linux-kernel - [PATCH v3 2/9] ASoC: dt-bindings: mt8173-afe-pcm: Add power domain

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Message-ID: <20250612074901.4023253-3-wenst@chromium.org>
Date: Thu, 12 Jun 2025 15:48:53 +0800
From: Chen-Yu Tsai <wenst@...omium.org>
To: Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>
Cc: Chen-Yu Tsai <wenst@...omium.org>,
	Jaroslav Kysela <perex@...ex.cz>,
	Takashi Iwai <tiwai@...e.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Jiaxin Yu <jiaxin.yu@...iatek.com>,
	linux-sound@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/9] ASoC: dt-bindings: mt8173-afe-pcm: Add power domain

The audio subsystem sits under a controllable power domain.

Add it to the binding.

Acked-by: Rob Herring (Arm) <robh@...nel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Signed-off-by: Chen-Yu Tsai <wenst@...omium.org>
---
 .../devicetree/bindings/sound/mediatek,mt8173-afe-pcm.yaml  | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/mediatek,mt8173-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mediatek,mt8173-afe-pcm.yaml
index a95215ba6361..666408d32f5c 100644
--- a/Documentation/devicetree/bindings/sound/mediatek,mt8173-afe-pcm.yaml
+++ b/Documentation/devicetree/bindings/sound/mediatek,mt8173-afe-pcm.yaml
@@ -45,12 +45,16 @@ properties:
       - const: i2s3_m
       - const: i2s3_b
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg
   - interrupts
   - clocks
   - clock-names
+  - power-domains
 
 additionalProperties: false
 
@@ -59,11 +63,13 @@ examples:
     #include <dt-bindings/clock/mt8173-clk.h>
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/power/mt8173-power.h>
 
     mt8173-afe-pcm@...20000 {
         compatible = "mediatek,mt8173-afe-pcm";
         reg = <0x11220000 0x1000>;
         interrupts = <GIC_SPI 134 IRQ_TYPE_EDGE_FALLING>;
+        power-domains = <&spm MT8173_POWER_DOMAIN_AUDIO>;
         clocks = <&infracfg CLK_INFRA_AUDIO>,
                  <&topckgen CLK_TOP_AUDIO_SEL>,
                  <&topckgen CLK_TOP_AUD_INTBUS_SEL>,
-- 
2.50.0.rc1.591.g9c95f17f64-goog