[PATCHv8 1/4] mfd: sec-core: Add support for S2MPU02 device
From: Chanwoo Choi
Date: Wed Jun 25 2014 - 03:15:00 EST
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@xxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
---
drivers/mfd/sec-core.c | 46 ++++++---
drivers/mfd/sec-irq.c | 110 +++++++++++++++++---
include/linux/mfd/samsung/core.h | 1 +
include/linux/mfd/samsung/irq.h | 24 +++++
include/linux/mfd/samsung/s2mpu02.h | 201 ++++++++++++++++++++++++++++++++++++
5 files changed, 352 insertions(+), 30 deletions(-)
create mode 100644 include/linux/mfd/samsung/s2mpu02.h
diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index be06d0a..15ba847 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -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",
@@ -103,6 +112,9 @@ 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;
diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c
index 654e2c1..f9a5786 100644
--- a/drivers/mfd/sec-irq.c
+++ b/drivers/mfd/sec-irq.c
@@ -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;
diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h
index 47d8424..b5f73de 100644
--- a/include/linux/mfd/samsung/core.h
+++ b/include/linux/mfd/samsung/core.h
@@ -21,6 +21,7 @@ enum sec_device_type {
S2MPA01,
S2MPS11X,
S2MPS14X,
+ S2MPU02,
};
/**
diff --git a/include/linux/mfd/samsung/irq.h b/include/linux/mfd/samsung/irq.h
index 1224f44..f35af73 100644
--- a/include/linux/mfd/samsung/irq.h
+++ b/include/linux/mfd/samsung/irq.h
@@ -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)
diff --git a/include/linux/mfd/samsung/s2mpu02.h b/include/linux/mfd/samsung/s2mpu02.h
new file mode 100644
index 0000000..47ae9bc
--- /dev/null
+++ b/include/linux/mfd/samsung/s2mpu02.h
@@ -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 */
--
1.8.0
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