linux-kernel - [PATCH v1] dt-bindings: spi: rockchip: add power-domains property

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Message-ID: <64d03f6e-c578-3155-e3fb-53dbe53573eb@gmail.com>
Date:   Sat, 10 Sep 2022 20:56:28 +0200
From:   Johan Jonker <jbx6244@...il.com>
To:     broonie@...nel.org
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        heiko@...ech.de, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1] dt-bindings: spi: rockchip: add power-domains property

The Rockchip rk3399 TRM mentions that pd_sdioaudio includes
sdio, spi, i2s and spdif. Add a power-domains property to
reduce notifications with spi-rockchip.yaml.

Signed-off-by: Johan Jonker <jbx6244@...il.com>
---
 Documentation/devicetree/bindings/spi/spi-rockchip.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.yaml b/Documentation/devicetree/bindings/spi/spi-rockchip.yaml
index 52768894b..66e49947b 100644
--- a/Documentation/devicetree/bindings/spi/spi-rockchip.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-rockchip.yaml
@@ -82,6 +82,9 @@ properties:
       where the "sleep" configuration may describe the state
       the pins should be in during system suspend.
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg
-- 
2.20.1