[v8,06/16] dt-bindings: media: mediatek: mdp3: add component FG for MT8195

Commit Message

Moudy Ho (何宗原) Oct. 30, 2023, 10 a.m. UTC

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

Signed-off-by: Moudy Ho <[e-mail]>
Reviewed-by: AngeloGioacchino Del Regno <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
---
 .../bindings/media/mediatek,mdp3-fg.yaml      | 61 +++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/mediatek,mdp3-fg.yaml

Patch

diff --git a/Documentation/devicetree/bindings/media/mediatek,mdp3-fg.yaml b/Documentation/devicetree/bindings/media/mediatek,mdp3-fg.yaml
new file mode 100644
index 000000000000..03f31b009085
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/mediatek,mdp3-fg.yaml
@@ -0,0 +1,61 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/mediatek,mdp3-fg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Media Data Path 3 Film Grain
+
+maintainers:
+  - Matthias Brugger <[e-mail]>
+  - Moudy Ho <[e-mail]>
+
+description:
+  Film Grain (FG) is a Media Data Path 3 (MDP3) component used to add
+  the film grain according to the AOMedia Video 1 (AV1) standard.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8195-mdp3-fg
+
+  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@14002000 {
+        compatible = "mediatek,mt8195-mdp3-fg";
+        reg = <0x14002000 0x1000>;
+        mediatek,gce-client-reg = <&gce1 SUBSYS_1400XXXX 0x2000 0x1000>;
+        clocks = <&vppsys0 CLK_VPP0_MDP_FG>;
+    };