linux-kernel - [PATCH v2 3/3] dt-bindings: display: vop2: Add VP clock resets

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Message-ID: <20240522185924.461742-4-detlev.casanova@collabora.com>
Date: Wed, 22 May 2024 14:57:50 -0400
From: Detlev Casanova <detlev.casanova@...labora.com>
To: linux-kernel@...r.kernel.org
Cc: 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>,
	Daniel Vetter <daniel@...ll.ch>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Heiko Stuebner <heiko.stuebner@...rry.de>,
	Sebastian Reichel <sebastian.reichel@...labora.com>,
	Dragan Simic <dsimic@...jaro.org>,
	Chris Morgan <macromorgan@...mail.com>,
	Diederik de Haas <didi.debian@...ow.org>,
	Boris Brezillon <boris.brezillon@...labora.com>,
	dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org,
	devicetree@...r.kernel.org,
	Detlev Casanova <detlev.casanova@...labora.com>
Subject: [PATCH v2 3/3] dt-bindings: display: vop2: Add VP clock resets

Add the documentation for VOP2 video ports reset clocks.
One reset can be set per video port.

Signed-off-by: Detlev Casanova <detlev.casanova@...labora.com>
---
 .../display/rockchip/rockchip-vop2.yaml       | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
index 2531726af306b..5b59d91de47bd 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip-vop2.yaml
@@ -65,6 +65,26 @@ properties:
       - const: dclk_vp3
       - const: pclk_vop
 
+  resets:
+    minItems: 5
+    items:
+      - description: AXI clock reset.
+      - description: AHB clock reset.
+      - description: Pixel clock reset for video port 0.
+      - description: Pixel clock reset for video port 1.
+      - description: Pixel clock reset for video port 2.
+      - description: Pixel clock reset for video port 3.
+
+  reset-names:
+    minItems: 5
+    items:
+      - const: aclk
+      - const: hclk
+      - const: dclk_vp0
+      - const: dclk_vp1
+      - const: dclk_vp2
+      - const: dclk_vp3
+
   rockchip,grf:
     $ref: /schemas/types.yaml#/definitions/phandle
     description:
@@ -128,6 +148,11 @@ allOf:
         clock-names:
           minItems: 7
 
+        resets:
+          minItems: 6
+        reset-names:
+          minItems: 6
+
         ports:
           required:
             - port@0
@@ -152,6 +177,11 @@ allOf:
         clock-names:
           maxItems: 5
 
+        resets:
+          maxItems: 5
+        reset-names:
+          maxItems: 5
+
         ports:
           required:
             - port@0
@@ -183,6 +213,16 @@ examples:
                               "dclk_vp0",
                               "dclk_vp1",
                               "dclk_vp2";
+                resets = <&cru SRST_A_VOP>,
+                         <&cru SRST_H_VOP>,
+                         <&cru SRST_VOP0>,
+                         <&cru SRST_VOP1>,
+                         <&cru SRST_VOP2>;
+                reset-names = "aclk",
+                              "hclk",
+                              "dclk_vp0",
+                              "dclk_vp1",
+                              "dclk_vp2";
                 power-domains = <&power RK3568_PD_VO>;
                 iommus = <&vop_mmu>;
                 vop_out: ports {
-- 
2.44.1