Re: [PATCH 3/3] ARM: dts: sun8i: V3/S3: add i2s peripheral

From: Maxime Ripard
Date: Tue Mar 02 2021 - 04:49:55 EST


Hi,

On Fri, Feb 26, 2021 at 11:30:28AM +0100, Tobias Schramm wrote:
> The V3 and S3 SoCs feature an i2s peripheral identical to that of the H3.
> Add it to the dts.
>
> Signed-off-by: Tobias Schramm <t.schramm@xxxxxxxxxxx>

Why is it added to the v3 DTSI and not the global one?

> ---
> arch/arm/boot/dts/sun8i-v3.dtsi | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-v3.dtsi b/arch/arm/boot/dts/sun8i-v3.dtsi
> index c279e13583ba..17ea6b8f091f 100644
> --- a/arch/arm/boot/dts/sun8i-v3.dtsi
> +++ b/arch/arm/boot/dts/sun8i-v3.dtsi
> @@ -30,3 +30,18 @@ uart1_pg_pins: uart1-pg-pins {
> function = "uart1";
> };
> };
> +
> +&soc {

You don't need a label for that, you can just put it under / { soc {

> + i2s0: i2s@1c22000 {
> + #sound-dai-cells = <0>;
> + compatible = "allwinner,sun8i-h3-i2s";

We should also have a v3 specific compatible here in addition to the H3
(and document it in the bindings).

Maxime

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