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-rw-r--r--drivers/extcon/Kconfig38
-rw-r--r--drivers/extcon/Makefile7
-rw-r--r--drivers/extcon/extcon-adc-jack.c1
-rw-r--r--drivers/extcon/extcon-arizona.c74
-rw-r--r--drivers/extcon/extcon-class.c2
-rw-r--r--drivers/extcon/extcon-gpio.c1
-rw-r--r--drivers/extcon/extcon-max14577.c5
-rw-r--r--drivers/extcon/extcon-max77693.c41
-rw-r--r--drivers/extcon/extcon-max8997.c5
-rw-r--r--drivers/extcon/extcon-palmas.c3
-rw-r--r--drivers/extcon/extcon-sm5502.c724
-rw-r--r--drivers/mfd/Kconfig1
-rw-r--r--drivers/mfd/Makefile2
-rw-r--r--drivers/mfd/max77693-irq.c336
-rw-r--r--drivers/mfd/max77693.c210
-rw-r--r--drivers/regulator/max77693.c12
16 files changed, 978 insertions, 484 deletions
diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig
index aebde489c291..6f2f4727de2c 100644
--- a/drivers/extcon/Kconfig
+++ b/drivers/extcon/Kconfig
@@ -14,6 +14,20 @@ if EXTCON
comment "Extcon Device Drivers"
+config EXTCON_ADC_JACK
+ tristate "ADC Jack extcon support"
+ depends on IIO
+ help
+ Say Y here to enable extcon device driver based on ADC values.
+
+config EXTCON_ARIZONA
+ tristate "Wolfson Arizona EXTCON support"
+ depends on MFD_ARIZONA && INPUT && SND_SOC
+ help
+ Say Y here to enable support for external accessory detection
+ with Wolfson Arizona devices. These are audio CODECs with
+ advanced audio accessory detection support.
+
config EXTCON_GPIO
tristate "GPIO extcon support"
depends on GPIOLIB
@@ -21,12 +35,6 @@ config EXTCON_GPIO
Say Y here to enable GPIO based extcon support. Note that GPIO
extcon supports single state per extcon instance.
-config EXTCON_ADC_JACK
- tristate "ADC Jack extcon support"
- depends on IIO
- help
- Say Y here to enable extcon device driver based on ADC values.
-
config EXTCON_MAX14577
tristate "MAX14577/77836 EXTCON Support"
depends on MFD_MAX14577
@@ -55,14 +63,6 @@ config EXTCON_MAX8997
Maxim MAX8997 PMIC. The MAX8997 MUIC is a USB port accessory
detector and switch.
-config EXTCON_ARIZONA
- tristate "Wolfson Arizona EXTCON support"
- depends on MFD_ARIZONA && INPUT && SND_SOC
- help
- Say Y here to enable support for external accessory detection
- with Wolfson Arizona devices. These are audio CODECs with
- advanced audio accessory detection support.
-
config EXTCON_PALMAS
tristate "Palmas USB EXTCON support"
depends on MFD_PALMAS
@@ -70,4 +70,14 @@ config EXTCON_PALMAS
Say Y here to enable support for USB peripheral and USB host
detection by palmas usb.
+config EXTCON_SM5502
+ tristate "SM5502 EXTCON support"
+ select IRQ_DOMAIN
+ select REGMAP_I2C
+ select REGMAP_IRQ
+ help
+ If you say yes here you get support for the MUIC device of
+ Silicon Mitus SM5502. The SM5502 is a USB port accessory
+ detector and switch.
+
endif # MULTISTATE_SWITCH
diff --git a/drivers/extcon/Makefile b/drivers/extcon/Makefile
index bf7861ec0906..b38546eb522a 100644
--- a/drivers/extcon/Makefile
+++ b/drivers/extcon/Makefile
@@ -1,12 +1,13 @@
-#
+
# Makefile for external connector class (extcon) devices
#
obj-$(CONFIG_EXTCON) += extcon-class.o
-obj-$(CONFIG_EXTCON_GPIO) += extcon-gpio.o
obj-$(CONFIG_EXTCON_ADC_JACK) += extcon-adc-jack.o
+obj-$(CONFIG_EXTCON_ARIZONA) += extcon-arizona.o
+obj-$(CONFIG_EXTCON_GPIO) += extcon-gpio.o
obj-$(CONFIG_EXTCON_MAX14577) += extcon-max14577.o
obj-$(CONFIG_EXTCON_MAX77693) += extcon-max77693.o
obj-$(CONFIG_EXTCON_MAX8997) += extcon-max8997.o
-obj-$(CONFIG_EXTCON_ARIZONA) += extcon-arizona.o
obj-$(CONFIG_EXTCON_PALMAS) += extcon-palmas.o
+obj-$(CONFIG_EXTCON_SM5502) += extcon-sm5502.o
diff --git a/drivers/extcon/extcon-adc-jack.c b/drivers/extcon/extcon-adc-jack.c
index e18f95be3733..d860229e4de1 100644
--- a/drivers/extcon/extcon-adc-jack.c
+++ b/drivers/extcon/extcon-adc-jack.c
@@ -112,7 +112,6 @@ static int adc_jack_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "failed to allocate extcon device\n");
return -ENOMEM;
}
- data->edev->dev.parent = &pdev->dev;
data->edev->name = pdata->name;
/* Check the length of array and set num_cables */
diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
index 6c84e3d12043..ba51588cc000 100644
--- a/drivers/extcon/extcon-arizona.c
+++ b/drivers/extcon/extcon-arizona.c
@@ -39,6 +39,11 @@
#define ARIZONA_ACCDET_MODE_HPL 1
#define ARIZONA_ACCDET_MODE_HPR 2
+#define ARIZONA_MICD_CLAMP_MODE_JDL 0x4
+#define ARIZONA_MICD_CLAMP_MODE_JDH 0x5
+#define ARIZONA_MICD_CLAMP_MODE_JDL_GP5H 0x9
+#define ARIZONA_MICD_CLAMP_MODE_JDH_GP5H 0xb
+
#define ARIZONA_HPDET_MAX 10000
#define HPDET_DEBOUNCE 500
@@ -324,14 +329,17 @@ static void arizona_stop_mic(struct arizona_extcon_info *info)
}
static struct {
+ unsigned int threshold;
unsigned int factor_a;
unsigned int factor_b;
} arizona_hpdet_b_ranges[] = {
- { 5528, 362464 },
- { 11084, 6186851 },
- { 11065, 65460395 },
+ { 100, 5528, 362464 },
+ { 169, 11084, 6186851 },
+ { 169, 11065, 65460395 },
};
+#define ARIZONA_HPDET_B_RANGE_MAX 0x3fb
+
static struct {
int min;
int max;
@@ -386,7 +394,8 @@ static int arizona_hpdet_read(struct arizona_extcon_info *info)
>> ARIZONA_HP_IMPEDANCE_RANGE_SHIFT;
if (range < ARRAY_SIZE(arizona_hpdet_b_ranges) - 1 &&
- (val < 100 || val >= 0x3fb)) {
+ (val < arizona_hpdet_b_ranges[range].threshold ||
+ val >= ARIZONA_HPDET_B_RANGE_MAX)) {
range++;
dev_dbg(arizona->dev, "Moving to HPDET range %d\n",
range);
@@ -399,7 +408,8 @@ static int arizona_hpdet_read(struct arizona_extcon_info *info)
}
/* If we go out of range report top of range */
- if (val < 100 || val >= 0x3fb) {
+ if (val < arizona_hpdet_b_ranges[range].threshold ||
+ val >= ARIZONA_HPDET_B_RANGE_MAX) {
dev_dbg(arizona->dev, "Measurement out of range\n");
return ARIZONA_HPDET_MAX;
}
@@ -664,9 +674,8 @@ err:
ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC);
/* Just report headphone */
- ret = extcon_update_state(info->edev,
- 1 << ARIZONA_CABLE_HEADPHONE,
- 1 << ARIZONA_CABLE_HEADPHONE);
+ ret = extcon_set_cable_state_(info->edev,
+ ARIZONA_CABLE_HEADPHONE, true);
if (ret != 0)
dev_err(arizona->dev, "Failed to report headphone: %d\n", ret);
@@ -723,9 +732,8 @@ err:
ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC);
/* Just report headphone */
- ret = extcon_update_state(info->edev,
- 1 << ARIZONA_CABLE_HEADPHONE,
- 1 << ARIZONA_CABLE_HEADPHONE);
+ ret = extcon_set_cable_state_(info->edev,
+ ARIZONA_CABLE_HEADPHONE, true);
if (ret != 0)
dev_err(arizona->dev, "Failed to report headphone: %d\n", ret);
@@ -812,16 +820,15 @@ static void arizona_micd_detect(struct work_struct *work)
if (info->detecting && (val & ARIZONA_MICD_LVL_8)) {
arizona_identify_headphone(info);
- ret = extcon_update_state(info->edev,
- 1 << ARIZONA_CABLE_MICROPHONE,
- 1 << ARIZONA_CABLE_MICROPHONE);
+ ret = extcon_set_cable_state_(info->edev,
+ ARIZONA_CABLE_MICROPHONE, true);
if (ret != 0)
dev_err(arizona->dev, "Headset report failed: %d\n",
ret);
/* Don't need to regulate for button detection */
- ret = regulator_allow_bypass(info->micvdd, false);
+ ret = regulator_allow_bypass(info->micvdd, true);
if (ret != 0) {
dev_err(arizona->dev, "Failed to bypass MICVDD: %d\n",
ret);
@@ -962,10 +969,16 @@ static irqreturn_t arizona_jackdet(int irq, void *data)
if (arizona->pdata.jd_gpio5) {
mask = ARIZONA_MICD_CLAMP_STS;
- present = 0;
+ if (arizona->pdata.jd_invert)
+ present = ARIZONA_MICD_CLAMP_STS;
+ else
+ present = 0;
} else {
mask = ARIZONA_JD1_STS;
- present = ARIZONA_JD1_STS;
+ if (arizona->pdata.jd_invert)
+ present = 0;
+ else
+ present = ARIZONA_JD1_STS;
}
ret = regmap_read(arizona->regmap, ARIZONA_AOD_IRQ_RAW_STATUS, &val);
@@ -1096,6 +1109,7 @@ static int arizona_extcon_probe(struct platform_device *pdev)
struct arizona_pdata *pdata = &arizona->pdata;
struct arizona_extcon_info *info;
unsigned int val;
+ unsigned int clamp_mode;
int jack_irq_fall, jack_irq_rise;
int ret, mode, i, j;
@@ -1103,12 +1117,10 @@ static int arizona_extcon_probe(struct platform_device *pdev)
return -EPROBE_DEFER;
info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
- if (!info) {
- dev_err(&pdev->dev, "Failed to allocate memory\n");
+ if (!info)
return -ENOMEM;
- }
- info->micvdd = devm_regulator_get(arizona->dev, "MICVDD");
+ info->micvdd = devm_regulator_get(&pdev->dev, "MICVDD");
if (IS_ERR(info->micvdd)) {
ret = PTR_ERR(info->micvdd);
dev_err(arizona->dev, "Failed to get MICVDD: %d\n", ret);
@@ -1156,7 +1168,6 @@ static int arizona_extcon_probe(struct platform_device *pdev)
return -ENOMEM;
}
info->edev->name = "Headset Jack";
- info->edev->dev.parent = arizona->dev;
ret = devm_extcon_dev_register(&pdev->dev, info->edev);
if (ret < 0) {
@@ -1174,7 +1185,6 @@ static int arizona_extcon_probe(struct platform_device *pdev)
info->input->name = "Headset";
info->input->phys = "arizona/extcon";
- info->input->dev.parent = &pdev->dev;
if (pdata->num_micd_configs) {
info->micd_modes = pdata->micd_configs;
@@ -1305,16 +1315,22 @@ static int arizona_extcon_probe(struct platform_device *pdev)
regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL,
val);
- regmap_update_bits(arizona->regmap,
- ARIZONA_MICD_CLAMP_CONTROL,
- ARIZONA_MICD_CLAMP_MODE_MASK, 0x9);
+ if (arizona->pdata.jd_invert)
+ clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH_GP5H;
+ else
+ clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL_GP5H;
} else {
- regmap_update_bits(arizona->regmap,
- ARIZONA_MICD_CLAMP_CONTROL,
- ARIZONA_MICD_CLAMP_MODE_MASK, 0x4);
+ if (arizona->pdata.jd_invert)
+ clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDH;
+ else
+ clamp_mode = ARIZONA_MICD_CLAMP_MODE_JDL;
}
regmap_update_bits(arizona->regmap,
+ ARIZONA_MICD_CLAMP_CONTROL,
+ ARIZONA_MICD_CLAMP_MODE_MASK, clamp_mode);
+
+ regmap_update_bits(arizona->regmap,
ARIZONA_JACK_DETECT_DEBOUNCE,
ARIZONA_MICD_CLAMP_DB,
ARIZONA_MICD_CLAMP_DB);
diff --git a/drivers/extcon/extcon-class.c b/drivers/extcon/extcon-class.c
index 18d42c0e4581..4c2f2c543bb7 100644
--- a/drivers/extcon/extcon-class.c
+++ b/drivers/extcon/extcon-class.c
@@ -645,6 +645,8 @@ struct extcon_dev *devm_extcon_dev_allocate(struct device *dev,
return edev;
}
+ edev->dev.parent = dev;
+
*ptr = edev;
devres_add(dev, ptr);
diff --git a/drivers/extcon/extcon-gpio.c b/drivers/extcon/extcon-gpio.c
index 645b28356819..5b7ec274cb63 100644
--- a/drivers/extcon/extcon-gpio.c
+++ b/drivers/extcon/extcon-gpio.c
@@ -105,7 +105,6 @@ static int gpio_extcon_probe(struct platform_device *pdev)
return -ENOMEM;
}
extcon_data->edev->name = pdata->name;
- extcon_data->edev->dev.parent = &pdev->dev;
extcon_data->gpio = pdata->gpio;
extcon_data->gpio_active_low = pdata->gpio_active_low;
diff --git a/drivers/extcon/extcon-max14577.c b/drivers/extcon/extcon-max14577.c
index d49e891b5675..7309743d0da1 100644
--- a/drivers/extcon/extcon-max14577.c
+++ b/drivers/extcon/extcon-max14577.c
@@ -692,10 +692,9 @@ static int max14577_muic_probe(struct platform_device *pdev)
u8 id;
info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
- if (!info) {
- dev_err(&pdev->dev, "failed to allocate memory\n");
+ if (!info)
return -ENOMEM;
- }
+
info->dev = &pdev->dev;
info->max14577 = max14577;
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index 2c7c3e191591..77460f2c1ca1 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -255,10 +255,10 @@ static int max77693_muic_set_debounce_time(struct max77693_muic_info *info,
case ADC_DEBOUNCE_TIME_10MS:
case ADC_DEBOUNCE_TIME_25MS:
case ADC_DEBOUNCE_TIME_38_62MS:
- ret = max77693_update_reg(info->max77693->regmap_muic,
+ ret = regmap_update_bits(info->max77693->regmap_muic,
MAX77693_MUIC_REG_CTRL3,
- time << CONTROL3_ADCDBSET_SHIFT,
- CONTROL3_ADCDBSET_MASK);
+ CONTROL3_ADCDBSET_MASK,
+ time << CONTROL3_ADCDBSET_SHIFT);
if (ret) {
dev_err(info->dev, "failed to set ADC debounce time\n");
return ret;
@@ -286,15 +286,15 @@ static int max77693_muic_set_path(struct max77693_muic_info *info,
u8 val, bool attached)
{
int ret = 0;
- u8 ctrl1, ctrl2 = 0;
+ unsigned int ctrl1, ctrl2 = 0;
if (attached)
ctrl1 = val;
else
ctrl1 = CONTROL1_SW_OPEN;
- ret = max77693_update_reg(info->max77693->regmap_muic,
- MAX77693_MUIC_REG_CTRL1, ctrl1, COMP_SW_MASK);
+ ret = regmap_update_bits(info->max77693->regmap_muic,
+ MAX77693_MUIC_REG_CTRL1, COMP_SW_MASK, ctrl1);
if (ret < 0) {
dev_err(info->dev, "failed to update MUIC register\n");
return ret;
@@ -305,9 +305,9 @@ static int max77693_muic_set_path(struct max77693_muic_info *info,
else
ctrl2 |= CONTROL2_LOWPWR_MASK; /* LowPwr=1, CPEn=0 */
- ret = max77693_update_reg(info->max77693->regmap_muic,
- MAX77693_MUIC_REG_CTRL2, ctrl2,
- CONTROL2_LOWPWR_MASK | CONTROL2_CPEN_MASK);
+ ret = regmap_update_bits(info->max77693->regmap_muic,
+ MAX77693_MUIC_REG_CTRL2,
+ CONTROL2_LOWPWR_MASK | CONTROL2_CPEN_MASK, ctrl2);
if (ret < 0) {
dev_err(info->dev, "failed to update MUIC register\n");
return ret;
@@ -969,8 +969,8 @@ static void max77693_muic_irq_work(struct work_struct *work)
if (info->irq == muic_irqs[i].virq)
irq_type = muic_irqs[i].irq;
- ret = max77693_bulk_read(info->max77693->regmap_muic,
- MAX77693_MUIC_REG_STATUS1, 2, info->status);
+ ret = regmap_bulk_read(info->max77693->regmap_muic,
+ MAX77693_MUIC_REG_STATUS1, info->status, 2);
if (ret) {
dev_err(info->dev, "failed to read MUIC register\n");
mutex_unlock(&info->mutex);
@@ -1042,8 +1042,8 @@ static int max77693_muic_detect_accessory(struct max77693_muic_info *info)
mutex_lock(&info->mutex);
/* Read STATUSx register to detect accessory */
- ret = max77693_bulk_read(info->max77693->regmap_muic,
- MAX77693_MUIC_REG_STATUS1, 2, info->status);
+ ret = regmap_bulk_read(info->max77693->regmap_muic,
+ MAX77693_MUIC_REG_STATUS1, info->status, 2);
if (ret) {
dev_err(info->dev, "failed to read MUIC register\n");
mutex_unlock(&info->mutex);
@@ -1095,14 +1095,13 @@ static int max77693_muic_probe(struct platform_device *pdev)
int delay_jiffies;
int ret;
int i;
- u8 id;
+ unsigned int id;
info = devm_kzalloc(&pdev->dev, sizeof(struct max77693_muic_info),
GFP_KERNEL);
- if (!info) {
- dev_err(&pdev->dev, "failed to allocate memory\n");
+ if (!info)
return -ENOMEM;
- }
+
info->dev = &pdev->dev;
info->max77693 = max77693;
if (info->max77693->regmap_muic) {
@@ -1154,7 +1153,8 @@ static int max77693_muic_probe(struct platform_device *pdev)
struct max77693_muic_irq *muic_irq = &muic_irqs[i];
unsigned int virq = 0;
- virq = irq_create_mapping(max77693->irq_domain, muic_irq->irq);
+ virq = regmap_irq_get_virq(max77693->irq_data_muic,
+ muic_irq->irq);
if (!virq) {
ret = -EINVAL;
goto err_irq;
@@ -1183,7 +1183,6 @@ static int max77693_muic_probe(struct platform_device *pdev)
goto err_irq;
}
info->edev->name = DEV_NAME;
- info->edev->dev.parent = &pdev->dev;
ret = devm_extcon_dev_register(&pdev->dev, info->edev);
if (ret) {
@@ -1204,7 +1203,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
enum max77693_irq_source irq_src
= MAX77693_IRQ_GROUP_NR;
- max77693_write_reg(info->max77693->regmap_muic,
+ regmap_write(info->max77693->regmap_muic,
init_data[i].addr,
init_data[i].data);
@@ -1262,7 +1261,7 @@ static int max77693_muic_probe(struct platform_device *pdev)
max77693_muic_set_path(info, info->path_uart, true);
/* Check revision number of MUIC device*/
- ret = max77693_read_reg(info->max77693->regmap_muic,
+ ret = regmap_read(info->max77693->regmap_muic,
MAX77693_MUIC_REG_ID, &id);
if (ret < 0) {
dev_err(&pdev->dev, "failed to read revision number\n");
diff --git a/drivers/extcon/extcon-max8997.c b/drivers/extcon/extcon-max8997.c
index d9f7f1baaa03..75e501c98005 100644
--- a/drivers/extcon/extcon-max8997.c
+++ b/drivers/extcon/extcon-max8997.c
@@ -661,10 +661,8 @@ static int max8997_muic_probe(struct platform_device *pdev)
info = devm_kzalloc(&pdev->dev, sizeof(struct max8997_muic_info),
GFP_KERNEL);
- if (!info) {
- dev_err(&pdev->dev, "failed to allocate memory\n");
+ if (!info)
return -ENOMEM;
- }
info->dev = &pdev->dev;
info->muic = max8997->muic;
@@ -706,7 +704,6 @@ static int max8997_muic_probe(struct platform_device *pdev)
goto err_irq;
}
info->edev->name = DEV_NAME;
- info->edev->dev.parent = &pdev->dev;
ret = devm_extcon_dev_register(&pdev->dev, info->edev);
if (ret) {
diff --git a/drivers/extcon/extcon-palmas.c b/drivers/extcon/extcon-palmas.c
index 7417ce84eb2d..230e1220ce48 100644
--- a/drivers/extcon/extcon-palmas.c
+++ b/drivers/extcon/extcon-palmas.c
@@ -194,7 +194,6 @@ static int palmas_usb_probe(struct platform_device *pdev)
return -ENOMEM;
}
palmas_usb->edev->name = kstrdup(node->name, GFP_KERNEL);
- palmas_usb->edev->dev.parent = palmas_usb->dev;
palmas_usb->edev->mutually_exclusive = mutually_exclusive;
status = devm_extcon_dev_register(&pdev->dev, palmas_usb->edev);
@@ -278,7 +277,7 @@ static int palmas_usb_resume(struct device *dev)
static SIMPLE_DEV_PM_OPS(palmas_pm_ops, palmas_usb_suspend, palmas_usb_resume);
-static struct of_device_id of_palmas_match_tbl[] = {
+static const struct of_device_id of_palmas_match_tbl[] = {
{ .compatible = "ti,palmas-usb", },
{ .compatible = "ti,palmas-usb-vid", },
{ .compatible = "ti,twl6035-usb", },
diff --git a/drivers/extcon/extcon-sm5502.c b/drivers/extcon/extcon-sm5502.c
new file mode 100644
index 000000000000..560d7dccec7b
--- /dev/null
+++ b/drivers/extcon/extcon-sm5502.c
@@ -0,0 +1,724 @@
+/*
+ * extcon-sm5502.c - Silicon Mitus SM5502 extcon drvier to support USB switches
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd
+ * Author: Chanwoo Choi <cw00.choi@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.
+ */
+
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/irqdomain.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <linux/extcon.h>
+#include <linux/extcon/sm5502.h>
+
+#define DELAY_MS_DEFAULT 17000 /* unit: millisecond */
+
+struct muic_irq {
+ unsigned int irq;
+ const char *name;
+ unsigned int virq;
+};
+
+struct reg_data {
+ u8 reg;
+ unsigned int val;
+ bool invert;
+};
+
+struct sm5502_muic_info {
+ struct device *dev;
+ struct extcon_dev *edev;
+
+ struct i2c_client *i2c;
+ struct regmap *regmap;
+
+ struct regmap_irq_chip_data *irq_data;
+ struct muic_irq *muic_irqs;
+ unsigned int num_muic_irqs;
+ int irq;
+ bool irq_attach;
+ bool irq_detach;
+ struct work_struct irq_work;
+
+ struct reg_data *reg_data;
+ unsigned int num_reg_data;
+
+ struct mutex mutex;
+
+ /*
+ * Use delayed workqueue to detect cable state and then
+ * notify cable state to notifiee/platform through uevent.
+ * After completing the booting of platform, the extcon provider
+ * driver should notify cable state to upper layer.
+ */
+ struct delayed_work wq_detcable;
+};
+
+/* Default value of SM5502 register to bring up MUIC device. */
+static struct reg_data sm5502_reg_data[] = {
+ {
+ .reg = SM5502_REG_CONTROL,
+ .val = SM5502_REG_CONTROL_MASK_INT_MASK,
+ .invert = false,
+ }, {
+ .reg = SM5502_REG_INTMASK1,
+ .val = SM5502_REG_INTM1_KP_MASK
+ | SM5502_REG_INTM1_LKP_MASK
+ | SM5502_REG_INTM1_LKR_MASK,
+ .invert = true,
+ }, {
+ .reg = SM5502_REG_INTMASK2,
+ .val = SM5502_REG_INTM2_VBUS_DET_MASK
+ | SM5502_REG_INTM2_REV_ACCE_MASK
+ | SM5502_REG_INTM2_ADC_CHG_MASK
+ | SM5502_REG_INTM2_STUCK_KEY_MASK
+ | SM5502_REG_INTM2_STUCK_KEY_RCV_MASK
+ | SM5502_REG_INTM2_MHL_MASK,
+ .invert = true,
+ },
+ { }
+};
+
+/* List of detectable cables */
+enum {
+ EXTCON_CABLE_USB = 0,
+ EXTCON_CABLE_USB_HOST,
+ EXTCON_CABLE_TA,
+
+ EXTCON_CABLE_END,
+};
+
+static const char *sm5502_extcon_cable[] = {
+ [EXTCON_CABLE_USB] = "USB",
+ [EXTCON_CABLE_USB_HOST] = "USB-Host",
+ [EXTCON_CABLE_TA] = "TA",
+ NULL,
+};
+
+/* Define supported accessory type */
+enum sm5502_muic_acc_type {
+ SM5502_MUIC_ADC_GROUND = 0x0,
+ SM5502_MUIC_ADC_SEND_END_BUTTON,
+ SM5502_MUIC_ADC_REMOTE_S1_BUTTON,
+ SM5502_MUIC_ADC_REMOTE_S2_BUTTON,
+ SM5502_MUIC_ADC_REMOTE_S3_BUTTON,
+ SM5502_MUIC_ADC_REMOTE_S4_BUTTON,
+ SM5502_MUIC_ADC_REMOTE_S5_BUTTON,
+ SM5502_MUIC_ADC_REMOTE_S6_BUTTON,
+ SM5502_MUIC_ADC_REMOTE_S7_BUTTON,
+ SM5502_MUIC_ADC_REMOTE_S8_BUTTON,
+ SM5502_MUIC_ADC_REMOTE_S9_BUTTON,
+ SM5502_MUIC_ADC_REMOTE_S10_BUTTON,
+ SM5502_MUIC_ADC_REMOTE_S11_BUTTON,
+ SM5502_MUIC_ADC_REMOTE_S12_BUTTON,
+ SM5502_MUIC_ADC_RESERVED_ACC_1,
+ SM5502_MUIC_ADC_RESERVED_ACC_2,
+ SM5502_MUIC_ADC_RESERVED_ACC_3,
+ SM5502_MUIC_ADC_RESERVED_ACC_4,
+ SM5502_MUIC_ADC_RESERVED_ACC_5,
+ SM5502_MUIC_ADC_AUDIO_TYPE2,
+ SM5502_MUIC_ADC_PHONE_POWERED_DEV,
+ SM5502_MUIC_ADC_TTY_CONVERTER,
+ SM5502_MUIC_ADC_UART_CABLE,
+ SM5502_MUIC_ADC_TYPE1_CHARGER,
+ SM5502_MUIC_ADC_FACTORY_MODE_BOOT_OFF_USB,
+ SM5502_MUIC_ADC_FACTORY_MODE_BOOT_ON_USB,
+ SM5502_MUIC_ADC_AUDIO_VIDEO_CABLE,
+ SM5502_MUIC_ADC_TYPE2_CHARGER,
+ SM5502_MUIC_ADC_FACTORY_MODE_BOOT_OFF_UART,
+ SM5502_MUIC_ADC_FACTORY_MODE_BOOT_ON_UART,
+ SM5502_MUIC_ADC_AUDIO_TYPE1,
+ SM5502_MUIC_ADC_OPEN = 0x1f,
+
+ /* The below accessories have same ADC value (0x1f or 0x1e).
+ So, Device type1 is used to separate specific accessory. */
+ /* |---------|--ADC| */
+ /* | [7:5]|[4:0]| */
+ SM5502_MUIC_ADC_AUDIO_TYPE1_FULL_REMOTE = 0x3e, /* | 001|11110| */
+ SM5502_MUIC_ADC_AUDIO_TYPE1_SEND_END = 0x5e, /* | 010|11110| */
+ /* |Dev Type1|--ADC| */
+ SM5502_MUIC_ADC_OPEN_USB = 0x5f, /* | 010|11111| */
+ SM5502_MUIC_ADC_OPEN_TA = 0xdf, /* | 110|11111| */
+ SM5502_MUIC_ADC_OPEN_USB_OTG = 0xff, /* | 111|11111| */
+};
+
+/* List of supported interrupt for SM5502 */
+static struct muic_irq sm5502_muic_irqs[] = {
+ { SM5502_IRQ_INT1_ATTACH, "muic-attach" },
+ { SM5502_IRQ_INT1_DETACH, "muic-detach" },
+ { SM5502_IRQ_INT1_KP, "muic-kp" },
+ { SM5502_IRQ_INT1_LKP, "muic-lkp" },
+ { SM5502_IRQ_INT1_LKR, "muic-lkr" },
+ { SM5502_IRQ_INT1_OVP_EVENT, "muic-ovp-event" },
+ { SM5502_IRQ_INT1_OCP_EVENT, "muic-ocp-event" },
+ { SM5502_IRQ_INT1_OVP_OCP_DIS, "muic-ovp-ocp-dis" },
+ { SM5502_IRQ_INT2_VBUS_DET, "muic-vbus-det" },
+ { SM5502_IRQ_INT2_REV_ACCE, "muic-rev-acce" },
+ { SM5502_IRQ_INT2_ADC_CHG, "muic-adc-chg" },
+ { SM5502_IRQ_INT2_STUCK_KEY, "muic-stuck-key" },
+ { SM5502_IRQ_INT2_STUCK_KEY_RCV, "muic-stuck-key-rcv" },
+ { SM5502_IRQ_INT2_MHL, "muic-mhl" },
+};
+
+/* Define interrupt list of SM5502 to register regmap_irq */
+static const struct regmap_irq sm5502_irqs[] = {
+ /* INT1 interrupts */
+ { .reg_offset = 0, .mask = SM5502_IRQ_INT1_ATTACH_MASK, },
+ { .reg_offset = 0, .mask = SM5502_IRQ_INT1_DETACH_MASK, },
+ { .reg_offset = 0, .mask = SM5502_IRQ_INT1_KP_MASK, },
+ { .reg_offset = 0, .mask = SM5502_IRQ_INT1_LKP_MASK, },
+ { .reg_offset = 0, .mask = SM5502_IRQ_INT1_LKR_MASK, },
+ { .reg_offset = 0, .mask = SM5502_IRQ_INT1_OVP_EVENT_MASK, },
+ { .reg_offset = 0, .mask = SM5502_IRQ_INT1_OCP_EVENT_MASK, },
+ { .reg_offset = 0, .mask = SM5502_IRQ_INT1_OVP_OCP_DIS_MASK, },
+
+ /* INT2 interrupts */
+ { .reg_offset = 1, .mask = SM5502_IRQ_INT2_VBUS_DET_MASK,},
+ { .reg_offset = 1, .mask = SM5502_IRQ_INT2_REV_ACCE_MASK, },
+ { .reg_offset = 1, .mask = SM5502_IRQ_INT2_ADC_CHG_MASK, },
+ { .reg_offset = 1, .mask = SM5502_IRQ_INT2_STUCK_KEY_MASK, },
+ { .reg_offset = 1, .mask = SM5502_IRQ_INT2_STUCK_KEY_RCV_MASK, },
+ { .reg_offset = 1, .mask = SM5502_IRQ_INT2_MHL_MASK, },
+};
+
+static const struct regmap_irq_chip sm5502_muic_irq_chip = {
+ .name = "sm5502",
+ .status_base = SM5502_REG_INT1,
+ .mask_base = SM5502_REG_INTMASK1,
+ .mask_invert = false,
+ .num_regs = 2,
+ .irqs = sm5502_irqs,
+ .num_irqs = ARRAY_SIZE(sm5502_irqs),
+};
+
+/* Define regmap configuration of SM5502 for I2C communication */
+static bool sm5502_muic_volatile_reg(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case SM5502_REG_INTMASK1:
+ case SM5502_REG_INTMASK2:
+ return true;
+ default:
+ break;
+ }
+ return false;
+}
+
+static const struct regmap_config sm5502_muic_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .volatile_reg = sm5502_muic_volatile_reg,
+ .max_register = SM5502_REG_END,
+};
+
+/* Change DM_CON/DP_CON/VBUSIN switch according to cable type */
+static int sm5502_muic_set_path(struct sm5502_muic_info *info,
+ unsigned int con_sw, unsigned int vbus_sw,
+ bool attached)
+{
+ int ret;
+
+ if (!attached) {
+ con_sw = DM_DP_SWITCH_OPEN;
+ vbus_sw = VBUSIN_SWITCH_OPEN;
+ }
+
+ switch (con_sw) {
+ case DM_DP_SWITCH_OPEN:
+ case DM_DP_SWITCH_USB:
+ case DM_DP_SWITCH_AUDIO:
+ case DM_DP_SWITCH_UART:
+ ret = regmap_update_bits(info->regmap, SM5502_REG_MANUAL_SW1,
+ SM5502_REG_MANUAL_SW1_DP_MASK |
+ SM5502_REG_MANUAL_SW1_DM_MASK,
+ con_sw);
+ if (ret < 0) {
+ dev_err(info->dev,
+ "cannot update DM_CON/DP_CON switch\n");
+ return ret;
+ }
+ break;
+ default:
+ dev_err(info->dev, "Unknown DM_CON/DP_CON switch type (%d)\n",
+ con_sw);
+ return -EINVAL;
+ };
+
+ switch (vbus_sw) {
+ case VBUSIN_SWITCH_OPEN:
+ case VBUSIN_SWITCH_VBUSOUT:
+ case VBUSIN_SWITCH_MIC:
+ case VBUSIN_SWITCH_VBUSOUT_WITH_USB:
+ ret = regmap_update_bits(info->regmap, SM5502_REG_MANUAL_SW1,
+ SM5502_REG_MANUAL_SW1_VBUSIN_MASK,
+ vbus_sw);
+ if (ret < 0) {
+ dev_err(info->dev,
+ "cannot update VBUSIN switch\n");
+ return ret;
+ }
+ break;
+ default:
+ dev_err(info->dev, "Unknown VBUS switch type (%d)\n", vbus_sw);
+ return -EINVAL;
+ };
+
+ return 0;
+}
+
+/* Return cable type of attached or detached accessories */
+static unsigned int sm5502_muic_get_cable_type(struct sm5502_muic_info *info)
+{
+ unsigned int cable_type = -1, adc, dev_type1;
+ int ret;
+
+ /* Read ADC value according to external cable or button */
+ ret = regmap_read(info->regmap, SM5502_REG_ADC, &adc);
+ if (ret) {
+ dev_err(info->dev, "failed to read ADC register\n");
+ return ret;
+ }
+
+ /*
+ * If ADC is SM5502_MUIC_ADC_GROUND(0x0), external cable hasn't
+ * connected with to MUIC device.
+ */
+ cable_type &= SM5502_REG_ADC_MASK;
+ if (cable_type == SM5502_MUIC_ADC_GROUND)
+ return SM5502_MUIC_ADC_GROUND;
+
+ switch (cable_type) {
+ case SM5502_MUIC_ADC_GROUND:
+ case SM5502_MUIC_ADC_SEND_END_BUTTON:
+ case SM5502_MUIC_ADC_REMOTE_S1_BUTTON:
+ case SM5502_MUIC_ADC_REMOTE_S2_BUTTON:
+ case SM5502_MUIC_ADC_REMOTE_S3_BUTTON:
+ case SM5502_MUIC_ADC_REMOTE_S4_BUTTON:
+ case SM5502_MUIC_ADC_REMOTE_S5_BUTTON:
+ case SM5502_MUIC_ADC_REMOTE_S6_BUTTON:
+ case SM5502_MUIC_ADC_REMOTE_S7_BUTTON:
+ case SM5502_MUIC_ADC_REMOTE_S8_BUTTON:
+ case SM5502_MUIC_ADC_REMOTE_S9_BUTTON:
+ case SM5502_MUIC_ADC_REMOTE_S10_BUTTON:
+ case SM5502_MUIC_ADC_REMOTE_S11_BUTTON:
+ case SM5502_MUIC_ADC_REMOTE_S12_BUTTON:
+ case SM5502_MUIC_ADC_RESERVED_ACC_1:
+ case SM5502_MUIC_ADC_RESERVED_ACC_2:
+ case SM5502_MUIC_ADC_RESERVED_ACC_3:
+ case SM5502_MUIC_ADC_RESERVED_ACC_4:
+ case SM5502_MUIC_ADC_RESERVED_ACC_5:
+ case SM5502_MUIC_ADC_AUDIO_TYPE2:
+ case SM5502_MUIC_ADC_PHONE_POWERED_DEV:
+ case SM5502_MUIC_ADC_TTY_CONVERTER:
+ case SM5502_MUIC_ADC_UART_CABLE:
+ case SM5502_MUIC_ADC_TYPE1_CHARGER:
+ case SM5502_MUIC_ADC_FACTORY_MODE_BOOT_OFF_USB:
+ case SM5502_MUIC_ADC_FACTORY_MODE_BOOT_ON_USB:
+ case SM5502_MUIC_ADC_AUDIO_VIDEO_CABLE:
+ case SM5502_MUIC_ADC_TYPE2_CHARGER:
+ case SM5502_MUIC_ADC_FACTORY_MODE_BOOT_OFF_UART:
+ case SM5502_MUIC_ADC_FACTORY_MODE_BOOT_ON_UART:
+ break;
+ case SM5502_MUIC_ADC_AUDIO_TYPE1:
+ /*
+ * Check whether cable type is
+ * SM5502_MUIC_ADC_AUDIO_TYPE1_FULL_REMOTE
+ * or SM5502_MUIC_ADC_AUDIO_TYPE1_SEND_END
+ * by using Button event.
+ */
+ break;
+ case SM5502_MUIC_ADC_OPEN:
+ ret = regmap_read(info->regmap, SM5502_REG_DEV_TYPE1,
+ &dev_type1);
+ if (ret) {
+ dev_err(info->dev, "failed to read DEV_TYPE1 reg\n");
+ return ret;
+ }
+
+ switch (dev_type1) {
+ case SM5502_REG_DEV_TYPE1_USB_SDP_MASK:
+ cable_type = SM5502_MUIC_ADC_OPEN_USB;
+ break;
+ case SM5502_REG_DEV_TYPE1_DEDICATED_CHG_MASK:
+ cable_type = SM5502_MUIC_ADC_OPEN_TA;
+ break;
+ case SM5502_REG_DEV_TYPE1_USB_OTG_MASK:
+ cable_type = SM5502_MUIC_ADC_OPEN_USB_OTG;
+ break;
+ default:
+ dev_dbg(info->dev,
+ "cannot identify the cable type: adc(0x%x) "
+ "dev_type1(0x%x)\n", adc, dev_type1);
+ return -EINVAL;
+ };
+ break;
+ default:
+ dev_err(info->dev,
+ "failed to identify the cable type: adc(0x%x)\n", adc);
+ return -EINVAL;
+ };
+
+ return cable_type;
+}
+
+static int sm5502_muic_cable_handler(struct sm5502_muic_info *info,
+ bool attached)
+{
+ static unsigned int prev_cable_type = SM5502_MUIC_ADC_GROUND;
+ const char **cable_names = info->edev->supported_cable;
+ unsigned int cable_type = SM5502_MUIC_ADC_GROUND;
+ unsigned int con_sw = DM_DP_SWITCH_OPEN;
+ unsigned int vbus_sw = VBUSIN_SWITCH_OPEN;
+ unsigned int idx = 0;
+ int ret;
+
+ if (!cable_names)
+ return 0;
+
+ /* Get the type of attached or detached cable */
+ if (attached)
+ cable_type = sm5502_muic_get_cable_type(info);
+ else if (!attached)
+ cable_type = prev_cable_type;
+ prev_cable_type = cable_type;
+
+ switch (cable_type) {
+ case SM5502_MUIC_ADC_OPEN_USB:
+ idx = EXTCON_CABLE_USB;
+ con_sw = DM_DP_SWITCH_USB;
+ vbus_sw = VBUSIN_SWITCH_VBUSOUT_WITH_USB;
+ break;
+ case SM5502_MUIC_ADC_OPEN_TA:
+ idx = EXTCON_CABLE_TA;
+ con_sw = DM_DP_SWITCH_OPEN;
+ vbus_sw = VBUSIN_SWITCH_VBUSOUT;
+ break;
+ case SM5502_MUIC_ADC_OPEN_USB_OTG:
+ idx = EXTCON_CABLE_USB_HOST;
+ con_sw = DM_DP_SWITCH_USB;
+ vbus_sw = VBUSIN_SWITCH_OPEN;
+ break;
+ default:
+ dev_dbg(info->dev,
+ "cannot handle this cable_type (0x%x)\n", cable_type);
+ return 0;
+ };
+
+ /* Change internal hardware path(DM_CON/DP_CON, VBUSIN) */
+ ret = sm5502_muic_set_path(info, con_sw, vbus_sw, attached);
+ if (ret < 0)
+ return ret;
+
+ /* Change the state of external accessory */
+ extcon_set_cable_state(info->edev, cable_names[idx], attached);
+
+ return 0;
+}
+
+static void sm5502_muic_irq_work(struct work_struct *work)
+{
+ struct sm5502_muic_info *info = container_of(work,
+ struct sm5502_muic_info, irq_work);
+ int ret = 0;
+
+ if (!info->edev)
+ return;
+
+ mutex_lock(&info->mutex);
+
+ /* Detect attached or detached cables */
+ if (info->irq_attach) {
+ ret = sm5502_muic_cable_handler(info, true);
+ info->irq_attach = false;
+ }
+ if (info->irq_detach) {
+ ret = sm5502_muic_cable_handler(info, false);
+ info->irq_detach = false;
+ }
+
+ if (ret < 0)
+ dev_err(info->dev, "failed to handle MUIC interrupt\n");
+
+ mutex_unlock(&info->mutex);
+
+ return;
+}
+
+/*
+ * Sets irq_attach or irq_detach in sm5502_muic_info and returns 0.
+ * Returns -ESRCH if irq_type does not match registered IRQ for this dev type.
+ */
+static int sm5502_parse_irq(struct sm5502_muic_info *info, int irq_type)
+{
+ switch (irq_type) {
+ case SM5502_IRQ_INT1_ATTACH:
+ info->irq_attach = true;
+ break;
+ case SM5502_IRQ_INT1_DETACH:
+ info->irq_detach = true;
+ break;
+ case SM5502_IRQ_INT1_KP:
+ case SM5502_IRQ_INT1_LKP:
+ case SM5502_IRQ_INT1_LKR:
+ case SM5502_IRQ_INT1_OVP_EVENT:
+ case SM5502_IRQ_INT1_OCP_EVENT:
+ case SM5502_IRQ_INT1_OVP_OCP_DIS:
+ case SM5502_IRQ_INT2_VBUS_DET:
+ case SM5502_IRQ_INT2_REV_ACCE:
+ case SM5502_IRQ_INT2_ADC_CHG:
+ case SM5502_IRQ_INT2_STUCK_KEY:
+ case SM5502_IRQ_INT2_STUCK_KEY_RCV:
+ case SM5502_IRQ_INT2_MHL:
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static irqreturn_t sm5502_muic_irq_handler(int irq, void *data)
+{
+ struct sm5502_muic_info *info = data;
+ int i, irq_type = -1, ret;
+
+ for (i = 0; i < info->num_muic_irqs; i++)
+ if (irq == info->muic_irqs[i].virq)
+ irq_type = info->muic_irqs[i].irq;
+
+ ret = sm5502_parse_irq(info, irq_type);
+ if (ret < 0) {
+ dev_warn(info->dev, "cannot handle is interrupt:%d\n",
+ irq_type);
+ return IRQ_HANDLED;
+ }
+ schedule_work(&info->irq_work);
+
+ return IRQ_HANDLED;
+}
+
+static void sm5502_muic_detect_cable_wq(struct work_struct *work)
+{
+ struct sm5502_muic_info *info = container_of(to_delayed_work(work),
+ struct sm5502_muic_info, wq_detcable);
+ int ret;
+
+ /* Notify the state of connector cable or not */
+ ret = sm5502_muic_cable_handler(info, true);
+ if (ret < 0)
+ dev_warn(info->dev, "failed to detect cable state\n");
+}
+
+static void sm5502_init_dev_type(struct sm5502_muic_info *info)
+{
+ unsigned int reg_data, vendor_id, version_id;
+ int i, ret;
+
+ /* To test I2C, Print version_id and vendor_id of SM5502 */
+ ret = regmap_read(info->regmap, SM5502_REG_DEVICE_ID, &reg_data);
+ if (ret) {
+ dev_err(info->dev,
+ "failed to read DEVICE_ID register: %d\n", ret);
+ return;
+ }
+
+ vendor_id = ((reg_data & SM5502_REG_DEVICE_ID_VENDOR_MASK) >>
+ SM5502_REG_DEVICE_ID_VENDOR_SHIFT);
+ version_id = ((reg_data & SM5502_REG_DEVICE_ID_VERSION_MASK) >>
+ SM5502_REG_DEVICE_ID_VERSION_SHIFT);
+
+ dev_info(info->dev, "Device type: version: 0x%x, vendor: 0x%x\n",
+ version_id, vendor_id);
+
+ /* Initiazle the register of SM5502 device to bring-up */
+ for (i = 0; i < info->num_reg_data; i++) {
+ unsigned int val = 0;
+
+ if (!info->reg_data[i].invert)
+ val |= ~info->reg_data[i].val;
+ else
+ val = info->reg_data[i].val;
+ regmap_write(info->regmap, info->reg_data[i].reg, val);
+ }
+}
+
+static int sm5022_muic_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct device_node *np = i2c->dev.of_node;
+ struct sm5502_muic_info *info;
+ int i, ret, irq_flags;
+
+ if (!np)
+ return -EINVAL;
+
+ info = devm_kzalloc(&i2c->dev, sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+ i2c_set_clientdata(i2c, info);
+
+ info->dev = &i2c->dev;
+ info->i2c = i2c;
+ info->irq = i2c->irq;
+ info->muic_irqs = sm5502_muic_irqs;
+ info->num_muic_irqs = ARRAY_SIZE(sm5502_muic_irqs);
+ info->reg_data = sm5502_reg_data;
+ info->num_reg_data = ARRAY_SIZE(sm5502_reg_data);
+
+ mutex_init(&info->mutex);
+
+ INIT_WORK(&info->irq_work, sm5502_muic_irq_work);
+
+ info->regmap = devm_regmap_init_i2c(i2c, &sm5502_muic_regmap_config);
+ if (IS_ERR(info->regmap)) {
+ ret = PTR_ERR(info->regmap);
+ dev_err(info->dev, "failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ /* Support irq domain for SM5502 MUIC device */
+ irq_flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT | IRQF_SHARED;
+ ret = regmap_add_irq_chip(info->regmap, info->irq, irq_flags, 0,
+ &sm5502_muic_irq_chip, &info->irq_data);
+ if (ret != 0) {
+ dev_err(info->dev, "failed to request IRQ %d: %d\n",
+ info->irq, ret);
+ return ret;
+ }
+
+ for (i = 0; i < info->num_muic_irqs; i++) {
+ struct muic_irq *muic_irq = &info->muic_irqs[i];
+ unsigned int virq = 0;
+
+ virq = regmap_irq_get_virq(info->irq_data, muic_irq->irq);
+ if (virq <= 0)
+ return -EINVAL;
+ muic_irq->virq = virq;
+
+ ret = devm_request_threaded_irq(info->dev, virq, NULL,
+ sm5502_muic_irq_handler,
+ IRQF_NO_SUSPEND,
+ muic_irq->name, info);
+ if (ret) {
+ dev_err(info->dev, "failed: irq request (IRQ: %d,"
+ " error :%d)\n", muic_irq->irq, ret);
+ return ret;
+ }
+ }
+
+ /* Allocate extcon device */
+ info->edev = devm_extcon_dev_allocate(info->dev, sm5502_extcon_cable);
+ if (IS_ERR(info->edev)) {
+ dev_err(info->dev, "failed to allocate memory for extcon\n");
+ return -ENOMEM;
+ }
+ info->edev->name = np->name;
+
+ /* Register extcon device */
+ ret = devm_extcon_dev_register(info->dev, info->edev);
+ if (ret) {
+ dev_err(info->dev, "failed to register extcon device\n");
+ return ret;
+ }
+
+ /*
+ * Detect accessory after completing the initialization of platform
+ *
+ * - Use delayed workqueue to detect cable state and then
+ * notify cable state to notifiee/platform through uevent.
+ * After completing the booting of platform, the extcon provider
+ * driver should notify cable state to upper layer.
+ */
+ INIT_DELAYED_WORK(&info->wq_detcable, sm5502_muic_detect_cable_wq);
+ queue_delayed_work(system_power_efficient_wq, &info->wq_detcable,
+ msecs_to_jiffies(DELAY_MS_DEFAULT));
+
+ /* Initialize SM5502 device and print vendor id and version id */
+ sm5502_init_dev_type(info);
+
+ return 0;
+}
+
+static int sm5502_muic_i2c_remove(struct i2c_client *i2c)
+{
+ struct sm5502_muic_info *info = i2c_get_clientdata(i2c);
+
+ regmap_del_irq_chip(info->irq, info->irq_data);
+
+ return 0;
+}
+
+static struct of_device_id sm5502_dt_match[] = {
+ { .compatible = "siliconmitus,sm5502-muic" },
+ { },
+};
+
+#ifdef CONFIG_PM_SLEEP
+static int sm5502_muic_suspend(struct device *dev)
+{
+ struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
+ struct sm5502_muic_info *info = i2c_get_clientdata(i2c);
+
+ enable_irq_wake(info->irq);
+
+ return 0;
+}
+
+static int sm5502_muic_resume(struct device *dev)
+{
+ struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
+ struct sm5502_muic_info *info = i2c_get_clientdata(i2c);
+
+ disable_irq_wake(info->irq);
+
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(sm5502_muic_pm_ops,
+ sm5502_muic_suspend, sm5502_muic_resume);
+
+static const struct i2c_device_id sm5502_i2c_id[] = {
+ { "sm5502", TYPE_SM5502 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, sm5502_i2c_id);
+
+static struct i2c_driver sm5502_muic_i2c_driver = {
+ .driver = {
+ .name = "sm5502",
+ .owner = THIS_MODULE,
+ .pm = &sm5502_muic_pm_ops,
+ .of_match_table = sm5502_dt_match,
+ },
+ .probe = sm5022_muic_i2c_probe,
+ .remove = sm5502_muic_i2c_remove,
+ .id_table = sm5502_i2c_id,
+};
+
+static int __init sm5502_muic_i2c_init(void)
+{
+ return i2c_add_driver(&sm5502_muic_i2c_driver);
+}
+subsys_initcall(sm5502_muic_i2c_init);
+
+MODULE_DESCRIPTION("Silicon Mitus SM5502 Extcon driver");
+MODULE_AUTHOR("Chanwoo Choi <cw00.choi@samsung.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 6cc4b6acc22a..fb824f501197 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -384,6 +384,7 @@ config MFD_MAX77693
depends on I2C=y
select MFD_CORE
select REGMAP_I2C
+ select REGMAP_IRQ
help
Say yes here to add support for Maxim Semiconductor MAX77693.
This is a companion Power Management IC with Flash, Haptic, Charger,
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 8afedba535c7..8c6e7bba4660 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -116,7 +116,7 @@ obj-$(CONFIG_MFD_DA9063) += da9063.o
obj-$(CONFIG_MFD_MAX14577) += max14577.o
obj-$(CONFIG_MFD_MAX77686) += max77686.o max77686-irq.o
-obj-$(CONFIG_MFD_MAX77693) += max77693.o max77693-irq.o
+obj-$(CONFIG_MFD_MAX77693) += max77693.o
obj-$(CONFIG_MFD_MAX8907) += max8907.o
max8925-objs := max8925-core.o max8925-i2c.o
obj-$(CONFIG_MFD_MAX8925) += max8925.o
diff --git a/drivers/mfd/max77693-irq.c b/drivers/mfd/max77693-irq.c
deleted file mode 100644
index 66b58fe77094..000000000000
--- a/drivers/mfd/max77693-irq.c
+++ /dev/null
@@ -1,336 +0,0 @@
-/*
- * max77693-irq.c - Interrupt controller support for MAX77693
- *
- * Copyright (C) 2012 Samsung Electronics Co.Ltd
- * SangYoung Son <hello.son@samsung.com>
- *
- * This program is not provided / owned by Maxim Integrated Products.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * This driver is based on max8997-irq.c
- */
-
-#include <linux/err.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/irqdomain.h>
-#include <linux/mfd/max77693.h>
-#include <linux/mfd/max77693-private.h>
-
-static const u8 max77693_mask_reg[] = {
- [LED_INT] = MAX77693_LED_REG_FLASH_INT_MASK,
- [TOPSYS_INT] = MAX77693_PMIC_REG_TOPSYS_INT_MASK,
- [CHG_INT] = MAX77693_CHG_REG_CHG_INT_MASK,
- [MUIC_INT1] = MAX77693_MUIC_REG_INTMASK1,
- [MUIC_INT2] = MAX77693_MUIC_REG_INTMASK2,
- [MUIC_INT3] = MAX77693_MUIC_REG_INTMASK3,
-};
-
-static struct regmap *max77693_get_regmap(struct max77693_dev *max77693,
- enum max77693_irq_source src)
-{
- switch (src) {
- case LED_INT ... CHG_INT:
- return max77693->regmap;
- case MUIC_INT1 ... MUIC_INT3:
- return max77693->regmap_muic;
- default:
- return ERR_PTR(-EINVAL);
- }
-}
-
-struct max77693_irq_data {
- int mask;
- enum max77693_irq_source group;
-};
-
-#define DECLARE_IRQ(idx, _group, _mask) \
- [(idx)] = { .group = (_group), .mask = (_mask) }
-static const struct max77693_irq_data max77693_irqs[] = {
- DECLARE_IRQ(MAX77693_LED_IRQ_FLED2_OPEN, LED_INT, 1 << 0),
- DECLARE_IRQ(MAX77693_LED_IRQ_FLED2_SHORT, LED_INT, 1 << 1),
- DECLARE_IRQ(MAX77693_LED_IRQ_FLED1_OPEN, LED_INT, 1 << 2),
- DECLARE_IRQ(MAX77693_LED_IRQ_FLED1_SHORT, LED_INT, 1 << 3),
- DECLARE_IRQ(MAX77693_LED_IRQ_MAX_FLASH, LED_INT, 1 << 4),
-
- DECLARE_IRQ(MAX77693_TOPSYS_IRQ_T120C_INT, TOPSYS_INT, 1 << 0),
- DECLARE_IRQ(MAX77693_TOPSYS_IRQ_T140C_INT, TOPSYS_INT, 1 << 1),
- DECLARE_IRQ(MAX77693_TOPSYS_IRQ_LOWSYS_INT, TOPSYS_INT, 1 << 3),
-
- DECLARE_IRQ(MAX77693_CHG_IRQ_BYP_I, CHG_INT, 1 << 0),
- DECLARE_IRQ(MAX77693_CHG_IRQ_THM_I, CHG_INT, 1 << 2),
- DECLARE_IRQ(MAX77693_CHG_IRQ_BAT_I, CHG_INT, 1 << 3),
- DECLARE_IRQ(MAX77693_CHG_IRQ_CHG_I, CHG_INT, 1 << 4),
- DECLARE_IRQ(MAX77693_CHG_IRQ_CHGIN_I, CHG_INT, 1 << 6),
-
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT1_ADC, MUIC_INT1, 1 << 0),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT1_ADC_LOW, MUIC_INT1, 1 << 1),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT1_ADC_ERR, MUIC_INT1, 1 << 2),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT1_ADC1K, MUIC_INT1, 1 << 3),
-
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT2_CHGTYP, MUIC_INT2, 1 << 0),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT2_CHGDETREUN, MUIC_INT2, 1 << 1),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT2_DCDTMR, MUIC_INT2, 1 << 2),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT2_DXOVP, MUIC_INT2, 1 << 3),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT2_VBVOLT, MUIC_INT2, 1 << 4),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT2_VIDRM, MUIC_INT2, 1 << 5),
-
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT3_EOC, MUIC_INT3, 1 << 0),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT3_CGMBC, MUIC_INT3, 1 << 1),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT3_OVP, MUIC_INT3, 1 << 2),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT3_MBCCHG_ERR, MUIC_INT3, 1 << 3),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT3_CHG_ENABLED, MUIC_INT3, 1 << 4),
- DECLARE_IRQ(MAX77693_MUIC_IRQ_INT3_BAT_DET, MUIC_INT3, 1 << 5),
-};
-
-static void max77693_irq_lock(struct irq_data *data)
-{
- struct max77693_dev *max77693 = irq_get_chip_data(data->irq);
-
- mutex_lock(&max77693->irqlock);
-}
-
-static void max77693_irq_sync_unlock(struct irq_data *data)
-{
- struct max77693_dev *max77693 = irq_get_chip_data(data->irq);
- int i;
-
- for (i = 0; i < MAX77693_IRQ_GROUP_NR; i++) {
- u8 mask_reg = max77693_mask_reg[i];
- struct regmap *map = max77693_get_regmap(max77693, i);
-
- if (mask_reg == MAX77693_REG_INVALID ||
- IS_ERR_OR_NULL(map))
- continue;
- max77693->irq_masks_cache[i] = max77693->irq_masks_cur[i];
-
- max77693_write_reg(map, max77693_mask_reg[i],
- max77693->irq_masks_cur[i]);
- }
-
- mutex_unlock(&max77693->irqlock);
-}
-
-static const inline struct max77693_irq_data *
-irq_to_max77693_irq(struct max77693_dev *max77693, int irq)
-{
- struct irq_data *data = irq_get_irq_data(irq);
- return &max77693_irqs[data->hwirq];
-}
-
-static void max77693_irq_mask(struct irq_data *data)
-{
- struct max77693_dev *max77693 = irq_get_chip_data(data->irq);
- const struct max77693_irq_data *irq_data =
- irq_to_max77693_irq(max77693, data->irq);
-
- if (irq_data->group >= MAX77693_IRQ_GROUP_NR)
- return;
-
- if (irq_data->group >= MUIC_INT1 && irq_data->group <= MUIC_INT3)
- max77693->irq_masks_cur[irq_data->group] &= ~irq_data->mask;
- else
- max77693->irq_masks_cur[irq_data->group] |= irq_data->mask;
-}
-
-static void max77693_irq_unmask(struct irq_data *data)
-{
- struct max77693_dev *max77693 = irq_get_chip_data(data->irq);
- const struct max77693_irq_data *irq_data =
- irq_to_max77693_irq(max77693, data->irq);
-
- if (irq_data->group >= MAX77693_IRQ_GROUP_NR)
- return;
-
- if (irq_data->group >= MUIC_INT1 && irq_data->group <= MUIC_INT3)
- max77693->irq_masks_cur[irq_data->group] |= irq_data->mask;
- else
- max77693->irq_masks_cur[irq_data->group] &= ~irq_data->mask;
-}
-
-static struct irq_chip max77693_irq_chip = {
- .name = "max77693",
- .irq_bus_lock = max77693_irq_lock,
- .irq_bus_sync_unlock = max77693_irq_sync_unlock,
- .irq_mask = max77693_irq_mask,
- .irq_unmask = max77693_irq_unmask,
-};
-
-#define MAX77693_IRQSRC_CHG (1 << 0)
-#define MAX77693_IRQSRC_TOP (1 << 1)
-#define MAX77693_IRQSRC_FLASH (1 << 2)
-#define MAX77693_IRQSRC_MUIC (1 << 3)
-static irqreturn_t max77693_irq_thread(int irq, void *data)
-{
- struct max77693_dev *max77693 = data;
- u8 irq_reg[MAX77693_IRQ_GROUP_NR] = {};
- u8 irq_src;
- int ret;
- int i, cur_irq;
-
- ret = max77693_read_reg(max77693->regmap, MAX77693_PMIC_REG_INTSRC,
- &irq_src);
- if (ret < 0) {
- dev_err(max77693->dev, "Failed to read interrupt source: %d\n",
- ret);
- return IRQ_NONE;
- }
-
- if (irq_src & MAX77693_IRQSRC_CHG)
- /* CHG_INT */
- ret = max77693_read_reg(max77693->regmap, MAX77693_CHG_REG_CHG_INT,
- &irq_reg[CHG_INT]);
-
- if (irq_src & MAX77693_IRQSRC_TOP)
- /* TOPSYS_INT */
- ret = max77693_read_reg(max77693->regmap,
- MAX77693_PMIC_REG_TOPSYS_INT, &irq_reg[TOPSYS_INT]);
-
- if (irq_src & MAX77693_IRQSRC_FLASH)
- /* LED_INT */
- ret = max77693_read_reg(max77693->regmap,
- MAX77693_LED_REG_FLASH_INT, &irq_reg[LED_INT]);
-
- if (irq_src & MAX77693_IRQSRC_MUIC)
- /* MUIC INT1 ~ INT3 */
- max77693_bulk_read(max77693->regmap_muic, MAX77693_MUIC_REG_INT1,
- MAX77693_NUM_IRQ_MUIC_REGS, &irq_reg[MUIC_INT1]);
-
- /* Apply masking */
- for (i = 0; i < MAX77693_IRQ_GROUP_NR; i++) {
- if (i >= MUIC_INT1 && i <= MUIC_INT3)
- irq_reg[i] &= max77693->irq_masks_cur[i];
- else
- irq_reg[i] &= ~max77693->irq_masks_cur[i];
- }
-
- /* Report */
- for (i = 0; i < MAX77693_IRQ_NR; i++) {
- if (irq_reg[max77693_irqs[i].group] & max77693_irqs[i].mask) {
- cur_irq = irq_find_mapping(max77693->irq_domain, i);
- if (cur_irq)
- handle_nested_irq(cur_irq);
- }
- }
-
- return IRQ_HANDLED;
-}
-
-int max77693_irq_resume(struct max77693_dev *max77693)
-{
- if (max77693->irq)
- max77693_irq_thread(0, max77693);
-
- return 0;
-}
-
-static int max77693_irq_domain_map(struct irq_domain *d, unsigned int irq,
- irq_hw_number_t hw)
-{
- struct max77693_dev *max77693 = d->host_data;
-
- irq_set_chip_data(irq, max77693);
- irq_set_chip_and_handler(irq, &max77693_irq_chip, handle_edge_irq);
- irq_set_nested_thread(irq, 1);
-#ifdef CONFIG_ARM
- set_irq_flags(irq, IRQF_VALID);
-#else
- irq_set_noprobe(irq);
-#endif
- return 0;
-}
-
-static struct irq_domain_ops max77693_irq_domain_ops = {
- .map = max77693_irq_domain_map,
-};
-
-int max77693_irq_init(struct max77693_dev *max77693)
-{
- struct irq_domain *domain;
- int i;
- int ret = 0;
- u8 intsrc_mask;
-
- mutex_init(&max77693->irqlock);
-
- /* Mask individual interrupt sources */
- for (i = 0; i < MAX77693_IRQ_GROUP_NR; i++) {
- struct regmap *map;
- /* MUIC IRQ 0:MASK 1:NOT MASK */
- /* Other IRQ 1:MASK 0:NOT MASK */
- if (i >= MUIC_INT1 && i <= MUIC_INT3) {
- max77693->irq_masks_cur[i] = 0x00;
- max77693->irq_masks_cache[i] = 0x00;
- } else {
- max77693->irq_masks_cur[i] = 0xff;
- max77693->irq_masks_cache[i] = 0xff;
- }
- map = max77693_get_regmap(max77693, i);
-
- if (IS_ERR_OR_NULL(map))
- continue;
- if (max77693_mask_reg[i] == MAX77693_REG_INVALID)
- continue;
- if (i >= MUIC_INT1 && i <= MUIC_INT3)
- max77693_write_reg(map, max77693_mask_reg[i], 0x00);
- else
- max77693_write_reg(map, max77693_mask_reg[i], 0xff);
- }
-
- domain = irq_domain_add_linear(NULL, MAX77693_IRQ_NR,
- &max77693_irq_domain_ops, max77693);
- if (!domain) {
- dev_err(max77693->dev, "could not create irq domain\n");
- ret = -ENODEV;
- goto err_irq;
- }
- max77693->irq_domain = domain;
-
- /* Unmask max77693 interrupt */
- ret = max77693_read_reg(max77693->regmap,
- MAX77693_PMIC_REG_INTSRC_MASK, &intsrc_mask);
- if (ret < 0) {
- dev_err(max77693->dev, "fail to read PMIC register\n");
- goto err_irq;
- }
-
- intsrc_mask &= ~(MAX77693_IRQSRC_CHG);
- intsrc_mask &= ~(MAX77693_IRQSRC_FLASH);
- intsrc_mask &= ~(MAX77693_IRQSRC_MUIC);
- ret = max77693_write_reg(max77693->regmap,
- MAX77693_PMIC_REG_INTSRC_MASK, intsrc_mask);
- if (ret < 0) {
- dev_err(max77693->dev, "fail to write PMIC register\n");
- goto err_irq;
- }
-
- ret = request_threaded_irq(max77693->irq, NULL, max77693_irq_thread,
- IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
- "max77693-irq", max77693);
- if (ret)
- dev_err(max77693->dev, "Failed to request IRQ %d: %d\n",
- max77693->irq, ret);
-
-err_irq:
- return ret;
-}
-
-void max77693_irq_exit(struct max77693_dev *max77693)
-{
- if (max77693->irq)
- free_irq(max77693->irq, max77693);
-}
diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
index 7e05428c756d..249c139ef04a 100644
--- a/drivers/mfd/max77693.c
+++ b/drivers/mfd/max77693.c
@@ -49,62 +49,62 @@ static const struct mfd_cell max77693_devs[] = {
{ .name = "max77693-haptic", },
};
-int max77693_read_reg(struct regmap *map, u8 reg, u8 *dest)
-{
- unsigned int val;
- int ret;
-
- ret = regmap_read(map, reg, &val);
- *dest = val;
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(max77693_read_reg);
-
-int max77693_bulk_read(struct regmap *map, u8 reg, int count, u8 *buf)
-{
- int ret;
-
- ret = regmap_bulk_read(map, reg, buf, count);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(max77693_bulk_read);
-
-int max77693_write_reg(struct regmap *map, u8 reg, u8 value)
-{
- int ret;
-
- ret = regmap_write(map, reg, value);
-
- return ret;
-}
-EXPORT_SYMBOL_GPL(max77693_write_reg);
-
-int max77693_bulk_write(struct regmap *map, u8 reg, int count, u8 *buf)
-{
- int ret;
+static const struct regmap_config max77693_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .max_register = MAX77693_PMIC_REG_END,
+};
- ret = regmap_bulk_write(map, reg, buf, count);
+static const struct regmap_irq max77693_led_irqs[] = {
+ { .mask = LED_IRQ_FLED2_OPEN, },
+ { .mask = LED_IRQ_FLED2_SHORT, },
+ { .mask = LED_IRQ_FLED1_OPEN, },
+ { .mask = LED_IRQ_FLED1_SHORT, },
+ { .mask = LED_IRQ_MAX_FLASH, },
+};
- return ret;
-}
-EXPORT_SYMBOL_GPL(max77693_bulk_write);
+static const struct regmap_irq_chip max77693_led_irq_chip = {
+ .name = "max77693-led",
+ .status_base = MAX77693_LED_REG_FLASH_INT,
+ .mask_base = MAX77693_LED_REG_FLASH_INT_MASK,
+ .mask_invert = false,
+ .num_regs = 1,
+ .irqs = max77693_led_irqs,
+ .num_irqs = ARRAY_SIZE(max77693_led_irqs),
+};
-int max77693_update_reg(struct regmap *map, u8 reg, u8 val, u8 mask)
-{
- int ret;
+static const struct regmap_irq max77693_topsys_irqs[] = {
+ { .mask = TOPSYS_IRQ_T120C_INT, },
+ { .mask = TOPSYS_IRQ_T140C_INT, },
+ { .mask = TOPSYS_IRQ_LOWSYS_INT, },
+};
- ret = regmap_update_bits(map, reg, mask, val);
+static const struct regmap_irq_chip max77693_topsys_irq_chip = {
+ .name = "max77693-topsys",
+ .status_base = MAX77693_PMIC_REG_TOPSYS_INT,
+ .mask_base = MAX77693_PMIC_REG_TOPSYS_INT_MASK,
+ .mask_invert = false,
+ .num_regs = 1,
+ .irqs = max77693_topsys_irqs,
+ .num_irqs = ARRAY_SIZE(max77693_topsys_irqs),
+};
- return ret;
-}
-EXPORT_SYMBOL_GPL(max77693_update_reg);
+static const struct regmap_irq max77693_charger_irqs[] = {
+ { .mask = CHG_IRQ_BYP_I, },
+ { .mask = CHG_IRQ_THM_I, },
+ { .mask = CHG_IRQ_BAT_I, },
+ { .mask = CHG_IRQ_CHG_I, },
+ { .mask = CHG_IRQ_CHGIN_I, },
+};
-static const struct regmap_config max77693_regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
- .max_register = MAX77693_PMIC_REG_END,
+static const struct regmap_irq_chip max77693_charger_irq_chip = {
+ .name = "max77693-charger",
+ .status_base = MAX77693_CHG_REG_CHG_INT,
+ .mask_base = MAX77693_CHG_REG_CHG_INT_MASK,
+ .mask_invert = false,
+ .num_regs = 1,
+ .irqs = max77693_charger_irqs,
+ .num_irqs = ARRAY_SIZE(max77693_charger_irqs),
};
static const struct regmap_config max77693_regmap_muic_config = {
@@ -113,11 +113,42 @@ static const struct regmap_config max77693_regmap_muic_config = {
.max_register = MAX77693_MUIC_REG_END,
};
+static const struct regmap_irq max77693_muic_irqs[] = {
+ { .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC, },
+ { .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_LOW, },
+ { .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC_ERR, },
+ { .reg_offset = 0, .mask = MUIC_IRQ_INT1_ADC1K, },
+
+ { .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGTYP, },
+ { .reg_offset = 1, .mask = MUIC_IRQ_INT2_CHGDETREUN, },
+ { .reg_offset = 1, .mask = MUIC_IRQ_INT2_DCDTMR, },
+ { .reg_offset = 1, .mask = MUIC_IRQ_INT2_DXOVP, },
+ { .reg_offset = 1, .mask = MUIC_IRQ_INT2_VBVOLT, },
+ { .reg_offset = 1, .mask = MUIC_IRQ_INT2_VIDRM, },
+
+ { .reg_offset = 2, .mask = MUIC_IRQ_INT3_EOC, },
+ { .reg_offset = 2, .mask = MUIC_IRQ_INT3_CGMBC, },
+ { .reg_offset = 2, .mask = MUIC_IRQ_INT3_OVP, },
+ { .reg_offset = 2, .mask = MUIC_IRQ_INT3_MBCCHG_ERR, },
+ { .reg_offset = 2, .mask = MUIC_IRQ_INT3_CHG_ENABLED, },
+ { .reg_offset = 2, .mask = MUIC_IRQ_INT3_BAT_DET, },
+};
+
+static const struct regmap_irq_chip max77693_muic_irq_chip = {
+ .name = "max77693-muic",
+ .status_base = MAX77693_MUIC_REG_INT1,
+ .mask_base = MAX77693_MUIC_REG_INTMASK1,
+ .mask_invert = true,
+ .num_regs = 3,
+ .irqs = max77693_muic_irqs,
+ .num_irqs = ARRAY_SIZE(max77693_muic_irqs),
+};
+
static int max77693_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct max77693_dev *max77693;
- u8 reg_data;
+ unsigned int reg_data;
int ret = 0;
max77693 = devm_kzalloc(&i2c->dev,
@@ -139,7 +170,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
return ret;
}
- ret = max77693_read_reg(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,
+ ret = regmap_read(max77693->regmap, MAX77693_PMIC_REG_PMIC_ID2,
&reg_data);
if (ret < 0) {
dev_err(max77693->dev, "device not found on this channel\n");
@@ -176,9 +207,45 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
goto err_regmap_muic;
}
- ret = max77693_irq_init(max77693);
- if (ret < 0)
- goto err_irq;
+ ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
+ IRQF_ONESHOT | IRQF_SHARED |
+ IRQF_TRIGGER_FALLING, 0,
+ &max77693_led_irq_chip,
+ &max77693->irq_data_led);
+ if (ret) {
+ dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
+ goto err_regmap_muic;
+ }
+
+ ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
+ IRQF_ONESHOT | IRQF_SHARED |
+ IRQF_TRIGGER_FALLING, 0,
+ &max77693_topsys_irq_chip,
+ &max77693->irq_data_topsys);
+ if (ret) {
+ dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
+ goto err_irq_topsys;
+ }
+
+ ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
+ IRQF_ONESHOT | IRQF_SHARED |
+ IRQF_TRIGGER_FALLING, 0,
+ &max77693_charger_irq_chip,
+ &max77693->irq_data_charger);
+ if (ret) {
+ dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
+ goto err_irq_charger;
+ }
+
+ ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
+ IRQF_ONESHOT | IRQF_SHARED |
+ IRQF_TRIGGER_FALLING, 0,
+ &max77693_muic_irq_chip,
+ &max77693->irq_data_muic);
+ if (ret) {
+ dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
+ goto err_irq_muic;
+ }
pm_runtime_set_active(max77693->dev);
@@ -190,8 +257,14 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
return ret;
err_mfd:
- max77693_irq_exit(max77693);
-err_irq:
+ mfd_remove_devices(max77693->dev);
+ regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
+err_irq_muic:
+ regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger);
+err_irq_charger:
+ regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
+err_irq_topsys:
+ regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
err_regmap_muic:
i2c_unregister_device(max77693->haptic);
err_i2c_haptic:
@@ -204,7 +277,12 @@ static int max77693_i2c_remove(struct i2c_client *i2c)
struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
mfd_remove_devices(max77693->dev);
- max77693_irq_exit(max77693);
+
+ regmap_del_irq_chip(max77693->irq, max77693->irq_data_muic);
+ regmap_del_irq_chip(max77693->irq, max77693->irq_data_charger);
+ regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
+ regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
+
i2c_unregister_device(max77693->muic);
i2c_unregister_device(max77693->haptic);
@@ -222,8 +300,11 @@ static int max77693_suspend(struct device *dev)
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
- if (device_may_wakeup(dev))
- irq_set_irq_wake(max77693->irq, 1);
+ if (device_may_wakeup(dev)) {
+ enable_irq_wake(max77693->irq);
+ disable_irq(max77693->irq);
+ }
+
return 0;
}
@@ -232,9 +313,12 @@ static int max77693_resume(struct device *dev)
struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
struct max77693_dev *max77693 = i2c_get_clientdata(i2c);
- if (device_may_wakeup(dev))
- irq_set_irq_wake(max77693->irq, 0);
- return max77693_irq_resume(max77693);
+ if (device_may_wakeup(dev)) {
+ disable_irq_wake(max77693->irq);
+ enable_irq(max77693->irq);
+ }
+
+ return 0;
}
static const struct dev_pm_ops max77693_pm = {
diff --git a/drivers/regulator/max77693.c b/drivers/regulator/max77693.c
index 653a58b49cdf..c67ff05fc1dd 100644
--- a/drivers/regulator/max77693.c
+++ b/drivers/regulator/max77693.c
@@ -31,6 +31,7 @@
#include <linux/mfd/max77693.h>
#include <linux/mfd/max77693-private.h>
#include <linux/regulator/of_regulator.h>
+#include <linux/regmap.h>
#define CHGIN_ILIM_STEP_20mA 20000
@@ -39,9 +40,9 @@
static int max77693_chg_is_enabled(struct regulator_dev *rdev)
{
int ret;
- u8 val;
+ unsigned int val;
- ret = max77693_read_reg(rdev->regmap, rdev->desc->enable_reg, &val);
+ ret = regmap_read(rdev->regmap, rdev->desc->enable_reg, &val);
if (ret)
return ret;
@@ -57,12 +58,11 @@ static int max77693_chg_get_current_limit(struct regulator_dev *rdev)
{
unsigned int chg_min_uA = rdev->constraints->min_uA;
unsigned int chg_max_uA = rdev->constraints->max_uA;
- u8 reg, sel;
+ unsigned int reg, sel;
unsigned int val;
int ret;
- ret = max77693_read_reg(rdev->regmap,
- MAX77693_CHG_REG_CHG_CNFG_09, &reg);
+ ret = regmap_read(rdev->regmap, MAX77693_CHG_REG_CHG_CNFG_09, &reg);
if (ret < 0)
return ret;
@@ -96,7 +96,7 @@ static int max77693_chg_set_current_limit(struct regulator_dev *rdev,
/* the first four codes for charger current are all 60mA */
sel += 3;
- return max77693_write_reg(rdev->regmap,
+ return regmap_write(rdev->regmap,
MAX77693_CHG_REG_CHG_CNFG_09, sel);
}
/* end of CHARGER regulator ops */
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-06 01:05:26 +0000