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