linux-kernel - [PATCH 24/31] ARM: dts: rockchip: Add 8-channel I2S for RK3128

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Date:   Tue, 29 Aug 2023 19:16:40 +0200
From:   Alex Bee <knaerzche@...il.com>
To:     Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, Lee Jones <lee@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>, Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>
Cc:     Elaine Zhang <zhangqing@...k-chips.com>,
        Johan Jonker <jbx6244@...il.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, alsa-devel@...a-project.org,
        linux-clk@...r.kernel.org, linux-phy@...ts.infradead.org,
        Alex Bee <knaerzche@...il.com>
Subject: [PATCH 24/31] ARM: dts: rockchip: Add 8-channel I2S for RK3128

RK3128 has a second I2S block with 8 playback channels.
It's internally hard-wired to the HDMI-TX, thus only usable with it.

Signed-off-by: Alex Bee <knaerzche@...il.com>
---
 arch/arm/boot/dts/rockchip/rk3128.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/rockchip/rk3128.dtsi b/arch/arm/boot/dts/rockchip/rk3128.dtsi
index 4c5c9728179e..2339232ae2d7 100644
--- a/arch/arm/boot/dts/rockchip/rk3128.dtsi
+++ b/arch/arm/boot/dts/rockchip/rk3128.dtsi
@@ -7,6 +7,20 @@
 / {
 	compatible = "rockchip,rk3128";
 
+	i2s_8ch: i2s@...00000 {
+		compatible = "rockchip,rk3128-i2s", "rockchip,rk3066-i2s";
+		reg = <0x10200000 0x1000>;
+		interrupts = <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru SCLK_I2S0>, <&cru HCLK_I2S_8CH>;
+		clock-names = "i2s_clk", "i2s_hclk";
+		dmas = <&pdma 14>, <&pdma 15>;
+		dma-names = "tx", "rx";
+		rockchip,playback-channels = <8>;
+		rockchip,capture-channels = <2>;
+		#sound-dai-cells = <0>;
+		status = "disabled";
+	};
+
 	i2c3: i2c@...5e000 {
 		compatible = "rockchip,rk3128-i2c", "rockchip,rk3288-i2c";
 		reg = <0x2005e000 0x1000>;
-- 
2.42.0