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Enable HDMI sound for Miqi & Miqi clones (#2519)

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Sound node recovered from Pull Request #408
Sound node name changed in line with tinkerboard & xt-q8l, cf. issue #1367
Also added missing i2s node, cf. http://rockchip.wikidot.com/hdmi-audio
HDMI audio now confirmed working on Miqi clone, Openhour Chameleon
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Alex van Vucht 2020-12-31 03:43:20 +11:00 • committed by GitHub
parent c4fd841e5e
commit 0c0a164e5c
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patch/kernel/rockchip-dev/2027-ARM-DTS-rk3288-miqi-enable-sound.patch Normal file
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@ -0,0 +1,61 @@
Sound node recovered from Pull Request #408
Node name changed in line with tinkerboard & xt-q8l, cf. issue #1367
Also added missing i2s node, cf. http://rockchip.wikidot.com/hdmi-audio
From b5d066aba887ebd5963da588d0229d356f1ae79a Mon Sep 17 00:00:00 2001
From: Sebastian <nitroshift@yahoo.com>
Date: Wed, 14 Mar 2018 12:49:45 +0200
Subject: [PATCH] MIQI-DTS-enable-sound-node
Add missing sound node in rk3288-miqi.dts. Compile and run-tested on miqi device with kernel 4.16.0-rc5.
---
diff --git a/arch/arm/boot/dts/rk3288-miqi.dts b/arch/arm/boot/dts/rk3288-miqi.dts
index dd785c7..5824ee7 100644
--- a/arch/arm/boot/dts/rk3288-miqi.dts
+++ b/arch/arm/boot/dts/rk3288-miqi.dts
@@ -57,6 +57,23 @@
reg = <0x0 0x0 0x0 0x80000000>;
};
+ sound {
+ compatible = "simple-audio-card";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,name = "DW-I2S-HDMI";
+ simple-audio-card,mclk-fs = <512>;
+
+ simple-audio-card,dai-link@0 { /* I2S - S/PDIF */
+ format = "i2s";
+ cpu {
+ sound-dai = <&i2s>;
+ };
+ codec {
+ sound-dai = <&hdmi>;
+ };
+ };
+ };
+
ext_gmac: external-gmac-clock {
compatible = "fixed-clock";
#clock-cells = <0>;
@@ -136,10 +153,18 @@
};
&hdmi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ #sound-dai-cells = <0>;
ddc-i2c-bus = <&i2c5>;
status = "okay";
};
+&i2s {
+ #sound-dai-cells = <0>;
+ status = "okay";
+};
+
&i2c0 {
clock-frequency = <400000>;
status = "okay";
--
2.14.1