Re: [PATCH v1 17/20] ARM: tegra: Add S/PDIF node to Tegra20 device-tree

25 Nov 2021

25.11.2021 01:00, Dmitry Osipenko пишет:
...
Add S/PDIF node to Tegra20 device-tree. It's needed for enabling HDMI
audio support.
Signed-off-by: Dmitry Osipenko digetx@gmail.com
arch/arm/boot/dts/tegra20.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index 63c2c2f8c0ce..799da7dc929b 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -197,6 +197,7 @@ hdmi@54280000 {
   		reset-names = "hdmi";
   		power-domains = <&pd_core>;
   		operating-points-v2 = <&hdmi_dvfs_opp_table>;

	#sound-dai-cells = <0>;
status = "disabled";

};

@@ -396,6 +397,23 @@ tegra_ac97: ac97@70002000 {
   	status = "disabled";
   };

tegra_spdif: spdif@70002400 {
compatible = "nvidia,tegra20-spdif";


reg = <0x70002400 0x200>;


interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;


clocks = <&tegra_car TEGRA20_CLK_SPDIF_OUT>,


	 <&tegra_car TEGRA20_CLK_SPDIF_IN>;


clock-names = "spdif_out", "spdif_in";


resets = <&tegra_car 10>;


dmas = <&apbdma 3>, <&apbdma 3>;


dma-names = "rx", "tx";


#sound-dai-cells = <0>;


status = "disabled";



assigned-clocks = <&tegra_car TEGRA20_CLK_SPDIF_OUT>;


assigned-clock-parents = <&tegra_car TEGRA20_CLK_PLL_A_OUT0>;


};
tegra_i2s1: i2s@70002800 {
  compatible = "nvidia,tegra20-i2s";
  reg = <0x70002800 0x200>;

@Thierry, this patch is made on top of [1].
[1] https://patchwork.ozlabs.org/project/linux-tegra/list/?series=271954

    