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

[Jiaxin Yu]

On Mon, 2020-10-05 at 08:57 -0500, Rob Herring wrote:
> On Fri, Oct 02, 2020 at 03:35:40PM +0800, Jiaxin Yu wrote:
> > This patch adds mt8192 audio afe document.
> > 
> > Signed-off-by: Jiaxin Yu <jiaxin.yu at mediatek.com>
> > ---
> >  .../bindings/sound/mt8192-afe-pcm.yaml        | 98 +++++++++++++++++++
> >  1 file changed, 98 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..43852315f1867
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/sound/mt8192-afe-pcm.yaml
> > @@ -0,0 +1,98 @@
> > +# SPDX-License-Identifier: GPL-2.0
> 
> Dual license new bindings:
> 
> (GPL-2.0-only OR BSD-2-Clause)
> 
Ok, got it.

> > +%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:
> > +    contains:
> 
> So any other string in addition is okay?
> 
No, there will be no other string. So do I need to remove "contains"?

> > +      const: mediatek,mt8192-audio
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +    description: AFE interrupt line
> 
> Drop description.
> 
Ok.

> > +
> > +  resets:
> > +    maxItems: 1
> > +
> > +  reset-names:
> > +    const: audiosys
> > +
> > +  apmixedsys:
> > +    maxItems: 1
> 
> This is an array?
> 
No, it is just a phandle to the mediatek apmixedsys controller.

> > +    description: The mediatek apmixedsys controller
> > +
> > +  infracfg:
> > +    maxItems: 1
> > +    description: The mediatek infracfg controller
> > +
> > +  topckgen:
> > +    maxItems: 1
> > +    description: The mediatek topckgen controller
> 
> These all need a type reference and and vendor prefix.
> 
Should I change it to the following?

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
> > +  - power-domains
> > +  - clocks
> > +  - clock-names
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/clock/mt8192-clk.h>
> > +    #include <dt-bindings/interrupt-controller/irq.h>
> > +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> > +    #include <dt-bindings/power/mt8192-power.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";
> > +        apmixedsys = <&apmixedsys>;
> > +        infracfg = <&infracfg>;
> > +        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