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dt-bindings: mfd: maxim,max77802: Convert to dtschema
Convert the MFD part of Maxim MAX77802 PMIC to DT schema format. The example DTS was copied from existing DTS (exynos5800-peach-pi.dts), so keep the license as GPL-2.0-only. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Javier Martinez Canillas <javierm@redhat.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Link: https://lore.kernel.org/r/20220215075344.31421-3-krzysztof.kozlowski@canonical.com
This commit is contained in:
Krzysztof Kozlowski
Lee Jones
parent
6b9d48b418
commit
172e611b54
@ -1,25 +0,0 @@
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Maxim MAX77802 multi-function device
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The Maxim MAX77802 is a Power Management IC (PMIC) that contains 10 high
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efficiency Buck regulators, 32 Low-DropOut (LDO) regulators used to power
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up application processors and peripherals, a 2-channel 32kHz clock outputs,
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a Real-Time-Clock (RTC) and a I2C interface to program the individual
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regulators, clocks outputs and the RTC.
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Bindings for the built-in 32k clock generator block and
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regulators are defined in ../clk/maxim,max77802.txt and
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../regulator/max77802.txt respectively.
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Required properties:
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- compatible : Must be "maxim,max77802"
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- reg : Specifies the I2C slave address of PMIC block.
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- interrupts : I2C device IRQ line connected to the main SoC.
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Example:
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max77802: pmic@9 {
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compatible = "maxim,max77802";
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interrupt-parent = <&intc>;
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interrupts = <26 IRQ_TYPE_NONE>;
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reg = <0x09>;
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};
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194
Documentation/devicetree/bindings/mfd/maxim,max77802.yaml
Normal file
194
Documentation/devicetree/bindings/mfd/maxim,max77802.yaml
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@ -0,0 +1,194 @@
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# SPDX-License-Identifier: GPL-2.0-only
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/mfd/maxim,max77802.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Maxim MAX77802 Power Management IC
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maintainers:
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- Javier Martinez Canillas <javier@dowhile0.org>
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- Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
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description: |
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This is a part of device tree bindings for Maxim MAX77802 Power Management
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Integrated Circuit (PMIC).
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The Maxim MAX77802 is a Power Management IC which includes voltage and
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current regulators (10 high efficiency Buck regulators and 32 Low-DropOut
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(LDO)), RTC and clock outputs.
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The MAX77802 provides two 32.768khz clock outputs that can be controlled
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(gated/ungated) over I2C. The clock IDs are defined as preprocessor macros
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in dt-bindings/clock/maxim,max77802.h.
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properties:
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compatible:
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const: maxim,max77802
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'#clock-cells':
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const: 1
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interrupts:
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maxItems: 1
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reg:
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maxItems: 1
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regulators:
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$ref: /schemas/regulator/maxim,max77802.yaml
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description:
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List of child nodes that specify the regulators.
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inb1-supply:
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description: Power supply for buck1
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inb2-supply:
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description: Power supply for buck2
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inb3-supply:
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description: Power supply for buck3
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inb4-supply:
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description: Power supply for buck4
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inb5-supply:
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description: Power supply for buck5
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inb6-supply:
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description: Power supply for buck6
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inb7-supply:
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description: Power supply for buck7
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inb8-supply:
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description: Power supply for buck8
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inb9-supply:
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description: Power supply for buck9
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inb10-supply:
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description: Power supply for buck10
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inl1-supply:
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description: Power supply for LDO8, LDO15
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inl2-supply:
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description: Power supply for LDO17, LDO27, LDO30, LDO35
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inl3-supply:
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description: Power supply for LDO3, LDO5, LDO7, LDO7
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inl4-supply:
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description: Power supply for LDO10, LDO11, LDO13, LDO14
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inl5-supply:
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description: Power supply for LDO9, LDO19
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inl6-supply:
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description: Power supply for LDO4, LDO21, LDO24, LDO33
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inl7-supply:
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description: Power supply for LDO18, LDO20, LDO28, LDO29
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inl9-supply:
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description: Power supply for LDO12, LDO23, LDO25, LDO26, LDO32, LDO34
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inl10-supply:
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description: Power supply for LDO1, LDO2
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wakeup-source: true
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required:
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- compatible
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- '#clock-cells'
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- reg
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/regulator/maxim,max77802.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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pmic@9 {
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compatible = "maxim,max77802";
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interrupt-parent = <&gpx3>;
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interrupts = <1 IRQ_TYPE_NONE>;
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pinctrl-names = "default";
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pinctrl-0 = <&max77802_irq>, <&pmic_selb>,
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<&pmic_dvs_1>, <&pmic_dvs_2>, <&pmic_dvs_3>;
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wakeup-source;
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reg = <0x9>;
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#clock-cells = <1>;
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inb1-supply = <&tps65090_dcdc2>;
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inb2-supply = <&tps65090_dcdc1>;
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inb3-supply = <&tps65090_dcdc2>;
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inb4-supply = <&tps65090_dcdc2>;
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inb5-supply = <&tps65090_dcdc1>;
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inb6-supply = <&tps65090_dcdc2>;
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inb7-supply = <&tps65090_dcdc1>;
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inb8-supply = <&tps65090_dcdc1>;
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inb9-supply = <&tps65090_dcdc1>;
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inb10-supply = <&tps65090_dcdc1>;
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inl1-supply = <&buck5_reg>;
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inl2-supply = <&buck7_reg>;
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inl3-supply = <&buck9_reg>;
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inl4-supply = <&buck9_reg>;
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inl5-supply = <&buck9_reg>;
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inl6-supply = <&tps65090_dcdc2>;
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inl7-supply = <&buck9_reg>;
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inl9-supply = <&tps65090_dcdc2>;
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inl10-supply = <&buck7_reg>;
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regulators {
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BUCK1 {
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regulator-name = "vdd_mif";
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regulator-min-microvolt = <800000>;
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regulator-max-microvolt = <1300000>;
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regulator-always-on;
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regulator-boot-on;
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regulator-ramp-delay = <12500>;
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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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BUCK2 {
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regulator-name = "vdd_arm";
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regulator-min-microvolt = <800000>;
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regulator-max-microvolt = <1500000>;
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regulator-always-on;
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regulator-boot-on;
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regulator-ramp-delay = <12500>;
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regulator-coupled-with = <&buck3_reg>;
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regulator-coupled-max-spread = <300000>;
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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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// ...
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BUCK10 {
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regulator-name = "vdd_1v8";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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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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LDO1 {
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regulator-name = "vdd_1v0";
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <1000000>;
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regulator-always-on;
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regulator-initial-mode = <MAX77802_OPMODE_NORMAL>;
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regulator-state-mem {
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regulator-on-in-suspend;
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regulator-mode = <MAX77802_OPMODE_LP>;
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};
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};
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// ...
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LDO35 {
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regulator-name = "ldo_35";
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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};
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};
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};
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};
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@ -11695,7 +11695,7 @@ MAXIM MAX77802 PMIC REGULATOR DEVICE DRIVER
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M: Javier Martinez Canillas <javier@dowhile0.org>
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L: linux-kernel@vger.kernel.org
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S: Supported
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F: Documentation/devicetree/bindings/*/*max77802.txt
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F: Documentation/devicetree/bindings/*/*max77802.yaml
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F: drivers/regulator/max77802-regulator.c
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F: include/dt-bindings/*/*max77802.h
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