--- /dev/null
+rk808 Power Management Integrated Circuit
+
+Required properties:
+- compatible: "rockchip,rk808"
+- reg: I2C slave address
+- gpios: the interrupt pin or sleep pin
+ use gpio get IRQ number
+- regulators: This is the list of child nodes that specify the regulator
+ initialization data for defined regulators. Not all regulators for the given
+ device need to be present. The definition for each of these nodes is defined
+ using the standard binding for regulators found at
+ Documentation/devicetree/bindings/regulator/regulator.txt.
+ The regulator is matched with the regulator-compatible.
+
+ The valid regulator-compatible values are:
+ rk808: rk_dcdc1, rk_dcdc2, rk_dcdc3, rk_dcdc4, rk_ldo1, rk_ldo2, rk_ldo3, rk_ldo4, rk_ldo5, rk_ldo6,
+ rk_ldo7, rk_ldo8
+
+Optional properties:
+- gpios:
+ gpios 0 :irq pin gpio
+ gpios 1 :sleep pin gpio
+- regulator-initial-mode: default mode to set on startup
+- regulator-initial-state: suspend state to set at init
+- regulator-state-mem, regulator-state-disk, regulator-state-standby:
+ defines regulator suspend to memory, suspend to disk (hibernate) and standby respectively.
+ have following sub-constarints:
+ - regulator-state-uv: suspend voltage
+ - regulator-state-mode: suspend regulator operating mode
+ - regulator-state-enabled: is regulator enabled in this suspend state
+ - regulator-state-disabled: is the regulator disbled in this suspend state
+-regulator-initial-mode and regulator-state-mode is set as:
+ REGULATOR_MODE_FAST 0x1
+ REGULATOR_MODE_NORMAL 0x2
+ REGULATOR_MODE_IDLE 0x4
+ REGULATOR_MODE_STANDBY 0x8
+
+Example:
+
+ rk808: rk808@1b {
+ reg = <0x1b>;
+ status = "okay";
+ };
+
+ gpios =<&gpio0 GPIO_B3 GPIO_ACTIVE_HIGH>,<&gpio0 GPIO_A1 GPIO_ACTIVE_LOW>;
+
+&rk808 {
+ compatible = "rockchip,rk808";
+
+ regulators {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rk808_dcdc1_reg: regulator@0 {
+ reg = <0>;
+ regulator-compatible = "rk_dcdc1";
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-initial-mode = <0x2>;
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-mode = <0x2>;
+ regulator-state-enabled;
+ regulator-state-uv = <900000>;
+ };
+ };
+
+ rk808_dcdc2_reg: regulator@1 {
+ reg = <1>;
+ regulator-compatible = "rk_dcdc2";
+ regulator-min-microvolt = <700000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-initial-mode = <0x2>;
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-mode = <0x2>;
+ regulator-state-enabled;
+ regulator-state-uv = <900000>;
+ };
+ };
+
+ rk808_dcdc3_reg: regulator@2 {
+ reg = <2>;
+ regulator-compatible = "rk_dcdc3";
+ regulator-initial-mode = <0x2>;
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-mode = <0x2>;
+ regulator-state-enabled;
+ regulator-state-uv = <1200000>;
+ };
+ };
+
+ rk808_dcdc4_reg: regulator@3 {
+ reg = <3>;
+ regulator-compatible = "rk_dcdc4";
+ regulator-initial-mode = <0x2>;
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-mode = <0x2>;
+ regulator-state-enabled;
+ regulator-state-uv = <2800000>;
+ };
+ };
+
+ rk808_ldo1_reg: regulator@4 {
+ reg = <4>;
+ regulator-compatible = "rk_ldo1";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <3300000>;
+ };
+ };
+
+ rk808_ldo2_reg: regulator@5 {
+ reg = <5>;
+ regulator-compatible = "rk_ldo2";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <3300000>;
+ };
+ };
+
+ rk808_ldo3_reg: regulator@6 {
+ reg = <6>;
+ regulator-compatible = "rk_ldo3";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1000000>;
+ };
+ };
+
+ rk808_ldo4_reg: regulator@7{
+ reg = <7>;
+ regulator-compatible = "rk_ldo4";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1800000>;
+ };
+ };
+
+ rk808_ldo5_reg: regulator@8{
+ reg = <8>;
+ regulator-compatible = "rk_ldo5";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <2800000>;
+ };
+ };
+
+ rk808_ldo6_reg: regulator@9{
+ reg = <9>;
+ regulator-compatible = "rk_ldo6";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1200000>;
+ };
+ };
+
+ rk808_ldo7_reg: regulator@10 {
+ reg = <10>;
+ regulator-compatible = "rk_ldo7";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1800000>;
+ };
+ };
+
+ rk808_ldo8_reg: regulator@11{
+ reg = <11>;
+ regulator-compatible = "rk_ldo8";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1800000>;
+ };
+ };
+
+ };
+};
+
--- /dev/null
+act8846 Power Management Integrated Circuit
+
+Required properties:
+- compatible: "act,act8846"
+- reg: I2C slave address
+- gpios: the interrupt pin or sleep pin
+ use gpio get IRQ number
+- regulators: This is the list of child nodes that specify the regulator
+ initialization data for defined regulators. Not all regulators for the given
+ device need to be present. The definition for each of these nodes is defined
+ using the standard binding for regulators found at
+ Documentation/devicetree/bindings/regulator/regulator.txt.
+ The regulator is matched with the regulator-compatible.
+
+ The valid regulator-compatible values are:
+ act8846: act_dcdc1, act_dcdc2, act_dcdc3, act_dcdc4, act_ldo1, act_ldo2, act_ldo3, act_ldo4, act_ldo5, act_ldo6,
+ act_ldo7, act_ldo8
+
+Optional properties:
+- gpios:
+ gpios 0 :vsel pin gpio
+ use vsel pin switch dcdc voltage when reset or power down
+- regulator-initial-mode: default mode to set on startup
+- regulator-initial-state: suspend state to set at init
+- regulator-state-mem, regulator-state-disk, regulator-state-standby:
+ defines regulator suspend to memory, suspend to disk (hibernate) and standby respectively.
+ have following sub-constarints:
+ - regulator-state-uv: suspend voltage
+ - regulator-state-mode: suspend regulator operating mode
+ - regulator-state-enabled: is regulator enabled in this suspend state
+ - regulator-state-disabled: is the regulator disbled in this suspend state
+-regulator-initial-mode and regulator-state-mode is set as:
+ REGULATOR_MODE_FAST 0x1
+ REGULATOR_MODE_NORMAL 0x2
+ REGULATOR_MODE_IDLE 0x4
+ REGULATOR_MODE_STANDBY 0x8
+
+Example:
+
+ act8846: act8846@5a {
+ reg = <0x5a>;
+ status = "okay";
+ };
+
+ gpios =<&gpio3 GPIO_D3 GPIO_ACTIVE_LOW>;
+&act8846{
+
+ compatible = "act,act8846";
+
+ regulators {
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ dcdc1_reg: regulator@0{
+ reg = <0>;
+ regulator-compatible= "act_dcdc1";
+ };
+
+ dcdc2_reg: regulator@1 {
+ reg = <1>;
+ regulator-compatible = "act_dcdc2";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1200000>;
+ };
+ };
+
+ dcdc3_reg: regulator@2 {
+ reg = <2>;
+ regulator-compatible = "act_dcdc3";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1200000>;
+ };
+ };
+
+ dcdc4_reg: regulator@3 {
+ reg = <3>;
+ regulator-compatible = "act_dcdc4";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <3300000>;
+ };
+ };
+
+ ldo1_reg: regulator@4 {
+ reg = <4>;
+ regulator-compatible= "act_ldo1";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
+ };
+
+ ldo2_reg: regulator@5 {
+ reg = <5>;
+ regulator-compatible = "act_ldo2";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
+ };
+
+ ldo3_reg: regulator@6 {
+ reg = <6>;
+ regulator-compatible = "act_ldo3";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
+ };
+
+ ldo4_reg:regulator@7 {
+ reg = <7>;
+ regulator-compatible = "act_ldo4";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
+ };
+
+ ldo5_reg: regulator@8 {
+ reg = <8>;
+ regulator-compatible= "act_ldo5";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
+ };
+
+ ldo6_reg: regulator@9 {
+ reg = <9>;
+ regulator-compatible = "act_ldo6";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
+ };
+
+ ldo7_reg: regulator@10 {
+ reg = <10>;
+ regulator-compatible = "act_ldo7";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
+ };
+
+ ldo8_reg: regulator@11 {
+ reg = <11>;
+ regulator-compatible = "act_ldo8";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
+ };
+ };
+
+};
\ No newline at end of file
regulator-compatible = "act_dcdc2";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1500000>;
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1200000>;
+ };
};
dcdc3_reg: regulator@2 {
regulator-compatible = "act_dcdc3";
regulator-min-microvolt = <800000>;
regulator-max-microvolt = <1500000>;
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1200000>;
+ };
};
dcdc4_reg: regulator@3 {
reg = <3>;
regulator-compatible = "act_dcdc4";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <3300000>;
+ };
};
ldo1_reg: regulator@4 {
reg = <4>;
regulator-compatible= "act_ldo1";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
};
ldo2_reg: regulator@5 {
reg = <5>;
regulator-compatible = "act_ldo2";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
};
ldo3_reg: regulator@6 {
reg = <6>;
regulator-compatible = "act_ldo3";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
};
ldo4_reg:regulator@7 {
reg = <7>;
regulator-compatible = "act_ldo4";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
};
ldo5_reg: regulator@8 {
reg = <8>;
regulator-compatible= "act_ldo5";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
};
ldo6_reg: regulator@9 {
reg = <9>;
regulator-compatible = "act_ldo6";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
};
ldo7_reg: regulator@10 {
reg = <10>;
regulator-compatible = "act_ldo7";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
};
ldo8_reg: regulator@11 {
reg = <11>;
regulator-compatible = "act_ldo8";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ };
};
};
/include/ "act8846.dtsi"
&act8846 {
gpios =<&gpio3 GPIO_D3 GPIO_ACTIVE_LOW>;
- act,pmic-dcdc-sleep-voltage = <1200000>,<1200000>,<1200000>,<3000000>;
- act,pmic-ldo-sleep-voltage = <1000000>,<1200000>,<1800000>,<3300000>,<3300000>,<3300000>,<1800000>,<2800000>;
regulators {
/include/ "rk808.dtsi"
&rk808{
gpios =<&gpio0 GPIO_B3 GPIO_ACTIVE_HIGH>,<&gpio0 GPIO_A1 GPIO_ACTIVE_LOW>;
- rockchip,pmic-dcdc-sleep-voltage = <900000>,<900000>,<1200000>,<3000000>;
- rockchip,pmic-ldo-sleep-voltage = <3300000>,<3300000>,<1000000>,<1800000>,<2800000>,<1200000>,<1800000>,<1800000>;
regulators {
regulator-name= "vdd_arm";
regulator-always-on;
regulator-boot-on;
- /* regulator-initial-mode = <2>;*/
};
rk808_dcdc2_reg: regulator@1 {
regulator-name= "vdd_logic";
regulator-always-on;
regulator-boot-on;
- /* regulator-initial-mode = <2>;*/
};
rk808_dcdc3_reg: regulator@2 {
-
&rk808 {
compatible = "rockchip,rk808";
regulator-compatible = "rk_dcdc1";
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1500000>;
+ regulator-initial-mode = <0x2>;
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-mode = <0x2>;
+ regulator-state-enabled;
+ regulator-state-uv = <900000>;
+ };
};
rk808_dcdc2_reg: regulator@1 {
reg = <1>;
regulator-compatible = "rk_dcdc2";
regulator-min-microvolt = <700000>;
- regulator-max-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-initial-mode = <0x2>;
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-mode = <0x2>;
+ regulator-state-enabled;
+ regulator-state-uv = <900000>;
+ };
};
rk808_dcdc3_reg: regulator@2 {
reg = <2>;
regulator-compatible = "rk_dcdc3";
+ regulator-initial-mode = <0x2>;
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-mode = <0x2>;
+ regulator-state-enabled;
+ regulator-state-uv = <1200000>;
+ };
};
rk808_dcdc4_reg: regulator@3 {
reg = <3>;
regulator-compatible = "rk_dcdc4";
+ regulator-initial-mode = <0x2>;
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-mode = <0x2>;
+ regulator-state-enabled;
+ regulator-state-uv = <2800000>;
+ };
};
rk808_ldo1_reg: regulator@4 {
reg = <4>;
regulator-compatible = "rk_ldo1";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <3300000>;
+ };
};
rk808_ldo2_reg: regulator@5 {
reg = <5>;
regulator-compatible = "rk_ldo2";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <3300000>;
+ };
};
rk808_ldo3_reg: regulator@6 {
reg = <6>;
regulator-compatible = "rk_ldo3";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1000000>;
+ };
};
rk808_ldo4_reg: regulator@7{
reg = <7>;
regulator-compatible = "rk_ldo4";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1800000>;
+ };
};
rk808_ldo5_reg: regulator@8{
reg = <8>;
regulator-compatible = "rk_ldo5";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <2800000>;
+ };
};
rk808_ldo6_reg: regulator@9{
reg = <9>;
regulator-compatible = "rk_ldo6";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1200000>;
+ };
};
rk808_ldo7_reg: regulator@10 {
reg = <10>;
regulator-compatible = "rk_ldo7";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1800000>;
+ };
};
rk808_ldo8_reg: regulator@11{
reg = <11>;
regulator-compatible = "rk_ldo8";
+ regulator-initial-state = <3>;
+ regulator-state-mem {
+ regulator-state-enabled;
+ regulator-state-uv = <1800000>;
+ };
};
};
return NULL;
}
- if (of_get_property(rk808_pmic_np, "rockchip,pmic-dcdc-sleep-voltage", NULL))
- pdata->pmic_sleep = true;
-
- if (of_get_property(rk808_pmic_np, "rockchip,pmic-ldo-sleep-voltage", NULL))
- pdata->pmic_sleep = true;
- if (pdata->pmic_sleep){
- pdata->pmic_sleep_gpio = of_get_named_gpio(rk808_pmic_np,"gpios",1);
+ pdata->pmic_sleep_gpio = of_get_named_gpio(rk808_pmic_np,"gpios",1);
if (!gpio_is_valid(pdata->pmic_sleep_gpio)) {
printk("invalid gpio: %d\n", pdata->pmic_sleep_gpio);
- }
- }
- if (of_property_read_u32_array(rk808_pmic_np,
- "rockchip,pmic-dcdc-sleep-voltage",
- pdata->dcdc_slp_voltage, 4)) {
- printk("dcdc sleep voltages not specified\n");
- }
-
- if (of_property_read_u32_array(rk808_pmic_np,
- "rockchip,pmic-ldo-sleep-voltage",
- pdata->ldo_slp_voltage, 8)) {
- printk("ldo sleep voltages not specified\n");
- }
-
+ }
+ pdata->pmic_sleep = true;
+
return pdata;
}
-static int rk808_dcdc_sleep_voltage_get_val(int min_uV,int buck)
-{
- u16 vsel =0;
-
- if (buck == 0 || buck == 1){
- if (min_uV < 700000)
- vsel = 0;
- else if (min_uV <= 1500000)
- vsel = ((min_uV - 700000) / 12500) ;
- else
- return -EINVAL;
- }
- else if (buck ==3){
- if (min_uV < 1800000)
- vsel = 0;
- else if (min_uV <= 3300000)
- vsel = ((min_uV - 1800000) / 100000) ;
- else
- return -EINVAL;
- }
- return vsel;
-}
-static int rk808_ldo_sleep_voltage_get_val(int min_uV,int ldo)
-{
- const int *vol_map;
- int min_vol = min_uV / 1000;
- int num =0;
- u16 val;
-
- if (ldo ==2){
- vol_map = ldo3_voltage_map;
- num = 15;
- }
- else if (ldo == 5 || ldo ==6){
- vol_map = ldo6_voltage_map;
- num = 17;
- }
- else {
- vol_map = ldo_voltage_map;
- num = 16;
- }
-
- if (min_vol < vol_map[0] ||
- min_vol > vol_map[num])
- return -EINVAL;
- for (val = 0; val <= num; val++){
- if (vol_map[val] >= min_vol)
- break;
- }
-
- return val;
-}
#else
static struct rk808_board *rk808_parse_dt(struct i2c_client *i2c)
{
}
rk808_set_bits(rk808,0x21,(1<<4),(1 <<4));
rk808_set_bits(rk808,0x21,(7<<0),(7 <<0));
+ rk808_set_bits(rk808,0x23,(7<<4),(7 <<4)); //enable boost &swith0\1
if (ret < 0)
goto err;
dev_err(rk808->dev,"Failed to request gpio %d with ret:""%d\n", rk808->pmic_sleep_gpio, ret);
return IRQ_NONE;
}
- gpio_direction_input(rk808->pmic_sleep_gpio);
+ gpio_direction_output(rk808->pmic_sleep_gpio,0);
ret = gpio_get_value(rk808->pmic_sleep_gpio);
gpio_free(rk808->pmic_sleep_gpio);
pr_info("%s: rk808_pmic_sleep=%x\n", __func__, ret);
- }
- for (i = 0;i <4 ; i ++){
- rk808->dcdc_slp_voltage[i] = pdev->dcdc_slp_voltage[i];
- if (rk808->dcdc_slp_voltage[i]){
- if (i ==2)
- continue;
- ret = rk808_set_bits(rk808, (rk808_BUCK_SET_VOL_REG(i) + 0x01), BUCK_VOL_MASK, rk808_dcdc_sleep_voltage_get_val(rk808->dcdc_slp_voltage[i],i));
- }
- }
- for (i = 0;i <8 ; i ++){
- rk808->ldo_slp_voltage[i] = pdev->ldo_slp_voltage[i];
- if (rk808->ldo_slp_voltage[i] ==0)
- ret = rk808_set_bits(rk808, RK808_LDO_EN_REG, 1 << i, 0);
- ret = rk808_set_bits(rk808, (rk808_LDO_SET_VOL_REG(i) + 0x01), LDO_VOL_MASK, rk808_ldo_sleep_voltage_get_val(rk808->ldo_slp_voltage[i],i));
}
#endif
/**********************************************************/
struct act8846_board *pdata;
struct device_node *regs;
struct device_node *act8846_pmic_np;
- int i, count,sleep_voltage_nr =1;
+ int i, count;
int gpio;
printk("%s,line=%d\n", __func__,__LINE__);
pdata->irq = act8846->chip_irq;
pdata->irq_base = -1;
- if (of_get_property(act8846_pmic_np, "act,pmic-dcdc-sleep-voltage", NULL))
- pdata->pmic_sleep = true;
-
- if (of_get_property(act8846_pmic_np, "act,pmic-ldo-sleep-voltage", NULL))
- pdata->pmic_sleep = true;
-
gpio = of_get_named_gpio(act8846_pmic_np,"gpios", 0);
if (!gpio_is_valid(gpio))
printk("invalid gpio: %d\n",gpio);
- pdata->pmic_sleep_gpio = gpio;
-
- if (of_property_read_u32_array(act8846_pmic_np,
- "act,pmic-dcdc-sleep-voltage",
- pdata->dcdc_slp_voltage, sleep_voltage_nr)) {
- printk("dcdc sleep voltages not specified\n");
- }\r
+ pdata->pmic_sleep_gpio = gpio;
+ pdata->pmic_sleep = true;
return pdata;
}
-static int act8846_dcdc_sleep_voltage_get_val(int min_uV,int buck)
-{
- int min_vol = min_uV / 1000, max_vol = min_uV / 1000;
- const int *vol_map = buck_voltage_map;
- u16 val;
-
- if (min_vol < vol_map[VOL_MIN_IDX] ||
- min_vol > vol_map[VOL_MAX_IDX])
- return -EINVAL;
- for (val = VOL_MIN_IDX; val <= VOL_MAX_IDX; val++){
- if (vol_map[val] >= min_vol)
- break;
- }
-
- if (vol_map[val] > max_vol)
- printk("WARNING:this voltage is not support!voltage set is %d mv\n",vol_map[val]);
- return val;
-}
-static int act8846_dts_dcdc_set_mode(unsigned int mode,int buck)
-{
- struct act8846 *act8846 = g_act8846;
- u16 mask = 0x80;
- switch(mode)
- {
- case REGULATOR_MODE_STANDBY:
- return act8846_set_bits(act8846, act8846_BUCK_CONTR_REG(buck), mask, 0);
- case REGULATOR_MODE_NORMAL:
- return act8846_set_bits(act8846, act8846_BUCK_CONTR_REG(buck), mask, mask);
- default:
- printk("error:pmu_act8846 only powersave and pwm mode\n");
- return -EINVAL;
- }
-}
#else
static struct act8846_board *act8846_parse_dt(struct i2c_client *i2c)
{
dev_err(act8846->dev,"Failed to request gpio %d with ret:""%d\n", act8846->pmic_sleep_gpio, ret);
return IRQ_NONE;
}
- gpio_direction_input(act8846->pmic_sleep_gpio);
+ gpio_direction_output(act8846->pmic_sleep_gpio,0);
ret = gpio_get_value(act8846->pmic_sleep_gpio);
gpio_free(act8846->pmic_sleep_gpio);
printk("%s: act8846_pmic_sleep=%x\n", __func__, ret);
}
- for (i = 0;i <4 ; i ++){
- act8846->dcdc_slp_voltage[i] = pdev->dcdc_slp_voltage[i];
- if (act8846->dcdc_slp_voltage[i]){
- if (i ==0)
- continue;
-
- #ifdef CONFIG_ACT8846_SUPPORT_RESET
- ret = act8846_set_bits(act8846, act8846_BUCK_SET_VOL_REG(i) ,BUCK_VOL_MASK, act8846_dcdc_sleep_voltage_get_val(act8846->dcdc_slp_voltage[i],i));
- #else
- ret = act8846_set_bits(act8846, (act8846_BUCK_SET_VOL_REG(i) +0x01),BUCK_VOL_MASK, act8846_dcdc_sleep_voltage_get_val(act8846->dcdc_slp_voltage[i],i));
- #endif
- }
- }
#endif
if (pdev) {
#include <linux/regulator/machine.h>
#include <linux/regulator/of_regulator.h>
+static void set_regulator_state_constraints(struct device_node *np,
+ struct regulator_state *state)
+{
+ of_property_read_u32(np, "regulator-state-uv", &state->uV);
+ of_property_read_u32(np, "regulator-state-mode", &state->mode);
+ state->enabled = of_property_read_bool(np, "regulator-state-enabled");
+ state->disabled = of_property_read_bool(np, "regulator-state-disabled");
+}
+
static void of_get_regulation_constraints(struct device_node *np,
struct regulator_init_data **init_data)
{
const __be32 *min_uV, *max_uV, *uV_offset;
const __be32 *min_uA, *max_uA, *ramp_delay;
+ struct device_node *state;
struct regulation_constraints *constraints = &(*init_data)->constraints;
constraints->name = of_get_property(np, "regulator-name", NULL);
ramp_delay = of_get_property(np, "regulator-ramp-delay", NULL);
if (ramp_delay)
constraints->ramp_delay = be32_to_cpu(*ramp_delay);
+
+ of_property_read_u32(np, "regulator-valid-modes-mask",
+ &constraints->valid_modes_mask);
+ of_property_read_u32(np, "regulator-input-uv",
+ &constraints->input_uV);
+ of_property_read_u32(np, "regulator-initial-mode",
+ &constraints->initial_mode);
+ of_property_read_u32(np, "regulator-initial-state",
+ &constraints->initial_state);
+
+ /* regulator state during low power system states */
+ state = of_find_node_by_name(np, "regulator-state-mem");
+ if (state)
+ set_regulator_state_constraints(state,
+ &constraints->state_mem);
+
+ state = of_find_node_by_name(np, "regulator-state-disk");
+ if (state)
+ set_regulator_state_constraints(state,
+ &constraints->state_disk);
+
+ state = of_find_node_by_name(np, "regulator-state-standby");
+ if (state)
+ set_regulator_state_constraints(state,
+ &constraints->state_standby);
+
+
}
/**
projects / firefly-linux-kernel-4.4.55.git / commitdiff