234 lines
6.7 KiB
Plaintext
234 lines
6.7 KiB
Plaintext
RK8XX Power Management Integrated Circuit
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The rk8xx family current members:
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rk805
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rk808
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rk818
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Required properties:
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- compatible: "rockchip,rk805"
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- compatible: "rockchip,rk808"
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- compatible: "rockchip,rk818"
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- reg: I2C slave address
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- interrupts: the interrupt outputs of the controller.
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- #clock-cells: from common clock binding; shall be set to 1 (multiple clock
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outputs). See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
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Optional properties:
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- clock-output-names: From common clock binding to override the
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default output clock name
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- rockchip,system-power-controller: Telling whether or not this pmic is controlling
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the system power.
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Optional RK805 properties:
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- vcc1-supply: The input supply for DCDC_REG1
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- vcc2-supply: The input supply for DCDC_REG2
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- vcc3-supply: The input supply for DCDC_REG3
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- vcc4-supply: The input supply for DCDC_REG4
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- vcc5-supply: The input supply for LDO_REG1 and LDO_REG2
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- vcc6-supply: The input supply for LDO_REG3
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Optional RK808 properties:
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- vcc1-supply: The input supply for DCDC_REG1
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- vcc2-supply: The input supply for DCDC_REG2
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- vcc3-supply: The input supply for DCDC_REG3
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- vcc4-supply: The input supply for DCDC_REG4
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- vcc6-supply: The input supply for LDO_REG1 and LDO_REG2
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- vcc7-supply: The input supply for LDO_REG3 and LDO_REG7
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- vcc8-supply: The input supply for SWITCH_REG1
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- vcc9-supply: The input supply for LDO_REG4 and LDO_REG5
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- vcc10-supply: The input supply for LDO_REG6
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- vcc11-supply: The input supply for LDO_REG8
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- vcc12-supply: The input supply for SWITCH_REG2
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- dvs-gpios: buck1/2 can be controlled by gpio dvs, this is GPIO specifiers
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for 2 host gpio's used for dvs. The format of the gpio specifier depends in
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the gpio controller. If DVS GPIOs aren't present, voltage changes will happen
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very quickly with no slow ramp time.
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Optional RK818 properties:
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- vcc1-supply: The input supply for DCDC_REG1
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- vcc2-supply: The input supply for DCDC_REG2
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- vcc3-supply: The input supply for DCDC_REG3
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- vcc4-supply: The input supply for DCDC_REG4
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- boost-supply: The input supply for DCDC_BOOST
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- vcc6-supply: The input supply for LDO_REG1 and LDO_REG2
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- vcc7-supply: The input supply for LDO_REG3, LDO_REG5 and LDO_REG7
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- vcc8-supply: The input supply for LDO_REG4, LDO_REG6 and LDO_REG8
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- vcc9-supply: The input supply for LDO_REG9 and SWITCH_REG
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- h_5v-supply: The input supply for HDMI_SWITCH
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- usb-supply: The input supply for OTG_SWITCH
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Regulators: All the regulators of RK8XX to be instantiated shall be
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listed in a child node named 'regulators'. Each regulator is represented
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by a child node of the 'regulators' node.
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regulator-name {
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/* standard regulator bindings here */
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};
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Following regulators of the RK805 PMIC regulators are supported. Note that
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the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
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number as described in RK805 datasheet.
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- DCDC_REGn
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- valid values for n are 1 to 4.
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- LDO_REGn
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- valid values for n are 1 to 3
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Following regulators of the RK808 PMIC block are supported. Note that
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the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
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number as described in RK808 datasheet.
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- DCDC_REGn
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- valid values for n are 1 to 4.
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- LDO_REGn
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- valid values for n are 1 to 8.
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- SWITCH_REGn
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- valid values for n are 1 to 2
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Following regulators of the RK818 PMIC block are supported. Note that
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the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
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number as described in RK818 datasheet.
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- DCDC_REGn
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- valid values for n are 1 to 4.
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- LDO_REGn
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- valid values for n are 1 to 9.
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- SWITCH_REG
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- HDMI_SWITCH
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- OTG_SWITCH
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Standard regulator bindings are used inside regulator subnodes. Check
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Documentation/devicetree/bindings/regulator/regulator.txt
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for more details
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Example:
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rk808: pmic@1b {
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compatible = "rockchip,rk808";
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clock-output-names = "xin32k", "rk808-clkout2";
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interrupt-parent = <&gpio0>;
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interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&pmic_int &dvs_1 &dvs_2>;
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dvs-gpios = <&gpio7 11 GPIO_ACTIVE_HIGH>,
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<&gpio7 15 GPIO_ACTIVE_HIGH>;
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reg = <0x1b>;
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rockchip,system-power-controller;
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wakeup-source;
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#clock-cells = <1>;
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vcc8-supply = <&vcc_18>;
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vcc9-supply = <&vcc_io>;
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vcc10-supply = <&vcc_io>;
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vcc12-supply = <&vcc_io>;
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vddio-supply = <&vccio_pmu>;
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regulators {
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vdd_cpu: DCDC_REG1 {
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <750000>;
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regulator-max-microvolt = <1300000>;
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regulator-name = "vdd_arm";
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};
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vdd_gpu: DCDC_REG2 {
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <850000>;
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regulator-max-microvolt = <1250000>;
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regulator-name = "vdd_gpu";
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};
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vcc_ddr: DCDC_REG3 {
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regulator-always-on;
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regulator-boot-on;
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regulator-name = "vcc_ddr";
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};
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vcc_io: DCDC_REG4 {
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vcc_io";
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};
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vccio_pmu: LDO_REG1 {
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vccio_pmu";
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};
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vcc_tp: LDO_REG2 {
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vcc_tp";
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};
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vdd_10: LDO_REG3 {
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1000000>;
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regulator-name = "vdd_10";
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};
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vcc18_lcd: LDO_REG4 {
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-name = "vcc18_lcd";
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};
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vccio_sd: LDO_REG5 {
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vccio_sd";
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};
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vdd10_lcd: LDO_REG6 {
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1000000>;
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regulator-name = "vdd10_lcd";
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};
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vcc_18: LDO_REG7 {
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-name = "vcc_18";
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};
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vcca_codec: LDO_REG8 {
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regulator-always-on;
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regulator-boot-on;
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vcca_codec";
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};
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vcc_wl: SWITCH_REG1 {
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regulator-always-on;
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regulator-boot-on;
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regulator-name = "vcc_wl";
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};
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vcc_lcd: SWITCH_REG2 {
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regulator-always-on;
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regulator-boot-on;
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regulator-name = "vcc_lcd";
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};
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};
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};
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