From 84fa1865edbb3800f3344e2a5bc73c187adf42d0 Mon Sep 17 00:00:00 2001 From: Ermin Sunj Date: Thu, 7 Sep 2023 17:17:15 +0200 Subject: arm64: dts: rockchip: use codec as clock master on px30-ringneck-haikou MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit If the codec is not the clock master, the MCLK needs to be synchronous to both I2S_SCL ans I2S_LRCLK. We do not have that on Haikou, causing distorted audio. Before: Running an audio test script on Ringneck, 1kHz output sine wave is not stable and shows distortion. After: 10h audio test script loop failed only one time. That is 0.00014% failure rate. Cc: stable@vger.kernel.org Fixes: c484cf93f61b ("arm64: dts: rockchip: add PX30-µQ7 (Ringneck) SoM with Haikou baseboard") Signed-off-by: Ermin Sunj Signed-off-by: Jakob Unterwurzacher Link: https://lore.kernel.org/r/20230907151725.198347-1-jakob.unterwurzacher@theobroma-systems.com Signed-off-by: Heiko Stuebner --- arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts') diff --git a/arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts b/arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts index 08a3ad3e7ae9..8792fae50257 100644 --- a/arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts +++ b/arch/arm64/boot/dts/rockchip/px30-ringneck-haikou.dts @@ -68,15 +68,15 @@ simple-audio-card,format = "i2s"; simple-audio-card,name = "Haikou,I2S-codec"; simple-audio-card,mclk-fs = <512>; + simple-audio-card,frame-master = <&sgtl5000_codec>; + simple-audio-card,bitclock-master = <&sgtl5000_codec>; - simple-audio-card,codec { + sgtl5000_codec: simple-audio-card,codec { clocks = <&sgtl5000_clk>; sound-dai = <&sgtl5000>; }; simple-audio-card,cpu { - bitclock-master; - frame-master; sound-dai = <&i2s0_8ch>; }; }; -- cgit v1.2.3