[PATCH 40/42] dt-bindings: display: mediatek: Introduce MT8196 Image Resizer

[AngeloGioacchino Del Regno]

Add documentation for the Image Resizer "RSZ" Scaler block found
in the MT8196 SoC and its variants.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
---
 .../display/mediatek/mediatek,mt8196-rsz.yaml | 97 +++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-rsz.yaml

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-rsz.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-rsz.yaml
new file mode 100644
index 000000000000..cf6b0ed08bfb
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,mt8196-rsz.yaml
@@ -0,0 +1,97 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/mediatek/mediatek,mt8196-rsz.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Display Image Resizer (RSZ)
+
+maintainers:
+  - AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
+
+description:
+  The MediaTek Display Image Resizer (RSZ) is a high fidelity scaler block,
+  with filters and signal enhancers, responsible for performing downscaling
+  or upscaling of a frame.
+
+properties:
+  compatible:
+    - const: mediatek,mt8196-disp-rsz
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    properties:
+      port at 0:
+        $ref: /schemas/graph.yaml#/properties/port
+
+      port at 1:
+        $ref: /schemas/graph.yaml#/properties/port
+
+    required:
+      - port at 0
+      - port at 1
+
+  trigger-sources:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/mediatek,mt8196-clock.h>
+    #include <dt-bindings/power/mediatek,mt8196-power.h>
+
+    scaler at 329d0000 {
+        compatible = "mediatek,mt8196-disp-rsz";
+        reg = <0x329d0000 0x1000>;
+        clocks = <&ovlsys0 CLK_OVL_MDP_RSZ0>;
+        power-domains = <&hpm_hwv MT8196_POWER_DOMAIN_OVL0_DORMANT>;
+        trigger-sources = <&ovl0_mutex 26>;
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port at 0 {
+                #address-cells = <1>;
+                #size-cells = <0>;
+                reg = <0>;
+
+                endpoint at 0 {
+                    reg = <0>;
+                    remote-endpoint = <&ep_main_out>;
+                };
+            };
+
+            port at 1 {
+                #address-cells = <1>;
+                #size-cells = <0>;
+                reg = <1>;
+
+                endpoint at 0 {
+                    reg = <0>;
+                    remote-endpoint = <&exdma0_2_in>;
+                };
+            };
+        };
+    };
+
+...
-- 
2.54.0