[PATCH 2/5] dt-bindings: mediatek: mt8195: add reset property

Trevor Wu trevor.wu at mediatek.com
Mon Mar 7 23:24:32 PST 2022


Add required properties "resets" and "reset_names", which are used to
specify audiosys hw reset for mt8195 afe driver.

Signed-off-by: Trevor Wu <trevor.wu at mediatek.com>
---
 .../devicetree/bindings/sound/mt8195-afe-pcm.yaml      | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml b/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml
index 6d0975b33d15..4452a4070eff 100644
--- a/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml
+++ b/Documentation/devicetree/bindings/sound/mt8195-afe-pcm.yaml
@@ -19,6 +19,12 @@ properties:
   interrupts:
     maxItems: 1
 
+  resets:
+    maxItems: 1
+
+  reset-names:
+    const: audiosys
+
   memory-region:
     maxItems: 1
     description: |
@@ -127,6 +133,8 @@ required:
   - compatible
   - reg
   - interrupts
+  - resets
+  - reset-names
   - mediatek,topckgen
   - power-domains
   - clocks
@@ -144,6 +152,8 @@ examples:
         compatible = "mediatek,mt8195-audio";
         reg = <0x10890000 0x10000>;
         interrupts = <GIC_SPI 822 IRQ_TYPE_LEVEL_HIGH 0>;
+        resets = <&watchdog 14>;
+        reset-names = "audiosys";
         mediatek,topckgen = <&topckgen>;
         power-domains = <&spm 7>; //MT8195_POWER_DOMAIN_AUDIO
         memory-region = <&snd_dma_mem_reserved>;
-- 
2.18.0




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