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https://github.com/54shady/kernel_drivers_examples.git
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regulator : add power tree and head file rk818
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zeroway
@ -115,6 +115,16 @@ done
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## RK818 PMU驱动
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可以从上图中看出TP使用的LDO2,下面就测试这个LDO
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### Usage
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在主dts文件中包含下面的dtsi文件
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#include "rk818_test.dtsi"
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### 测试方法
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- 加载PMU驱动
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File diff suppressed because it is too large
Load Diff
178
debug/regulator/rk818.h
Executable file
178
debug/regulator/rk818.h
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#ifndef __LINUX_REGULATOR_rk818_H
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#define __LINUX_REGULATOR_rk818_H
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#include <linux/regulator/machine.h>
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#include <linux/wakelock.h>
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#include <linux/power_supply.h>
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#define RK818_DCDC1 0 //(0+RK818_START)
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#define RK818_LDO1 4 //(4+RK818_START)
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#define RK818_SECONDS_REG 0x00
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#define RK818_MINUTES_REG 0x01
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#define RK818_HOURS_REG 0x02
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#define RK818_DAYS_REG 0x03
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#define RK818_MONTHS_REG 0x04
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#define RK818_YEARS_REG 0x05
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#define RK818_WEEKS_REG 0x06
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#define RK818_ALARM_SECONDS_REG 0x07
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#define RK818_ALARM_MINUTES_REG 0x08
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#define RK818_ALARM_HOURS_REG 0x09
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#define RK818_ALARM_DAYS_REG 0x0a
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#define RK818_ALARM_MONTHS_REG 0x0b
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#define RK818_ALARM_YEARS_REG 0x0c
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#define RK818_RTC_CTRL_REG 0x10
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#define RK818_RTC_STATUS_REG 0x11
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#define RK818_RTC_INT_REG 0x12
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#define RK818_RTC_COMP_LSB_REG 0x13
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#define RK818_RTC_COMP_MSB_REG 0x14
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#define RK818_CLK32OUT_REG 0x20
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#define RK818_VB_MON_REG 0x21
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#define RK818_THERMAL_REG 0x22
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#define RK818_DCDC_EN_REG 0x23
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#define RK818_LDO_EN_REG 0x24
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#define RK818_SLEEP_SET_OFF_REG1 0x25
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#define RK818_SLEEP_SET_OFF_REG2 0x26
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#define RK818_DCDC_UV_STS_REG 0x27
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#define RK818_DCDC_UV_ACT_REG 0x28
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#define RK818_LDO_UV_STS_REG 0x29
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#define RK818_LDO_UV_ACT_REG 0x2a
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#define RK818_DCDC_PG_REG 0x2b
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#define RK818_LDO_PG_REG 0x2c
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#define RK818_VOUT_MON_TDB_REG 0x2d
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#define RK818_BUCK1_CONFIG_REG 0x2e
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#define RK818_BUCK1_ON_REG 0x2f
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#define RK818_BUCK1_SLP_REG 0x30
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#define RK818_BUCK2_CONFIG_REG 0x32
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#define RK818_BUCK2_ON_REG 0x33
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#define RK818_BUCK2_SLP_REG 0x34
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#define RK818_BUCK3_CONFIG_REG 0x36
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#define RK818_BUCK4_CONFIG_REG 0x37
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#define RK818_BUCK4_ON_REG 0x38
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#define RK818_BUCK4_SLP_VSEL_REG 0x39
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#define RK818_BOOST_CONFIG_REG 0x3a
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#define RK818_LDO1_ON_VSEL_REG 0x3b
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#define RK818_LDO1_SLP_VSEL_REG 0x3c
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#define RK818_LDO2_ON_VSEL_REG 0x3d
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#define RK818_LDO2_SLP_VSEL_REG 0x3e
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#define RK818_LDO3_ON_VSEL_REG 0x3f
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#define RK818_LDO3_SLP_VSEL_REG 0x40
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#define RK818_LDO4_ON_VSEL_REG 0x41
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#define RK818_LDO4_SLP_VSEL_REG 0x42
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#define RK818_LDO5_ON_VSEL_REG 0x43
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#define RK818_LDO5_SLP_VSEL_REG 0x44
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#define RK818_LDO6_ON_VSEL_REG 0x45
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#define RK818_LDO6_SLP_VSEL_REG 0x46
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#define RK818_LDO7_ON_VSEL_REG 0x47
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#define RK818_LDO7_SLP_VSEL_REG 0x48
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#define RK818_LDO8_ON_VSEL_REG 0x49
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#define RK818_LDO8_SLP_VSEL_REG 0x4a
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#define RK818_BOOST_LDO9_ON_VSEL_REG 0x54
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#define RK818_BOOST_LDO9_SLP_VSEL_REG 0x55
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#define RK818_DEVCTRL_REG 0x4b
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#define RK818_INT_STS_REG1 0X4c
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#define RK818_INT_STS_MSK_REG1 0X4d
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#define RK818_INT_STS_REG2 0X4e
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#define RK818_INT_STS_MSK_REG2 0X4f
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#define RK818_IO_POL_REG 0X50
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/* IRQ Definitions */
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#define RK818_IRQ_VOUT_LO 0
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#define RK818_IRQ_VB_LO 1
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#define RK818_IRQ_PWRON 2
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#define RK818_IRQ_PWRON_LP 3
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#define RK818_IRQ_HOTDIE 4
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#define RK818_IRQ_RTC_ALARM 5
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#define RK818_IRQ_RTC_PERIOD 6
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#define RK818_IRQ_USB_OV 7
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#define RK818_IRQ_PLUG_IN 8
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#define RK818_IRQ_PLUG_OUT 9
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#define RK818_IRQ_CHG_OK 10
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#define RK818_IRQ_CHG_TE 11
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#define RK818_IRQ_CHG_TS1 12
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#define RK818_IRQ_TS2 13
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#define RK818_IRQ_CHG_CVTLIM 14
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#define RK818_IRQ_DISCHG_ILIM 6
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#define RK818_NUM_IRQ 16
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#define rk818_NUM_REGULATORS 14
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struct rk818_chip;
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#define RK818_VBAT_LOW_2V8 0x00
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#define RK818_VBAT_LOW_2V9 0x01
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#define RK818_VBAT_LOW_3V0 0x02
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#define RK818_VBAT_LOW_3V1 0x03
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#define RK818_VBAT_LOW_3V2 0x04
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#define RK818_VBAT_LOW_3V3 0x05
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#define RK818_VBAT_LOW_3V4 0x06
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#define RK818_VBAT_LOW_3V5 0x07
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#define VBAT_LOW_VOL_MASK (0x07 << 0)
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#define EN_VABT_LOW_SHUT_DOWN (0x00 << 4)
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#define EN_VBAT_LOW_IRQ (0x1 <<4 )
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#define VBAT_LOW_ACT_MASK (0x1 << 4)
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struct rk818_chip_board {
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int irq;
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int irq_base;
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int irq_gpio;
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int wakeup;
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struct regulator_init_data *rk818_init_data[rk818_NUM_REGULATORS];
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struct device_node *of_node[rk818_NUM_REGULATORS];
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int pmic_sleep_gpio; /* */
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unsigned int dcdc_slp_voltage[3]; /* buckx_voltage in uV */
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bool pmic_sleep;
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unsigned int ldo_slp_voltage[7];
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bool pm_off;
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};
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struct rk818_chip_regulator_subdev {
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int id;
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struct regulator_init_data *initdata;
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};
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struct rk818_chip {
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struct device *dev;
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struct mutex io_lock;
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struct i2c_client *client;
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int num_regulators;
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struct regulator_dev **rdev;
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struct wake_lock irq_wake;
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struct mutex irq_lock;
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int irq_base;
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int irq_num;
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int chip_irq;
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int irq_gpio;
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int wakeup;
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u32 irq_mask;
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struct irq_domain *irq_domain;
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int (*read)(struct rk818_chip *rk818, u8 reg, int size, void *dest);
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int (*write)(struct rk818_chip *rk818, u8 reg, int size, void *src);
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struct battery_platform_data *battery_data;
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int pmic_sleep_gpio;
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unsigned int dcdc_slp_voltage[3]; /* buckx_voltage in uV */
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bool pmic_sleep;
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unsigned int ldo_slp_voltage[7];
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};
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struct rk818_chip_platform_data {
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int num_regulators;
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struct rk818_chip_regulator_subdev *regulators;
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struct battery_platform_data *battery_data;
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int irq;
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int irq_base;
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struct irq_domain *irq_domain;
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};
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int rk818_irq_init(struct rk818_chip *rk818, int irq,struct rk818_chip_board *pdata);
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int rk818_i2c_read(struct rk818_chip *rk818, char reg, int count,u8 *dest);
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int rk818_i2c_write(struct rk818_chip *rk818, char reg, int count, const u8 src);
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int rk818_set_bits(struct rk818_chip *rk818, u8 reg, u8 mask, u8 val);
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int rk818_clear_bits(struct rk818_chip *rk818, u8 reg, u8 mask);
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u8 rk818_reg_read(struct rk818_chip *rk818, u8 reg);
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int rk818_reg_write(struct rk818_chip *rk818, u8 reg, u8 val);
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int rk818_bulk_read(struct rk818_chip *rk818, u8 reg, int count, u8 *buf);
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int rk818_bulk_write(struct rk818_chip *rk818, u8 reg, int count, u8 *buf);
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void rk818_device_shutdown(void);
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#endif
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BIN
debug/regulator/rk818_powertree.png
Normal file
BIN
debug/regulator/rk818_powertree.png
Normal file
Binary file not shown.
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After Width: | Height: | Size: 92 KiB |
8
debug/regulator/rk818_test.dtsi
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8
debug/regulator/rk818_test.dtsi
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&i2c0 {
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regulator_test@5d {
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compatible = "Test,regulator";
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status = "okay";
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reg = <0x5d>;
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VCC_TP-supply = <&rk818_ldo2_reg>;
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};
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};
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