diff --git a/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt b/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt
index cf4460564adb2..367c8203213b1 100644
--- a/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt
+++ b/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt
@@ -11,6 +11,8 @@ Required properties for pwm-tacho node:
- #size-cells : should be 1.
+- #cooling-cells: should be 2.
+
- reg : address and length of the register set for the device.
- pinctrl-names : a pinctrl state named "default" must be defined.
@@ -28,12 +30,17 @@ fan subnode format:
Under fan subnode there can upto 8 child nodes, with each child node
representing a fan. If there are 8 fans each fan can have one PWM port and
one/two Fan tach inputs.
+For PWM port can be configured cooling-levels to create cooling device.
+Cooling device could be bound to a thermal zone for the thermal control.
Required properties for each child node:
- reg : should specify PWM source port.
integer value in the range 0 to 7 with 0 indicating PWM port A and
7 indicating PWM port H.
+- cooling-levels: PWM duty cycle values in a range from 0 to 255
+ which correspond to thermal cooling states.
+
- aspeed,fan-tach-ch : should specify the Fan tach input channel.
integer value in the range 0 through 15, with 0 indicating
Fan tach channel 0 and 15 indicating Fan tach channel 15.
@@ -50,6 +57,7 @@ pwm_tacho_fixed_clk: fixedclk {
pwm_tacho: pwmtachocontroller@1e786000 {
#address-cells = <1>;
#size-cells = <1>;
+ #cooling-cells = <2>;
reg = <0x1E786000 0x1000>;
compatible = "aspeed,ast2500-pwm-tacho";
clocks = <&pwm_tacho_fixed_clk>;
@@ -58,6 +66,7 @@ pwm_tacho: pwmtachocontroller@1e786000 {
fan@0 {
reg = <0x00>;
+ cooling-levels = /bits/ 8 <125 151 177 203 229 255>;
aspeed,fan-tach-ch = /bits/ 8 <0x00>;
};
diff --git a/Documentation/devicetree/bindings/hwmon/ibm,cffps1.txt b/Documentation/devicetree/bindings/hwmon/ibm,cffps1.txt
new file mode 100644
index 0000000000000..f68a0a68fc524
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/ibm,cffps1.txt
@@ -0,0 +1,21 @@
+Device-tree bindings for IBM Common Form Factor Power Supply Version 1
+----------------------------------------------------------------------
+
+Required properties:
+ - compatible = "ibm,cffps1";
+ - reg = < I2C bus address >; : Address of the power supply on the
+ I2C bus.
+
+Example:
+
+ i2c-bus@100 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #interrupt-cells = <1>;
+ < more properties >
+
+ power-supply@68 {
+ compatible = "ibm,cffps1";
+ reg = <0x68>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/hwmon/ltq-cputemp.txt b/Documentation/devicetree/bindings/hwmon/ltq-cputemp.txt
new file mode 100644
index 0000000000000..33fd00a987c7d
--- /dev/null
+++ b/Documentation/devicetree/bindings/hwmon/ltq-cputemp.txt
@@ -0,0 +1,10 @@
+Lantiq cpu temperatur sensor
+
+Requires node properties:
+- compatible value :
+ "lantiq,cputemp"
+
+Example:
+ cputemp@0 {
+ compatible = "lantiq,cputemp";
+ };
diff --git a/Documentation/hwmon/ftsteutates b/Documentation/hwmon/ftsteutates
index 8c10a916de20d..af54db92391ba 100644
--- a/Documentation/hwmon/ftsteutates
+++ b/Documentation/hwmon/ftsteutates
@@ -18,6 +18,10 @@ enhancements. It can monitor up to 4 voltages, 16 temperatures and
8 fans. It also contains an integrated watchdog which is currently
implemented in this driver.
+To clear a temperature or fan alarm, execute the following command with the
+correct path to the alarm file:
+ echo 0 >XXXX_alarm
+
Specification of the chip can be found here:
ftp://ftp.ts.fujitsu.com/pub/Mainboard-OEM-Sales/Services/Software&Tools/Linux_SystemMonitoring&Watchdog&GPIO/BMC-Teutates_Specification_V1.21.pdf
ftp://ftp.ts.fujitsu.com/pub/Mainboard-OEM-Sales/Services/Software&Tools/Linux_SystemMonitoring&Watchdog&GPIO/Fujitsu_mainboards-1-Sensors_HowTo-en-US.pdf
diff --git a/Documentation/hwmon/ibm-cffps b/Documentation/hwmon/ibm-cffps
new file mode 100644
index 0000000000000..e05ecd8ecfcfa
--- /dev/null
+++ b/Documentation/hwmon/ibm-cffps
@@ -0,0 +1,54 @@
+Kernel driver ibm-cffps
+=======================
+
+Supported chips:
+ * IBM Common Form Factor power supply
+
+Author: Eddie James <eajames@us.ibm.com>
+
+Description
+-----------
+
+This driver supports IBM Common Form Factor (CFF) power supplies. This driver
+is a client to the core PMBus driver.
+
+Usage Notes
+-----------
+
+This driver does not auto-detect devices. You will have to instantiate the
+devices explicitly. Please see Documentation/i2c/instantiating-devices for
+details.
+
+Sysfs entries
+-------------
+
+The following attributes are supported:
+
+curr1_alarm Output current over-current alarm.
+curr1_input Measured output current in mA.
+curr1_label "iout1"
+
+fan1_alarm Fan 1 warning.
+fan1_fault Fan 1 fault.
+fan1_input Fan 1 speed in RPM.
+fan2_alarm Fan 2 warning.
+fan2_fault Fan 2 fault.
+fan2_input Fan 2 speed in RPM.
+
+in1_alarm Input voltage under-voltage alarm.
+in1_input Measured input voltage in mV.
+in1_label "vin"
+in2_alarm Output voltage over-voltage alarm.
+in2_input Measured output voltage in mV.
+in2_label "vout1"
+
+power1_alarm Input fault or alarm.
+power1_input Measured input power in uW.
+power1_label "pin"
+
+temp1_alarm PSU inlet ambient temperature over-temperature alarm.
+temp1_input Measured PSU inlet ambient temp in millidegrees C.
+temp2_alarm Secondary rectifier temp over-temperature alarm.
+temp2_input Measured secondary rectifier temp in millidegrees C.
+temp3_alarm ORing FET temperature over-temperature alarm.
+temp3_input Measured ORing FET temperature in millidegrees C.
diff --git a/Documentation/hwmon/lm25066 b/Documentation/hwmon/lm25066
index 2cb20ebb234d4..3fa6bf820c888 100644
--- a/Documentation/hwmon/lm25066
+++ b/Documentation/hwmon/lm25066
@@ -29,6 +29,11 @@ Supported chips:
Addresses scanned: -
Datasheet:
http://www.national.com/pf/LM/LM5066.html
+ * Texas Instruments LM5066I
+ Prefix: 'lm5066i'
+ Addresses scanned: -
+ Datasheet:
+ http://www.ti.com/product/LM5066I
Author: Guenter Roeck <linux@roeck-us.net>
@@ -37,8 +42,8 @@ Description
-----------
This driver supports hardware monitoring for National Semiconductor / TI LM25056,
-LM25063, LM25066, LM5064, and LM5066 Power Management, Monitoring, Control, and
-Protection ICs.
+LM25063, LM25066, LM5064, and LM5066/LM5066I Power Management, Monitoring,
+Control, and Protection ICs.
The driver is a client driver to the core PMBus driver. Please see
Documentation/hwmon/pmbus for details on PMBus client drivers.
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 5ef2814345ef7..d65431417b17c 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -343,6 +343,7 @@ config SENSORS_ASB100
config SENSORS_ASPEED
tristate "ASPEED AST2400/AST2500 PWM and Fan tach driver"
+ depends on THERMAL || THERMAL=n
select REGMAP
help
This driver provides support for ASPEED AST2400/AST2500 PWM
@@ -790,6 +791,13 @@ config SENSORS_LTC4261
This driver can also be built as a module. If so, the module will
be called ltc4261.
+config SENSORS_LTQ_CPUTEMP
+ bool "Lantiq cpu temperature sensor driver"
+ depends on LANTIQ
+ help
+ If you say yes here you get support for the temperature
+ sensor inside your CPU.
+
config SENSORS_MAX1111
tristate "Maxim MAX1111 Serial 8-bit ADC chip and compatibles"
depends on SPI_MASTER
diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile
index d4641a9f16c19..c84d9784be980 100644
--- a/drivers/hwmon/Makefile
+++ b/drivers/hwmon/Makefile
@@ -110,6 +110,7 @@ obj-$(CONFIG_SENSORS_LTC4222) += ltc4222.o
obj-$(CONFIG_SENSORS_LTC4245) += ltc4245.o
obj-$(CONFIG_SENSORS_LTC4260) += ltc4260.o
obj-$(CONFIG_SENSORS_LTC4261) += ltc4261.o
+obj-$(CONFIG_SENSORS_LTQ_CPUTEMP) += ltq-cputemp.o
obj-$(CONFIG_SENSORS_MAX1111) += max1111.o
obj-$(CONFIG_SENSORS_MAX16065) += max16065.o
obj-$(CONFIG_SENSORS_MAX1619) += max1619.o
diff --git a/drivers/hwmon/adc128d818.c b/drivers/hwmon/adc128d818.c
index a557b46dbe8ed..bd2ca315c9d8b 100644
--- a/drivers/hwmon/adc128d818.c
+++ b/drivers/hwmon/adc128d818.c
@@ -384,7 +384,7 @@ static struct attribute *adc128_attrs[] = {
NULL
};
-static struct attribute_group adc128_group = {
+static const struct attribute_group adc128_group = {
.attrs = adc128_attrs,
.is_visible = adc128_is_visible,
};
diff --git a/drivers/hwmon/ads1015.c b/drivers/hwmon/ads1015.c
index 357b426071640..98c704d3366af 100644
--- a/drivers/hwmon/ads1015.c
+++ b/drivers/hwmon/ads1015.c
@@ -191,24 +191,23 @@ static int ads1015_get_channels_config_of(struct i2c_client *client)
unsigned int data_rate = ADS1015_DEFAULT_DATA_RATE;
if (of_property_read_u32(node, "reg", &pval)) {
- dev_err(&client->dev, "invalid reg on %s\n",
- node->full_name);
+ dev_err(&client->dev, "invalid reg on %pOF\n", node);
continue;
}
channel = pval;
if (channel >= ADS1015_CHANNELS) {
dev_err(&client->dev,
- "invalid channel index %d on %s\n",
- channel, node->full_name);
+ "invalid channel index %d on %pOF\n",
+ channel, node);
continue;
}
if (!of_property_read_u32(node, "ti,gain", &pval)) {
pga = pval;
if (pga > 6) {
- dev_err(&client->dev, "invalid gain on %s\n",
- node->full_name);
+ dev_err(&client->dev, "invalid gain on %pOF\n",
+ node);
return -EINVAL;
}
}
@@ -217,8 +216,7 @@ static int ads1015_get_channels_config_of(struct i2c_client *client)
data_rate = pval;
if (data_rate > 7) {
dev_err(&client->dev,
- "invalid data_rate on %s\n",
- node->full_name);
+ "invalid data_rate on %pOF\n", node);
return -EINVAL;
}
}
diff --git a/drivers/hwmon/adt7475.c b/drivers/hwmon/adt7475.c
index 1baa213a60bd8..9ef84998c7f38 100644
--- a/drivers/hwmon/adt7475.c
+++ b/drivers/hwmon/adt7475.c
@@ -1319,14 +1319,14 @@ static struct attribute *vid_attrs[] = {
NULL
};
-static struct attribute_group adt7475_attr_group = { .attrs = adt7475_attrs };
-static struct attribute_group fan4_attr_group = { .attrs = fan4_attrs };
-static struct attribute_group pwm2_attr_group = { .attrs = pwm2_attrs };
-static struct attribute_group in0_attr_group = { .attrs = in0_attrs };
-static struct attribute_group in3_attr_group = { .attrs = in3_attrs };
-static struct attribute_group in4_attr_group = { .attrs = in4_attrs };
-static struct attribute_group in5_attr_group = { .attrs = in5_attrs };
-static struct attribute_group vid_attr_group = { .attrs = vid_attrs };
+static const struct attribute_group adt7475_attr_group = { .attrs = adt7475_attrs };
+static const struct attribute_group fan4_attr_group = { .attrs = fan4_attrs };
+static const struct attribute_group pwm2_attr_group = { .attrs = pwm2_attrs };
+static const struct attribute_group in0_attr_group = { .attrs = in0_attrs };
+static const struct attribute_group in3_attr_group = { .attrs = in3_attrs };
+static const struct attribute_group in4_attr_group = { .attrs = in4_attrs };
+static const struct attribute_group in5_attr_group = { .attrs = in5_attrs };
+static const struct attribute_group vid_attr_group = { .attrs = vid_attrs };
static int adt7475_detect(struct i2c_client *client,
struct i2c_board_info *info)
diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c
index c77644d45a026..4875e99b59c97 100644
--- a/drivers/hwmon/asc7621.c
+++ b/drivers/hwmon/asc7621.c
@@ -512,7 +512,7 @@ static ssize_t show_pwm_ac(struct device *dev,
{
SETUP_SHOW_DATA_PARAM(dev, attr);
u8 config, altbit, regval;
- const u8 map[] = {
+ static const u8 map[] = {
0x01, 0x02, 0x04, 0x1f, 0x00, 0x06, 0x07, 0x10,
0x08, 0x0f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f
};
@@ -533,7 +533,7 @@ static ssize_t store_pwm_ac(struct device *dev,
SETUP_STORE_DATA_PARAM(dev, attr);
unsigned long reqval;
u8 currval, config, altbit, newval;
- const u16 map[] = {
+ static const u16 map[] = {
0x04, 0x00, 0x01, 0xff, 0x02, 0xff, 0x05, 0x06,
0x08, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x0f,
0x07, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
diff --git a/drivers/hwmon/aspeed-pwm-tacho.c b/drivers/hwmon/aspeed-pwm-tacho.c
index ddfe66bdff866..69b97d45e3cbb 100644
--- a/drivers/hwmon/aspeed-pwm-tacho.c
+++ b/drivers/hwmon/aspeed-pwm-tacho.c
@@ -20,6 +20,7 @@
#include <linux/platform_device.h>
#include <linux/sysfs.h>
#include <linux/regmap.h>
+#include <linux/thermal.h>
/* ASPEED PWM & FAN Tach Register Definition */
#define ASPEED_PTCR_CTRL 0x00
@@ -166,6 +167,18 @@
/* How long we sleep in us while waiting for an RPM result. */
#define ASPEED_RPM_STATUS_SLEEP_USEC 500
+#define MAX_CDEV_NAME_LEN 16
+
+struct aspeed_cooling_device {
+ char name[16];
+ struct aspeed_pwm_tacho_data *priv;
+ struct thermal_cooling_device *tcdev;
+ int pwm_port;
+ u8 *cooling_levels;
+ u8 max_state;
+ u8 cur_state;
+};
+
struct aspeed_pwm_tacho_data {
struct regmap *regmap;
unsigned long clk_freq;
@@ -180,6 +193,7 @@ struct aspeed_pwm_tacho_data {
u8 pwm_port_type[8];
u8 pwm_port_fan_ctrl[8];
u8 fan_tach_ch_source[16];
+ struct aspeed_cooling_device *cdev[8];
const struct attribute_group *groups[3];
};
@@ -765,6 +779,94 @@ static void aspeed_create_fan_tach_channel(struct aspeed_pwm_tacho_data *priv,
}
}
+static int
+aspeed_pwm_cz_get_max_state(struct thermal_cooling_device *tcdev,
+ unsigned long *state)
+{
+ struct aspeed_cooling_device *cdev = tcdev->devdata;
+
+ *state = cdev->max_state;
+
+ return 0;
+}
+
+static int
+aspeed_pwm_cz_get_cur_state(struct thermal_cooling_device *tcdev,
+ unsigned long *state)
+{
+ struct aspeed_cooling_device *cdev = tcdev->devdata;
+
+ *state = cdev->cur_state;
+
+ return 0;
+}
+
+static int
+aspeed_pwm_cz_set_cur_state(struct thermal_cooling_device *tcdev,
+ unsigned long state)
+{
+ struct aspeed_cooling_device *cdev = tcdev->devdata;
+
+ if (state > cdev->max_state)
+ return -EINVAL;
+
+ cdev->cur_state = state;
+ cdev->priv->pwm_port_fan_ctrl[cdev->pwm_port] =
+ cdev->cooling_levels[cdev->cur_state];
+ aspeed_set_pwm_port_fan_ctrl(cdev->priv, cdev->pwm_port,
+ cdev->cooling_levels[cdev->cur_state]);
+
+ return 0;
+}
+
+static const struct thermal_cooling_device_ops aspeed_pwm_cool_ops = {
+ .get_max_state = aspeed_pwm_cz_get_max_state,
+ .get_cur_state = aspeed_pwm_cz_get_cur_state,
+ .set_cur_state = aspeed_pwm_cz_set_cur_state,
+};
+
+static int aspeed_create_pwm_cooling(struct device *dev,
+ struct device_node *child,
+ struct aspeed_pwm_tacho_data *priv,
+ u32 pwm_port, u8 num_levels)
+{
+ int ret;
+ struct aspeed_cooling_device *cdev;
+
+ cdev = devm_kzalloc(dev, sizeof(*cdev), GFP_KERNEL);
+
+ if (!cdev)
+ return -ENOMEM;
+
+ cdev->cooling_levels = devm_kzalloc(dev, num_levels, GFP_KERNEL);
+ if (!cdev->cooling_levels)
+ return -ENOMEM;
+
+ cdev->max_state = num_levels - 1;
+ ret = of_property_read_u8_array(child, "cooling-levels",
+ cdev->cooling_levels,
+ num_levels);
+ if (ret) {
+ dev_err(dev, "Property 'cooling-levels' cannot be read.\n");
+ return ret;
+ }
+ snprintf(cdev->name, MAX_CDEV_NAME_LEN, "%s%d", child->name, pwm_port);
+
+ cdev->tcdev = thermal_of_cooling_device_register(child,
+ cdev->name,
+ cdev,
+ &aspeed_pwm_cool_ops);
+ if (IS_ERR(cdev->tcdev))
+ return PTR_ERR(cdev->tcdev);
+
+ cdev->priv = priv;
+ cdev->pwm_port = pwm_port;
+
+ priv->cdev[pwm_port] = cdev;
+
+ return 0;
+}
+
static int aspeed_create_fan(struct device *dev,
struct device_node *child,
struct aspeed_pwm_tacho_data *priv)
@@ -778,6 +880,15 @@ static int aspeed_create_fan(struct device *dev,
return ret;
aspeed_create_pwm_port(priv, (u8)pwm_port);
+ ret = of_property_count_u8_elems(child, "cooling-levels");
+
+ if (ret > 0) {
+ ret = aspeed_create_pwm_cooling(dev, child, priv, pwm_port,
+ ret);
+ if (ret)
+ return ret;
+ }
+
count = of_property_count_u8_elems(child, "aspeed,fan-tach-ch");
if (count < 1)
return -EINVAL;
@@ -834,9 +945,10 @@ static int aspeed_pwm_tacho_probe(struct platform_device *pdev)
for_each_child_of_node(np, child) {
ret = aspeed_create_fan(dev, child, priv);
- of_node_put(child);
- if (ret)
+ if (ret) {
+ of_node_put(child);
return ret;
+ }
}
priv->groups[0] = &pwm_dev_group;
diff --git a/drivers/hwmon/da9052-hwmon.c b/drivers/hwmon/da9052-hwmon.c
index c9832bfacfe59..97a62f5b9ea46 100644
--- a/drivers/hwmon/da9052-hwmon.c
+++ b/drivers/hwmon/da9052-hwmon.c
@@ -20,13 +20,19 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/mfd/da9052/da9052.h>
#include <linux/mfd/da9052/reg.h>
+#include <linux/regulator/consumer.h>
struct da9052_hwmon {
- struct da9052 *da9052;
- struct mutex hwmon_lock;
+ struct da9052 *da9052;
+ struct mutex hwmon_lock;
+ bool tsi_as_adc;
+ int tsiref_mv;
+ struct regulator *tsiref;
+ struct completion tsidone;
};
static const char * const input_names[] = {
@@ -37,6 +43,10 @@ static const char * const input_names[] = {
[DA9052_ADC_IN4] = "ADC IN4",
[DA9052_ADC_IN5] = "ADC IN5",
[DA9052_ADC_IN6] = "ADC IN6",
+ [DA9052_ADC_TSI_XP] = "ADC TS X+",
+ [DA9052_ADC_TSI_YP] = "ADC TS Y+",
+ [DA9052_ADC_TSI_XN] = "ADC TS X-",
+ [DA9052_ADC_TSI_YN] = "ADC TS Y-",
[DA9052_ADC_TJUNC] = "BATTERY JUNCTION TEMP",
[DA9052_ADC_VBBAT] = "BACK-UP BATTERY VOLTAGE",
};
@@ -59,6 +69,11 @@ static inline int vbbat_reg_to_mv(int value)
return DIV_ROUND_CLOSEST(value * 5000, 1023);
}
+static inline int input_tsireg_to_mv(struct da9052_hwmon *hwmon, int value)
+{
+ return DIV_ROUND_CLOSEST(value * hwmon->tsiref_mv, 1023);
+}
+
static inline int da9052_enable_vddout_channel(struct da9052 *da9052)
{
return da9052_reg_update(da9052, DA9052_ADC_CONT_REG,
@@ -154,6 +169,97 @@ static ssize_t da9052_read_misc_channel(struct device *dev,
return sprintf(buf, "%d\n", input_reg_to_mv(ret));
}
+static int da9052_request_tsi_read(struct da9052_hwmon *hwmon, int channel)
+{
+ u8 val = DA9052_TSICONTB_TSIMAN;
+
+ switch (channel) {
+ case DA9052_ADC_TSI_XP:
+ val |= DA9052_TSICONTB_TSIMUX_XP;
+ break;
+ case DA9052_ADC_TSI_YP:
+ val |= DA9052_TSICONTB_TSIMUX_YP;
+ break;
+ case DA9052_ADC_TSI_XN:
+ val |= DA9052_TSICONTB_TSIMUX_XN;
+ break;
+ case DA9052_ADC_TSI_YN:
+ val |= DA9052_TSICONTB_TSIMUX_YN;
+ break;
+ }
+
+ return da9052_reg_write(hwmon->da9052, DA9052_TSI_CONT_B_REG, val);
+}
+
+static int da9052_get_tsi_result(struct da9052_hwmon *hwmon, int channel)
+{
+ u8 regs[3];
+ int msb, lsb, err;
+
+ /* block read to avoid separation of MSB and LSB */
+ err = da9052_group_read(hwmon->da9052, DA9052_TSI_X_MSB_REG,
+ ARRAY_SIZE(regs), regs);
+ if (err)
+ return err;
+
+ switch (channel) {
+ case DA9052_ADC_TSI_XP:
+ case DA9052_ADC_TSI_XN:
+ msb = regs[0] << DA9052_TSILSB_TSIXL_BITS;
+ lsb = regs[2] & DA9052_TSILSB_TSIXL;
+ lsb >>= DA9052_TSILSB_TSIXL_SHIFT;
+ break;
+ case DA9052_ADC_TSI_YP:
+ case DA9052_ADC_TSI_YN:
+ msb = regs[1] << DA9052_TSILSB_TSIYL_BITS;
+ lsb = regs[2] & DA9052_TSILSB_TSIYL;
+ lsb >>= DA9052_TSILSB_TSIYL_SHIFT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return msb | lsb;
+}
+
+
+static ssize_t __da9052_read_tsi(struct device *dev, int channel)
+{
+ struct da9052_hwmon *hwmon = dev_get_drvdata(dev);
+ int ret;
+
+ reinit_completion(&hwmon->tsidone);
+
+ ret = da9052_request_tsi_read(hwmon, channel);
+ if (ret < 0)
+ return ret;
+
+ /* Wait for an conversion done interrupt */
+ if (!wait_for_completion_timeout(&hwmon->tsidone,
+ msecs_to_jiffies(500)))
+ return -ETIMEDOUT;
+
+ return da9052_get_tsi_result(hwmon, channel);
+}
+
+static ssize_t da9052_read_tsi(struct device *dev,
+ struct device_attribute *devattr,
+ char *buf)
+{
+ struct da9052_hwmon *hwmon = dev_get_drvdata(dev);
+ int channel = to_sensor_dev_attr(devattr)->index;
+ int ret;
+
+ mutex_lock(&hwmon->hwmon_lock);
+ ret = __da9052_read_tsi(dev, channel);
+ mutex_unlock(&hwmon->hwmon_lock);
+
+ if (ret < 0)
+ return ret;
+ else
+ return sprintf(buf, "%d\n", input_tsireg_to_mv(hwmon, ret));
+}
+
static ssize_t da9052_read_tjunc(struct device *dev,
struct device_attribute *devattr, char *buf)
{
@@ -196,43 +302,82 @@ static ssize_t show_label(struct device *dev,
input_names[to_sensor_dev_attr(devattr)->index]);
}
-static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, da9052_read_vddout, NULL,
+static umode_t da9052_channel_is_visible(struct kobject *kobj,
+ struct attribute *attr, int index)
+{
+ struct device *dev = container_of(kobj, struct device, kobj);
+ struct da9052_hwmon *hwmon = dev_get_drvdata(dev);
+ struct device_attribute *dattr = container_of(attr,
+ struct device_attribute, attr);
+ struct sensor_device_attribute *sattr = to_sensor_dev_attr(dattr);
+
+ if (!hwmon->tsi_as_adc) {
+ switch (sattr->index) {
+ case DA9052_ADC_TSI_XP:
+ case DA9052_ADC_TSI_YP:
+ case DA9052_ADC_TSI_XN:
+ case DA9052_ADC_TSI_YN:
+ return 0;
+ }
+ }
+
+ return attr->mode;
+}
+
+static SENSOR_DEVICE_ATTR(in0_input, 0444, da9052_read_vddout, NULL,
DA9052_ADC_VDDOUT);
-static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, show_label, NULL,
+static SENSOR_DEVICE_ATTR(in0_label, 0444, show_label, NULL,
DA9052_ADC_VDDOUT);
-static SENSOR_DEVICE_ATTR(in3_input, S_IRUGO, da9052_read_vbat, NULL,
+static SENSOR_DEVICE_ATTR(in3_input, 0444, da9052_read_vbat, NULL,
DA9052_ADC_VBAT);
-static SENSOR_DEVICE_ATTR(in3_label, S_IRUGO, show_label, NULL,
+static SENSOR_DEVICE_ATTR(in3_label, 0444, show_label, NULL,
DA9052_ADC_VBAT);
-static SENSOR_DEVICE_ATTR(in4_input, S_IRUGO, da9052_read_misc_channel, NULL,
+static SENSOR_DEVICE_ATTR(in4_input, 0444, da9052_read_misc_channel, NULL,
DA9052_ADC_IN4);
-static SENSOR_DEVICE_ATTR(in4_label, S_IRUGO, show_label, NULL,
+static SENSOR_DEVICE_ATTR(in4_label, 0444, show_label, NULL,
DA9052_ADC_IN4);
-static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, da9052_read_misc_channel, NULL,
+static SENSOR_DEVICE_ATTR(in5_input, 0444, da9052_read_misc_channel, NULL,
DA9052_ADC_IN5);
-static SENSOR_DEVICE_ATTR(in5_label, S_IRUGO, show_label, NULL,
+static SENSOR_DEVICE_ATTR(in5_label, 0444, show_label, NULL,
DA9052_ADC_IN5);
-static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, da9052_read_misc_channel, NULL,
+static SENSOR_DEVICE_ATTR(in6_input, 0444, da9052_read_misc_channel, NULL,
DA9052_ADC_IN6);
-static SENSOR_DEVICE_ATTR(in6_label, S_IRUGO, show_label, NULL,
+static SENSOR_DEVICE_ATTR(in6_label, 0444, show_label, NULL,
DA9052_ADC_IN6);
-static SENSOR_DEVICE_ATTR(in9_input, S_IRUGO, da9052_read_vbbat, NULL,
+static SENSOR_DEVICE_ATTR(in9_input, 0444, da9052_read_vbbat, NULL,
DA9052_ADC_VBBAT);
-static SENSOR_DEVICE_ATTR(in9_label, S_IRUGO, show_label, NULL,
+static SENSOR_DEVICE_ATTR(in9_label, 0444, show_label, NULL,
DA9052_ADC_VBBAT);
-static SENSOR_DEVICE_ATTR(curr1_input, S_IRUGO, da9052_read_ich, NULL,
+static SENSOR_DEVICE_ATTR(in70_input, 0444, da9052_read_tsi, NULL,
+ DA9052_ADC_TSI_XP);
+static SENSOR_DEVICE_ATTR(in70_label, 0444, show_label, NULL,
+ DA9052_ADC_TSI_XP);
+static SENSOR_DEVICE_ATTR(in71_input, 0444, da9052_read_tsi, NULL,
+ DA9052_ADC_TSI_XN);
+static SENSOR_DEVICE_ATTR(in71_label, 0444, show_label, NULL,
+ DA9052_ADC_TSI_XN);
+static SENSOR_DEVICE_ATTR(in72_input, 0444, da9052_read_tsi, NULL,
+ DA9052_ADC_TSI_YP);
+static SENSOR_DEVICE_ATTR(in72_label, 0444, show_label, NULL,
+ DA9052_ADC_TSI_YP);
+static SENSOR_DEVICE_ATTR(in73_input, 0444, da9052_read_tsi, NULL,
+ DA9052_ADC_TSI_YN);
+static SENSOR_DEVICE_ATTR(in73_label, 0444, show_label, NULL,
+ DA9052_ADC_TSI_YN);
+
+static SENSOR_DEVICE_ATTR(curr1_input, 0444, da9052_read_ich, NULL,
DA9052_ADC_ICH);
-static SENSOR_DEVICE_ATTR(curr1_label, S_IRUGO, show_label, NULL,
+static SENSOR_DEVICE_ATTR(curr1_label, 0444, show_label, NULL,
DA9052_ADC_ICH);
-static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, da9052_read_tbat, NULL,
+static SENSOR_DEVICE_ATTR(temp2_input, 0444, da9052_read_tbat, NULL,
DA9052_ADC_TBAT);
-static SENSOR_DEVICE_ATTR(temp2_label, S_IRUGO, show_label, NULL,
+static SENSOR_DEVICE_ATTR(temp2_label, 0444, show_label, NULL,
DA9052_ADC_TBAT);
-static SENSOR_DEVICE_ATTR(temp8_input, S_IRUGO, da9052_read_tjunc, NULL,
+static SENSOR_DEVICE_ATTR(temp8_input, 0444, da9052_read_tjunc, NULL,
DA9052_ADC_TJUNC);
-static SENSOR_DEVICE_ATTR(temp8_label, S_IRUGO, show_label, NULL,
+static SENSOR_DEVICE_ATTR(temp8_label, 0444, show_label, NULL,
DA9052_ADC_TJUNC);
static struct attribute *da9052_attrs[] = {
@@ -246,6 +391,14 @@ static struct attribute *da9052_attrs[] = {
&sensor_dev_attr_in5_label.dev_attr.attr,
&sensor_dev_attr_in6_input.dev_attr.attr,
&sensor_dev_attr_in6_label.dev_attr.attr,
+ &sensor_dev_attr_in70_input.dev_attr.attr,
+ &sensor_dev_attr_in70_label.dev_attr.attr,
+ &sensor_dev_attr_in71_input.dev_attr.attr,
+ &sensor_dev_attr_in71_label.dev_attr.attr,
+ &sensor_dev_attr_in72_input.dev_attr.attr,
+ &sensor_dev_attr_in72_label.dev_attr.attr,
+ &sensor_dev_attr_in73_input.dev_attr.attr,
+ &sensor_dev_attr_in73_label.dev_attr.attr,
&sensor_dev_attr_in9_input.dev_attr.attr,
&sensor_dev_attr_in9_label.dev_attr.attr,
&sensor_dev_attr_curr1_input.dev_attr.attr,
@@ -257,29 +410,117 @@ static struct attribute *da9052_attrs[] = {
NULL
};
-ATTRIBUTE_GROUPS(da9052);
+static const struct attribute_group da9052_group = {
+ .attrs = da9052_attrs,
+ .is_visible = da9052_channel_is_visible,
+};
+__ATTRIBUTE_GROUPS(da9052);
+
+static irqreturn_t da9052_tsi_datardy_irq(int irq, void *data)
+{
+ struct da9052_hwmon *hwmon = data;
+
+ complete(&hwmon->tsidone);
+ return IRQ_HANDLED;
+}
static int da9052_hwmon_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct da9052_hwmon *hwmon;
struct device *hwmon_dev;
+ int err;
hwmon = devm_kzalloc(dev, sizeof(struct da9052_hwmon), GFP_KERNEL);
if (!hwmon)
return -ENOMEM;
+ platform_set_drvdata(pdev, hwmon);
+
mutex_init(&hwmon->hwmon_lock);
hwmon->da9052 = dev_get_drvdata(pdev->dev.parent);
+ init_completion(&hwmon->tsidone);
+
+ hwmon->tsi_as_adc =
+ device_property_read_bool(pdev->dev.parent, "dlg,tsi-as-adc");
+
+ if (hwmon->tsi_as_adc) {
+ hwmon->tsiref = devm_regulator_get(pdev->dev.parent, "tsiref");
+ if (IS_ERR(hwmon->tsiref)) {
+ err = PTR_ERR(hwmon->tsiref);
+ dev_err(&pdev->dev, "failed to get tsiref: %d", err);
+ return err;
+ }
+
+ err = regulator_enable(hwmon->tsiref);
+ if (err)
+ return err;
+
+ hwmon->tsiref_mv = regulator_get_voltage(hwmon->tsiref);
+ if (hwmon->tsiref_mv < 0) {
+ err = hwmon->tsiref_mv;
+ goto exit_regulator;
+ }
+
+ /* convert from microvolt (DT) to millivolt (hwmon) */
+ hwmon->tsiref_mv /= 1000;
+
+ /* TSIREF limits from datasheet */
+ if (hwmon->tsiref_mv < 1800 || hwmon->tsiref_mv > 2600) {
+ dev_err(hwmon->da9052->dev, "invalid TSIREF voltage: %d",
+ hwmon->tsiref_mv);
+ err = -ENXIO;
+ goto exit_regulator;
+ }
+
+ /* disable touchscreen features */
+ da9052_reg_write(hwmon->da9052, DA9052_TSI_CONT_A_REG, 0x00);
+
+ err = da9052_request_irq(hwmon->da9052, DA9052_IRQ_TSIREADY,
+ "tsiready-irq", da9052_tsi_datardy_irq,
+ hwmon);
+ if (err) {
+ dev_err(&pdev->dev, "Failed to register TSIRDY IRQ: %d",
+ err);
+ goto exit_regulator;
+ }
+ }
+
hwmon_dev = devm_hwmon_device_register_with_groups(dev, "da9052",
hwmon,
da9052_groups);
- return PTR_ERR_OR_ZERO(hwmon_dev);
+ err = PTR_ERR_OR_ZERO(hwmon_dev);
+ if (err)
+ goto exit_irq;
+
+ return 0;
+
+exit_irq:
+ if (hwmon->tsi_as_adc)
+ da9052_free_irq(hwmon->da9052, DA9052_IRQ_TSIREADY, hwmon);
+exit_regulator:
+ if (hwmon->tsiref)
+ regulator_disable(hwmon->tsiref);
+
+ return err;
+}
+
+static int da9052_hwmon_remove(struct platform_device *pdev)
+{
+ struct da9052_hwmon *hwmon = platform_get_drvdata(pdev);
+
+ if (hwmon->tsi_as_adc) {
+ da9052_free_irq(hwmon->da9052, DA9052_IRQ_TSIREADY, hwmon);
+ regulator_disable(hwmon->tsiref);
+ }
+
+ return 0;
}
static struct platform_driver da9052_hwmon_driver = {
.probe = da9052_hwmon_probe,
+ .remove = da9052_hwmon_remove,
.driver = {
.name = "da9052-hwmon",
},
diff --git a/drivers/hwmon/ftsteutates.c b/drivers/hwmon/ftsteutates.c
index 0f0277e7aae51..0801f48a41f7e 100644
--- a/drivers/hwmon/ftsteutates.c
+++ b/drivers/hwmon/ftsteutates.c
@@ -60,7 +60,7 @@
static const unsigned short normal_i2c[] = { 0x73, I2C_CLIENT_END };
-static struct i2c_device_id fts_id[] = {
+static const struct i2c_device_id fts_id[] = {
{ "ftsteutates", 0 },
{ }
};
@@ -435,6 +435,7 @@ clear_temp_alarm(struct device *dev, struct device_attribute *devattr,
goto error;
data->valid = false;
+ ret = count;
error:
mutex_unlock(&data->update_lock);
return ret;
@@ -508,6 +509,7 @@ clear_fan_alarm(struct device *dev, struct device_attribute *devattr,
goto error;
data->valid = false;
+ ret = count;
error:
mutex_unlock(&data->update_lock);
return ret;
diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
index dd6e17c1076be..c9790e2c34401 100644
--- a/drivers/hwmon/hwmon.c
+++ b/drivers/hwmon/hwmon.c
@@ -85,7 +85,7 @@ static umode_t hwmon_dev_name_is_visible(struct kobject *kobj,
return attr->mode;
}
-static struct attribute_group hwmon_dev_attr_group = {
+static const struct attribute_group hwmon_dev_attr_group = {
.attrs = hwmon_dev_attrs,
.is_visible = hwmon_dev_name_is_visible,
};
@@ -135,7 +135,7 @@ static int hwmon_thermal_get_temp(void *data, int *temp)
return 0;
}
-static struct thermal_zone_of_device_ops hwmon_thermal_ops = {
+static const struct thermal_zone_of_device_ops hwmon_thermal_ops = {
.get_temp = hwmon_thermal_get_temp,
};
diff --git a/drivers/hwmon/i5k_amb.c b/drivers/hwmon/i5k_amb.c
index a5a9f457b7f7a..9397d2f0e79ac 100644
--- a/drivers/hwmon/i5k_amb.c
+++ b/drivers/hwmon/i5k_amb.c
@@ -495,7 +495,7 @@ static struct {
};
#ifdef MODULE
-static struct pci_device_id i5k_amb_ids[] = {
+static const struct pci_device_id i5k_amb_ids[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_5000_ERR) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_5400_ERR) },
{ 0, }
diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
index 4dfc7238313eb..f8499cb95fec8 100644
--- a/drivers/hwmon/it87.c
+++ b/drivers/hwmon/it87.c
@@ -497,12 +497,14 @@ static const struct it87_devices it87_devices[] = {
#define has_vin3_5v(data) ((data)->features & FEAT_VIN3_5V)
struct it87_sio_data {
+ int sioaddr;
enum chips type;
/* Values read from Super-I/O config space */
u8 revision;
u8 vid_value;
u8 beep_pin;
u8 internal; /* Internal sensors can be labeled */
+ bool need_in7_reroute;
/* Features skipped based on config or DMI */
u16 skip_in;
u8 skip_vid;
@@ -517,6 +519,7 @@ struct it87_sio_data {
*/
struct it87_data {
const struct attribute_group *groups[7];
+ int sioaddr;
enum chips type;
u32 features;
u8 peci_mask;
@@ -532,6 +535,7 @@ struct it87_data {
u16 in_internal; /* Bitfield, internal sensors (for labels) */
u16 has_in; /* Bitfield, voltage sensors enabled */
u8 in[NUM_VIN][3]; /* [nr][0]=in, [1]=min, [2]=max */
+ bool need_in7_reroute;
u8 has_fan; /* Bitfield, fans enabled */
u16 fan[NUM_FAN][2]; /* Register values, [nr][0]=fan, [1]=min */
u8 has_temp; /* Bitfield, temp sensors enabled */
@@ -2487,6 +2491,7 @@ static int __init it87_find(int sioaddr, unsigned short *address,
}
err = 0;
+ sio_data->sioaddr = sioaddr;
sio_data->revision = superio_inb(sioaddr, DEVREV) & 0x0f;
pr_info("Found IT%04x%s chip at 0x%x, revision %d\n", chip_type,
it87_devices[sio_data->type].suffix,
@@ -2575,6 +2580,7 @@ static int __init it87_find(int sioaddr, unsigned short *address,
reg2c |= BIT(1);
superio_outb(sioaddr, IT87_SIO_PINX2_REG,
reg2c);
+ sio_data->need_in7_reroute = true;
pr_notice("Routing internal VCCH5V to in7.\n");
}
pr_notice("in7 routed to internal voltage divider, with external pin disabled.\n");
@@ -2761,13 +2767,13 @@ static int __init it87_find(int sioaddr, unsigned short *address,
uart6 = sio_data->type == it8782 && (reg & BIT(2));
/*
- * The IT8720F has no VIN7 pin, so VCCH should always be
+ * The IT8720F has no VIN7 pin, so VCCH5V should always be
* routed internally to VIN7 with an internal divider.
* Curiously, there still is a configuration bit to control
* this, which means it can be set incorrectly. And even
* more curiously, many boards out there are improperly
* configured, even though the IT8720F datasheet claims
- * that the internal routing of VCCH to VIN7 is the default
+ * that the internal routing of VCCH5V to VIN7 is the default
* setting. So we force the internal routing in this case.
*
* On IT8782F, VIN7 is multiplexed with one of the UART6 pins.
@@ -2777,7 +2783,8 @@ static int __init it87_find(int sioaddr, unsigned short *address,
if ((sio_data->type == it8720 || uart6) && !(reg & BIT(1))) {
reg |= BIT(1);
superio_outb(sioaddr, IT87_SIO_PINX2_REG, reg);
- pr_notice("Routing internal VCCH to in7\n");
+ sio_data->need_in7_reroute = true;
+ pr_notice("Routing internal VCCH5V to in7\n");
}
if (reg & BIT(0))
sio_data->internal |= BIT(0);
@@ -2828,13 +2835,89 @@ static int __init it87_find(int sioaddr, unsigned short *address,
return err;
}
+/*
+ * Some chips seem to have default value 0xff for all limit
+ * registers. For low voltage limits it makes no sense and triggers
+ * alarms, so change to 0 instead. For high temperature limits, it
+ * means -1 degree C, which surprisingly doesn't trigger an alarm,
+ * but is still confusing, so change to 127 degrees C.
+ */
+static void it87_check_limit_regs(struct it87_data *data)
+{
+ int i, reg;
+
+ for (i = 0; i < NUM_VIN_LIMIT; i++) {
+ reg = it87_read_value(data, IT87_REG_VIN_MIN(i));
+ if (reg == 0xff)
+ it87_write_value(data, IT87_REG_VIN_MIN(i), 0);
+ }
+ for (i = 0; i < NUM_TEMP_LIMIT; i++) {
+ reg = it87_read_value(data, IT87_REG_TEMP_HIGH(i));
+ if (reg == 0xff)
+ it87_write_value(data, IT87_REG_TEMP_HIGH(i), 127);
+ }
+}
+
+/* Check if voltage monitors are reset manually or by some reason */
+static void it87_check_voltage_monitors_reset(struct it87_data *data)
+{
+ int reg;
+
+ reg = it87_read_value(data, IT87_REG_VIN_ENABLE);
+ if ((reg & 0xff) == 0) {
+ /* Enable all voltage monitors */
+ it87_write_value(data, IT87_REG_VIN_ENABLE, 0xff);
+ }
+}
+
+/* Check if tachometers are reset manually or by some reason */
+static void it87_check_tachometers_reset(struct platform_device *pdev)
+{
+ struct it87_sio_data *sio_data = dev_get_platdata(&pdev->dev);
+ struct it87_data *data = platform_get_drvdata(pdev);
+ u8 mask, fan_main_ctrl;
+
+ mask = 0x70 & ~(sio_data->skip_fan << 4);
+ fan_main_ctrl = it87_read_value(data, IT87_REG_FAN_MAIN_CTRL);
+ if ((fan_main_ctrl & mask) == 0) {
+ /* Enable all fan tachometers */
+ fan_main_ctrl |= mask;
+ it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
+ fan_main_ctrl);
+ }
+}
+
+/* Set tachometers to 16-bit mode if needed */
+static void it87_check_tachometers_16bit_mode(struct platform_device *pdev)
+{
+ struct it87_data *data = platform_get_drvdata(pdev);
+ int reg;
+
+ if (!has_fan16_config(data))
+ return;
+
+ reg = it87_read_value(data, IT87_REG_FAN_16BIT);
+ if (~reg & 0x07 & data->has_fan) {
+ dev_dbg(&pdev->dev,
+ "Setting fan1-3 to 16-bit mode\n");
+ it87_write_value(data, IT87_REG_FAN_16BIT,
+ reg | 0x07);
+ }
+}
+
+static void it87_start_monitoring(struct it87_data *data)
+{
+ it87_write_value(data, IT87_REG_CONFIG,
+ (it87_read_value(data, IT87_REG_CONFIG) & 0x3e)
+ | (update_vbat ? 0x41 : 0x01));
+}
+
/* Called when we have found a new IT87. */
static void it87_init_device(struct platform_device *pdev)
{
struct it87_sio_data *sio_data = dev_get_platdata(&pdev->dev);
struct it87_data *data = platform_get_drvdata(pdev);
int tmp, i;
- u8 mask;
/*
* For each PWM channel:
@@ -2855,23 +2938,7 @@ static void it87_init_device(struct platform_device *pdev)
data->auto_pwm[i][3] = 0x7f; /* Full speed, hard-coded */
}
- /*
- * Some chips seem to have default value 0xff for all limit
- * registers. For low voltage limits it makes no sense and triggers
- * alarms, so change to 0 instead. For high temperature limits, it
- * means -1 degree C, which surprisingly doesn't trigger an alarm,
- * but is still confusing, so change to 127 degrees C.
- */
- for (i = 0; i < NUM_VIN_LIMIT; i++) {
- tmp = it87_read_value(data, IT87_REG_VIN_MIN(i));
- if (tmp == 0xff)
- it87_write_value(data, IT87_REG_VIN_MIN(i), 0);
- }
- for (i = 0; i < NUM_TEMP_LIMIT; i++) {
- tmp = it87_read_value(data, IT87_REG_TEMP_HIGH(i));
- if (tmp == 0xff)
- it87_write_value(data, IT87_REG_TEMP_HIGH(i), 127);
- }
+ it87_check_limit_regs(data);
/*
* Temperature channels are not forcibly enabled, as they can be
@@ -2880,38 +2947,19 @@ static void it87_init_device(struct platform_device *pdev)
* run-time through the temp{1-3}_type sysfs accessors if needed.
*/
- /* Check if voltage monitors are reset manually or by some reason */
- tmp = it87_read_value(data, IT87_REG_VIN_ENABLE);
- if ((tmp & 0xff) == 0) {
- /* Enable all voltage monitors */
- it87_write_value(data, IT87_REG_VIN_ENABLE, 0xff);
- }
+ it87_check_voltage_monitors_reset(data);
+
+ it87_check_tachometers_reset(pdev);
- /* Check if tachometers are reset manually or by some reason */
- mask = 0x70 & ~(sio_data->skip_fan << 4);
data->fan_main_ctrl = it87_read_value(data, IT87_REG_FAN_MAIN_CTRL);
- if ((data->fan_main_ctrl & mask) == 0) {
- /* Enable all fan tachometers */
- data->fan_main_ctrl |= mask;
- it87_write_value(data, IT87_REG_FAN_MAIN_CTRL,
- data->fan_main_ctrl);
- }
data->has_fan = (data->fan_main_ctrl >> 4) & 0x07;
- tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
-
- /* Set tachometers to 16-bit mode if needed */
- if (has_fan16_config(data)) {
- if (~tmp & 0x07 & data->has_fan) {
- dev_dbg(&pdev->dev,
- "Setting fan1-3 to 16-bit mode\n");
- it87_write_value(data, IT87_REG_FAN_16BIT,
- tmp | 0x07);
- }
- }
+ it87_check_tachometers_16bit_mode(pdev);
/* Check for additional fans */
if (has_five_fans(data)) {
+ tmp = it87_read_value(data, IT87_REG_FAN_16BIT);
+
if (tmp & BIT(4))
data->has_fan |= BIT(3); /* fan4 enabled */
if (tmp & BIT(5))
@@ -2933,10 +2981,7 @@ static void it87_init_device(struct platform_device *pdev)
sio_data->skip_pwm |= BIT(5);
}
- /* Start monitoring */
- it87_write_value(data, IT87_REG_CONFIG,
- (it87_read_value(data, IT87_REG_CONFIG) & 0x3e)
- | (update_vbat ? 0x41 : 0x01));
+ it87_start_monitoring(data);
}
/* Return 1 if and only if the PWM interface is safe to use */
@@ -2986,8 +3031,6 @@ static int it87_check_pwm(struct device *dev)
"PWM configuration is too broken to be fixed\n");
}
- dev_info(dev,
- "Detected broken BIOS defaults, disabling PWM interface\n");
return 0;
} else if (fix_pwm_polarity) {
dev_info(dev,
@@ -3020,6 +3063,7 @@ static int it87_probe(struct platform_device *pdev)
return -ENOMEM;
data->addr = res->start;
+ data->sioaddr = sio_data->sioaddr;
data->type = sio_data->type;
data->features = it87_devices[sio_data->type].features;
data->peci_mask = it87_devices[sio_data->type].peci_mask;
@@ -3058,6 +3102,9 @@ static int it87_probe(struct platform_device *pdev)
/* Check PWM configuration */
enable_pwm_interface = it87_check_pwm(dev);
+ if (!enable_pwm_interface)
+ dev_info(dev,
+ "Detected broken BIOS defaults, disabling PWM interface\n");
/* Starting with IT8721F, we handle scaling of internal voltages */
if (has_12mv_adc(data)) {
@@ -3085,6 +3132,7 @@ static int it87_probe(struct platform_device *pdev)
}
data->in_internal = sio_data->internal;
+ data->need_in7_reroute = sio_data->need_in7_reroute;
data->has_in = 0x3ff & ~sio_data->skip_in;
if (has_six_temp(data)) {
@@ -3140,9 +3188,71 @@ static int it87_probe(struct platform_device *pdev)
return PTR_ERR_OR_ZERO(hwmon_dev);
}
+static void __maybe_unused it87_resume_sio(struct platform_device *pdev)
+{
+ struct it87_data *data = dev_get_drvdata(&pdev->dev);
+ int err;
+ int reg2c;
+
+ if (!data->need_in7_reroute)
+ return;
+
+ err = superio_enter(data->sioaddr);
+ if (err) {
+ dev_warn(&pdev->dev,
+ "Unable to enter Super I/O to reroute in7 (%d)",
+ err);
+ return;
+ }
+
+ superio_select(data->sioaddr, GPIO);
+
+ reg2c = superio_inb(data->sioaddr, IT87_SIO_PINX2_REG);
+ if (!(reg2c & BIT(1))) {
+ dev_dbg(&pdev->dev,
+ "Routing internal VCCH5V to in7 again");
+
+ reg2c |= BIT(1);
+ superio_outb(data->sioaddr, IT87_SIO_PINX2_REG,
+ reg2c);
+ }
+
+ superio_exit(data->sioaddr);
+}
+
+static int __maybe_unused it87_resume(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct it87_data *data = dev_get_drvdata(dev);
+
+ it87_resume_sio(pdev);
+
+ mutex_lock(&data->update_lock);
+
+ it87_check_pwm(dev);
+ it87_check_limit_regs(data);
+ it87_check_voltage_monitors_reset(data);
+ it87_check_tachometers_reset(pdev);
+ it87_check_tachometers_16bit_mode(pdev);
+
+ it87_start_monitoring(data);
+
+ /* force update */
+ data->valid = 0;
+
+ mutex_unlock(&data->update_lock);
+
+ it87_update_device(dev);
+
+ return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(it87_dev_pm_ops, NULL, it87_resume);
+
static struct platform_driver it87_driver = {
.driver = {
.name = DRVNAME,
+ .pm = &it87_dev_pm_ops,
},
.probe = it87_probe,
};
diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
index 1bf22eff0b086..5f11dc014ed61 100644
--- a/drivers/hwmon/jc42.c
+++ b/drivers/hwmon/jc42.c
@@ -72,6 +72,8 @@ static const unsigned short normal_i2c[] = {
#define NXP_MANID 0x1131 /* NXP Semiconductors */
#define ONS_MANID 0x1b09 /* ON Semiconductor */
#define STM_MANID 0x104a /* ST Microelectronics */
+#define GT_MANID 0x1c68 /* Giantec */
+#define GT_MANID2 0x132d /* Giantec, 2nd mfg ID */
/* Supported chips */
@@ -86,6 +88,13 @@ static const unsigned short normal_i2c[] = {
#define AT30TSE004_DEVID 0x2200
#define AT30TSE004_DEVID_MASK 0xffff
+/* Giantec */
+#define GT30TS00_DEVID 0x2200
+#define GT30TS00_DEVID_MASK 0xff00
+
+#define GT34TS02_DEVID 0x3300
+#define GT34TS02_DEVID_MASK 0xff00
+
/* IDT */
#define TSE2004_DEVID 0x2200
#define TSE2004_DEVID_MASK 0xff00
@@ -130,6 +139,12 @@ static const unsigned short normal_i2c[] = {
#define CAT6095_DEVID 0x0800 /* Also matches CAT34TS02 */
#define CAT6095_DEVID_MASK 0xffe0
+#define CAT34TS02C_DEVID 0x0a00
+#define CAT34TS02C_DEVID_MASK 0xfff0
+
+#define CAT34TS04_DEVID 0x2200
+#define CAT34TS04_DEVID_MASK 0xfff0
+
/* ST Microelectronics */
#define STTS424_DEVID 0x0101
#define STTS424_DEVID_MASK 0xffff
@@ -158,6 +173,8 @@ static struct jc42_chips jc42_chips[] = {
{ ADT_MANID, ADT7408_DEVID, ADT7408_DEVID_MASK },
{ ATMEL_MANID, AT30TS00_DEVID, AT30TS00_DEVID_MASK },
{ ATMEL_MANID2, AT30TSE004_DEVID, AT30TSE004_DEVID_MASK },
+ { GT_MANID, GT30TS00_DEVID, GT30TS00_DEVID_MASK },
+ { GT_MANID2, GT34TS02_DEVID, GT34TS02_DEVID_MASK },
{ IDT_MANID, TSE2004_DEVID, TSE2004_DEVID_MASK },
{ IDT_MANID, TS3000_DEVID, TS3000_DEVID_MASK },
{ IDT_MANID, TS3001_DEVID, TS3001_DEVID_MASK },
@@ -170,6 +187,8 @@ static struct jc42_chips jc42_chips[] = {
{ MCP_MANID, MCP9843_DEVID, MCP9843_DEVID_MASK },
{ NXP_MANID, SE97_DEVID, SE97_DEVID_MASK },
{ ONS_MANID, CAT6095_DEVID, CAT6095_DEVID_MASK },
+ { ONS_MANID, CAT34TS02C_DEVID, CAT34TS02C_DEVID_MASK },
+ { ONS_MANID, CAT34TS04_DEVID, CAT34TS04_DEVID_MASK },
{ NXP_MANID, SE98_DEVID, SE98_DEVID_MASK },
{ STM_MANID, STTS424_DEVID, STTS424_DEVID_MASK },
{ STM_MANID, STTS424E_DEVID, STTS424E_DEVID_MASK },
diff --git a/drivers/hwmon/ltq-cputemp.c b/drivers/hwmon/ltq-cputemp.c
new file mode 100644
index 0000000000000..1d33f94594c11
--- /dev/null
+++ b/drivers/hwmon/ltq-cputemp.c
@@ -0,0 +1,163 @@
+/* Lantiq cpu temperature sensor driver
+ *
+ * Copyright (C) 2017 Florian Eckert <fe@dev.tdt.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version
+ *
+ * This program is distributed in the hope that it will be useful
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>
+ */
+
+#include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/hwmon.h>
+#include <linux/hwmon-sysfs.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+
+#include <lantiq_soc.h>
+
+/* gphy1 configuration register contains cpu temperature */
+#define CGU_GPHY1_CR 0x0040
+#define CGU_TEMP_PD BIT(19)
+
+static void ltq_cputemp_enable(void)
+{
+ ltq_cgu_w32(ltq_cgu_r32(CGU_GPHY1_CR) | CGU_TEMP_PD, CGU_GPHY1_CR);
+}
+
+static void ltq_cputemp_disable(void *data)
+{
+ ltq_cgu_w32(ltq_cgu_r32(CGU_GPHY1_CR) & ~CGU_TEMP_PD, CGU_GPHY1_CR);
+}
+
+static int ltq_read(struct device *dev, enum hwmon_sensor_types type,
+ u32 attr, int channel, long *temp)
+{
+ int value;
+
+ switch (attr) {
+ case hwmon_temp_input:
+ /* get the temperature including one decimal place */
+ value = (ltq_cgu_r32(CGU_GPHY1_CR) >> 9) & 0x01FF;
+ value = value * 5;
+ /* range -38 to +154 °C, register value zero is -38.0 °C */
+ value -= 380;
+ /* scale temp to millidegree */
+ value = value * 100;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ *temp = value;
+ return 0;
+}
+
+static umode_t ltq_is_visible(const void *_data, enum hwmon_sensor_types type,
+ u32 attr, int channel)
+{
+ if (type != hwmon_temp)
+ return 0;
+
+ switch (attr) {
+ case hwmon_temp_input:
+ return 0444;
+ default:
+ return 0;
+ }
+}
+
+static const u32 ltq_chip_config[] = {
+ HWMON_C_REGISTER_TZ,
+ 0
+};
+
+static const struct hwmon_channel_info ltq_chip = {
+ .type = hwmon_chip,
+ .config = ltq_chip_config,
+};
+
+static const u32 ltq_temp_config[] = {
+ HWMON_T_INPUT,
+ 0
+};
+
+static const struct hwmon_channel_info ltq_temp = {
+ .type = hwmon_temp,
+ .config = ltq_temp_config,
+};
+
+static const struct hwmon_channel_info *ltq_info[] = {
+ <q_chip,
+ <q_temp,
+ NULL
+};
+
+static const struct hwmon_ops ltq_hwmon_ops = {
+ .is_visible = ltq_is_visible,
+ .read = ltq_read,
+};
+
+static const struct hwmon_chip_info ltq_chip_info = {
+ .ops = <q_hwmon_ops,
+ .info = ltq_info,
+};
+
+static int ltq_cputemp_probe(struct platform_device *pdev)
+{
+ struct device *hwmon_dev;
+ int err = 0;
+
+ /* available on vr9 v1.2 SoCs only */
+ if (ltq_soc_type() != SOC_TYPE_VR9_2)
+ return -ENODEV;
+
+ err = devm_add_action(&pdev->dev, ltq_cputemp_disable, NULL);
+ if (err)
+ return err;
+
+ ltq_cputemp_enable();
+
+ hwmon_dev = devm_hwmon_device_register_with_info(&pdev->dev,
+ "ltq_cputemp",
+ NULL,
+ <q_chip_info,
+ NULL);
+
+ if (IS_ERR(hwmon_dev)) {
+ dev_err(&pdev->dev, "Failed to register as hwmon device");
+ return PTR_ERR(hwmon_dev);
+ }
+
+ return 0;
+}
+
+const struct of_device_id ltq_cputemp_match[] = {
+ { .compatible = "lantiq,cputemp" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, ltq_cputemp_match);
+
+static struct platform_driver ltq_cputemp_driver = {
+ .probe = ltq_cputemp_probe,
+ .driver = {
+ .name = "ltq-cputemp",
+ .of_match_table = ltq_cputemp_match,
+ },
+};
+
+module_platform_driver(ltq_cputemp_driver);
+
+MODULE_AUTHOR("Florian Eckert <fe@dev.tdt.de>");
+MODULE_DESCRIPTION("Lantiq cpu temperature sensor driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c
index 12b94b094c0d1..2876c18ed8411 100644
--- a/drivers/hwmon/nct7802.c
+++ b/drivers/hwmon/nct7802.c
@@ -704,7 +704,7 @@ static umode_t nct7802_temp_is_visible(struct kobject *kobj,
return attr->mode;
}
-static struct attribute_group nct7802_temp_group = {
+static const struct attribute_group nct7802_temp_group = {
.attrs = nct7802_temp_attrs,
.is_visible = nct7802_temp_is_visible,
};
@@ -802,7 +802,7 @@ static umode_t nct7802_in_is_visible(struct kobject *kobj,
return attr->mode;
}
-static struct attribute_group nct7802_in_group = {
+static const struct attribute_group nct7802_in_group = {
.attrs = nct7802_in_attrs,
.is_visible = nct7802_in_is_visible,
};
@@ -880,7 +880,7 @@ static umode_t nct7802_fan_is_visible(struct kobject *kobj,
return attr->mode;
}
-static struct attribute_group nct7802_fan_group = {
+static const struct attribute_group nct7802_fan_group = {
.attrs = nct7802_fan_attrs,
.is_visible = nct7802_fan_is_visible,
};
@@ -898,7 +898,7 @@ static struct attribute *nct7802_pwm_attrs[] = {
NULL
};
-static struct attribute_group nct7802_pwm_group = {
+static const struct attribute_group nct7802_pwm_group = {
.attrs = nct7802_pwm_attrs,
};
@@ -1011,7 +1011,7 @@ static struct attribute *nct7802_auto_point_attrs[] = {
NULL
};
-static struct attribute_group nct7802_auto_point_group = {
+static const struct attribute_group nct7802_auto_point_group = {
.attrs = nct7802_auto_point_attrs,
};
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index 68d717a3fd59c..40019325b517f 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -37,6 +37,15 @@ config SENSORS_ADM1275
This driver can also be built as a module. If so, the module will
be called adm1275.
+config SENSORS_IBM_CFFPS
+ tristate "IBM Common Form Factor Power Supply"
+ help
+ If you say yes here you get hardware monitoring support for the IBM
+ Common Form Factor power supply.
+
+ This driver can also be built as a module. If so, the module will
+ be called ibm-cffps.
+
config SENSORS_IR35221
tristate "Infineon IR35221"
default n
@@ -135,6 +144,15 @@ config SENSORS_TPS40422
This driver can also be built as a module. If so, the module will
be called tps40422.
+config SENSORS_TPS53679
+ tristate "TI TPS53679"
+ help
+ If you say yes here you get hardware monitoring support for TI
+ TPS53679.
+
+ This driver can also be built as a module. If so, the module will
+ be called tps53679.
+
config SENSORS_UCD9000
tristate "TI UCD90120, UCD90124, UCD90160, UCD9090, UCD90910"
default n
diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile
index 75bb7ca619d99..459a6be3390e8 100644
--- a/drivers/hwmon/pmbus/Makefile
+++ b/drivers/hwmon/pmbus/Makefile
@@ -5,6 +5,7 @@
obj-$(CONFIG_PMBUS) += pmbus_core.o
obj-$(CONFIG_SENSORS_PMBUS) += pmbus.o
obj-$(CONFIG_SENSORS_ADM1275) += adm1275.o
+obj-$(CONFIG_SENSORS_IBM_CFFPS) += ibm-cffps.o
obj-$(CONFIG_SENSORS_IR35221) += ir35221.o
obj-$(CONFIG_SENSORS_LM25066) += lm25066.o
obj-$(CONFIG_SENSORS_LTC2978) += ltc2978.o
@@ -14,6 +15,7 @@ obj-$(CONFIG_SENSORS_MAX20751) += max20751.o
obj-$(CONFIG_SENSORS_MAX34440) += max34440.o
obj-$(CONFIG_SENSORS_MAX8688) += max8688.o
obj-$(CONFIG_SENSORS_TPS40422) += tps40422.o
+obj-$(CONFIG_SENSORS_TPS53679) += tps53679.o
obj-$(CONFIG_SENSORS_UCD9000) += ucd9000.o
obj-$(CONFIG_SENSORS_UCD9200) += ucd9200.o
obj-$(CONFIG_SENSORS_ZL6100) += zl6100.o
diff --git a/drivers/hwmon/pmbus/ibm-cffps.c b/drivers/hwmon/pmbus/ibm-cffps.c
new file mode 100644
index 0000000000000..cb56da6834e50
--- /dev/null
+++ b/drivers/hwmon/pmbus/ibm-cffps.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright 2017 IBM Corp.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/bitops.h>
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+
+#include "pmbus.h"
+
+/* STATUS_MFR_SPECIFIC bits */
+#define CFFPS_MFR_FAN_FAULT BIT(0)
+#define CFFPS_MFR_THERMAL_FAULT BIT(1)
+#define CFFPS_MFR_OV_FAULT BIT(2)
+#define CFFPS_MFR_UV_FAULT BIT(3)
+#define CFFPS_MFR_PS_KILL BIT(4)
+#define CFFPS_MFR_OC_FAULT BIT(5)
+#define CFFPS_MFR_VAUX_FAULT BIT(6)
+#define CFFPS_MFR_CURRENT_SHARE_WARNING BIT(7)
+
+static int ibm_cffps_read_byte_data(struct i2c_client *client, int page,
+ int reg)
+{
+ int rc, mfr;
+
+ switch (reg) {
+ case PMBUS_STATUS_VOUT:
+ case PMBUS_STATUS_IOUT:
+ case PMBUS_STATUS_TEMPERATURE:
+ case PMBUS_STATUS_FAN_12:
+ rc = pmbus_read_byte_data(client, page, reg);
+ if (rc < 0)
+ return rc;
+
+ mfr = pmbus_read_byte_data(client, page,
+ PMBUS_STATUS_MFR_SPECIFIC);
+ if (mfr < 0)
+ /*
+ * Return the status register instead of an error,
+ * since we successfully read status.
+ */
+ return rc;
+
+ /* Add MFR_SPECIFIC bits to the standard pmbus status regs. */
+ if (reg == PMBUS_STATUS_FAN_12) {
+ if (mfr & CFFPS_MFR_FAN_FAULT)
+ rc |= PB_FAN_FAN1_FAULT;
+ } else if (reg == PMBUS_STATUS_TEMPERATURE) {
+ if (mfr & CFFPS_MFR_THERMAL_FAULT)
+ rc |= PB_TEMP_OT_FAULT;
+ } else if (reg == PMBUS_STATUS_VOUT) {
+ if (mfr & (CFFPS_MFR_OV_FAULT | CFFPS_MFR_VAUX_FAULT))
+ rc |= PB_VOLTAGE_OV_FAULT;
+ if (mfr & CFFPS_MFR_UV_FAULT)
+ rc |= PB_VOLTAGE_UV_FAULT;
+ } else if (reg == PMBUS_STATUS_IOUT) {
+ if (mfr & CFFPS_MFR_OC_FAULT)
+ rc |= PB_IOUT_OC_FAULT;
+ if (mfr & CFFPS_MFR_CURRENT_SHARE_WARNING)
+ rc |= PB_CURRENT_SHARE_FAULT;
+ }
+ break;
+ default:
+ rc = -ENODATA;
+ break;
+ }
+
+ return rc;
+}
+
+static int ibm_cffps_read_word_data(struct i2c_client *client, int page,
+ int reg)
+{
+ int rc, mfr;
+
+ switch (reg) {
+ case PMBUS_STATUS_WORD:
+ rc = pmbus_read_word_data(client, page, reg);
+ if (rc < 0)
+ return rc;
+
+ mfr = pmbus_read_byte_data(client, page,
+ PMBUS_STATUS_MFR_SPECIFIC);
+ if (mfr < 0)
+ /*
+ * Return the status register instead of an error,
+ * since we successfully read status.
+ */
+ return rc;
+
+ if (mfr & CFFPS_MFR_PS_KILL)
+ rc |= PB_STATUS_OFF;
+ break;
+ default:
+ rc = -ENODATA;
+ break;
+ }
+
+ return rc;
+}
+
+static struct pmbus_driver_info ibm_cffps_info = {
+ .pages = 1,
+ .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_IOUT |
+ PMBUS_HAVE_PIN | PMBUS_HAVE_FAN12 | PMBUS_HAVE_TEMP |
+ PMBUS_HAVE_TEMP2 | PMBUS_HAVE_TEMP3 | PMBUS_HAVE_STATUS_VOUT |
+ PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_INPUT |
+ PMBUS_HAVE_STATUS_TEMP | PMBUS_HAVE_STATUS_FAN12,
+ .read_byte_data = ibm_cffps_read_byte_data,
+ .read_word_data = ibm_cffps_read_word_data,
+};
+
+static int ibm_cffps_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ return pmbus_do_probe(client, id, &ibm_cffps_info);
+}
+
+static const struct i2c_device_id ibm_cffps_id[] = {
+ { "ibm_cffps1", 1 },
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, ibm_cffps_id);
+
+static const struct of_device_id ibm_cffps_of_match[] = {
+ { .compatible = "ibm,cffps1" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, ibm_cffps_of_match);
+
+static struct i2c_driver ibm_cffps_driver = {
+ .driver = {
+ .name = "ibm-cffps",
+ .of_match_table = ibm_cffps_of_match,
+ },
+ .probe = ibm_cffps_probe,
+ .remove = pmbus_do_remove,
+ .id_table = ibm_cffps_id,
+};
+
+module_i2c_driver(ibm_cffps_driver);
+
+MODULE_AUTHOR("Eddie James");
+MODULE_DESCRIPTION("PMBus driver for IBM Common Form Factor power supplies");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/pmbus/lm25066.c b/drivers/hwmon/pmbus/lm25066.c
index a3d912cd3b8d7..10d17fb8f2836 100644
--- a/drivers/hwmon/pmbus/lm25066.c
+++ b/drivers/hwmon/pmbus/lm25066.c
@@ -28,7 +28,7 @@
#include <linux/i2c.h>
#include "pmbus.h"
-enum chips { lm25056, lm25063, lm25066, lm5064, lm5066 };
+enum chips { lm25056, lm25063, lm25066, lm5064, lm5066, lm5066i };
#define LM25066_READ_VAUX 0xd0
#define LM25066_MFR_READ_IIN 0xd1
@@ -65,7 +65,7 @@ struct __coeff {
#define PSC_CURRENT_IN_L (PSC_NUM_CLASSES)
#define PSC_POWER_L (PSC_NUM_CLASSES + 1)
-static struct __coeff lm25066_coeff[5][PSC_NUM_CLASSES + 2] = {
+static struct __coeff lm25066_coeff[6][PSC_NUM_CLASSES + 2] = {
[lm25056] = {
[PSC_VOLTAGE_IN] = {
.m = 16296,
@@ -210,6 +210,41 @@ static struct __coeff lm25066_coeff[5][PSC_NUM_CLASSES + 2] = {
.m = 16,
},
},
+ [lm5066i] = {
+ [PSC_VOLTAGE_IN] = {
+ .m = 4617,
+ .b = -140,
+ .R = -2,
+ },
+ [PSC_VOLTAGE_OUT] = {
+ .m = 4602,
+ .b = 500,
+ .R = -2,
+ },
+ [PSC_CURRENT_IN] = {
+ .m = 15076,
+ .b = -504,
+ .R = -2,
+ },
+ [PSC_CURRENT_IN_L] = {
+ .m = 7645,
+ .b = 100,
+ .R = -2,
+ },
+ [PSC_POWER] = {
+ .m = 1701,
+ .b = -4000,
+ .R = -3,
+ },
+ [PSC_POWER_L] = {
+ .m = 861,
+ .b = -965,
+ .R = -3,
+ },
+ [PSC_TEMPERATURE] = {
+ .m = 16,
+ },
+ },
};
struct lm25066_data {
@@ -250,6 +285,7 @@ static int lm25066_read_word_data(struct i2c_client *client, int page, int reg)
ret = DIV_ROUND_CLOSEST(ret * 70, 453);
break;
case lm5066:
+ case lm5066i:
/* VIN: 2.18 mV VAUX: 725 uV LSB */
ret = DIV_ROUND_CLOSEST(ret * 725, 2180);
break;
@@ -488,16 +524,18 @@ static int lm25066_probe(struct i2c_client *client,
info->m[PSC_VOLTAGE_OUT] = coeff[PSC_VOLTAGE_OUT].m;
info->b[PSC_VOLTAGE_OUT] = coeff[PSC_VOLTAGE_OUT].b;
info->R[PSC_VOLTAGE_OUT] = coeff[PSC_VOLTAGE_OUT].R;
- info->b[PSC_CURRENT_IN] = coeff[PSC_CURRENT_IN].b;
info->R[PSC_CURRENT_IN] = coeff[PSC_CURRENT_IN].R;
- info->b[PSC_POWER] = coeff[PSC_POWER].b;
info->R[PSC_POWER] = coeff[PSC_POWER].R;
if (config & LM25066_DEV_SETUP_CL) {
info->m[PSC_CURRENT_IN] = coeff[PSC_CURRENT_IN_L].m;
+ info->b[PSC_CURRENT_IN] = coeff[PSC_CURRENT_IN_L].b;
info->m[PSC_POWER] = coeff[PSC_POWER_L].m;
+ info->b[PSC_POWER] = coeff[PSC_POWER_L].b;
} else {
info->m[PSC_CURRENT_IN] = coeff[PSC_CURRENT_IN].m;
+ info->b[PSC_CURRENT_IN] = coeff[PSC_CURRENT_IN].b;
info->m[PSC_POWER] = coeff[PSC_POWER].m;
+ info->b[PSC_POWER] = coeff[PSC_POWER].b;
}
return pmbus_do_probe(client, id, info);
@@ -509,6 +547,7 @@ static const struct i2c_device_id lm25066_id[] = {
{"lm25066", lm25066},
{"lm5064", lm5064},
{"lm5066", lm5066},
+ {"lm5066i", lm5066i},
{ }
};
diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h
index bfcb13bae34bd..4efa2bd4f6d8a 100644
--- a/drivers/hwmon/pmbus/pmbus.h
+++ b/drivers/hwmon/pmbus/pmbus.h
@@ -341,7 +341,7 @@ enum pmbus_sensor_classes {
#define PMBUS_HAVE_STATUS_VMON BIT(19)
enum pmbus_data_format { linear = 0, direct, vid };
-enum vrm_version { vr11 = 0, vr12 };
+enum vrm_version { vr11 = 0, vr12, vr13 };
struct pmbus_driver_info {
int pages; /* Total number of pages */
diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c
index f1eff6b6c7982..302f0aef59ded 100644
--- a/drivers/hwmon/pmbus/pmbus_core.c
+++ b/drivers/hwmon/pmbus/pmbus_core.c
@@ -19,6 +19,7 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include <linux/debugfs.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
@@ -101,6 +102,7 @@ struct pmbus_data {
int num_attributes;
struct attribute_group group;
const struct attribute_group *groups[2];
+ struct dentry *debugfs; /* debugfs device directory */
struct pmbus_sensor *sensors;
@@ -112,12 +114,20 @@ struct pmbus_data {
* A single status register covers multiple attributes,
* so we keep them all together.
*/
- u8 status[PB_NUM_STATUS_REG];
- u8 status_register;
+ u16 status[PB_NUM_STATUS_REG];
+
+ bool has_status_word; /* device uses STATUS_WORD register */
+ int (*read_status)(struct i2c_client *client, int page);
u8 currpage;
};
+struct pmbus_debugfs_entry {
+ struct i2c_client *client;
+ u8 page;
+ u8 reg;
+};
+
void pmbus_clear_cache(struct i2c_client *client)
{
struct pmbus_data *data = i2c_get_clientdata(client);
@@ -324,7 +334,7 @@ static int pmbus_check_status_cml(struct i2c_client *client)
struct pmbus_data *data = i2c_get_clientdata(client);
int status, status2;
- status = _pmbus_read_byte_data(client, -1, data->status_register);
+ status = data->read_status(client, -1);
if (status < 0 || (status & PB_STATUS_CML)) {
status2 = _pmbus_read_byte_data(client, -1, PMBUS_STATUS_CML);
if (status2 < 0 || (status2 & PB_CML_FAULT_INVALID_COMMAND))
@@ -348,6 +358,23 @@ static bool pmbus_check_register(struct i2c_client *client,
return rv >= 0;
}
+static bool pmbus_check_status_register(struct i2c_client *client, int page)
+{
+ int status;
+ struct pmbus_data *data = i2c_get_clientdata(client);
+
+ status = data->read_status(client, page);
+ if (status >= 0 && !(data->flags & PMBUS_SKIP_STATUS_CHECK) &&
+ (status & PB_STATUS_CML)) {
+ status = _pmbus_read_byte_data(client, -1, PMBUS_STATUS_CML);
+ if (status < 0 || (status & PB_CML_FAULT_INVALID_COMMAND))
+ status = -EIO;
+ }
+
+ pmbus_clear_fault_page(client, -1);
+ return status >= 0;
+}
+
bool pmbus_check_byte_register(struct i2c_client *client, int page, int reg)
{
return pmbus_check_register(client, _pmbus_read_byte_data, page, reg);
@@ -394,8 +421,7 @@ static struct pmbus_data *pmbus_update_device(struct device *dev)
for (i = 0; i < info->pages; i++) {
data->status[PB_STATUS_BASE + i]
- = _pmbus_read_byte_data(client, i,
- data->status_register);
+ = data->read_status(client, i);
for (j = 0; j < ARRAY_SIZE(pmbus_status); j++) {
struct _pmbus_status *s = &pmbus_status[j];
@@ -531,6 +557,10 @@ static long pmbus_reg2data_vid(struct pmbus_data *data,
if (val >= 0x01)
rv = 250 + (val - 1) * 5;
break;
+ case vr13:
+ if (val >= 0x01)
+ rv = 500 + (val - 1) * 10;
+ break;
}
return rv;
}
@@ -716,10 +746,10 @@ static int pmbus_get_boolean(struct pmbus_data *data, struct pmbus_boolean *b,
{
struct pmbus_sensor *s1 = b->s1;
struct pmbus_sensor *s2 = b->s2;
- u16 reg = (index >> 8) & 0xffff;
- u8 mask = index & 0xff;
+ u16 reg = (index >> 16) & 0xffff;
+ u16 mask = index & 0xffff;
int ret, status;
- u8 regval;
+ u16 regval;
status = data->status[reg];
if (status < 0)
@@ -860,7 +890,7 @@ static int pmbus_add_boolean(struct pmbus_data *data,
const char *name, const char *type, int seq,
struct pmbus_sensor *s1,
struct pmbus_sensor *s2,
- u16 reg, u8 mask)
+ u16 reg, u16 mask)
{
struct pmbus_boolean *boolean;
struct sensor_device_attribute *a;
@@ -876,7 +906,7 @@ static int pmbus_add_boolean(struct pmbus_data *data,
boolean->s1 = s1;
boolean->s2 = s2;
pmbus_attr_init(a, boolean->name, S_IRUGO, pmbus_show_boolean, NULL,
- (reg << 8) | mask);
+ (reg << 16) | mask);
return pmbus_add_attribute(data, &a->dev_attr.attr);
}
@@ -962,7 +992,7 @@ struct pmbus_limit_attr {
*/
struct pmbus_sensor_attr {
u16 reg; /* sensor register */
- u8 gbit; /* generic status bit */
+ u16 gbit; /* generic status bit */
u8 nlimit; /* # of limit registers */
enum pmbus_sensor_classes class;/* sensor class */
const char *label; /* sensor label */
@@ -1028,6 +1058,7 @@ static int pmbus_add_sensor_attrs_one(struct i2c_client *client,
const struct pmbus_sensor_attr *attr)
{
struct pmbus_sensor *base;
+ bool upper = !!(attr->gbit & 0xff00); /* need to check STATUS_WORD */
int ret;
if (attr->label) {
@@ -1048,11 +1079,12 @@ static int pmbus_add_sensor_attrs_one(struct i2c_client *client,
/*
* Add generic alarm attribute only if there are no individual
* alarm attributes, if there is a global alarm bit, and if
- * the generic status register for this page is accessible.
+ * the generic status register (word or byte, depending on
+ * which global bit is set) for this page is accessible.
*/
if (!ret && attr->gbit &&
- pmbus_check_byte_register(client, page,
- data->status_register)) {
+ (!upper || (upper && data->has_status_word)) &&
+ pmbus_check_status_register(client, page)) {
ret = pmbus_add_boolean(data, name, "alarm", index,
NULL, NULL,
PB_STATUS_BASE + page,
@@ -1308,6 +1340,7 @@ static const struct pmbus_sensor_attr current_attributes[] = {
.func = PMBUS_HAVE_IIN,
.sfunc = PMBUS_HAVE_STATUS_INPUT,
.sbase = PB_STATUS_INPUT_BASE,
+ .gbit = PB_STATUS_INPUT,
.limit = iin_limit_attrs,
.nlimit = ARRAY_SIZE(iin_limit_attrs),
}, {
@@ -1392,6 +1425,7 @@ static const struct pmbus_sensor_attr power_attributes[] = {
.func = PMBUS_HAVE_PIN,
.sfunc = PMBUS_HAVE_STATUS_INPUT,
.sbase = PB_STATUS_INPUT_BASE,
+ .gbit = PB_STATUS_INPUT,
.limit = pin_limit_attrs,
.nlimit = ARRAY_SIZE(pin_limit_attrs),
}, {
@@ -1729,6 +1763,16 @@ static int pmbus_identify_common(struct i2c_client *client,
return 0;
}
+static int pmbus_read_status_byte(struct i2c_client *client, int page)
+{
+ return _pmbus_read_byte_data(client, page, PMBUS_STATUS_BYTE);
+}
+
+static int pmbus_read_status_word(struct i2c_client *client, int page)
+{
+ return _pmbus_read_word_data(client, page, PMBUS_STATUS_WORD);
+}
+
static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data,
struct pmbus_driver_info *info)
{
@@ -1736,19 +1780,21 @@ static int pmbus_init_common(struct i2c_client *client, struct pmbus_data *data,
int page, ret;
/*
- * Some PMBus chips don't support PMBUS_STATUS_BYTE, so try
- * to use PMBUS_STATUS_WORD instead if that is the case.
+ * Some PMBus chips don't support PMBUS_STATUS_WORD, so try
+ * to use PMBUS_STATUS_BYTE instead if that is the case.
* Bail out if both registers are not supported.
*/
- data->status_register = PMBUS_STATUS_BYTE;
- ret = i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE);
- if (ret < 0 || ret == 0xff) {
- data->status_register = PMBUS_STATUS_WORD;
- ret = i2c_smbus_read_word_data(client, PMBUS_STATUS_WORD);
- if (ret < 0 || ret == 0xffff) {
+ data->read_status = pmbus_read_status_word;
+ ret = i2c_smbus_read_word_data(client, PMBUS_STATUS_WORD);
+ if (ret < 0 || ret == 0xffff) {
+ data->read_status = pmbus_read_status_byte;
+ ret = i2c_smbus_read_byte_data(client, PMBUS_STATUS_BYTE);
+ if (ret < 0 || ret == 0xff) {
dev_err(dev, "PMBus status register not found\n");
return -ENODEV;
}
+ } else {
+ data->has_status_word = true;
}
/* Enable PEC if the controller supports it */
@@ -1859,6 +1905,184 @@ static int pmbus_regulator_register(struct pmbus_data *data)
}
#endif
+static struct dentry *pmbus_debugfs_dir; /* pmbus debugfs directory */
+
+#if IS_ENABLED(CONFIG_DEBUG_FS)
+static int pmbus_debugfs_get(void *data, u64 *val)
+{
+ int rc;
+ struct pmbus_debugfs_entry *entry = data;
+
+ rc = _pmbus_read_byte_data(entry->client, entry->page, entry->reg);
+ if (rc < 0)
+ return rc;
+
+ *val = rc;
+
+ return 0;
+}
+DEFINE_DEBUGFS_ATTRIBUTE(pmbus_debugfs_ops, pmbus_debugfs_get, NULL,
+ "0x%02llx\n");
+
+static int pmbus_debugfs_get_status(void *data, u64 *val)
+{
+ int rc;
+ struct pmbus_debugfs_entry *entry = data;
+ struct pmbus_data *pdata = i2c_get_clientdata(entry->client);
+
+ rc = pdata->read_status(entry->client, entry->page);
+ if (rc < 0)
+ return rc;
+
+ *val = rc;
+
+ return 0;
+}
+DEFINE_DEBUGFS_ATTRIBUTE(pmbus_debugfs_ops_status, pmbus_debugfs_get_status,
+ NULL, "0x%04llx\n");
+
+static int pmbus_init_debugfs(struct i2c_client *client,
+ struct pmbus_data *data)
+{
+ int i, idx = 0;
+ char name[PMBUS_NAME_SIZE];
+ struct pmbus_debugfs_entry *entries;
+
+ if (!pmbus_debugfs_dir)
+ return -ENODEV;
+
+ /*
+ * Create the debugfs directory for this device. Use the hwmon device
+ * name to avoid conflicts (hwmon numbers are globally unique).
+ */
+ data->debugfs = debugfs_create_dir(dev_name(data->hwmon_dev),
+ pmbus_debugfs_dir);
+ if (IS_ERR_OR_NULL(data->debugfs)) {
+ data->debugfs = NULL;
+ return -ENODEV;
+ }
+
+ /* Allocate the max possible entries we need. */
+ entries = devm_kzalloc(data->dev,
+ sizeof(*entries) * (data->info->pages * 10),
+ GFP_KERNEL);
+ if (!entries)
+ return -ENOMEM;
+
+ for (i = 0; i < data->info->pages; ++i) {
+ /* Check accessibility of status register if it's not page 0 */
+ if (!i || pmbus_check_status_register(client, i)) {
+ /* No need to set reg as we have special read op. */
+ entries[idx].client = client;
+ entries[idx].page = i;
+ scnprintf(name, PMBUS_NAME_SIZE, "status%d", i);
+ debugfs_create_file(name, 0444, data->debugfs,
+ &entries[idx++],
+ &pmbus_debugfs_ops_status);
+ }
+
+ if (data->info->func[i] & PMBUS_HAVE_STATUS_VOUT) {
+ entries[idx].client = client;
+ entries[idx].page = i;
+ entries[idx].reg = PMBUS_STATUS_VOUT;
+ scnprintf(name, PMBUS_NAME_SIZE, "status%d_vout", i);
+ debugfs_create_file(name, 0444, data->debugfs,
+ &entries[idx++],
+ &pmbus_debugfs_ops);
+ }
+
+ if (data->info->func[i] & PMBUS_HAVE_STATUS_IOUT) {
+ entries[idx].client = client;
+ entries[idx].page = i;
+ entries[idx].reg = PMBUS_STATUS_IOUT;
+ scnprintf(name, PMBUS_NAME_SIZE, "status%d_iout", i);
+ debugfs_create_file(name, 0444, data->debugfs,
+ &entries[idx++],
+ &pmbus_debugfs_ops);
+ }
+
+ if (data->info->func[i] & PMBUS_HAVE_STATUS_INPUT) {
+ entries[idx].client = client;
+ entries[idx].page = i;
+ entries[idx].reg = PMBUS_STATUS_INPUT;
+ scnprintf(name, PMBUS_NAME_SIZE, "status%d_input", i);
+ debugfs_create_file(name, 0444, data->debugfs,
+ &entries[idx++],
+ &pmbus_debugfs_ops);
+ }
+
+ if (data->info->func[i] & PMBUS_HAVE_STATUS_TEMP) {
+ entries[idx].client = client;
+ entries[idx].page = i;
+ entries[idx].reg = PMBUS_STATUS_TEMPERATURE;
+ scnprintf(name, PMBUS_NAME_SIZE, "status%d_temp", i);
+ debugfs_create_file(name, 0444, data->debugfs,
+ &entries[idx++],
+ &pmbus_debugfs_ops);
+ }
+
+ if (pmbus_check_byte_register(client, i, PMBUS_STATUS_CML)) {
+ entries[idx].client = client;
+ entries[idx].page = i;
+ entries[idx].reg = PMBUS_STATUS_CML;
+ scnprintf(name, PMBUS_NAME_SIZE, "status%d_cml", i);
+ debugfs_create_file(name, 0444, data->debugfs,
+ &entries[idx++],
+ &pmbus_debugfs_ops);
+ }
+
+ if (pmbus_check_byte_register(client, i, PMBUS_STATUS_OTHER)) {
+ entries[idx].client = client;
+ entries[idx].page = i;
+ entries[idx].reg = PMBUS_STATUS_OTHER;
+ scnprintf(name, PMBUS_NAME_SIZE, "status%d_other", i);
+ debugfs_create_file(name, 0444, data->debugfs,
+ &entries[idx++],
+ &pmbus_debugfs_ops);
+ }
+
+ if (pmbus_check_byte_register(client, i,
+ PMBUS_STATUS_MFR_SPECIFIC)) {
+ entries[idx].client = client;
+ entries[idx].page = i;
+ entries[idx].reg = PMBUS_STATUS_MFR_SPECIFIC;
+ scnprintf(name, PMBUS_NAME_SIZE, "status%d_mfr", i);
+ debugfs_create_file(name, 0444, data->debugfs,
+ &entries[idx++],
+ &pmbus_debugfs_ops);
+ }
+
+ if (data->info->func[i] & PMBUS_HAVE_STATUS_FAN12) {
+ entries[idx].client = client;
+ entries[idx].page = i;
+ entries[idx].reg = PMBUS_STATUS_FAN_12;
+ scnprintf(name, PMBUS_NAME_SIZE, "status%d_fan12", i);
+ debugfs_create_file(name, 0444, data->debugfs,
+ &entries[idx++],
+ &pmbus_debugfs_ops);
+ }
+
+ if (data->info->func[i] & PMBUS_HAVE_STATUS_FAN34) {
+ entries[idx].client = client;
+ entries[idx].page = i;
+ entries[idx].reg = PMBUS_STATUS_FAN_34;
+ scnprintf(name, PMBUS_NAME_SIZE, "status%d_fan34", i);
+ debugfs_create_file(name, 0444, data->debugfs,
+ &entries[idx++],
+ &pmbus_debugfs_ops);
+ }
+ }
+
+ return 0;
+}
+#else
+static int pmbus_init_debugfs(struct i2c_client *client,
+ struct pmbus_data *data)
+{
+ return 0;
+}
+#endif /* IS_ENABLED(CONFIG_DEBUG_FS) */
+
int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
struct pmbus_driver_info *info)
{
@@ -1918,6 +2142,10 @@ int pmbus_do_probe(struct i2c_client *client, const struct i2c_device_id *id,
if (ret)
goto out_unregister;
+ ret = pmbus_init_debugfs(client, data);
+ if (ret)
+ dev_warn(dev, "Failed to register debugfs\n");
+
return 0;
out_unregister:
@@ -1931,12 +2159,32 @@ EXPORT_SYMBOL_GPL(pmbus_do_probe);
int pmbus_do_remove(struct i2c_client *client)
{
struct pmbus_data *data = i2c_get_clientdata(client);
+
+ debugfs_remove_recursive(data->debugfs);
+
hwmon_device_unregister(data->hwmon_dev);
kfree(data->group.attrs);
return 0;
}
EXPORT_SYMBOL_GPL(pmbus_do_remove);
+static int __init pmbus_core_init(void)
+{
+ pmbus_debugfs_dir = debugfs_create_dir("pmbus", NULL);
+ if (IS_ERR(pmbus_debugfs_dir))
+ pmbus_debugfs_dir = NULL;
+
+ return 0;
+}
+
+static void __exit pmbus_core_exit(void)
+{
+ debugfs_remove_recursive(pmbus_debugfs_dir);
+}
+
+module_init(pmbus_core_init);
+module_exit(pmbus_core_exit);
+
MODULE_AUTHOR("Guenter Roeck");
MODULE_DESCRIPTION("PMBus core driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/pmbus/tps53679.c b/drivers/hwmon/pmbus/tps53679.c
new file mode 100644
index 0000000000000..85b515cd9df0e
--- /dev/null
+++ b/drivers/hwmon/pmbus/tps53679.c
@@ -0,0 +1,113 @@
+/*
+ * Hardware monitoring driver for Texas Instruments TPS53679
+ *
+ * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
+ * Copyright (c) 2017 Vadim Pasternak <vadimp@mellanox.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include "pmbus.h"
+
+#define TPS53679_PROT_VR12_5MV 0x01 /* VR12.0 mode, 5-mV DAC */
+#define TPS53679_PROT_VR12_5_10MV 0x02 /* VR12.5 mode, 10-mV DAC */
+#define TPS53679_PROT_VR13_10MV 0x04 /* VR13.0 mode, 10-mV DAC */
+#define TPS53679_PROT_IMVP8_5MV 0x05 /* IMVP8 mode, 5-mV DAC */
+#define TPS53679_PROT_VR13_5MV 0x07 /* VR13.0 mode, 5-mV DAC */
+#define TPS53679_PAGE_NUM 2
+
+static int tps53679_identify(struct i2c_client *client,
+ struct pmbus_driver_info *info)
+{
+ u8 vout_params;
+ int ret;
+
+ /* Read the register with VOUT scaling value.*/
+ ret = pmbus_read_byte_data(client, 0, PMBUS_VOUT_MODE);
+ if (ret < 0)
+ return ret;
+
+ vout_params = ret & GENMASK(4, 0);
+
+ switch (vout_params) {
+ case TPS53679_PROT_VR13_10MV:
+ case TPS53679_PROT_VR12_5_10MV:
+ info->vrm_version = vr13;
+ break;
+ case TPS53679_PROT_VR13_5MV:
+ case TPS53679_PROT_VR12_5MV:
+ case TPS53679_PROT_IMVP8_5MV:
+ info->vrm_version = vr12;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct pmbus_driver_info tps53679_info = {
+ .pages = TPS53679_PAGE_NUM,
+ .format[PSC_VOLTAGE_IN] = linear,
+ .format[PSC_VOLTAGE_OUT] = vid,
+ .format[PSC_TEMPERATURE] = linear,
+ .format[PSC_CURRENT_OUT] = linear,
+ .format[PSC_POWER] = linear,
+ .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
+ PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
+ PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |
+ PMBUS_HAVE_POUT,
+ .func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
+ PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
+ PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |
+ PMBUS_HAVE_POUT,
+ .identify = tps53679_identify,
+};
+
+static int tps53679_probe(struct i2c_client *client,
+ const struct i2c_device_id *id)
+{
+ return pmbus_do_probe(client, id, &tps53679_info);
+}
+
+static const struct i2c_device_id tps53679_id[] = {
+ {"tps53679", 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, tps53679_id);
+
+static const struct of_device_id tps53679_of_match[] = {
+ {.compatible = "ti,tps53679"},
+ {}
+};
+MODULE_DEVICE_TABLE(of, tps53679_of_match);
+
+static struct i2c_driver tps53679_driver = {
+ .driver = {
+ .name = "tps53679",
+ .of_match_table = of_match_ptr(tps53679_of_match),
+ },
+ .probe = tps53679_probe,
+ .remove = pmbus_do_remove,
+ .id_table = tps53679_id,
+};
+
+module_i2c_driver(tps53679_driver);
+
+MODULE_AUTHOR("Vadim Pasternak <vadimp@mellanox.com>");
+MODULE_DESCRIPTION("PMBus driver for Texas Instruments TPS53679");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hwmon/scpi-hwmon.c b/drivers/hwmon/scpi-hwmon.c
index a586480a7ca90..7e49da50bc69b 100644
--- a/drivers/hwmon/scpi-hwmon.c
+++ b/drivers/hwmon/scpi-hwmon.c
@@ -120,7 +120,7 @@ scpi_show_label(struct device *dev, struct device_attribute *attr, char *buf)
return sprintf(buf, "%s\n", sensor->info.name);
}
-static struct thermal_zone_of_device_ops scpi_sensor_ops = {
+static const struct thermal_zone_of_device_ops scpi_sensor_ops = {
.get_temp = scpi_read_temp,
};
diff --git a/drivers/hwmon/stts751.c b/drivers/hwmon/stts751.c
index d56251d6eec2e..3f940fb67dc62 100644
--- a/drivers/hwmon/stts751.c
+++ b/drivers/hwmon/stts751.c
@@ -718,6 +718,10 @@ static int stts751_read_chip_config(struct stts751_priv *priv)
ret = i2c_smbus_read_byte_data(priv->client, STTS751_REG_RATE);
if (ret < 0)
return ret;
+ if (ret >= ARRAY_SIZE(stts751_intervals)) {
+ dev_err(priv->dev, "Unrecognized conversion rate 0x%x\n", ret);
+ return -ENODEV;
+ }
priv->interval = ret;
ret = stts751_read_reg16(priv, &priv->event_max,
diff --git a/drivers/mfd/da9052-core.c b/drivers/mfd/da9052-core.c
index a88c2065d8ab0..a23a3a1c70611 100644
--- a/drivers/mfd/da9052-core.c
+++ b/drivers/mfd/da9052-core.c
@@ -18,6 +18,7 @@
#include <linux/mfd/core.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/property.h>
#include <linux/mfd/da9052/da9052.h>
#include <linux/mfd/da9052/pdata.h>
@@ -518,9 +519,6 @@ static const struct mfd_cell da9052_subdev_info[] = {
{
.name = "da9052-wled3",
},
- {
- .name = "da9052-tsi",
- },
{
.name = "da9052-bat",
},
@@ -529,6 +527,10 @@ static const struct mfd_cell da9052_subdev_info[] = {
},
};
+static const struct mfd_cell da9052_tsi_subdev_info[] = {
+ { .name = "da9052-tsi" },
+};
+
const struct regmap_config da9052_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
@@ -619,9 +621,27 @@ int da9052_device_init(struct da9052 *da9052, u8 chip_id)
goto err;
}
+ /*
+ * Check if touchscreen pins are used are analogue input instead
+ * of having a touchscreen connected to them. The analogue input
+ * functionality will be provided by hwmon driver (if enabled).
+ */
+ if (!device_property_read_bool(da9052->dev, "dlg,tsi-as-adc")) {
+ ret = mfd_add_devices(da9052->dev, PLATFORM_DEVID_AUTO,
+ da9052_tsi_subdev_info,
+ ARRAY_SIZE(da9052_tsi_subdev_info),
+ NULL, 0, NULL);
+ if (ret) {
+ dev_err(da9052->dev, "failed to add TSI subdev: %d\n",
+ ret);
+ goto err;
+ }
+ }
+
return 0;
err:
+ mfd_remove_devices(da9052->dev);
da9052_irq_exit(da9052);
return ret;
diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h
index ce9230af09c20..ae5b663836d09 100644
--- a/include/linux/mfd/da9052/da9052.h
+++ b/include/linux/mfd/da9052/da9052.h
@@ -45,6 +45,12 @@
#define DA9052_ADC_TJUNC 8
#define DA9052_ADC_VBBAT 9
+/* TSI channel has its own 4 channel mux */
+#define DA9052_ADC_TSI_XP 70
+#define DA9052_ADC_TSI_XN 71
+#define DA9052_ADC_TSI_YP 72
+#define DA9052_ADC_TSI_YN 73
+
#define DA9052_IRQ_DCIN 0
#define DA9052_IRQ_VBUS 1
#define DA9052_IRQ_DCINREM 2
diff --git a/include/linux/mfd/da9052/reg.h b/include/linux/mfd/da9052/reg.h
index 5010f978725c5..76780ea8849c9 100644
--- a/include/linux/mfd/da9052/reg.h
+++ b/include/linux/mfd/da9052/reg.h
@@ -690,7 +690,10 @@
/* TSI CONTROL REGISTER B BITS */
#define DA9052_TSICONTB_ADCREF 0X80
#define DA9052_TSICONTB_TSIMAN 0X40
-#define DA9052_TSICONTB_TSIMUX 0X30
+#define DA9052_TSICONTB_TSIMUX_XP 0X00
+#define DA9052_TSICONTB_TSIMUX_YP 0X10
+#define DA9052_TSICONTB_TSIMUX_XN 0X20
+#define DA9052_TSICONTB_TSIMUX_YN 0X30
#define DA9052_TSICONTB_TSISEL3 0X08
#define DA9052_TSICONTB_TSISEL2 0X04
#define DA9052_TSICONTB_TSISEL1 0X02
@@ -705,8 +708,14 @@
/* TSI CO-ORDINATE LSB RESULT REGISTER BITS */
#define DA9052_TSILSB_PENDOWN 0X40
#define DA9052_TSILSB_TSIZL 0X30
+#define DA9052_TSILSB_TSIZL_SHIFT 4
+#define DA9052_TSILSB_TSIZL_BITS 2
#define DA9052_TSILSB_TSIYL 0X0C
+#define DA9052_TSILSB_TSIYL_SHIFT 2
+#define DA9052_TSILSB_TSIYL_BITS 2
#define DA9052_TSILSB_TSIXL 0X03
+#define DA9052_TSILSB_TSIXL_SHIFT 0
+#define DA9052_TSILSB_TSIXL_BITS 2
/* TSI Z MEASUREMENT MSB RESULT REGISTER BIT */
#define DA9052_TSIZMSB_TSIZM 0XFF