linux-kernel - [PATCH v2 1/5] dt-bindings: display: vop2: Add optional PLL clock properties

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Message-Id: <20241211-vop2-hdmi0-disp-modes-v2-1-471cf5001e45@collabora.com>
Date: Wed, 11 Dec 2024 12:15:05 +0200
From: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To: Sandy Huang <hjc@...k-chips.com>, 
 Heiko Stübner <heiko@...ech.de>, 
 Andy Yan <andy.yan@...k-chips.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: kernel@...labora.com, dri-devel@...ts.freedesktop.org, 
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/5] dt-bindings: display: vop2: Add optional PLL clock
 properties

On RK3588, HDMI PHY PLL can be used as an alternative and more accurate
pixel clock source for VOP2 video ports 0, 1 and 2.

Document the optional PLL clock properties corresponding to the two HDMI
PHYs available on the SoC.

Acked-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
---
 Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
index 2531726af306bd388c00c3c0a1785b2c7367e2bd..46d956e63338e196361483a668fbf5597ebce24f 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
@@ -53,6 +53,8 @@ properties:
       - description: Pixel clock for video port 2.
       - description: Pixel clock for video port 3.
       - description: Peripheral(vop grf/dsi) clock.
+      - description: Alternative pixel clock provided by HDMI0 PHY PLL.
+      - description: Alternative pixel clock provided by HDMI1 PHY PLL.
 
   clock-names:
     minItems: 5
@@ -64,6 +66,8 @@ properties:
       - const: dclk_vp2
       - const: dclk_vp3
       - const: pclk_vop
+      - const: pll_hdmiphy0
+      - const: pll_hdmiphy1
 
   rockchip,grf:
     $ref: /schemas/types.yaml#/definitions/phandle

-- 
2.47.0