From ed77419d17c0083b471b06aa0e4b557cbe29172a Mon Sep 17 00:00:00 2001 From: Shenfei xu Date: Mon, 11 Jan 2016 11:41:19 +0800 Subject: [PATCH] mfd: dt-bindings: Add RK818 device tree bindings document Add device tree bindings documentation and a header file for rockchip's RK818 pmic Change-Id: Ic021c3555e980fa7f083b0720ab43ba757d032e4 Signed-off-by: Shenfei xu --- .../devicetree/bindings/mfd/rk818.txt | 231 ++++++++++++++++++ 1 file changed, 231 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/rk818.txt diff --git a/Documentation/devicetree/bindings/mfd/rk818.txt b/Documentation/devicetree/bindings/mfd/rk818.txt new file mode 100644 index 000000000000..880c624b4e1f --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/rk818.txt @@ -0,0 +1,231 @@ +RK818 Power Management Integrated Circuit + +Required properties: +- compatible: "rockchip,rk818" +- reg: I2C slave address +- interrupt-parent: The parent interrupt controller. +- interrupts: the interrupt outputs of the controller. +- #clock-cells: from common clock binding; shall be set to 1 (multiple clock + outputs). See for clock IDs. + +Optional properties: +- clock-output-names: From common clock binding to override the + default output clock name +- rockchip,system-power-controller: Telling whether or not this pmic is controlling + the system power. +- vcc1-supply: The input supply for DCDC_REG1 +- vcc2-supply: The input supply for DCDC_REG2 +- vcc3-supply: The input supply for DCDC_REG3 +- vcc4-supply: The input supply for DCDC_REG4 +- vcc6-supply: The input supply for LDO_REG1, LDO_REG2 +- vcc7-supply: The input supply for LDO_REG3, LDO_REG5, LDO_REG7 +- vcc8-supply: The input supply for LOD_REG4, LDO_REG6, LDO_REG8 +- vcc9-supply: The input supply for LDO_REG9, LDO_REG5, SWITCH_REG + +Regulators: All the regulators of RK818 to be instantiated shall be +listed in a child node named 'regulators'. Each regulator is represented +by a child node of the 'regulators' node. + + regulator-name { + /* standard regulator bindings here */ + }; + +Following regulators of the RK818 PMIC block are supported. Note that +the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO +number as described in RK818 datasheet. + + - DCDC_REGn + - valid values for n are 1 to 4. + - LDO_REGn + - valid values for n are 1 to 9. + +Standard regulator bindings are used inside regulator subnodes. Check + Documentation/devicetree/bindings/regulator/regulator.txt +for more details + +Example: + rk818: pmic@1c { + compatible = "rockchip,rk818"; + status = "disabled"; + reg = <0x1c>; + clock-output-names = "xin32k", "wifibt_32kin"; + interrupt-parent = <&gpio0>; + interrupts = <1 IRQ_TYPE_LEVEL_LOW>; + pinctrl-names = "default"; + pinctrl-0 = <&pmic_int>; + rockchip,system-power-controller; + wakeup-source; + #clock-cells = <1>; + + vcc1-supply = <&vcc_sys>; + vcc2-supply = <&vcc_sys>; + vcc3-supply = <&vcc_sys>; + vcc4-supply = <&vcc_sys>; + vcc6-supply = <&vcc_sys>; + vcc7-supply = <&vcc_sys>; + vcc8-supply = <&vcc_sys>; + vcc9-supply = <&vcc33_io>; + + regulators { + vdd_cpu: DCDC_REG1 { + regulator-name = "vdd_logic"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <750000>; + regulator-max-microvolt = <1450000>; + regulator-ramp-delay = <6001>; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + vdd_gpu: DCDC_REG2 { + regulator-name = "vdd_gpu"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1250000>; + regulator-ramp-delay = <6001>; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <1000000>; + }; + }; + + vcc_ddr: DCDC_REG3 { + regulator-always-on; + regulator-boot-on; + regulator-name = "vcc_ddr"; + regulator-state-mem { + regulator-on-in-suspend; + }; + }; + + vcc33_io: DCDC_REG4 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc33_io"; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <3300000>; + }; + }; + + vccio_pmu: LDO_REG1 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vccio_pmu"; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <3300000>; + }; + }; + + vcc_tp: LDO_REG2 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc_tp"; + regulator-state-mem { + regulator-off-in-suspend; + }; + }; + + vdd_10: LDO_REG3 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-name = "vdd_10"; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <1000000>; + }; + }; + + vcc18_lcd: LDO_REG4 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-name = "vcc18_lcd"; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <1800000>; + }; + }; + + vccio_sd: LDO_REG5 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vccio_sd"; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <3300000>; + }; + }; + + vdd10_lcd: LDO_REG6 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-name = "vdd10_lcd"; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <1000000>; + }; + }; + + vcc_18: LDO_REG7 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-name = "vcc_18"; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <1800000>; + }; + }; + + vcca_codec: LDO_REG8 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcca_codec"; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <3300000>; + }; + }; + + vcc_wl: LDO_REG9 { + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-name = "vcc_wl"; + regulator-state-mem { + regulator-on-in-suspend; + regulator-suspend-microvolt = <3300000>; + }; + }; + + vcc_lcd: SWITCH_REG { + regulator-always-on; + regulator-boot-on; + regulator-name = "vcc_lcd"; + regulator-state-mem { + regulator-on-in-suspend; + }; + }; + }; + }; -- 2.34.1