Hi,
Am Donnerstag, 6. September 2018, 18:39:56 CEST schrieb Katsuhiro Suzuki:
> This patch adds port and endpoint of i2s and spdif nodes for rk3328.
> Because to use modern sound card interface such as audio-graph-card.
>
> Signed-off-by: Katsuhiro Suzuki <katsuh...@katsuster.net>
> ---
> arch/arm64/boot/dts/rockchip/rk3328.dtsi | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
> b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
> index d3ef6566325e..41f0a20b73ed 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
> +++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
> @@ -179,7 +179,13 @@
> clock-names = "i2s_clk", "i2s_hclk";
> dmas = <&dmac 11>, <&dmac 12>;
> dma-names = "tx", "rx";
> + #sound-dai-cells = <0>;
> status = "disabled";
> +
> + i2s0_p0: port@0 {
there is only one port per device, so this should probably be
i2s0_p0: port {
without the address. Same for all others.
The of-graph framework should work just fine then as well.
Heiko
