[PATCH v2 3/5] dt-bindings: mediatek: mt8192: add audio afe document

[Rob Herring]

On Wed, Oct 21, 2020 at 04:53:53PM +0800, Jiaxin Yu wrote:
> This patch adds mt8192 audio afe document.
> 
> This patch depends on following series that has not been accepted:
> https://patchwork.kernel.org/cover/11752231
> (dt-bindings/clock/mt8192-clk.h is included in it.)
> https://patchwork.kernel.org/patch/11755895
> (dt-bindings/power/mt8192-power.h is included in it.)
> https://lore.kernel.org/patchwork/patch/1321118
> (dt-bindings/reset-controller/mt8192-resets.h is included in it.)
> 
> Signed-off-by: Jiaxin Yu <jiaxin.yu at mediatek.com>
> ---
>  .../bindings/sound/mt8192-afe-pcm.yaml        | 103 ++++++++++++++++++
>  1 file changed, 103 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml
> new file mode 100644
> index 0000000000000..7c2f07b8b66dd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml
> @@ -0,0 +1,103 @@
> +# SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)

GPL-2.0-only OR BSD-2-Clause

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/mt8192-afe-pcm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Mediatek AFE PCM controller for mt8192
> +
> +maintainers:
> +   - Jiaxin Yu <jiaxin.yu at mediatek.com>
> +   - Shane Chien <shane.chien at mediatek.com>
> +
> +properties:
> +  compatible:
> +      const: mediatek,mt8192-audio
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +  reset-names:
> +    const: audiosys
> +
> +  mediatek,apmixedsys:
> +    $ref: "/schemas/types.yaml#/definitions/phandle"
> +    maxItems: 1

A 'phandle' is already 1 item. Drop 'maxItems'.

> +    description: The phandle of the mediatek apmixedsys controller
> +
> +  mediatek,infracfg:
> +    $ref: "/schemas/types.yaml#/definitions/phandle"
> +    maxItems: 1
> +    description: The phandle of the mediatek infracfg controller
> +
> +  mediatek,topckgen:
> +    $ref: "/schemas/types.yaml#/definitions/phandle"
> +    maxItems: 1
> +    description: The phandle of the mediatek topckgen controller
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: AFE clock
> +      - description: ADDA DAC clock
> +      - description: ADDA DAC pre-distortion clock
> +      - description: audio infra sys clock
> +      - description: audio infra 26M clock
> +
> +  clock-names:
> +    items:
> +      - const: aud_afe_clk
> +      - const: aud_dac_clk
> +      - const: aud_dac_predis_clk
> +      - const: aud_infra_clk
> +      - const: aud_infra_26m_clk
> +
> +required:
> +  - compatible
> +  - interrupts
> +  - resets
> +  - reset-names
> +  - mediatek,apmixedsys
> +  - mediatek,infracfg
> +  - mediatek,topckgen
> +  - power-domains
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/mt8192-clk.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    #include <dt-bindings/power/mt8192-power.h>
> +    #include <dt-bindings/reset-controller/mt8192-resets.h>
> +
> +    afe: mt8192-afe-pcm {
> +        compatible = "mediatek,mt8192-audio";
> +        interrupts = <GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH>;
> +        resets = <&watchdog MT8192_TOPRGU_AUDIO_SW_RST>;
> +        reset-names = "audiosys";
> +        mediatek,apmixedsys = <&apmixedsys>;
> +        mediatek,infracfg = <&infracfg>;
> +        mediatek,topckgen = <&topckgen>;
> +        power-domains = <&scpsys MT8192_POWER_DOMAIN_AUDIO>;
> +        clocks = <&audsys CLK_AUD_AFE>,
> +                 <&audsys CLK_AUD_DAC>,
> +                 <&audsys CLK_AUD_DAC_PREDIS>,
> +                 <&infracfg CLK_INFRA_AUDIO>,
> +                 <&infracfg CLK_INFRA_AUDIO_26M_B>;
> +        clock-names = "aud_afe_clk",
> +                      "aud_dac_clk",
> +                      "aud_dac_predis_clk",
> +                      "aud_infra_clk",
> +                      "aud_infra_26m_clk";
> +    };
> +
> +...
> -- 
> 2.18.0