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-rw-r--r--include/linux/mfd/rohm-bd70528.h408
1 files changed, 408 insertions, 0 deletions
diff --git a/include/linux/mfd/rohm-bd70528.h b/include/linux/mfd/rohm-bd70528.h
new file mode 100644
index 000000000000..1013e60c5b25
--- /dev/null
+++ b/include/linux/mfd/rohm-bd70528.h
@@ -0,0 +1,408 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/* Copyright (C) 2018 ROHM Semiconductors */
+
+#ifndef __LINUX_MFD_BD70528_H__
+#define __LINUX_MFD_BD70528_H__
+
+#include <linux/bits.h>
+#include <linux/device.h>
+#include <linux/mfd/rohm-generic.h>
+#include <linux/regmap.h>
+
+enum {
+ BD70528_BUCK1,
+ BD70528_BUCK2,
+ BD70528_BUCK3,
+ BD70528_LDO1,
+ BD70528_LDO2,
+ BD70528_LDO3,
+ BD70528_LED1,
+ BD70528_LED2,
+};
+
+struct bd70528_data {
+ struct rohm_regmap_dev chip;
+ struct mutex rtc_timer_lock;
+};
+
+#define BD70528_BUCK_VOLTS 17
+#define BD70528_BUCK_VOLTS 17
+#define BD70528_BUCK_VOLTS 17
+#define BD70528_LDO_VOLTS 0x20
+
+#define BD70528_REG_BUCK1_EN 0x0F
+#define BD70528_REG_BUCK1_VOLT 0x15
+#define BD70528_REG_BUCK2_EN 0x10
+#define BD70528_REG_BUCK2_VOLT 0x16
+#define BD70528_REG_BUCK3_EN 0x11
+#define BD70528_REG_BUCK3_VOLT 0x17
+#define BD70528_REG_LDO1_EN 0x1b
+#define BD70528_REG_LDO1_VOLT 0x1e
+#define BD70528_REG_LDO2_EN 0x1c
+#define BD70528_REG_LDO2_VOLT 0x1f
+#define BD70528_REG_LDO3_EN 0x1d
+#define BD70528_REG_LDO3_VOLT 0x20
+#define BD70528_REG_LED_CTRL 0x2b
+#define BD70528_REG_LED_VOLT 0x29
+#define BD70528_REG_LED_EN 0x2a
+
+/* main irq registers */
+#define BD70528_REG_INT_MAIN 0x7E
+#define BD70528_REG_INT_MAIN_MASK 0x74
+
+/* 'sub irq' registers */
+#define BD70528_REG_INT_SHDN 0x7F
+#define BD70528_REG_INT_PWR_FLT 0x80
+#define BD70528_REG_INT_VR_FLT 0x81
+#define BD70528_REG_INT_MISC 0x82
+#define BD70528_REG_INT_BAT1 0x83
+#define BD70528_REG_INT_BAT2 0x84
+#define BD70528_REG_INT_RTC 0x85
+#define BD70528_REG_INT_GPIO 0x86
+#define BD70528_REG_INT_OP_FAIL 0x87
+
+#define BD70528_REG_INT_SHDN_MASK 0x75
+#define BD70528_REG_INT_PWR_FLT_MASK 0x76
+#define BD70528_REG_INT_VR_FLT_MASK 0x77
+#define BD70528_REG_INT_MISC_MASK 0x78
+#define BD70528_REG_INT_BAT1_MASK 0x79
+#define BD70528_REG_INT_BAT2_MASK 0x7a
+#define BD70528_REG_INT_RTC_MASK 0x7b
+#define BD70528_REG_INT_GPIO_MASK 0x7c
+#define BD70528_REG_INT_OP_FAIL_MASK 0x7d
+
+/* Reset related 'magic' registers */
+#define BD70528_REG_SHIPMODE 0x03
+#define BD70528_REG_HWRESET 0x04
+#define BD70528_REG_WARMRESET 0x05
+#define BD70528_REG_STANDBY 0x06
+
+/* GPIO registers */
+#define BD70528_REG_GPIO_STATE 0x8F
+
+#define BD70528_REG_GPIO1_IN 0x4d
+#define BD70528_REG_GPIO2_IN 0x4f
+#define BD70528_REG_GPIO3_IN 0x51
+#define BD70528_REG_GPIO4_IN 0x53
+#define BD70528_REG_GPIO1_OUT 0x4e
+#define BD70528_REG_GPIO2_OUT 0x50
+#define BD70528_REG_GPIO3_OUT 0x52
+#define BD70528_REG_GPIO4_OUT 0x54
+
+/* clk control */
+
+#define BD70528_REG_CLK_OUT 0x2c
+
+/* RTC */
+
+#define BD70528_REG_RTC_COUNT_H 0x2d
+#define BD70528_REG_RTC_COUNT_L 0x2e
+#define BD70528_REG_RTC_SEC 0x2f
+#define BD70528_REG_RTC_MINUTE 0x30
+#define BD70528_REG_RTC_HOUR 0x31
+#define BD70528_REG_RTC_WEEK 0x32
+#define BD70528_REG_RTC_DAY 0x33
+#define BD70528_REG_RTC_MONTH 0x34
+#define BD70528_REG_RTC_YEAR 0x35
+
+#define BD70528_REG_RTC_ALM_SEC 0x36
+#define BD70528_REG_RTC_ALM_START BD70528_REG_RTC_ALM_SEC
+#define BD70528_REG_RTC_ALM_MINUTE 0x37
+#define BD70528_REG_RTC_ALM_HOUR 0x38
+#define BD70528_REG_RTC_ALM_WEEK 0x39
+#define BD70528_REG_RTC_ALM_DAY 0x3a
+#define BD70528_REG_RTC_ALM_MONTH 0x3b
+#define BD70528_REG_RTC_ALM_YEAR 0x3c
+#define BD70528_REG_RTC_ALM_MASK 0x3d
+#define BD70528_REG_RTC_ALM_REPEAT 0x3e
+#define BD70528_REG_RTC_START BD70528_REG_RTC_SEC
+
+#define BD70528_REG_RTC_WAKE_SEC 0x43
+#define BD70528_REG_RTC_WAKE_START BD70528_REG_RTC_WAKE_SEC
+#define BD70528_REG_RTC_WAKE_MIN 0x44
+#define BD70528_REG_RTC_WAKE_HOUR 0x45
+#define BD70528_REG_RTC_WAKE_CTRL 0x46
+
+#define BD70528_REG_ELAPSED_TIMER_EN 0x42
+#define BD70528_REG_WAKE_EN 0x46
+
+/* WDT registers */
+#define BD70528_REG_WDT_CTRL 0x4A
+#define BD70528_REG_WDT_HOUR 0x49
+#define BD70528_REG_WDT_MINUTE 0x48
+#define BD70528_REG_WDT_SEC 0x47
+
+/* Charger / Battery */
+#define BD70528_REG_CHG_CURR_STAT 0x59
+#define BD70528_REG_CHG_BAT_STAT 0x57
+#define BD70528_REG_CHG_BAT_TEMP 0x58
+#define BD70528_REG_CHG_IN_STAT 0x56
+#define BD70528_REG_CHG_DCIN_ILIM 0x5d
+#define BD70528_REG_CHG_CHG_CURR_WARM 0x61
+#define BD70528_REG_CHG_CHG_CURR_COLD 0x62
+
+/* Masks for main IRQ register bits */
+enum {
+ BD70528_INT_SHDN,
+#define BD70528_INT_SHDN_MASK BIT(BD70528_INT_SHDN)
+ BD70528_INT_PWR_FLT,
+#define BD70528_INT_PWR_FLT_MASK BIT(BD70528_INT_PWR_FLT)
+ BD70528_INT_VR_FLT,
+#define BD70528_INT_VR_FLT_MASK BIT(BD70528_INT_VR_FLT)
+ BD70528_INT_MISC,
+#define BD70528_INT_MISC_MASK BIT(BD70528_INT_MISC)
+ BD70528_INT_BAT1,
+#define BD70528_INT_BAT1_MASK BIT(BD70528_INT_BAT1)
+ BD70528_INT_RTC,
+#define BD70528_INT_RTC_MASK BIT(BD70528_INT_RTC)
+ BD70528_INT_GPIO,
+#define BD70528_INT_GPIO_MASK BIT(BD70528_INT_GPIO)
+ BD70528_INT_OP_FAIL,
+#define BD70528_INT_OP_FAIL_MASK BIT(BD70528_INT_OP_FAIL)
+};
+
+/* IRQs */
+enum {
+ /* Shutdown register IRQs */
+ BD70528_INT_LONGPUSH,
+ BD70528_INT_WDT,
+ BD70528_INT_HWRESET,
+ BD70528_INT_RSTB_FAULT,
+ BD70528_INT_VBAT_UVLO,
+ BD70528_INT_TSD,
+ BD70528_INT_RSTIN,
+ /* Power failure register IRQs */
+ BD70528_INT_BUCK1_FAULT,
+ BD70528_INT_BUCK2_FAULT,
+ BD70528_INT_BUCK3_FAULT,
+ BD70528_INT_LDO1_FAULT,
+ BD70528_INT_LDO2_FAULT,
+ BD70528_INT_LDO3_FAULT,
+ BD70528_INT_LED1_FAULT,
+ BD70528_INT_LED2_FAULT,
+ /* VR FAULT register IRQs */
+ BD70528_INT_BUCK1_OCP,
+ BD70528_INT_BUCK2_OCP,
+ BD70528_INT_BUCK3_OCP,
+ BD70528_INT_LED1_OCP,
+ BD70528_INT_LED2_OCP,
+ BD70528_INT_BUCK1_FULLON,
+ BD70528_INT_BUCK2_FULLON,
+ /* PMU register interrupts */
+ BD70528_INT_SHORTPUSH,
+ BD70528_INT_AUTO_WAKEUP,
+ BD70528_INT_STATE_CHANGE,
+ /* Charger 1 register IRQs */
+ BD70528_INT_BAT_OV_RES,
+ BD70528_INT_BAT_OV_DET,
+ BD70528_INT_DBAT_DET,
+ BD70528_INT_BATTSD_COLD_RES,
+ BD70528_INT_BATTSD_COLD_DET,
+ BD70528_INT_BATTSD_HOT_RES,
+ BD70528_INT_BATTSD_HOT_DET,
+ BD70528_INT_CHG_TSD,
+ /* Charger 2 register IRQs */
+ BD70528_INT_BAT_RMV,
+ BD70528_INT_BAT_DET,
+ BD70528_INT_DCIN2_OV_RES,
+ BD70528_INT_DCIN2_OV_DET,
+ BD70528_INT_DCIN2_RMV,
+ BD70528_INT_DCIN2_DET,
+ BD70528_INT_DCIN1_RMV,
+ BD70528_INT_DCIN1_DET,
+ /* RTC register IRQs */
+ BD70528_INT_RTC_ALARM,
+ BD70528_INT_ELPS_TIM,
+ /* GPIO register IRQs */
+ BD70528_INT_GPIO0,
+ BD70528_INT_GPIO1,
+ BD70528_INT_GPIO2,
+ BD70528_INT_GPIO3,
+ /* Invalid operation register IRQs */
+ BD70528_INT_BUCK1_DVS_OPFAIL,
+ BD70528_INT_BUCK2_DVS_OPFAIL,
+ BD70528_INT_BUCK3_DVS_OPFAIL,
+ BD70528_INT_LED1_VOLT_OPFAIL,
+ BD70528_INT_LED2_VOLT_OPFAIL,
+};
+
+/* Masks */
+#define BD70528_INT_LONGPUSH_MASK 0x1
+#define BD70528_INT_WDT_MASK 0x2
+#define BD70528_INT_HWRESET_MASK 0x4
+#define BD70528_INT_RSTB_FAULT_MASK 0x8
+#define BD70528_INT_VBAT_UVLO_MASK 0x10
+#define BD70528_INT_TSD_MASK 0x20
+#define BD70528_INT_RSTIN_MASK 0x40
+
+#define BD70528_INT_BUCK1_FAULT_MASK 0x1
+#define BD70528_INT_BUCK2_FAULT_MASK 0x2
+#define BD70528_INT_BUCK3_FAULT_MASK 0x4
+#define BD70528_INT_LDO1_FAULT_MASK 0x8
+#define BD70528_INT_LDO2_FAULT_MASK 0x10
+#define BD70528_INT_LDO3_FAULT_MASK 0x20
+#define BD70528_INT_LED1_FAULT_MASK 0x40
+#define BD70528_INT_LED2_FAULT_MASK 0x80
+
+#define BD70528_INT_BUCK1_OCP_MASK 0x1
+#define BD70528_INT_BUCK2_OCP_MASK 0x2
+#define BD70528_INT_BUCK3_OCP_MASK 0x4
+#define BD70528_INT_LED1_OCP_MASK 0x8
+#define BD70528_INT_LED2_OCP_MASK 0x10
+#define BD70528_INT_BUCK1_FULLON_MASK 0x20
+#define BD70528_INT_BUCK2_FULLON_MASK 0x40
+
+#define BD70528_INT_SHORTPUSH_MASK 0x1
+#define BD70528_INT_AUTO_WAKEUP_MASK 0x2
+#define BD70528_INT_STATE_CHANGE_MASK 0x10
+
+#define BD70528_INT_BAT_OV_RES_MASK 0x1
+#define BD70528_INT_BAT_OV_DET_MASK 0x2
+#define BD70528_INT_DBAT_DET_MASK 0x4
+#define BD70528_INT_BATTSD_COLD_RES_MASK 0x8
+#define BD70528_INT_BATTSD_COLD_DET_MASK 0x10
+#define BD70528_INT_BATTSD_HOT_RES_MASK 0x20
+#define BD70528_INT_BATTSD_HOT_DET_MASK 0x40
+#define BD70528_INT_CHG_TSD_MASK 0x80
+
+#define BD70528_INT_BAT_RMV_MASK 0x1
+#define BD70528_INT_BAT_DET_MASK 0x2
+#define BD70528_INT_DCIN2_OV_RES_MASK 0x4
+#define BD70528_INT_DCIN2_OV_DET_MASK 0x8
+#define BD70528_INT_DCIN2_RMV_MASK 0x10
+#define BD70528_INT_DCIN2_DET_MASK 0x20
+#define BD70528_INT_DCIN1_RMV_MASK 0x40
+#define BD70528_INT_DCIN1_DET_MASK 0x80
+
+#define BD70528_INT_RTC_ALARM_MASK 0x1
+#define BD70528_INT_ELPS_TIM_MASK 0x2
+
+#define BD70528_INT_GPIO0_MASK 0x1
+#define BD70528_INT_GPIO1_MASK 0x2
+#define BD70528_INT_GPIO2_MASK 0x4
+#define BD70528_INT_GPIO3_MASK 0x8
+
+#define BD70528_INT_BUCK1_DVS_OPFAIL_MASK 0x1
+#define BD70528_INT_BUCK2_DVS_OPFAIL_MASK 0x2
+#define BD70528_INT_BUCK3_DVS_OPFAIL_MASK 0x4
+#define BD70528_INT_LED1_VOLT_OPFAIL_MASK 0x10
+#define BD70528_INT_LED2_VOLT_OPFAIL_MASK 0x20
+
+#define BD70528_DEBOUNCE_MASK 0x3
+
+#define BD70528_DEBOUNCE_DISABLE 0
+#define BD70528_DEBOUNCE_15MS 1
+#define BD70528_DEBOUNCE_30MS 2
+#define BD70528_DEBOUNCE_50MS 3
+
+#define BD70528_GPIO_DRIVE_MASK 0x2
+#define BD70528_GPIO_PUSH_PULL 0x0
+#define BD70528_GPIO_OPEN_DRAIN 0x2
+
+#define BD70528_GPIO_OUT_EN_MASK 0x80
+#define BD70528_GPIO_OUT_ENABLE 0x80
+#define BD70528_GPIO_OUT_DISABLE 0x0
+
+#define BD70528_GPIO_OUT_HI 0x1
+#define BD70528_GPIO_OUT_LO 0x0
+#define BD70528_GPIO_OUT_MASK 0x1
+
+#define BD70528_GPIO_IN_STATE_BASE 1
+
+#define BD70528_CLK_OUT_EN_MASK 0x1
+
+/* RTC masks to mask out reserved bits */
+
+#define BD70528_MASK_RTC_SEC 0x7f
+#define BD70528_MASK_RTC_MINUTE 0x7f
+#define BD70528_MASK_RTC_HOUR_24H 0x80
+#define BD70528_MASK_RTC_HOUR_PM 0x20
+#define BD70528_MASK_RTC_HOUR 0x1f
+#define BD70528_MASK_RTC_DAY 0x3f
+#define BD70528_MASK_RTC_WEEK 0x07
+#define BD70528_MASK_RTC_MONTH 0x1f
+#define BD70528_MASK_RTC_YEAR 0xff
+#define BD70528_MASK_RTC_COUNT_L 0x7f
+
+#define BD70528_MASK_ELAPSED_TIMER_EN 0x1
+/* Mask second, min and hour fields
+ * HW would support ALM irq for over 24h
+ * (by setting day, month and year too)
+ * but as we wish to keep this same as for
+ * wake-up we limit ALM to 24H and only
+ * unmask sec, min and hour
+ */
+#define BD70528_MASK_ALM_EN 0x7
+#define BD70528_MASK_WAKE_EN 0x1
+
+/* WDT masks */
+#define BD70528_MASK_WDT_EN 0x1
+#define BD70528_MASK_WDT_HOUR 0x1
+#define BD70528_MASK_WDT_MINUTE 0x7f
+#define BD70528_MASK_WDT_SEC 0x7f
+
+#define BD70528_WDT_STATE_BIT 0x1
+#define BD70528_ELAPSED_STATE_BIT 0x2
+#define BD70528_WAKE_STATE_BIT 0x4
+
+/* Charger masks */
+#define BD70528_MASK_CHG_STAT 0x7f
+#define BD70528_MASK_CHG_BAT_TIMER 0x20
+#define BD70528_MASK_CHG_BAT_OVERVOLT 0x10
+#define BD70528_MASK_CHG_BAT_DETECT 0x1
+#define BD70528_MASK_CHG_DCIN1_UVLO 0x1
+#define BD70528_MASK_CHG_DCIN_ILIM 0x3f
+#define BD70528_MASK_CHG_CHG_CURR 0x1f
+#define BD70528_MASK_CHG_TRICKLE_CURR 0x10
+
+/*
+ * Note, external battery register is the lonely rider at
+ * address 0xc5. See how to stuff that in the regmap
+ */
+#define BD70528_MAX_REGISTER 0x94
+
+/* Buck control masks */
+#define BD70528_MASK_RUN_EN 0x4
+#define BD70528_MASK_STBY_EN 0x2
+#define BD70528_MASK_IDLE_EN 0x1
+#define BD70528_MASK_LED1_EN 0x1
+#define BD70528_MASK_LED2_EN 0x10
+
+#define BD70528_MASK_BUCK_VOLT 0xf
+#define BD70528_MASK_LDO_VOLT 0x1f
+#define BD70528_MASK_LED1_VOLT 0x1
+#define BD70528_MASK_LED2_VOLT 0x10
+
+/* Misc irq masks */
+#define BD70528_INT_MASK_SHORT_PUSH 1
+#define BD70528_INT_MASK_AUTO_WAKE 2
+#define BD70528_INT_MASK_POWER_STATE 4
+
+#define BD70528_MASK_BUCK_RAMP 0x10
+#define BD70528_SIFT_BUCK_RAMP 4
+
+#if IS_ENABLED(CONFIG_BD70528_WATCHDOG)
+
+int bd70528_wdt_set(struct rohm_regmap_dev *data, int enable, int *old_state);
+void bd70528_wdt_lock(struct rohm_regmap_dev *data);
+void bd70528_wdt_unlock(struct rohm_regmap_dev *data);
+
+#else /* CONFIG_BD70528_WATCHDOG */
+
+static inline int bd70528_wdt_set(struct rohm_regmap_dev *data, int enable,
+ int *old_state)
+{
+ return 0;
+}
+
+static inline void bd70528_wdt_lock(struct rohm_regmap_dev *data)
+{
+}
+
+static inline void bd70528_wdt_unlock(struct rohm_regmap_dev *data)
+{
+}
+
+#endif /* CONFIG_BD70528_WATCHDOG */
+
+#endif /* __LINUX_MFD_BD70528_H__ */