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mfd: palmas: Add tps65917 support
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Add tps65917 PMIC support. tps65917 is a subset of palmas PMIC.
Some of the register definitions and the interrupt mappings
are different.

Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Keerthy authored and Mark Brown committed Jun 23, 2014
1 parent 027d7c2 commit 1c113d8
Showing 1 changed file with 172 additions and 7 deletions.
179 changes: 172 additions & 7 deletions drivers/mfd/palmas.c
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Original file line number Diff line number Diff line change
Expand Up @@ -92,6 +92,133 @@ static const struct regmap_config palmas_regmap_config[PALMAS_NUM_CLIENTS] = {
},
};

static const struct regmap_irq tps65917_irqs[] = {
/* INT1 IRQs */
[TPS65917_RESERVED1] = {
.mask = TPS65917_RESERVED,
},
[TPS65917_PWRON_IRQ] = {
.mask = TPS65917_INT1_STATUS_PWRON,
},
[TPS65917_LONG_PRESS_KEY_IRQ] = {
.mask = TPS65917_INT1_STATUS_LONG_PRESS_KEY,
},
[TPS65917_RESERVED2] = {
.mask = TPS65917_RESERVED,
},
[TPS65917_PWRDOWN_IRQ] = {
.mask = TPS65917_INT1_STATUS_PWRDOWN,
},
[TPS65917_HOTDIE_IRQ] = {
.mask = TPS65917_INT1_STATUS_HOTDIE,
},
[TPS65917_VSYS_MON_IRQ] = {
.mask = TPS65917_INT1_STATUS_VSYS_MON,
},
[TPS65917_RESERVED3] = {
.mask = TPS65917_RESERVED,
},
/* INT2 IRQs*/
[TPS65917_RESERVED4] = {
.mask = TPS65917_RESERVED,
.reg_offset = 1,
},
[TPS65917_OTP_ERROR_IRQ] = {
.mask = TPS65917_INT2_STATUS_OTP_ERROR,
.reg_offset = 1,
},
[TPS65917_WDT_IRQ] = {
.mask = TPS65917_INT2_STATUS_WDT,
.reg_offset = 1,
},
[TPS65917_RESERVED5] = {
.mask = TPS65917_RESERVED,
.reg_offset = 1,
},
[TPS65917_RESET_IN_IRQ] = {
.mask = TPS65917_INT2_STATUS_RESET_IN,
.reg_offset = 1,
},
[TPS65917_FSD_IRQ] = {
.mask = TPS65917_INT2_STATUS_FSD,
.reg_offset = 1,
},
[TPS65917_SHORT_IRQ] = {
.mask = TPS65917_INT2_STATUS_SHORT,
.reg_offset = 1,
},
[TPS65917_RESERVED6] = {
.mask = TPS65917_RESERVED,
.reg_offset = 1,
},
/* INT3 IRQs */
[TPS65917_GPADC_AUTO_0_IRQ] = {
.mask = TPS65917_INT3_STATUS_GPADC_AUTO_0,
.reg_offset = 2,
},
[TPS65917_GPADC_AUTO_1_IRQ] = {
.mask = TPS65917_INT3_STATUS_GPADC_AUTO_1,
.reg_offset = 2,
},
[TPS65917_GPADC_EOC_SW_IRQ] = {
.mask = TPS65917_INT3_STATUS_GPADC_EOC_SW,
.reg_offset = 2,
},
[TPS65917_RESREVED6] = {
.mask = TPS65917_RESERVED6,
.reg_offset = 2,
},
[TPS65917_RESERVED7] = {
.mask = TPS65917_RESERVED,
.reg_offset = 2,
},
[TPS65917_RESERVED8] = {
.mask = TPS65917_RESERVED,
.reg_offset = 2,
},
[TPS65917_RESERVED9] = {
.mask = TPS65917_RESERVED,
.reg_offset = 2,
},
[TPS65917_VBUS_IRQ] = {
.mask = TPS65917_INT3_STATUS_VBUS,
.reg_offset = 2,
},
/* INT4 IRQs */
[TPS65917_GPIO_0_IRQ] = {
.mask = TPS65917_INT4_STATUS_GPIO_0,
.reg_offset = 3,
},
[TPS65917_GPIO_1_IRQ] = {
.mask = TPS65917_INT4_STATUS_GPIO_1,
.reg_offset = 3,
},
[TPS65917_GPIO_2_IRQ] = {
.mask = TPS65917_INT4_STATUS_GPIO_2,
.reg_offset = 3,
},
[TPS65917_GPIO_3_IRQ] = {
.mask = TPS65917_INT4_STATUS_GPIO_3,
.reg_offset = 3,
},
[TPS65917_GPIO_4_IRQ] = {
.mask = TPS65917_INT4_STATUS_GPIO_4,
.reg_offset = 3,
},
[TPS65917_GPIO_5_IRQ] = {
.mask = TPS65917_INT4_STATUS_GPIO_5,
.reg_offset = 3,
},
[TPS65917_GPIO_6_IRQ] = {
.mask = TPS65917_INT4_STATUS_GPIO_6,
.reg_offset = 3,
},
[TPS65917_RESERVED10] = {
.mask = TPS65917_RESERVED10,
.reg_offset = 3,
},
};

static const struct regmap_irq palmas_irqs[] = {
/* INT1 IRQs */
[PALMAS_CHARG_DET_N_VBUS_OVV_IRQ] = {
Expand Down Expand Up @@ -232,6 +359,19 @@ static struct regmap_irq_chip palmas_irq_chip = {
PALMAS_INT1_MASK),
};

static struct regmap_irq_chip tps65917_irq_chip = {
.name = "tps65917",
.irqs = tps65917_irqs,
.num_irqs = ARRAY_SIZE(tps65917_irqs),

.num_regs = 4,
.irq_reg_stride = 5,
.status_base = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE,
PALMAS_INT1_STATUS),
.mask_base = PALMAS_BASE_TO_REG(PALMAS_INTERRUPT_BASE,
PALMAS_INT1_MASK),
};

int palmas_ext_control_req_config(struct palmas *palmas,
enum palmas_external_requestor_id id, int ext_ctrl, bool enable)
{
Expand Down Expand Up @@ -357,14 +497,38 @@ static void palmas_power_off(void)
static unsigned int palmas_features = PALMAS_PMIC_FEATURE_SMPS10_BOOST;
static unsigned int tps659038_features;

struct palmas_driver_data {
unsigned int *features;
struct regmap_irq_chip *irq_chip;
};

static struct palmas_driver_data palmas_data = {
.features = &palmas_features,
.irq_chip = &palmas_irq_chip,
};

static struct palmas_driver_data tps659038_data = {
.features = &tps659038_features,
.irq_chip = &palmas_irq_chip,
};

static struct palmas_driver_data tps65917_data = {
.features = &tps659038_features,
.irq_chip = &tps65917_irq_chip,
};

static const struct of_device_id of_palmas_match_tbl[] = {
{
.compatible = "ti,palmas",
.data = &palmas_features,
.data = &palmas_data,
},
{
.compatible = "ti,tps659038",
.data = &tps659038_features,
.data = &tps659038_data,
},
{
.compatible = "ti,tps65917",
.data = &tps65917_data,
},
{ },
};
Expand All @@ -375,9 +539,10 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
{
struct palmas *palmas;
struct palmas_platform_data *pdata;
struct palmas_driver_data *driver_data;
struct device_node *node = i2c->dev.of_node;
int ret = 0, i;
unsigned int reg, addr, *features;
unsigned int reg, addr;
int slave;
const struct of_device_id *match;

Expand Down Expand Up @@ -408,8 +573,8 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
if (!match)
return -ENODATA;

features = (unsigned int *)match->data;
palmas->features = *features;
driver_data = (struct palmas_driver_data *)match->data;
palmas->features = *driver_data->features;

for (i = 0; i < PALMAS_NUM_CLIENTS; i++) {
if (i == 0)
Expand Down Expand Up @@ -463,8 +628,8 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
regmap_write(palmas->regmap[slave], addr, reg);

ret = regmap_add_irq_chip(palmas->regmap[slave], palmas->irq,
IRQF_ONESHOT | pdata->irq_flags, 0, &palmas_irq_chip,
&palmas->irq_data);
IRQF_ONESHOT | pdata->irq_flags, 0,
driver_data->irq_chip, &palmas->irq_data);
if (ret < 0)
goto err_i2c;

Expand Down

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