From: pascal paillet <p.pail...@st.com>

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

Signed-off-by: pascal paillet <p.pail...@st.com>
---
 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.peurich...@st.com>,
+ * Pascal Paillet <p.pail...@st.com> 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.peurich...@st.com>");
+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.peurich...@st.com>,
+ * Pascal Paillet <p.pail...@st.com> 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.peurich...@st.com>,
+ * Pascal Paillet <p.pail...@st.com> 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

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