[PATCH 2/8] mfd: stpmu1: add stpmu1 pmic driver

From: Pascal PAILLET-LME
Date: Thu Jul 05 2018 - 11:16:03 EST

From: pascal paillet <p.paillet@xxxxxx>

stpmu1 is a pmic from STMicroelectronics. The stpmu1 integrates 10
regulators and 3 switches with various capabilities.

Signed-off-by: pascal paillet <p.paillet@xxxxxx>
---
drivers/mfd/Kconfig | 14 ++
drivers/mfd/Makefile | 1 +
drivers/mfd/stpmu1.c | 490 ++++++++++++++++++++++++++++++++++++
include/dt-bindings/mfd/st,stpmu1.h | 46 ++++
include/linux/mfd/stpmu1.h | 220 ++++++++++++++++
5 files changed, 771 insertions(+)
create mode 100644 drivers/mfd/stpmu1.c
create mode 100644 include/dt-bindings/mfd/st,stpmu1.h
create mode 100644 include/linux/mfd/stpmu1.h

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index b860eb5..e15140b 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1812,6 +1812,20 @@ config MFD_STM32_TIMERS
for PWM and IIO Timer. This driver allow to share the
registers between the others drivers.

+config MFD_STPMU1
+ tristate "Support for STPMU1 PMIC"
+ depends on (I2C=y && OF)
+ select REGMAP_I2C
+ select REGMAP_IRQ
+ select MFD_CORE
+ help
+ Support for ST Microelectronics STPMU1 PMIC. Stpmu1 mfd driver is
+ the core driver for stpmu1 component that mainly handles interrupts.
+
+ To compile this driver as a module, choose M here: the
+ module will be called stpmu1.
+
+
menu "Multimedia Capabilities Port drivers"
depends on ARCH_SA1100

diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index e9fd20d..f1c4be1 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -220,6 +220,7 @@ obj-$(CONFIG_INTEL_SOC_PMIC_CHTDC_TI) += intel_soc_pmic_chtdc_ti.o
obj-$(CONFIG_MFD_MT6397) += mt6397-core.o

obj-$(CONFIG_MFD_ALTERA_A10SR) += altera-a10sr.o
+obj-$(CONFIG_MFD_STPMU1) += stpmu1.o
obj-$(CONFIG_MFD_SUN4I_GPADC) += sun4i-gpadc.o

obj-$(CONFIG_MFD_STM32_LPTIMER) += stm32-lptimer.o
diff --git a/drivers/mfd/stpmu1.c b/drivers/mfd/stpmu1.c
new file mode 100644
index 0000000..a284a3e
--- /dev/null
+++ b/drivers/mfd/stpmu1.c
@@ -0,0 +1,490 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) STMicroelectronics 2018 - All Rights Reserved
+ * Author: Philippe Peurichard <philippe.peurichard@xxxxxx>,
+ * Pascal Paillet <p.paillet@xxxxxx> for STMicroelectronics.
+ */
+
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/mfd/core.h>
+#include <linux/mfd/stpmu1.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_irq.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/pm_wakeirq.h>
+#include <linux/regmap.h>
+#include <dt-bindings/mfd/st,stpmu1.h>
+
+static bool stpmu1_reg_readable(struct device *dev, unsigned int reg);
+static bool stpmu1_reg_writeable(struct device *dev, unsigned int reg);
+static bool stpmu1_reg_volatile(struct device *dev, unsigned int reg);
+
+const struct regmap_config stpmu1_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .cache_type = REGCACHE_RBTREE,
+ .max_register = PMIC_MAX_REGISTER_ADDRESS,
+ .readable_reg = stpmu1_reg_readable,
+ .writeable_reg = stpmu1_reg_writeable,
+ .volatile_reg = stpmu1_reg_volatile,
+};
+
+#define FILL_IRQS(_index) \
+ [(_index)] = { \
+ .reg_offset = ((_index) >> 3), \
+ .mask = (1 << (_index % 8)), \
+ }
+
+static const struct regmap_irq stpmu1_irqs[] = {
+ FILL_IRQS(IT_PONKEY_F),
+ FILL_IRQS(IT_PONKEY_R),
+ FILL_IRQS(IT_WAKEUP_F),
+ FILL_IRQS(IT_WAKEUP_R),
+ FILL_IRQS(IT_VBUS_OTG_F),
+ FILL_IRQS(IT_VBUS_OTG_R),
+ FILL_IRQS(IT_SWOUT_F),
+ FILL_IRQS(IT_SWOUT_R),
+
+ FILL_IRQS(IT_CURLIM_BUCK1),
+ FILL_IRQS(IT_CURLIM_BUCK2),
+ FILL_IRQS(IT_CURLIM_BUCK3),
+ FILL_IRQS(IT_CURLIM_BUCK4),
+ FILL_IRQS(IT_OCP_OTG),
+ FILL_IRQS(IT_OCP_SWOUT),
+ FILL_IRQS(IT_OCP_BOOST),
+ FILL_IRQS(IT_OVP_BOOST),
+
+ FILL_IRQS(IT_CURLIM_LDO1),
+ FILL_IRQS(IT_CURLIM_LDO2),
+ FILL_IRQS(IT_CURLIM_LDO3),
+ FILL_IRQS(IT_CURLIM_LDO4),
+ FILL_IRQS(IT_CURLIM_LDO5),
+ FILL_IRQS(IT_CURLIM_LDO6),
+ FILL_IRQS(IT_SHORT_SWOTG),
+ FILL_IRQS(IT_SHORT_SWOUT),
+
+ FILL_IRQS(IT_TWARN_F),
+ FILL_IRQS(IT_TWARN_R),
+ FILL_IRQS(IT_VINLOW_F),
+ FILL_IRQS(IT_VINLOW_R),
+ FILL_IRQS(IT_SWIN_F),
+ FILL_IRQS(IT_SWIN_R),
+};
+
+static const struct regmap_irq_chip stpmu1_regmap_irq_chip = {
+ .name = "pmic_irq",
+ .status_base = INT_PENDING_R1,
+ .mask_base = INT_CLEAR_MASK_R1,
+ .unmask_base = INT_SET_MASK_R1,
+ .ack_base = INT_CLEAR_R1,
+ .num_regs = STPMU1_PMIC_NUM_IRQ_REGS,
+ .irqs = stpmu1_irqs,
+ .num_irqs = ARRAY_SIZE(stpmu1_irqs),
+};
+
+static bool stpmu1_reg_readable(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case TURN_ON_SR:
+ case TURN_OFF_SR:
+ case ICC_LDO_TURN_OFF_SR:
+ case ICC_BUCK_TURN_OFF_SR:
+ case RREQ_STATE_SR:
+ case VERSION_SR:
+ case SWOFF_PWRCTRL_CR:
+ case PADS_PULL_CR:
+ case BUCKS_PD_CR:
+ case LDO14_PD_CR:
+ case LDO56_VREF_PD_CR:
+ case VBUS_DET_VIN_CR:
+ case PKEY_TURNOFF_CR:
+ case BUCKS_MASK_RANK_CR:
+ case BUCKS_MASK_RESET_CR:
+ case LDOS_MASK_RANK_CR:
+ case LDOS_MASK_RESET_CR:
+ case WCHDG_CR:
+ case WCHDG_TIMER_CR:
+ case BUCKS_ICCTO_CR:
+ case LDOS_ICCTO_CR:
+ case BUCK1_ACTIVE_CR:
+ case BUCK2_ACTIVE_CR:
+ case BUCK3_ACTIVE_CR:
+ case BUCK4_ACTIVE_CR:
+ case VREF_DDR_ACTIVE_CR:
+ case LDO1_ACTIVE_CR:
+ case LDO2_ACTIVE_CR:
+ case LDO3_ACTIVE_CR:
+ case LDO4_ACTIVE_CR:
+ case LDO5_ACTIVE_CR:
+ case LDO6_ACTIVE_CR:
+ case BUCK1_STDBY_CR:
+ case BUCK2_STDBY_CR:
+ case BUCK3_STDBY_CR:
+ case BUCK4_STDBY_CR:
+ case VREF_DDR_STDBY_CR:
+ case LDO1_STDBY_CR:
+ case LDO2_STDBY_CR:
+ case LDO3_STDBY_CR:
+ case LDO4_STDBY_CR:
+ case LDO5_STDBY_CR:
+ case LDO6_STDBY_CR:
+ case BST_SW_CR:
+ case INT_PENDING_R1:
+ case INT_PENDING_R2:
+ case INT_PENDING_R3:
+ case INT_PENDING_R4:
+ case INT_DBG_LATCH_R1:
+ case INT_DBG_LATCH_R2:
+ case INT_DBG_LATCH_R3:
+ case INT_DBG_LATCH_R4:
+ case INT_CLEAR_R1:
+ case INT_CLEAR_R2:
+ case INT_CLEAR_R3:
+ case INT_CLEAR_R4:
+ case INT_MASK_R1:
+ case INT_MASK_R2:
+ case INT_MASK_R3:
+ case INT_MASK_R4:
+ case INT_SET_MASK_R1:
+ case INT_SET_MASK_R2:
+ case INT_SET_MASK_R3:
+ case INT_SET_MASK_R4:
+ case INT_CLEAR_MASK_R1:
+ case INT_CLEAR_MASK_R2:
+ case INT_CLEAR_MASK_R3:
+ case INT_CLEAR_MASK_R4:
+ case INT_SRC_R1:
+ case INT_SRC_R2:
+ case INT_SRC_R3:
+ case INT_SRC_R4:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool stpmu1_reg_writeable(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case SWOFF_PWRCTRL_CR:
+ case PADS_PULL_CR:
+ case BUCKS_PD_CR:
+ case LDO14_PD_CR:
+ case LDO56_VREF_PD_CR:
+ case VBUS_DET_VIN_CR:
+ case PKEY_TURNOFF_CR:
+ case BUCKS_MASK_RANK_CR:
+ case BUCKS_MASK_RESET_CR:
+ case LDOS_MASK_RANK_CR:
+ case LDOS_MASK_RESET_CR:
+ case WCHDG_CR:
+ case WCHDG_TIMER_CR:
+ case BUCKS_ICCTO_CR:
+ case LDOS_ICCTO_CR:
+ case BUCK1_ACTIVE_CR:
+ case BUCK2_ACTIVE_CR:
+ case BUCK3_ACTIVE_CR:
+ case BUCK4_ACTIVE_CR:
+ case VREF_DDR_ACTIVE_CR:
+ case LDO1_ACTIVE_CR:
+ case LDO2_ACTIVE_CR:
+ case LDO3_ACTIVE_CR:
+ case LDO4_ACTIVE_CR:
+ case LDO5_ACTIVE_CR:
+ case LDO6_ACTIVE_CR:
+ case BUCK1_STDBY_CR:
+ case BUCK2_STDBY_CR:
+ case BUCK3_STDBY_CR:
+ case BUCK4_STDBY_CR:
+ case VREF_DDR_STDBY_CR:
+ case LDO1_STDBY_CR:
+ case LDO2_STDBY_CR:
+ case LDO3_STDBY_CR:
+ case LDO4_STDBY_CR:
+ case LDO5_STDBY_CR:
+ case LDO6_STDBY_CR:
+ case BST_SW_CR:
+ case INT_DBG_LATCH_R1:
+ case INT_DBG_LATCH_R2:
+ case INT_DBG_LATCH_R3:
+ case INT_DBG_LATCH_R4:
+ case INT_CLEAR_R1:
+ case INT_CLEAR_R2:
+ case INT_CLEAR_R3:
+ case INT_CLEAR_R4:
+ case INT_SET_MASK_R1:
+ case INT_SET_MASK_R2:
+ case INT_SET_MASK_R3:
+ case INT_SET_MASK_R4:
+ case INT_CLEAR_MASK_R1:
+ case INT_CLEAR_MASK_R2:
+ case INT_CLEAR_MASK_R3:
+ case INT_CLEAR_MASK_R4:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static bool stpmu1_reg_volatile(struct device *dev, unsigned int reg)
+{
+ switch (reg) {
+ case TURN_ON_SR:
+ case TURN_OFF_SR:
+ case ICC_LDO_TURN_OFF_SR:
+ case ICC_BUCK_TURN_OFF_SR:
+ case RREQ_STATE_SR:
+ case INT_PENDING_R1:
+ case INT_PENDING_R2:
+ case INT_PENDING_R3:
+ case INT_PENDING_R4:
+ case INT_SRC_R1:
+ case INT_SRC_R2:
+ case INT_SRC_R3:
+ case INT_SRC_R4:
+ case WCHDG_CR:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static int stpmu1_configure_from_dt(struct stpmu1_dev *pmic_dev)
+{
+ struct device_node *np = pmic_dev->np;
+ u32 reg = 0;
+ int ret = 0;
+ int irq;
+
+ irq = of_irq_get(np, 0);
+ if (irq <= 0) {
+ dev_err(pmic_dev->dev,
+ "Failed to get irq config: %d\n", irq);
+ return irq ? irq : -ENODEV;
+ }
+ pmic_dev->irq = irq;
+
+ irq = of_irq_get(np, 1);
+ if (irq <= 0) {
+ dev_err(pmic_dev->dev,
+ "Failed to get irq_wake config: %d\n", irq);
+ return irq ? irq : -ENODEV;
+ }
+ pmic_dev->irq_wake = irq;
+
+ device_init_wakeup(pmic_dev->dev, true);
+ ret = dev_pm_set_dedicated_wake_irq(pmic_dev->dev, pmic_dev->irq_wake);
+ if (ret)
+ dev_warn(pmic_dev->dev, "failed to set up wakeup irq");
+
+ if (!of_property_read_u32(np, "st,main_control_register", &reg)) {
+ ret = regmap_update_bits(pmic_dev->regmap,
+ SWOFF_PWRCTRL_CR,
+ PWRCTRL_POLARITY_HIGH |
+ PWRCTRL_PIN_VALID |
+ RESTART_REQUEST_ENABLED,
+ reg);
+ if (ret) {
+ dev_err(pmic_dev->dev,
+ "Failed to update main control register: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ if (!of_property_read_u32(np, "st,pads_pull_register", &reg)) {
+ ret = regmap_update_bits(pmic_dev->regmap,
+ PADS_PULL_CR,
+ WAKEUP_DETECTOR_DISABLED |
+ PWRCTRL_PD_ACTIVE |
+ PWRCTRL_PU_ACTIVE |
+ WAKEUP_PD_ACTIVE,
+ reg);
+ if (ret) {
+ dev_err(pmic_dev->dev,
+ "Failed to update pads control register: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ if (!of_property_read_u32(np, "st,vin_control_register", &reg)) {
+ ret = regmap_update_bits(pmic_dev->regmap,
+ VBUS_DET_VIN_CR,
+ VINLOW_CTRL_REG_MASK,
+ reg);
+ if (ret) {
+ dev_err(pmic_dev->dev,
+ "Failed to update vin control register: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ if (!of_property_read_u32(np, "st,usb_control_register", &reg)) {
+ ret = regmap_update_bits(pmic_dev->regmap, BST_SW_CR,
+ BOOST_OVP_DISABLED |
+ VBUS_OTG_DETECTION_DISABLED |
+ SW_OUT_DISCHARGE |
+ VBUS_OTG_DISCHARGE |
+ OCP_LIMIT_HIGH,
+ reg);
+ if (ret) {
+ dev_err(pmic_dev->dev,
+ "Failed to update usb control register: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+int stpmu1_device_init(struct stpmu1_dev *pmic_dev)
+{
+ int ret;
+ unsigned int val;
+
+ pmic_dev->regmap =
+ devm_regmap_init_i2c(pmic_dev->i2c, &stpmu1_regmap_config);
+
+ if (IS_ERR(pmic_dev->regmap)) {
+ ret = PTR_ERR(pmic_dev->regmap);
+ dev_err(pmic_dev->dev, "Failed to allocate register map: %d\n",
+ ret);
+ return ret;
+ }
+
+ ret = stpmu1_configure_from_dt(pmic_dev);
+ if (ret < 0) {
+ dev_err(pmic_dev->dev,
+ "Unable to configure PMIC from Device Tree: %d\n", ret);
+ return ret;
+ }
+
+ /* Read Version ID */
+ ret = regmap_read(pmic_dev->regmap, VERSION_SR, &val);
+ if (ret < 0) {
+ dev_err(pmic_dev->dev, "Unable to read pmic version\n");
+ return ret;
+ }
+ dev_dbg(pmic_dev->dev, "PMIC Chip Version: 0x%x\n", val);
+
+ /* Initialize PMIC IRQ Chip & IRQ domains associated */
+ ret = devm_regmap_add_irq_chip(pmic_dev->dev, pmic_dev->regmap,
+ pmic_dev->irq,
+ IRQF_ONESHOT | IRQF_SHARED,
+ 0, &stpmu1_regmap_irq_chip,
+ &pmic_dev->irq_data);
+ if (ret < 0) {
+ dev_err(pmic_dev->dev, "IRQ Chip registration failed: %d\n",
+ ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static const struct of_device_id stpmu1_dt_match[] = {
+ {.compatible = "st,stpmu1"},
+ {},
+};
+
+MODULE_DEVICE_TABLE(of, stpmu1_dt_match);
+
+static int stpmu1_remove(struct i2c_client *i2c)
+{
+ struct stpmu1_dev *pmic_dev = i2c_get_clientdata(i2c);
+
+ of_platform_depopulate(pmic_dev->dev);
+
+ return 0;
+}
+
+static int stpmu1_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct stpmu1_dev *pmic;
+ struct device *dev = &i2c->dev;
+ int ret = 0;
+
+ pmic = devm_kzalloc(dev, sizeof(struct stpmu1_dev), GFP_KERNEL);
+ if (!pmic)
+ return -ENOMEM;
+
+ pmic->np = dev->of_node;
+
+ dev_set_drvdata(dev, pmic);
+ pmic->dev = dev;
+ pmic->i2c = i2c;
+
+ ret = stpmu1_device_init(pmic);
+ if (ret < 0)
+ goto err;
+
+ ret = of_platform_populate(pmic->np, NULL, NULL, pmic->dev);
+
+ dev_dbg(dev, "stpmu1 driver probed\n");
+err:
+ return ret;
+}
+
+static const struct i2c_device_id stpmu1_id[] = {
+ {"stpmu1", 0},
+ {}
+};
+
+MODULE_DEVICE_TABLE(i2c, stpmu1_id);
+
+#ifdef CONFIG_PM_SLEEP
+static int stpmu1_suspend(struct device *dev)
+{
+ struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
+ struct stpmu1_dev *pmic_dev = i2c_get_clientdata(i2c);
+
+ if (device_may_wakeup(dev))
+ enable_irq_wake(pmic_dev->irq_wake);
+
+ disable_irq(pmic_dev->irq);
+ return 0;
+}
+
+static int stpmu1_resume(struct device *dev)
+{
+ struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
+ struct stpmu1_dev *pmic_dev = i2c_get_clientdata(i2c);
+
+ regcache_sync(pmic_dev->regmap);
+
+ if (device_may_wakeup(dev))
+ disable_irq_wake(pmic_dev->irq_wake);
+
+ enable_irq(pmic_dev->irq);
+ return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(stpmu1_pm, stpmu1_suspend, stpmu1_resume);
+
+static struct i2c_driver stpmu1_driver = {
+ .driver = {
+ .name = "stpmu1",
+ .owner = THIS_MODULE,
+ .pm = &stpmu1_pm,
+ .of_match_table = of_match_ptr(stpmu1_dt_match),
+ },
+ .probe = stpmu1_probe,
+ .remove = stpmu1_remove,
+ .id_table = stpmu1_id,
+};
+
+module_i2c_driver(stpmu1_driver);
+
+MODULE_DESCRIPTION("STPMU1 PMIC I2C Client");
+MODULE_AUTHOR("<philippe.peurichard@xxxxxx>");
+MODULE_LICENSE("GPL");
diff --git a/include/dt-bindings/mfd/st,stpmu1.h b/include/dt-bindings/mfd/st,stpmu1.h
new file mode 100644
index 0000000..2d3bdf1
--- /dev/null
+++ b/include/dt-bindings/mfd/st,stpmu1.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) STMicroelectronics 2018 - All Rights Reserved
+ * Author: Philippe Peurichard <philippe.peurichard@xxxxxx>,
+ * Pascal Paillet <p.paillet@xxxxxx> for STMicroelectronics.
+ */
+
+#ifndef __DT_BINDINGS_STPMU1_H__
+#define __DT_BINDINGS_STPMU1_H__
+
+/* IRQ definitions */
+#define IT_PONKEY_F 0
+#define IT_PONKEY_R 1
+#define IT_WAKEUP_F 2
+#define IT_WAKEUP_R 3
+#define IT_VBUS_OTG_F 4
+#define IT_VBUS_OTG_R 5
+#define IT_SWOUT_F 6
+#define IT_SWOUT_R 7
+
+#define IT_CURLIM_BUCK1 8
+#define IT_CURLIM_BUCK2 9
+#define IT_CURLIM_BUCK3 10
+#define IT_CURLIM_BUCK4 11
+#define IT_OCP_OTG 12
+#define IT_OCP_SWOUT 13
+#define IT_OCP_BOOST 14
+#define IT_OVP_BOOST 15
+
+#define IT_CURLIM_LDO1 16
+#define IT_CURLIM_LDO2 17
+#define IT_CURLIM_LDO3 18
+#define IT_CURLIM_LDO4 19
+#define IT_CURLIM_LDO5 20
+#define IT_CURLIM_LDO6 21
+#define IT_SHORT_SWOTG 22
+#define IT_SHORT_SWOUT 23
+
+#define IT_TWARN_F 24
+#define IT_TWARN_R 25
+#define IT_VINLOW_F 26
+#define IT_VINLOW_R 27
+#define IT_SWIN_F 30
+#define IT_SWIN_R 31
+
+#endif /* __DT_BINDINGS_STPMU1_H__ */
diff --git a/include/linux/mfd/stpmu1.h b/include/linux/mfd/stpmu1.h
new file mode 100644
index 0000000..05fd029
--- /dev/null
+++ b/include/linux/mfd/stpmu1.h
@@ -0,0 +1,220 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) STMicroelectronics 2018 - All Rights Reserved
+ * Author: Philippe Peurichard <philippe.peurichard@xxxxxx>,
+ * Pascal Paillet <p.paillet@xxxxxx> for STMicroelectronics.
+ */
+
+#ifndef __LINUX_MFD_STPMU1_H
+#define __LINUX_MFD_STPMU1_H
+
+#define TURN_ON_SR 0x1
+#define TURN_OFF_SR 0x2
+#define ICC_LDO_TURN_OFF_SR 0x3
+#define ICC_BUCK_TURN_OFF_SR 0x4
+#define RREQ_STATE_SR 0x5
+#define VERSION_SR 0x6
+
+#define SWOFF_PWRCTRL_CR 0x10
+#define PADS_PULL_CR 0x11
+#define BUCKS_PD_CR 0x12
+#define LDO14_PD_CR 0x13
+#define LDO56_VREF_PD_CR 0x14
+#define VBUS_DET_VIN_CR 0x15
+#define PKEY_TURNOFF_CR 0x16
+#define BUCKS_MASK_RANK_CR 0x17
+#define BUCKS_MASK_RESET_CR 0x18
+#define LDOS_MASK_RANK_CR 0x19
+#define LDOS_MASK_RESET_CR 0x1A
+#define WCHDG_CR 0x1B
+#define WCHDG_TIMER_CR 0x1C
+#define BUCKS_ICCTO_CR 0x1D
+#define LDOS_ICCTO_CR 0x1E
+
+#define BUCK1_ACTIVE_CR 0x20
+#define BUCK2_ACTIVE_CR 0x21
+#define BUCK3_ACTIVE_CR 0x22
+#define BUCK4_ACTIVE_CR 0x23
+#define VREF_DDR_ACTIVE_CR 0x24
+#define LDO1_ACTIVE_CR 0x25
+#define LDO2_ACTIVE_CR 0x26
+#define LDO3_ACTIVE_CR 0x27
+#define LDO4_ACTIVE_CR 0x28
+#define LDO5_ACTIVE_CR 0x29
+#define LDO6_ACTIVE_CR 0x2A
+
+#define BUCK1_STDBY_CR 0x30
+#define BUCK2_STDBY_CR 0x31
+#define BUCK3_STDBY_CR 0x32
+#define BUCK4_STDBY_CR 0x33
+#define VREF_DDR_STDBY_CR 0x34
+#define LDO1_STDBY_CR 0x35
+#define LDO2_STDBY_CR 0x36
+#define LDO3_STDBY_CR 0x37
+#define LDO4_STDBY_CR 0x38
+#define LDO5_STDBY_CR 0x39
+#define LDO6_STDBY_CR 0x3A
+
+#define BST_SW_CR 0x40
+
+#define INT_PENDING_R1 0x50
+#define INT_PENDING_R2 0x51
+#define INT_PENDING_R3 0x52
+#define INT_PENDING_R4 0x53
+
+#define INT_DBG_LATCH_R1 0x60
+#define INT_DBG_LATCH_R2 0x61
+#define INT_DBG_LATCH_R3 0x62
+#define INT_DBG_LATCH_R4 0x63
+
+#define INT_CLEAR_R1 0x70
+#define INT_CLEAR_R2 0x71
+#define INT_CLEAR_R3 0x72
+#define INT_CLEAR_R4 0x73
+
+#define INT_MASK_R1 0x80
+#define INT_MASK_R2 0x81
+#define INT_MASK_R3 0x82
+#define INT_MASK_R4 0x83
+
+#define INT_SET_MASK_R1 0x90
+#define INT_SET_MASK_R2 0x91
+#define INT_SET_MASK_R3 0x92
+#define INT_SET_MASK_R4 0x93
+
+#define INT_CLEAR_MASK_R1 0xA0
+#define INT_CLEAR_MASK_R2 0xA1
+#define INT_CLEAR_MASK_R3 0xA2
+#define INT_CLEAR_MASK_R4 0xA3
+
+#define INT_SRC_R1 0xB0
+#define INT_SRC_R2 0xB1
+#define INT_SRC_R3 0xB2
+#define INT_SRC_R4 0xB3
+
+#define PMIC_MAX_REGISTER_ADDRESS INT_SRC_R4
+
+#define STPMU1_PMIC_NUM_IRQ_REGS 4
+
+#define TURN_OFF_SR_ICC_EVENT 0x08
+
+#define LDO_VOLTAGE_MASK GENMASK(6, 2)
+#define BUCK_VOLTAGE_MASK GENMASK(7, 2)
+#define LDO_BUCK_VOLTAGE_SHIFT 2
+
+#define LDO_ENABLE_MASK BIT(0)
+#define BUCK_ENABLE_MASK BIT(0)
+
+#define BUCK_HPLP_ENABLE_MASK BIT(1)
+#define BUCK_HPLP_SHIFT 1
+
+#define STDBY_ENABLE_MASK BIT(0)
+
+#define BUCKS_PD_CR_REG_MASK GENMASK(7, 0)
+#define BUCK_MASK_RANK_REGISTER_MASK GENMASK(3, 0)
+#define BUCK_MASK_RESET_REGISTER_MASK GENMASK(3, 0)
+#define LDO1234_PULL_DOWN_REGISTER_MASK GENMASK(7, 0)
+#define LDO56_VREF_PD_CR_REG_MASK GENMASK(5, 0)
+#define LDO_MASK_RANK_REGISTER_MASK GENMASK(5, 0)
+#define LDO_MASK_RESET_REGISTER_MASK GENMASK(5, 0)
+
+#define BUCK1_PULL_DOWN_REG BUCKS_PD_CR
+#define BUCK1_PULL_DOWN_MASK BIT(0)
+#define BUCK2_PULL_DOWN_REG BUCKS_PD_CR
+#define BUCK2_PULL_DOWN_MASK BIT(2)
+#define BUCK3_PULL_DOWN_REG BUCKS_PD_CR
+#define BUCK3_PULL_DOWN_MASK BIT(4)
+#define BUCK4_PULL_DOWN_REG BUCKS_PD_CR
+#define BUCK4_PULL_DOWN_MASK BIT(6)
+
+#define LDO1_PULL_DOWN_REG LDO14_PD_CR
+#define LDO1_PULL_DOWN_MASK BIT(0)
+#define LDO2_PULL_DOWN_REG LDO14_PD_CR
+#define LDO2_PULL_DOWN_MASK BIT(2)
+#define LDO3_PULL_DOWN_REG LDO14_PD_CR
+#define LDO3_PULL_DOWN_MASK BIT(4)
+#define LDO4_PULL_DOWN_REG LDO14_PD_CR
+#define LDO4_PULL_DOWN_MASK BIT(6)
+#define LDO5_PULL_DOWN_REG LDO56_VREF_PD_CR
+#define LDO5_PULL_DOWN_MASK BIT(0)
+#define LDO6_PULL_DOWN_REG LDO56_VREF_PD_CR
+#define LDO6_PULL_DOWN_MASK BIT(2)
+#define VREF_DDR_PULL_DOWN_REG LDO56_VREF_PD_CR
+#define VREF_DDR_PULL_DOWN_MASK BIT(4)
+
+#define BUCKS_ICCTO_CR_REG_MASK GENMASK(6, 0)
+#define LDOS_ICCTO_CR_REG_MASK GENMASK(5, 0)
+
+#define LDO_BYPASS_MASK BIT(7)
+
+/* Main PMIC Control Register
+ * SWOFF_PWRCTRL_CR
+ * Address : 0x10
+ */
+#define ICC_EVENT_ENABLED BIT(4)
+#define PWRCTRL_POLARITY_HIGH BIT(3)
+#define PWRCTRL_PIN_VALID BIT(2)
+#define RESTART_REQUEST_ENABLED BIT(1)
+#define SOFTWARE_SWITCH_OFF_ENABLED BIT(0)
+
+/* Main PMIC PADS Control Register
+ * PADS_PULL_CR
+ * Address : 0x11
+ */
+#define WAKEUP_DETECTOR_DISABLED BIT(4)
+#define PWRCTRL_PD_ACTIVE BIT(3)
+#define PWRCTRL_PU_ACTIVE BIT(2)
+#define WAKEUP_PD_ACTIVE BIT(1)
+#define PONKEY_PU_ACTIVE BIT(0)
+
+/* Main PMIC VINLOW Control Register
+ * VBUS_DET_VIN_CRC DMSC
+ * Address : 0x15
+ */
+#define SWIN_DETECTOR_ENABLED BIT(7)
+#define SWOUT_DETECTOR_ENABLED BIT(6)
+#define VINLOW_ENABLED BIT(0)
+#define VINLOW_CTRL_REG_MASK GENMASK(7, 0)
+
+/* USB Control Register
+ * Address : 0x40
+ */
+#define BOOST_OVP_DISABLED BIT(7)
+#define VBUS_OTG_DETECTION_DISABLED BIT(6)
+#define SW_OUT_DISCHARGE BIT(5)
+#define VBUS_OTG_DISCHARGE BIT(4)
+#define OCP_LIMIT_HIGH BIT(3)
+#define SWIN_SWOUT_ENABLED BIT(2)
+#define USBSW_OTG_SWITCH_ENABLED BIT(1)
+#define BOOST_ENABLED BIT(0)
+
+/* PKEY_TURNOFF_CR
+ * Address : 0x16
+ */
+#define PONKEY_PWR_OFF BIT(7)
+#define PONKEY_CC_FLAG_CLEAR BIT(6)
+#define PONKEY_TURNOFF_TIMER_MASK GENMASK(3, 0)
+#define PONKEY_TURNOFF_MASK GENMASK(7, 0)
+
+/*
+ * struct stpmu1_dev - stpmu1 master device for sub-drivers
+ * @dev: master device of the chip (can be used to access platform data)
+ * @i2c: i2c client private data for regulator
+ * @np: device DT node pointer
+ * @irq_base: base IRQ numbers
+ * @irq: generic IRQ number
+ * @irq_wake: wakeup IRQ number
+ * @regmap_irq_chip_data: irq chip data
+ */
+struct stpmu1_dev {
+ struct device *dev;
+ struct i2c_client *i2c;
+ struct regmap *regmap;
+ struct device_node *np;
+ unsigned int irq_base;
+ int irq;
+ int irq_wake;
+ struct regmap_irq_chip_data *irq_data;
+};
+
+#endif /* __LINUX_MFD_STPMU1_H */
--
1.9.1