linux-kernel - [PATCH 11/18] dt-bindings: pwm: add power-domains property

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Message-Id: <20231023-display-support-v1-11-5c860ed5c33b@baylibre.com>
Date:   Mon, 23 Oct 2023 16:40:11 +0200
From:   Alexandre Mergnat <amergnat@...libre.com>
To:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Jitao Shi <jitao.shi@...iatek.com>,
        Xinlei Lee <xinlei.lee@...iatek.com>,
        CK Hu <ck.hu@...iatek.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>
Cc:     dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-pwm@...r.kernel.org,
        Alexandre Mergnat <amergnat@...libre.com>
Subject: [PATCH 11/18] dt-bindings: pwm: add power-domains property

According to the Mediatek datasheet, the display PWM block has a power
domain.

Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
---
 Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
index 153e146df7d4..efe0cacf55b7 100644
--- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
+++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
@@ -53,6 +53,12 @@ properties:
       - const: main
       - const: mm
 
+  power-domains:
+    maxItems: 1
+    description: A phandle and PM domain specifier as defined by bindings of
+      the power controller specified by phandle. See
+      Documentation/devicetree/bindings/power/power-domain.yaml for details.
+
 required:
   - compatible
   - reg
@@ -67,6 +73,7 @@ examples:
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     #include <dt-bindings/clock/mt8173-clk.h>
     #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/power/mt8173-power.h>
 
     pwm0: pwm@...1e000 {
         compatible = "mediatek,mt8173-disp-pwm";
@@ -75,4 +82,5 @@ examples:
         clocks = <&mmsys CLK_MM_DISP_PWM026M>,
                  <&mmsys CLK_MM_DISP_PWM0MM>;
         clock-names = "main", "mm";
+        power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
     };

-- 
2.25.1