linux-kernel - [PATCH v7 10/16] dt-bindings: media: mediatek: mdp3: add component TDSHP for MT8195

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Message-ID: <20231012084037.19376-11-moudy.ho@mediatek.com>
Date:   Thu, 12 Oct 2023 16:40:31 +0800
From:   Moudy Ho <moudy.ho@...iatek.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>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>
CC:     <dri-devel@...ts.freedesktop.org>,
        <linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-media@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Moudy Ho <moudy.ho@...iatek.com>
Subject: [PATCH v7 10/16] dt-bindings: media: mediatek: mdp3: add component TDSHP for MT8195

Add the fundamental hardware configuration of component TDSHP,
which is controlled by MDP3 on MT8195.

Signed-off-by: Moudy Ho <moudy.ho@...iatek.com>
---
 .../bindings/media/mediatek,mdp3-tdshp.yaml   | 61 +++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-tdshp.yaml

diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-tdshp.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-tdshp.yaml
new file mode 100644
index 000000000000..92e1547e7c7f
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-tdshp.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/mediatek,mdp3-tdshp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Media Data Path 3 TDSHP
+
+maintainers:
+  - Matthias Brugger <matthias.bgg@...il.com>
+  - Moudy Ho <moudy.ho@...iatek.com>
+
+description:
+  One of Media Data Path 3 (MDP3) components used to improve image
+  sharpness and contrast.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8195-mdp3-tdshp
+
+  reg:
+    maxItems: 1
+
+  mediatek,gce-client-reg:
+    description:
+      The register of display function block to be set by gce. There are 4 arguments,
+      such as gce node, subsys id, offset and register size. The subsys id that is
+      mapping to the register of display function blocks is defined in the gce header
+      include/dt-bindings/gce/<chip>-gce.h of each chips.
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    items:
+      items:
+        - description: phandle of GCE
+        - description: GCE subsys id
+        - description: register offset
+        - description: register size
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - mediatek,gce-client-reg
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/mt8195-clk.h>
+    #include <dt-bindings/gce/mt8195-gce.h>
+
+    display@...07000 {
+        compatible = "mediatek,mt8195-mdp3-tdshp";
+        reg = <0x14007000 0x1000>;
+        mediatek,gce-client-reg = <&gce1 SUBSYS_1400XXXX 0x7000 0x1000>;
+        clocks = <&vppsys0 CLK_VPP0_MDP_TDSHP>;
+    };
-- 
2.18.0