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mfd: sec: Add support for S2MPS14
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Add support for S2MPS14 PMIC device to the MFD sec-core driver.
The S2MPS14 is similar to S2MPS11 but it has fewer regulators, two
clocks instead of three and a little different registers layout.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Krzysztof Kozlowski authored and Lee Jones committed Mar 18, 2014
1 parent 6776209 commit dc69196
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Showing 6 changed files with 360 additions and 12 deletions.
48 changes: 43 additions & 5 deletions drivers/mfd/sec-core.c
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
#include <linux/mfd/samsung/irq.h>
#include <linux/mfd/samsung/rtc.h>
#include <linux/mfd/samsung/s2mps11.h>
#include <linux/mfd/samsung/s2mps14.h>
#include <linux/mfd/samsung/s5m8763.h>
#include <linux/mfd/samsung/s5m8767.h>
#include <linux/regmap.h>
Expand Down Expand Up @@ -69,6 +70,16 @@ static const struct mfd_cell s2mps11_devs[] = {
}
};

static const struct mfd_cell s2mps14_devs[] = {
{
.name = "s2mps14-pmic",
}, {
.name = "s2mps14-rtc",
}, {
.name = "s2mps14-clk",
}
};

#ifdef CONFIG_OF
static struct of_device_id sec_dt_match[] = {
{ .compatible = "samsung,s5m8767-pmic",
Expand All @@ -77,6 +88,9 @@ static struct of_device_id sec_dt_match[] = {
{ .compatible = "samsung,s2mps11-pmic",
.data = (void *)S2MPS11X,
},
{ .compatible = "samsung,s2mps14-pmic",
.data = (void *)S2MPS14X,
},
{},
};
#endif
Expand Down Expand Up @@ -120,6 +134,15 @@ static const struct regmap_config s2mps11_regmap_config = {
.cache_type = REGCACHE_FLAT,
};

static const struct regmap_config s2mps14_regmap_config = {
.reg_bits = 8,
.val_bits = 8,

.max_register = S2MPS14_REG_LDODSCH3,
.volatile_reg = s2mps11_volatile,
.cache_type = REGCACHE_FLAT,
};

static const struct regmap_config s5m8763_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
Expand All @@ -138,13 +161,20 @@ static const struct regmap_config s5m8767_regmap_config = {
.cache_type = REGCACHE_FLAT,
};

static const struct regmap_config sec_rtc_regmap_config = {
static const struct regmap_config s5m_rtc_regmap_config = {
.reg_bits = 8,
.val_bits = 8,

.max_register = SEC_RTC_REG_MAX,
};

static const struct regmap_config s2mps14_rtc_regmap_config = {
.reg_bits = 8,
.val_bits = 8,

.max_register = S2MPS_RTC_REG_MAX,
};

#ifdef CONFIG_OF
/*
* Only the common platform data elements for s5m8767 are parsed here from the
Expand Down Expand Up @@ -239,19 +269,23 @@ static int sec_pmic_probe(struct i2c_client *i2c,
* However we must pass something to devm_regmap_init_i2c()
* so use S5M-like regmap config even though it wouldn't work.
*/
regmap_rtc = &sec_rtc_regmap_config;
regmap_rtc = &s5m_rtc_regmap_config;
break;
case S2MPS14X:
regmap = &s2mps14_regmap_config;
regmap_rtc = &s2mps14_rtc_regmap_config;
break;
case S5M8763X:
regmap = &s5m8763_regmap_config;
regmap_rtc = &sec_rtc_regmap_config;
regmap_rtc = &s5m_rtc_regmap_config;
break;
case S5M8767X:
regmap = &s5m8767_regmap_config;
regmap_rtc = &sec_rtc_regmap_config;
regmap_rtc = &s5m_rtc_regmap_config;
break;
default:
regmap = &sec_regmap_config;
regmap_rtc = &sec_rtc_regmap_config;
regmap_rtc = &s5m_rtc_regmap_config;
break;
}

Expand Down Expand Up @@ -298,6 +332,10 @@ static int sec_pmic_probe(struct i2c_client *i2c,
ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs,
ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL);
break;
case S2MPS14X:
ret = mfd_add_devices(sec_pmic->dev, -1, s2mps14_devs,
ARRAY_SIZE(s2mps14_devs), NULL, 0, NULL);
break;
default:
/* If this happens the probe function is problem */
BUG();
Expand Down
89 changes: 88 additions & 1 deletion drivers/mfd/sec-irq.c
View file
Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
/*
* sec-irq.c
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd
* Copyright (c) 2011-2014 Samsung Electronics Co., Ltd
* http://www.samsung.com
*
* This program is free software; you can redistribute it and/or modify it
Expand All @@ -19,6 +19,7 @@
#include <linux/mfd/samsung/core.h>
#include <linux/mfd/samsung/irq.h>
#include <linux/mfd/samsung/s2mps11.h>
#include <linux/mfd/samsung/s2mps14.h>
#include <linux/mfd/samsung/s5m8763.h>
#include <linux/mfd/samsung/s5m8767.h>

Expand Down Expand Up @@ -89,6 +90,76 @@ static const struct regmap_irq s2mps11_irqs[] = {
},
};

static const struct regmap_irq s2mps14_irqs[] = {
[S2MPS14_IRQ_PWRONF] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_PWRONF_MASK,
},
[S2MPS14_IRQ_PWRONR] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_PWRONR_MASK,
},
[S2MPS14_IRQ_JIGONBF] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_JIGONBF_MASK,
},
[S2MPS14_IRQ_JIGONBR] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_JIGONBR_MASK,
},
[S2MPS14_IRQ_ACOKBF] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_ACOKBF_MASK,
},
[S2MPS14_IRQ_ACOKBR] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_ACOKBR_MASK,
},
[S2MPS14_IRQ_PWRON1S] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_PWRON1S_MASK,
},
[S2MPS14_IRQ_MRB] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_MRB_MASK,
},
[S2MPS14_IRQ_RTC60S] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_RTC60S_MASK,
},
[S2MPS14_IRQ_RTCA1] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_RTCA1_MASK,
},
[S2MPS14_IRQ_RTCA0] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_RTCA0_MASK,
},
[S2MPS14_IRQ_SMPL] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_SMPL_MASK,
},
[S2MPS14_IRQ_RTC1S] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_RTC1S_MASK,
},
[S2MPS14_IRQ_WTSR] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_WTSR_MASK,
},
[S2MPS14_IRQ_INT120C] = {
.reg_offset = 2,
.mask = S2MPS11_IRQ_INT120C_MASK,
},
[S2MPS14_IRQ_INT140C] = {
.reg_offset = 2,
.mask = S2MPS11_IRQ_INT140C_MASK,
},
[S2MPS14_IRQ_TSD] = {
.reg_offset = 2,
.mask = S2MPS14_IRQ_TSD_MASK,
},
};

static const struct regmap_irq s5m8767_irqs[] = {
[S5M8767_IRQ_PWRR] = {
Expand Down Expand Up @@ -246,6 +317,16 @@ static const struct regmap_irq_chip s2mps11_irq_chip = {
.ack_base = S2MPS11_REG_INT1,
};

static const struct regmap_irq_chip s2mps14_irq_chip = {
.name = "s2mps14",
.irqs = s2mps14_irqs,
.num_irqs = ARRAY_SIZE(s2mps14_irqs),
.num_regs = 3,
.status_base = S2MPS14_REG_INT1,
.mask_base = S2MPS14_REG_INT1M,
.ack_base = S2MPS14_REG_INT1,
};

static const struct regmap_irq_chip s5m8767_irq_chip = {
.name = "s5m8767",
.irqs = s5m8767_irqs,
Expand Down Expand Up @@ -297,6 +378,12 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
sec_pmic->irq_base, &s2mps11_irq_chip,
&sec_pmic->irq_data);
break;
case S2MPS14X:
ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
sec_pmic->irq_base, &s2mps14_irq_chip,
&sec_pmic->irq_data);
break;
default:
dev_err(sec_pmic->dev, "Unknown device type %d\n",
sec_pmic->device_type);
Expand Down
1 change: 1 addition & 0 deletions include/linux/mfd/samsung/core.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ enum sec_device_type {
S5M8763X,
S5M8767X,
S2MPS11X,
S2MPS14X,
};

/**
Expand Down
27 changes: 27 additions & 0 deletions include/linux/mfd/samsung/irq.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,33 @@ enum s2mps11_irq {
#define S2MPS11_IRQ_INT120C_MASK (1 << 0)
#define S2MPS11_IRQ_INT140C_MASK (1 << 1)

enum s2mps14_irq {
S2MPS14_IRQ_PWRONF,
S2MPS14_IRQ_PWRONR,
S2MPS14_IRQ_JIGONBF,
S2MPS14_IRQ_JIGONBR,
S2MPS14_IRQ_ACOKBF,
S2MPS14_IRQ_ACOKBR,
S2MPS14_IRQ_PWRON1S,
S2MPS14_IRQ_MRB,

S2MPS14_IRQ_RTC60S,
S2MPS14_IRQ_RTCA1,
S2MPS14_IRQ_RTCA0,
S2MPS14_IRQ_SMPL,
S2MPS14_IRQ_RTC1S,
S2MPS14_IRQ_WTSR,

S2MPS14_IRQ_INT120C,
S2MPS14_IRQ_INT140C,
S2MPS14_IRQ_TSD,

S2MPS14_IRQ_NR,
};

/* Masks for interrupts are the same as in s2mps11 */
#define S2MPS14_IRQ_TSD_MASK (1 << 2)

enum s5m8767_irq {
S5M8767_IRQ_PWRR,
S5M8767_IRQ_PWRF,
Expand Down
55 changes: 49 additions & 6 deletions include/linux/mfd/samsung/rtc.h
View file
Original file line number Diff line number Diff line change
@@ -1,12 +1,17 @@
/* rtc.h
/* rtc.h
*
* Copyright (c) 2011 Samsung Electronics Co., Ltd
* Copyright (c) 2011-2014 Samsung Electronics Co., Ltd
* http://www.samsung.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 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.
*
*/

Expand Down Expand Up @@ -47,6 +52,37 @@ enum sec_rtc_reg {
SEC_RTC_REG_MAX,
};

enum s2mps_rtc_reg {
S2MPS_RTC_CTRL,
S2MPS_WTSR_SMPL_CNTL,
S2MPS_RTC_UDR_CON,
S2MPS_RSVD,
S2MPS_RTC_SEC,
S2MPS_RTC_MIN,
S2MPS_RTC_HOUR,
S2MPS_RTC_WEEKDAY,
S2MPS_RTC_DATE,
S2MPS_RTC_MONTH,
S2MPS_RTC_YEAR,
S2MPS_ALARM0_SEC,
S2MPS_ALARM0_MIN,
S2MPS_ALARM0_HOUR,
S2MPS_ALARM0_WEEKDAY,
S2MPS_ALARM0_DATE,
S2MPS_ALARM0_MONTH,
S2MPS_ALARM0_YEAR,
S2MPS_ALARM1_SEC,
S2MPS_ALARM1_MIN,
S2MPS_ALARM1_HOUR,
S2MPS_ALARM1_WEEKDAY,
S2MPS_ALARM1_DATE,
S2MPS_ALARM1_MONTH,
S2MPS_ALARM1_YEAR,
S2MPS_OFFSRC,

S2MPS_RTC_REG_MAX,
};

#define RTC_I2C_ADDR (0x0C >> 1)

#define HOUR_12 (1 << 7)
Expand All @@ -56,6 +92,9 @@ enum sec_rtc_reg {
#define ALARM1_STATUS (1 << 2)
#define UPDATE_AD (1 << 0)

#define S2MPS_ALARM0_STATUS (1 << 2)
#define S2MPS_ALARM1_STATUS (1 << 1)

/* RTC Control Register */
#define BCD_EN_SHIFT 0
#define BCD_EN_MASK (1 << BCD_EN_SHIFT)
Expand All @@ -64,6 +103,10 @@ enum sec_rtc_reg {
/* RTC Update Register1 */
#define RTC_UDR_SHIFT 0
#define RTC_UDR_MASK (1 << RTC_UDR_SHIFT)
#define S2MPS_RTC_WUDR_SHIFT 4
#define S2MPS_RTC_WUDR_MASK (1 << S2MPS_RTC_WUDR_SHIFT)
#define S2MPS_RTC_RUDR_SHIFT 0
#define S2MPS_RTC_RUDR_MASK (1 << S2MPS_RTC_RUDR_SHIFT)
#define RTC_TCON_SHIFT 1
#define RTC_TCON_MASK (1 << RTC_TCON_SHIFT)
#define RTC_TIME_EN_SHIFT 3
Expand Down
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