linux-kernel - Re: [PATCH v3 2/2] dt-bindings: leds: Add bindings for MT6360 LED

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Message-ID: <20200915155101.GA2003197@bogus>
Date:   Tue, 15 Sep 2020 09:51:01 -0600
From:   Rob Herring <robh@...nel.org>
To:     Gene Chen <gene.chen.richtek@...il.com>
Cc:     jacek.anaszewski@...il.com, pavel@....cz, matthias.bgg@...il.com,
        dmurphy@...com, linux-leds@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
        gene_chen@...htek.com, Wilma.Wu@...iatek.com,
        shufan_lee@...htek.com, cy_huang@...htek.com,
        benjamin.chao@...iatek.com
Subject: Re: [PATCH v3 2/2] dt-bindings: leds: Add bindings for MT6360 LED

On Mon, Sep 07, 2020 at 06:27:39PM +0800, Gene Chen wrote:
> From: Gene Chen <gene_chen@...htek.com>
> 
> Add bindings document for LED support on MT6360 PMIC
> 
> Signed-off-by: Gene Chen <gene_chen@...htek.com>
> ---
>  .../devicetree/bindings/leds/leds-mt6360.yaml      | 105 +++++++++++++++++++++
>  1 file changed, 105 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/leds/leds-mt6360.yaml
> 
> diff --git a/Documentation/devicetree/bindings/leds/leds-mt6360.yaml b/Documentation/devicetree/bindings/leds/leds-mt6360.yaml
> new file mode 100644
> index 0000000..72914c6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/leds-mt6360.yaml
> @@ -0,0 +1,105 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/leds/leds-mt6360.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: LED driver for MT6360 PMIC from MediaTek Integrated.
> +
> +maintainers:
> +  - Gene Chen <gene_chen@...htek.com>
> +
> +description: |
> +  This module is part of the MT6360 MFD device.
> +  The LED controller is represented as a sub-node of the PMIC node on
> +  the device tree.
> +  This device has six current sinks.
> +
> +properties:
> +  compatible:
> +    const: mediatek,mt6360-led
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +patternProperties:
> +  "^led@[0-5]$":
> +    type: object
> +    description: |

Don't need '|' if no line breaks/formatting to maintain.

> +      Properties for a single LED.

This needs to reference leds/common.yaml.

> +
> +    properties:
> +      reg:
> +        description: Index of the LED.
> +        enum:
> +          - 0 # LED output INDICATOR1
> +          - 1 # LED output INDICATOR2
> +          - 2 # LED output INDICATOR3
> +          - 3 # LED output INDICATOR4
> +          - 4 # LED output FLED1
> +          - 5 # LED output FLED2

       unevaluatedProperties: false

> +
> +required:
> +  - compatible
> +  - "#address-cells"
> +  - "#size-cells"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> +   #include <dt-bindings/leds/common.h>
> +   led-controller {
> +     compatible = "mediatek,mt6360-led";
> +     #address-cells = <1>;
> +     #size-cells = <0>;
> +
> +     led@0 {
> +       reg = <0>;
> +       function = LED_FUNCTION_INDICATOR;
> +       color = <LED_COLOR_ID_RED>;
> +       default-state = "off";
> +     };
> +     led@1 {
> +       reg = <1>;
> +       function = LED_FUNCTION_INDICATOR;
> +       color = <LED_COLOR_ID_GREEN>;
> +       default-state = "off";
> +     };
> +     led@2 {
> +       reg = <2>;
> +       function = LED_FUNCTION_INDICATOR;
> +       color = <LED_COLOR_ID_BLUE>;
> +       default-state = "off";
> +     };
> +     led@3 {
> +       reg = <3>;
> +       function = LED_FUNCTION_INDICATOR;
> +       color = <LED_COLOR_ID_AMBER>;
> +       default-state = "off";
> +     };
> +     led@4 {
> +       reg = <4>;
> +       function = LED_FUNCTION_FLASH;
> +       color = <LED_COLOR_ID_WHITE>;
> +       function-enumerator = <1>;
> +       default-state = "off";
> +       led-max-microamp = <200000>;
> +       flash-max-microamp = <500000>;
> +       flash-max-timeout-us = <1024000>;
> +     };
> +     led@5 {
> +       reg = <5>;
> +       function = LED_FUNCTION_FLASH;
> +       color = <LED_COLOR_ID_WHITE>;
> +       function-enumerator = <2>;
> +       default-state = "off";
> +       led-max-microamp = <200000>;
> +       flash-max-microamp = <500000>;
> +       flash-max-timeout-us = <1024000>;
> +     };
> +   };
> +...
> -- 
> 2.7.4
>