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dt-bindings: mfd: Add rk801 binding
Add DT binding document for Rockchip's RK801 PMIC
Signed-off-by: Joseph Chen <chenjh@rock-chips.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://patch.msgid.link/20260112124351.17707-2-chenjh@rock-chips.com
Signed-off-by: Lee Jones <lee@kernel.org>
authored by
Joseph Chen
and committed by
Lee Jones
a8a2add7
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Documentation/devicetree/bindings/mfd/rockchip,rk801.yaml
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Documentation/devicetree/bindings/mfd/rockchip,rk801.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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$id: http://devicetree.org/schemas/mfd/rockchip,rk801.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: RK801 Power Management Integrated Circuit
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maintainers:
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- Joseph Chen <chenjh@rock-chips.com>
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description: |
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Rockchip RK801 series PMIC. This device consists of an i2c controlled MFD
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that includes multiple switchable regulators.
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properties:
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compatible:
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enum:
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- rockchip,rk801
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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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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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description:
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Device can be used as a wakeup source.
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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.
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vcc6-supply:
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description:
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The input supply for ldo2.
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vcc7-supply:
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description:
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The input supply for switch.
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regulators:
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type: object
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patternProperties:
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"^(dcdc[1-4]|ldo[1-2]|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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required:
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- compatible
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- reg
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- interrupts
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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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rk801: pmic@27 {
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compatible = "rockchip,rk801";
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reg = <0x27>;
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interrupt-parent = <&gpio0>;
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interrupts = <RK_PC0 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&pmic_int_l>;
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system-power-controller;
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wakeup-source;
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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 = <&vcc3v3_sys>;
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vcc6-supply = <&vcc3v3_sys>;
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vcc7-supply = <&vcc3v3_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 = <500000>;
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regulator-max-microvolt = <1500000>;
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regulator-initial-mode = <0x1>;
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regulator-boot-on;
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regulator-always-on;
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regulator-state-mem {
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regulator-mode = <0x2>;
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regulator-off-in-suspend;
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regulator-suspend-microvolt = <950000>;
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};
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};
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vcc3v3_sys: dcdc2 {
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regulator-name = "vcc3v3_sys";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-initial-mode = <0x1>;
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regulator-boot-on;
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regulator-always-on;
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regulator-state-mem {
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regulator-mode = <0x2>;
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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_ddr: dcdc3 {
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regulator-name = "vcc_ddr";
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regulator-boot-on;
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regulator-always-on;
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regulator-state-mem {
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regulator-mode = <0x2>;
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regulator-on-in-suspend;
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};
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};
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vdd_logic: dcdc4 {
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regulator-name = "vdd_logic";
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regulator-min-microvolt = <500000>;
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regulator-max-microvolt = <1500000>;
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regulator-initial-mode = <0x1>;
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regulator-boot-on;
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regulator-always-on;
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regulator-state-mem {
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regulator-mode = <0x2>;
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regulator-off-in-suspend;
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regulator-suspend-microvolt = <900000>;
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};
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};
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vdd0v9_sys: ldo1 {
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regulator-name = "vdd0v9_sys";
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regulator-min-microvolt = <900000>;
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regulator-max-microvolt = <900000>;
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regulator-boot-on;
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regulator-always-on;
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regulator-state-mem {
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regulator-off-in-suspend;
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regulator-suspend-microvolt = <900000>;
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};
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};
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vcc_1v8: ldo2 {
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regulator-name = "vcc_1v8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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regulator-boot-on;
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regulator-always-on;
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regulator-state-mem {
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regulator-off-in-suspend;
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regulator-suspend-microvolt = <1800000>;
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};
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};
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vcc_3v3: switch {
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regulator-name = "vcc_3v3";
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regulator-boot-on;
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regulator-always-on;
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regulator-state-mem {
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regulator-off-in-suspend;
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regulator-suspend-microvolt = <3300000>;
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};
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};
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};
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};
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};