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dt-bindings: power: supply: sbs-manager: Convert to DT schema format
Convert the binding to DT schema format. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> Reviewed-by: Rob Herring <robh@kernel.org>
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2 changed files with 107 additions and 66 deletions
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Binding for sbs-manager
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Required properties:
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- compatible: "<vendor>,<part-number>", "sbs,sbs-charger" as fallback. The part
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number compatible string might be used in order to take care of vendor
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specific registers.
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- reg: integer, i2c address of the device. Should be <0xa>.
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Optional properties:
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- gpio-controller: Marks the port as GPIO controller.
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See "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt.
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- #gpio-cells: Should be <2>. The first cell is the pin number, the second cell
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is used to specify optional parameters:
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See "gpio-specifier" in .../devicetree/bindings/gpio/gpio.txt.
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From OS view the device is basically an i2c-mux used to communicate with up to
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four smart battery devices at address 0xb. The driver actually implements this
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behaviour. So standard i2c-mux nodes can be used to register up to four slave
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batteries. Channels will be numerated starting from 1 to 4.
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Example:
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batman@a {
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compatible = "lltc,ltc1760", "sbs,sbs-manager";
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reg = <0x0a>;
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#address-cells = <1>;
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#size-cells = <0>;
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gpio-controller;
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#gpio-cells = <2>;
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i2c@1 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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battery@b {
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compatible = "ti,bq2060", "sbs,sbs-battery";
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reg = <0x0b>;
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sbs,battery-detect-gpios = <&batman 1 1>;
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};
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};
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i2c@2 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <2>;
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battery@b {
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compatible = "ti,bq2060", "sbs,sbs-battery";
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reg = <0x0b>;
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sbs,battery-detect-gpios = <&batman 2 1>;
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};
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};
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i2c@3 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <3>;
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battery@b {
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compatible = "ti,bq2060", "sbs,sbs-battery";
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reg = <0x0b>;
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sbs,battery-detect-gpios = <&batman 3 1>;
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};
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};
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};
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@ -0,0 +1,107 @@
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# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/power/supply/sbs,sbs-manager.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: SBS compliant manger
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maintainers:
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- Sebastian Reichel <sre@kernel.org>
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allOf:
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- $ref: power-supply.yaml#
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- lltc,ltc1760
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- enum:
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- sbs,sbs-manager
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- items:
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- const: sbs,sbs-manager
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reg:
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const: 0xa
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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gpio-controller: true
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"#gpio-cells":
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const: 2
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required:
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- compatible
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- reg
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additionalProperties: false
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patternProperties:
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"^i2c@[1-4]$":
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type: object
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allOf:
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- $ref: /schemas/i2c/i2c-controller.yaml#
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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/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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batman: battery-manager@a {
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compatible = "lltc,ltc1760", "sbs,sbs-manager";
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reg = <0x0a>;
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#address-cells = <1>;
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#size-cells = <0>;
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gpio-controller;
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#gpio-cells = <2>;
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i2c@1 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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battery@b {
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compatible = "ti,bq20z65", "sbs,sbs-battery";
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reg = <0x0b>;
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sbs,battery-detect-gpios = <&batman 1 1>;
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};
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};
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i2c@2 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <2>;
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battery@b {
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compatible = "ti,bq20z65", "sbs,sbs-battery";
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reg = <0x0b>;
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sbs,battery-detect-gpios = <&batman 2 1>;
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};
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};
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i2c@3 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <3>;
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battery@b {
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compatible = "ti,bq20z65", "sbs,sbs-battery";
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reg = <0x0b>;
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sbs,battery-detect-gpios = <&batman 3 1>;
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};
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};
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};
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};
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