linux-kernel - Re: [PATCH v3 7/7] arm64: dts: sun50i-h6: Add HDMI audio to H6 DTSI

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Date:   Sun, 26 Apr 2020 13:51:19 +0200
From:   Clément Péron <peron.clem@...il.com>
To:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>, Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>
Cc:     Linux-ALSA <alsa-devel@...a-project.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Jernej Skrabec <jernej.skrabec@...l.net>,
        Marcus Cooper <codekipper@...il.com>
Subject: Re: [PATCH v3 7/7] arm64: dts: sun50i-h6: Add HDMI audio to H6 DTSI

Hi,

On Sun, 26 Apr 2020 at 12:41, Clément Péron <peron.clem@...il.com> wrote:
>
> From: Jernej Skrabec <jernej.skrabec@...l.net>
>
> Add a simple-soundcard to link audio between HDMI and I2S.
>
> Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
> Signed-off-by: Marcus Cooper <codekipper@...il.com>
> Signed-off-by: Clément Péron <peron.clem@...il.com>
> ---
>  arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 31 ++++++++++++++++++++
>  1 file changed, 31 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> index a5ee68388bd3..558fe63739cb 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> @@ -88,6 +88,24 @@
>                         (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
>         };
>
> +       sound_hdmi: sound {

I will rename this to
hdmi_sound: hdmi-sound {

in the next version

> +               compatible = "simple-audio-card";
> +               simple-audio-card,format = "i2s";
> +               simple-audio-card,name = "allwinner-hdmi";
> +               simple-audio-card,mclk-fs = <128>;
> +               simple-audio-card,frame-inversion;

And I will add a status="disabled" here as not all board have an hdmi connector

Regards,
Clement

> +
> +               simple-audio-card,codec {
> +                       sound-dai = <&hdmi>;
> +               };
> +
> +               simple-audio-card,cpu {
> +                       sound-dai = <&i2s1>;
> +                       dai-tdm-slot-num = <2>;
> +                       dai-tdm-slot-width = <32>;
> +               };
> +       };
> +
>         soc {
>                 compatible = "simple-bus";
>                 #address-cells = <1>;
> @@ -581,6 +599,18 @@
>                         };
>                 };
>
> +               i2s1: i2s@...1000 {
> +                       #sound-dai-cells = <0>;
> +                       compatible = "allwinner,sun50i-h6-i2s";
> +                       reg = <0x05091000 0x1000>;
> +                       interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
> +                       clocks = <&ccu CLK_BUS_I2S1>, <&ccu CLK_I2S1>;
> +                       clock-names = "apb", "mod";
> +                       dmas = <&dma 4>, <&dma 4>;
> +                       resets = <&ccu RST_BUS_I2S1>;
> +                       dma-names = "rx", "tx";
> +               };
> +
>                 spdif: spdif@...3000 {
>                         #sound-dai-cells = <0>;
>                         compatible = "allwinner,sun50i-h6-spdif";
> @@ -711,6 +741,7 @@
>                 };
>
>                 hdmi: hdmi@...0000 {
> +                       #sound-dai-cells = <0>;
>                         compatible = "allwinner,sun50i-h6-dw-hdmi";
>                         reg = <0x06000000 0x10000>;
>                         reg-io-width = <1>;
> --
> 2.20.1
>