From c8581984ffd917736ab3630c0f07bb5b218411e3 Mon Sep 17 00:00:00 2001 From: Jose Abreu Date: Wed, 22 Feb 2017 18:19:34 +0000 Subject: arc: axs10x: Add DT bindings for I2S audio playback This patch adds the necessary DT bindings to get HDMI audio output in ARC AXS10x SDP. The bindings for I2S controller were added as well as the bindings for simple audio card. Signed-off-by: Jose Abreu Cc: Carlos Palminha Cc: Alexey Brodkin Cc: Rob Herring Cc: Vineet Gupta Cc: devicetree@vger.kernel.org Cc: linux-snps-arc@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Vineet Gupta --- arch/arc/boot/dts/axs10x_mb.dtsi | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/arch/arc/boot/dts/axs10x_mb.dtsi b/arch/arc/boot/dts/axs10x_mb.dtsi index d6c1bbc98ac3..9d882b1a3e1c 100644 --- a/arch/arc/boot/dts/axs10x_mb.dtsi +++ b/arch/arc/boot/dts/axs10x_mb.dtsi @@ -149,12 +149,13 @@ interrupts = <14>; }; - i2c@0x1e000 { - compatible = "snps,designware-i2c"; + i2s: i2s@1e000 { + compatible = "snps,designware-i2s"; reg = <0x1e000 0x100>; - clock-frequency = <400000>; - clocks = <&i2cclk>; + clocks = <&i2sclk 0>; + clock-names = "i2sclk"; interrupts = <15>; + #sound-dai-cells = <0>; }; i2c@0x1f000 { @@ -174,6 +175,7 @@ adi,input-colorspace = "rgb"; adi,input-clock = "1x"; adi,clock-delay = <0x03>; + #sound-dai-cells = <0>; ports { #address-cells = <1>; @@ -295,5 +297,17 @@ }; }; }; + + sound_playback { + compatible = "simple-audio-card"; + simple-audio-card,name = "AXS10x HDMI Audio"; + simple-audio-card,format = "i2s"; + simple-audio-card,cpu { + sound-dai = <&i2s>; + }; + simple-audio-card,codec { + sound-dai = <&adv7511>; + }; + }; }; }; -- cgit