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dt-bindings: mfd: Add rk816 binding
Add DT binding document for Rockchip's RK816 PMIC Signed-off-by: Alex Bee <knaerzche@gmail.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20240416161237.2500037-2-knaerzche@gmail.com Signed-off-by: Lee Jones <lee@kernel.org>
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Alex Bee
Lee Jones
parent
4cece76496
commit
06dfb41b1c
274
Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml
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274
Documentation/devicetree/bindings/mfd/rockchip,rk816.yaml
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mfd/rockchip,rk816.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: RK816 Power Management Integrated Circuit
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maintainers:
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- Chris Zhong <zyw@rock-chips.com>
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- Zhang Qing <zhangqing@rock-chips.com>
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description:
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Rockchip RK816 series PMIC. This device consists of an i2c controlled MFD
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that includes regulators, a RTC, a GPIO controller, a power button, and a
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battery charger manager with fuel gauge.
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properties:
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compatible:
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enum:
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- rockchip,rk816
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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'#clock-cells':
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description:
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See <dt-bindings/clock/rockchip,rk808.h> for clock IDs.
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const: 1
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clock-output-names:
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maxItems: 2
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gpio-controller: true
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'#gpio-cells':
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const: 2
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system-power-controller:
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type: boolean
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description:
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Telling whether or not this PMIC is controlling the system power.
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wakeup-source:
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type: boolean
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vcc1-supply:
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description:
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The input supply for dcdc1.
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vcc2-supply:
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description:
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The input supply for dcdc2.
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vcc3-supply:
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description:
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The input supply for dcdc3.
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vcc4-supply:
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description:
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The input supply for dcdc4.
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vcc5-supply:
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description:
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The input supply for ldo1, ldo2, and ldo3.
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vcc6-supply:
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description:
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The input supply for ldo4, ldo5, and ldo6.
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vcc7-supply:
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description:
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The input supply for boost.
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vcc8-supply:
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description:
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The input supply for otg-switch.
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regulators:
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type: object
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patternProperties:
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'^(boost|dcdc[1-4]|ldo[1-6]|otg-switch)$':
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type: object
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$ref: /schemas/regulator/regulator.yaml#
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unevaluatedProperties: false
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additionalProperties: false
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patternProperties:
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'-pins$':
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type: object
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additionalProperties: false
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$ref: /schemas/pinctrl/pinmux-node.yaml
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properties:
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function:
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enum: [gpio, thermistor]
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pins:
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$ref: /schemas/types.yaml#/definitions/string
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const: gpio0
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required:
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- compatible
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- reg
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- interrupts
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- '#clock-cells'
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/pinctrl/rockchip.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/gpio/gpio.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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rk816: pmic@1a {
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compatible = "rockchip,rk816";
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reg = <0x1a>;
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interrupt-parent = <&gpio0>;
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interrupts = <RK_PA2 IRQ_TYPE_LEVEL_LOW>;
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clock-output-names = "xin32k", "rk816-clkout2";
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pinctrl-names = "default";
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pinctrl-0 = <&pmic_int_l>;
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gpio-controller;
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system-power-controller;
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wakeup-source;
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#clock-cells = <1>;
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#gpio-cells = <2>;
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vcc1-supply = <&vcc_sys>;
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vcc2-supply = <&vcc_sys>;
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vcc3-supply = <&vcc_sys>;
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vcc4-supply = <&vcc_sys>;
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vcc5-supply = <&vcc33_io>;
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vcc6-supply = <&vcc_sys>;
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regulators {
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vdd_cpu: dcdc1 {
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regulator-name = "vdd_cpu";
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regulator-min-microvolt = <750000>;
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regulator-max-microvolt = <1450000>;
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regulator-ramp-delay = <6001>;
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regulator-initial-mode = <1>;
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regulator-always-on;
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regulator-boot-on;
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regulator-state-mem {
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regulator-off-in-suspend;
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};
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};
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vdd_logic: dcdc2 {
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regulator-name = "vdd_logic";
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regulator-min-microvolt = <800000>;
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regulator-max-microvolt = <1250000>;
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regulator-ramp-delay = <6001>;
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regulator-initial-mode = <1>;
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regulator-always-on;
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regulator-boot-on;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <1000000>;
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};
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};
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vcc_ddr: dcdc3 {
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regulator-name = "vcc_ddr";
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regulator-initial-mode = <1>;
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regulator-always-on;
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regulator-boot-on;
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regulator-state-mem {
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regulator-on-in-suspend;
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};
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};
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vcc33_io: dcdc4 {
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-name = "vcc33_io";
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regulator-initial-mode = <1>;
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regulator-always-on;
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regulator-boot-on;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <3300000>;
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};
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};
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vccio_pmu: ldo1 {
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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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regulator-always-on;
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regulator-boot-on;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <3300000>;
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};
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};
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vcc_tp: ldo2 {
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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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regulator-state-mem {
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regulator-off-in-suspend;
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};
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};
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vdd_10: ldo3 {
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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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regulator-always-on;
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regulator-boot-on;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <1000000>;
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};
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};
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vcc18_lcd: ldo4 {
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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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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <1800000>;
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};
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};
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vccio_sd: ldo5 {
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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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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <3300000>;
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};
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};
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vdd10_lcd: ldo6 {
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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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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-suspend-microvolt = <1000000>;
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};
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};
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};
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rk816_gpio_pins: gpio-pins {
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function = "gpio";
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pins = "gpio0";
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};
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};
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};
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