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mfd: sec-core: Add support for S2MPU02 device

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Add support for Samsung S2MPU02 PMIC device to the MFD sec-core driver.
The S2MPU02 device includes PMIC/RTC/Clock devices.

Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Chanwoo Choi 2014-06-25 16:14:44 +09:00 committed by Lee Jones
parent 10f9edaeaa
commit 54e8827d5f
5 changed files with 352 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
drivers/mfd/sec-core.c
View File

@ -89,6 +89,15 @@ static const struct mfd_cell s2mpa01_devs[] = {
},
};
static const struct mfd_cell s2mpu02_devs[] = {
{ .name = "s2mpu02-pmic", },
{ .name = "s2mpu02-rtc", },
{
.name = "s2mpu02-clk",
.of_compatible = "samsung,s2mpu02-clk",
}
};
#ifdef CONFIG_OF
static const struct of_device_id sec_dt_match[] = {
{ .compatible = "samsung,s5m8767-pmic",
@ -102,6 +111,9 @@ static const struct of_device_id sec_dt_match[] = {
}, {
.compatible = "samsung,s2mpa01-pmic",
.data = (void *)S2MPA01,
}, {
.compatible = "samsung,s2mpu02-pmic",
.data = (void *)S2MPU02,
}, {
/* Sentinel */
},
@ -250,9 +262,10 @@ static int sec_pmic_probe(struct i2c_client *i2c,
{
struct sec_platform_data *pdata = dev_get_platdata(&i2c->dev);
const struct regmap_config *regmap;
const struct mfd_cell *sec_devs;
struct sec_pmic_dev *sec_pmic;
unsigned long device_type;
int ret;
int ret, num_sec_devs;
sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev),
GFP_KERNEL);
@ -319,34 +332,39 @@ static int sec_pmic_probe(struct i2c_client *i2c,
switch (sec_pmic->device_type) {
case S5M8751X:
ret = mfd_add_devices(sec_pmic->dev, -1, s5m8751_devs,
ARRAY_SIZE(s5m8751_devs), NULL, 0, NULL);
sec_devs = s5m8751_devs;
num_sec_devs = ARRAY_SIZE(s5m8751_devs);
break;
case S5M8763X:
ret = mfd_add_devices(sec_pmic->dev, -1, s5m8763_devs,
ARRAY_SIZE(s5m8763_devs), NULL, 0, NULL);
sec_devs = s5m8763_devs;
num_sec_devs = ARRAY_SIZE(s5m8763_devs);
break;
case S5M8767X:
ret = mfd_add_devices(sec_pmic->dev, -1, s5m8767_devs,
ARRAY_SIZE(s5m8767_devs), NULL, 0, NULL);
sec_devs = s5m8767_devs;
num_sec_devs = ARRAY_SIZE(s5m8767_devs);
break;
case S2MPA01:
ret = mfd_add_devices(sec_pmic->dev, -1, s2mpa01_devs,
ARRAY_SIZE(s2mpa01_devs), NULL, 0, NULL);
sec_devs = s2mpa01_devs;
num_sec_devs = ARRAY_SIZE(s2mpa01_devs);
break;
case S2MPS11X:
ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs,
ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL);
sec_devs = s2mps11_devs;
num_sec_devs = ARRAY_SIZE(s2mps11_devs);
break;
case S2MPS14X:
ret = mfd_add_devices(sec_pmic->dev, -1, s2mps14_devs,
ARRAY_SIZE(s2mps14_devs), NULL, 0, NULL);
sec_devs = s2mps14_devs;
num_sec_devs = ARRAY_SIZE(s2mps14_devs);
break;
case S2MPU02:
sec_devs = s2mpu02_devs;
num_sec_devs = ARRAY_SIZE(s2mpu02_devs);
break;
default:
/* If this happens the probe function is problem */
BUG();
}
ret = mfd_add_devices(sec_pmic->dev, -1, sec_devs, num_sec_devs, NULL,
0, NULL);
if (ret)
goto err_mfd;

110
drivers/mfd/sec-irq.c
View File

@ -20,6 +20,7 @@
#include <linux/mfd/samsung/irq.h>
#include <linux/mfd/samsung/s2mps11.h>
#include <linux/mfd/samsung/s2mps14.h>
#include <linux/mfd/samsung/s2mpu02.h>
#include <linux/mfd/samsung/s5m8763.h>
#include <linux/mfd/samsung/s5m8767.h>
@ -161,6 +162,77 @@ static const struct regmap_irq s2mps14_irqs[] = {
},
};
static const struct regmap_irq s2mpu02_irqs[] = {
[S2MPU02_IRQ_PWRONF] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_PWRONF_MASK,
},
[S2MPU02_IRQ_PWRONR] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_PWRONR_MASK,
},
[S2MPU02_IRQ_JIGONBF] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_JIGONBF_MASK,
},
[S2MPU02_IRQ_JIGONBR] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_JIGONBR_MASK,
},
[S2MPU02_IRQ_ACOKBF] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_ACOKBF_MASK,
},
[S2MPU02_IRQ_ACOKBR] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_ACOKBR_MASK,
},
[S2MPU02_IRQ_PWRON1S] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_PWRON1S_MASK,
},
[S2MPU02_IRQ_MRB] = {
.reg_offset = 0,
.mask = S2MPS11_IRQ_MRB_MASK,
},
[S2MPU02_IRQ_RTC60S] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_RTC60S_MASK,
},
[S2MPU02_IRQ_RTCA1] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_RTCA1_MASK,
},
[S2MPU02_IRQ_RTCA0] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_RTCA0_MASK,
},
[S2MPU02_IRQ_SMPL] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_SMPL_MASK,
},
[S2MPU02_IRQ_RTC1S] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_RTC1S_MASK,
},
[S2MPU02_IRQ_WTSR] = {
.reg_offset = 1,
.mask = S2MPS11_IRQ_WTSR_MASK,
},
[S2MPU02_IRQ_INT120C] = {
.reg_offset = 2,
.mask = S2MPS11_IRQ_INT120C_MASK,
},
[S2MPU02_IRQ_INT140C] = {
.reg_offset = 2,
.mask = S2MPS11_IRQ_INT140C_MASK,
},
[S2MPU02_IRQ_TSD] = {
.reg_offset = 2,
.mask = S2MPS14_IRQ_TSD_MASK,
},
};
static const struct regmap_irq s5m8767_irqs[] = {
[S5M8767_IRQ_PWRR] = {
.reg_offset = 0,
@ -327,6 +399,16 @@ static const struct regmap_irq_chip s2mps14_irq_chip = {
.ack_base = S2MPS14_REG_INT1,
};
static const struct regmap_irq_chip s2mpu02_irq_chip = {
.name = "s2mpu02",
.irqs = s2mpu02_irqs,
.num_irqs = ARRAY_SIZE(s2mpu02_irqs),
.num_regs = 3,
.status_base = S2MPU02_REG_INT1,
.mask_base = S2MPU02_REG_INT1M,
.ack_base = S2MPU02_REG_INT1,
};
static const struct regmap_irq_chip s5m8767_irq_chip = {
.name = "s5m8767",
.irqs = s5m8767_irqs,
@ -351,6 +433,7 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
{
int ret = 0;
int type = sec_pmic->device_type;
const struct regmap_irq_chip *sec_irq_chip;
if (!sec_pmic->irq) {
dev_warn(sec_pmic->dev,
@ -361,28 +444,19 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
switch (type) {
case S5M8763X:
ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
sec_pmic->irq_base, &s5m8763_irq_chip,
&sec_pmic->irq_data);
sec_irq_chip = &s5m8763_irq_chip;
break;
case S5M8767X:
ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
sec_pmic->irq_base, &s5m8767_irq_chip,
&sec_pmic->irq_data);
sec_irq_chip = &s5m8767_irq_chip;
break;
case S2MPS11X:
ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
sec_pmic->irq_base, &s2mps11_irq_chip,
&sec_pmic->irq_data);
sec_irq_chip = &s2mps11_irq_chip;
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);
sec_irq_chip = &s2mps14_irq_chip;
break;
case S2MPU02:
sec_irq_chip = &s2mpu02_irq_chip;
break;
default:
dev_err(sec_pmic->dev, "Unknown device type %lu\n",
@ -390,6 +464,10 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
return -EINVAL;
}
ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
sec_pmic->irq_base, sec_irq_chip,
&sec_pmic->irq_data);
if (ret != 0) {
dev_err(sec_pmic->dev, "Failed to register IRQ chip: %d\n", ret);
return ret;

1
include/linux/mfd/samsung/core.h
View File

@ -21,6 +21,7 @@ enum sec_device_type {
S2MPA01,
S2MPS11X,
S2MPS14X,
S2MPU02,
};
/**

24
include/linux/mfd/samsung/irq.h
View File

@ -129,6 +129,30 @@ enum s2mps14_irq {
S2MPS14_IRQ_NR,
};
enum s2mpu02_irq {
S2MPU02_IRQ_PWRONF,
S2MPU02_IRQ_PWRONR,
S2MPU02_IRQ_JIGONBF,
S2MPU02_IRQ_JIGONBR,
S2MPU02_IRQ_ACOKBF,
S2MPU02_IRQ_ACOKBR,
S2MPU02_IRQ_PWRON1S,
S2MPU02_IRQ_MRB,
S2MPU02_IRQ_RTC60S,
S2MPU02_IRQ_RTCA1,
S2MPU02_IRQ_RTCA0,
S2MPU02_IRQ_SMPL,
S2MPU02_IRQ_RTC1S,
S2MPU02_IRQ_WTSR,
S2MPU02_IRQ_INT120C,
S2MPU02_IRQ_INT140C,
S2MPU02_IRQ_TSD,
S2MPU02_IRQ_NR,
};
/* Masks for interrupts are the same as in s2mps11 */
#define S2MPS14_IRQ_TSD_MASK (1 << 2)

201
include/linux/mfd/samsung/s2mpu02.h Normal file
View File

@ -0,0 +1,201 @@
/*
* s2mpu02.h
*
* Copyright (c) 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 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.
*
*/
#ifndef __LINUX_MFD_S2MPU02_H
#define __LINUX_MFD_S2MPU02_H
/* S2MPU02 registers */
enum S2MPU02_reg {
S2MPU02_REG_ID,
S2MPU02_REG_INT1,
S2MPU02_REG_INT2,
S2MPU02_REG_INT3,
S2MPU02_REG_INT1M,
S2MPU02_REG_INT2M,
S2MPU02_REG_INT3M,
S2MPU02_REG_ST1,
S2MPU02_REG_ST2,
S2MPU02_REG_PWRONSRC,
S2MPU02_REG_OFFSRC,
S2MPU02_REG_BU_CHG,
S2MPU02_REG_RTCCTRL,
S2MPU02_REG_PMCTRL1,
S2MPU02_REG_RSVD1,
S2MPU02_REG_RSVD2,
S2MPU02_REG_RSVD3,
S2MPU02_REG_RSVD4,
S2MPU02_REG_RSVD5,
S2MPU02_REG_RSVD6,
S2MPU02_REG_RSVD7,
S2MPU02_REG_WRSTEN,
S2MPU02_REG_RSVD8,
S2MPU02_REG_RSVD9,
S2MPU02_REG_RSVD10,
S2MPU02_REG_B1CTRL1,
S2MPU02_REG_B1CTRL2,
S2MPU02_REG_B2CTRL1,
S2MPU02_REG_B2CTRL2,
S2MPU02_REG_B3CTRL1,
S2MPU02_REG_B3CTRL2,
S2MPU02_REG_B4CTRL1,
S2MPU02_REG_B4CTRL2,
S2MPU02_REG_B5CTRL1,
S2MPU02_REG_B5CTRL2,
S2MPU02_REG_B5CTRL3,
S2MPU02_REG_B5CTRL4,
S2MPU02_REG_B5CTRL5,
S2MPU02_REG_B6CTRL1,
S2MPU02_REG_B6CTRL2,
S2MPU02_REG_B7CTRL1,
S2MPU02_REG_B7CTRL2,
S2MPU02_REG_RAMP1,
S2MPU02_REG_RAMP2,
S2MPU02_REG_L1CTRL,
S2MPU02_REG_L2CTRL1,
S2MPU02_REG_L2CTRL2,
S2MPU02_REG_L2CTRL3,
S2MPU02_REG_L2CTRL4,
S2MPU02_REG_L3CTRL,
S2MPU02_REG_L4CTRL,
S2MPU02_REG_L5CTRL,
S2MPU02_REG_L6CTRL,
S2MPU02_REG_L7CTRL,
S2MPU02_REG_L8CTRL,
S2MPU02_REG_L9CTRL,
S2MPU02_REG_L10CTRL,
S2MPU02_REG_L11CTRL,
S2MPU02_REG_L12CTRL,
S2MPU02_REG_L13CTRL,
S2MPU02_REG_L14CTRL,
S2MPU02_REG_L15CTRL,
S2MPU02_REG_L16CTRL,
S2MPU02_REG_L17CTRL,
S2MPU02_REG_L18CTRL,
S2MPU02_REG_L19CTRL,
S2MPU02_REG_L20CTRL,
S2MPU02_REG_L21CTRL,
S2MPU02_REG_L22CTRL,
S2MPU02_REG_L23CTRL,
S2MPU02_REG_L24CTRL,
S2MPU02_REG_L25CTRL,
S2MPU02_REG_L26CTRL,
S2MPU02_REG_L27CTRL,
S2MPU02_REG_L28CTRL,
S2MPU02_REG_LDODSCH1,
S2MPU02_REG_LDODSCH2,
S2MPU02_REG_LDODSCH3,
S2MPU02_REG_LDODSCH4,
S2MPU02_REG_SELMIF,
S2MPU02_REG_RSVD11,
S2MPU02_REG_RSVD12,
S2MPU02_REG_RSVD13,
S2MPU02_REG_DVSSEL,
S2MPU02_REG_DVSPTR,
S2MPU02_REG_DVSDATA,
};
/* S2MPU02 regulator ids */
enum S2MPU02_regulators {
S2MPU02_LDO1,
S2MPU02_LDO2,
S2MPU02_LDO3,
S2MPU02_LDO4,
S2MPU02_LDO5,
S2MPU02_LDO6,
S2MPU02_LDO7,
S2MPU02_LDO8,
S2MPU02_LDO9,
S2MPU02_LDO10,
S2MPU02_LDO11,
S2MPU02_LDO12,
S2MPU02_LDO13,
S2MPU02_LDO14,
S2MPU02_LDO15,
S2MPU02_LDO16,
S2MPU02_LDO17,
S2MPU02_LDO18,
S2MPU02_LDO19,
S2MPU02_LDO20,
S2MPU02_LDO21,
S2MPU02_LDO22,
S2MPU02_LDO23,
S2MPU02_LDO24,
S2MPU02_LDO25,
S2MPU02_LDO26,
S2MPU02_LDO27,
S2MPU02_LDO28,
S2MPU02_BUCK1,
S2MPU02_BUCK2,
S2MPU02_BUCK3,
S2MPU02_BUCK4,
S2MPU02_BUCK5,
S2MPU02_BUCK6,
S2MPU02_BUCK7,
S2MPU02_REGULATOR_MAX,
};
/* Regulator constraints for BUCKx */
#define S2MPU02_BUCK1234_MIN_600MV 600000
#define S2MPU02_BUCK5_MIN_1081_25MV 1081250
#define S2MPU02_BUCK6_MIN_1700MV 1700000
#define S2MPU02_BUCK7_MIN_900MV 900000
#define S2MPU02_BUCK1234_STEP_6_25MV 6250
#define S2MPU02_BUCK5_STEP_6_25MV 6250
#define S2MPU02_BUCK6_STEP_2_50MV 2500
#define S2MPU02_BUCK7_STEP_6_25MV 6250
#define S2MPU02_BUCK1234_START_SEL 0x00
#define S2MPU02_BUCK5_START_SEL 0x4D
#define S2MPU02_BUCK6_START_SEL 0x28
#define S2MPU02_BUCK7_START_SEL 0x30
#define S2MPU02_BUCK_RAMP_DELAY 12500
/* Regulator constraints for different types of LDOx */
#define S2MPU02_LDO_MIN_900MV 900000
#define S2MPU02_LDO_MIN_1050MV 1050000
#define S2MPU02_LDO_MIN_1600MV 1600000
#define S2MPU02_LDO_STEP_12_5MV 12500
#define S2MPU02_LDO_STEP_25MV 25000
#define S2MPU02_LDO_STEP_50MV 50000
#define S2MPU02_LDO_GROUP1_START_SEL 0x8
#define S2MPU02_LDO_GROUP2_START_SEL 0xA
#define S2MPU02_LDO_GROUP3_START_SEL 0x10
#define S2MPU02_LDO_VSEL_MASK 0x3F
#define S2MPU02_BUCK_VSEL_MASK 0xFF
#define S2MPU02_ENABLE_MASK (0x03 << S2MPU02_ENABLE_SHIFT)
#define S2MPU02_ENABLE_SHIFT 6
/* On/Off controlled by PWREN */
#define S2MPU02_ENABLE_SUSPEND (0x01 << S2MPU02_ENABLE_SHIFT)
#define S2MPU02_DISABLE_SUSPEND (0x11 << S2MPU02_ENABLE_SHIFT)
#define S2MPU02_LDO_N_VOLTAGES (S2MPU02_LDO_VSEL_MASK + 1)
#define S2MPU02_BUCK_N_VOLTAGES (S2MPU02_BUCK_VSEL_MASK + 1)
/* RAMP delay for BUCK1234*/
#define S2MPU02_BUCK1_RAMP_SHIFT 6
#define S2MPU02_BUCK2_RAMP_SHIFT 4
#define S2MPU02_BUCK3_RAMP_SHIFT 2
#define S2MPU02_BUCK4_RAMP_SHIFT 0
#define S2MPU02_BUCK1234_RAMP_MASK 0x3
#endif /* __LINUX_MFD_S2MPU02_H */