linux-kernel - [PATCH v3 06/17] dt-bindings: display: mediatek: dpi: add power-domains property

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Message-Id: <20231023-display-support-v3-6-53388f3ed34b@baylibre.com>
Date: Thu, 18 Apr 2024 16:16:54 +0200
From: amergnat@...libre.com
To: Chun-Kuang Hu <chunkuang.hu@...nel.org>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
 Rob Herring <robh@...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>, CK Hu <ck.hu@...iatek.com>, 
 Uwe Kleine-König <u.kleine-koenig@...gutronix.de>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Fabien Parent <fparent@...libre.com>, 
 Markus Schneider-Pargmann <msp@...libre.com>, 
 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, 
 linux-clk@...r.kernel.org, Alexandre Mergnat <amergnat@...libre.com>
Subject: [PATCH v3 06/17] dt-bindings: display: mediatek: dpi: add
 power-domains property

From: Fabien Parent <fparent@...libre.com>

DPI is part of the display / multimedia block in MediaTek SoCs, and
always have a power-domain (at least in the upstream device-trees).
Add the power-domains property to the binding documentation.

Fixes: 9273cf7d3942 ("dt-bindings: display: mediatek: convert the dpi bindings to yaml")
Signed-off-by: Fabien Parent <fparent@...libre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Acked-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
---
 Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
index 803c00f26206..e126486e8eac 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
@@ -64,6 +64,9 @@ properties:
       Output port node. This port should be connected to the input port of an
       attached HDMI, LVDS or DisplayPort encoder chip.
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg
@@ -78,11 +81,13 @@ examples:
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     #include <dt-bindings/clock/mt8173-clk.h>
+    #include <dt-bindings/power/mt8173-power.h>
 
     dpi0: dpi@...1d000 {
         compatible = "mediatek,mt8173-dpi";
         reg = <0x1401d000 0x1000>;
         interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
+        power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
         clocks = <&mmsys CLK_MM_DPI_PIXEL>,
              <&mmsys CLK_MM_DPI_ENGINE>,
              <&apmixedsys CLK_APMIXED_TVDPLL>;

-- 
2.25.1