From 2a91dcd5be9dde3239c87e4309f5878d3e4fb9d2 Mon Sep 17 00:00:00 2001 From: Alex Bee Date: Thu, 28 Aug 2025 16:35:01 +0000 Subject: [PATCH] ARM: dts: rockchip: add HDMI audio to rk3288-miqi Add the sound and i2s nodes to enable HDMI audio output on the MiQi board. Signed-off-by: Alex Bee Signed-off-by: Christian Hewitt Link: https://lore.kernel.org/r/20250828163501.3829226-1-christianshewitt@gmail.com Signed-off-by: Heiko Stuebner --- arch/arm/boot/dts/rockchip/rk3288-miqi.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/rockchip/rk3288-miqi.dts b/arch/arm/boot/dts/rockchip/rk3288-miqi.dts index 96c8827aedd3e..a5f5c6d38f801 100644 --- a/arch/arm/boot/dts/rockchip/rk3288-miqi.dts +++ b/arch/arm/boot/dts/rockchip/rk3288-miqi.dts @@ -78,6 +78,21 @@ regulator-always-on; regulator-boot-on; }; + + sound { + compatible = "simple-audio-card"; + simple-audio-card,format = "i2s"; + simple-audio-card,name = "HDMI"; + simple-audio-card,mclk-fs = <512>; + + simple-audio-card,codec { + sound-dai = <&hdmi>; + }; + + simple-audio-card,cpu { + sound-dai = <&i2s>; + }; + }; }; &cpu0 { @@ -285,6 +300,11 @@ status = "okay"; }; +&i2s { + #sound-dai-cells = <0>; + status = "okay"; +}; + &io_domains { status = "okay"; -- 2.47.3