linux-kernel - [PATCH v2 17/20] ARM: tegra: Add S/PDIF node to Tegra20 device-tree

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Message-Id: <20211126161807.15776-18-digetx@gmail.com>
Date:   Fri, 26 Nov 2021 19:18:04 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Liam Girdwood <lgirdwood@...il.com>,
        Agneli <poczt@...tonmail.ch>, Rob Herring <robh+dt@...nel.org>
Cc:     linux-tegra@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH v2 17/20] ARM: tegra: Add S/PDIF node to Tegra20 device-tree

Add S/PDIF node to Tegra20 device-tree. It's needed for enabling HDMI
audio support.

Signed-off-by: Dmitry Osipenko <digetx@...il.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@...80000 {
 			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@...02000 {
 		status = "disabled";
 	};
 
+	tegra_spdif: spdif@...02400 {
+		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@...02800 {
 		compatible = "nvidia,tegra20-i2s";
 		reg = <0x70002800 0x200>;
-- 
2.33.1