[RFC PATCH v2 2/2] dt-bindings: gpu: Add Imagination Technologies PowerVR GPU

[Sarah Walker]

Signed-off-by: Sarah Walker <sarah.walker at imgtec.com>
---
 .../devicetree/bindings/gpu/img,powervr.yaml  | 105 ++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/gpu/img,powervr.yaml

diff --git a/Documentation/devicetree/bindings/gpu/img,powervr.yaml b/Documentation/devicetree/bindings/gpu/img,powervr.yaml
new file mode 100644
index 000000000000..f722fd1d4e8f
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpu/img,powervr.yaml
@@ -0,0 +1,105 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR MIT)
+# Copyright (c) 2022 Imagination Technologies Ltd.
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/gpu/img-powervr.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Imagination Technologies PowerVR GPU
+
+maintainers:
+  - Sarah Walker <sarah.walker at imgtec.com>
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - mediatek,mt8173-gpu
+          - const: img,powervr-series6xt
+      - items:
+          - enum:
+              - ti,am62-gpu
+          - const: img,powervr-seriesaxe
+
+  reg:
+    minItems: 1
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    maxItems: 3
+
+  clock-names:
+    items:
+      - const: core_clk
+      - const: mem_clk
+      - const: sys_clk
+
+  interrupts:
+    items:
+      - description: GPU interrupt
+
+  interrupt-names:
+    items:
+      - const: gpu
+
+  power-domains:
+    maxItems: 1
+
+  operating-points-v2: true
+  power-supply: true
+
+  "#cooling-cells":
+    const: 2
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+  - interrupt-names
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: mediatek,mt8173-gpu
+    then:
+      properties:
+        reg:
+          minItems: 2
+          maxItems: 2
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: img,powervr-series6xt
+    then:
+      properties:
+        clocks:
+          minItems: 3
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    gpu at 13000000 {
+        compatible = "mediatek,mt8173-gpu", "img,powervr-series6xt";
+        reg = <0 0x13000000 0 0xffff>, <0 0x13fff000 0 0x1000>;
+        power-domains = <&scpsys MT8173_POWER_DOMAIN_MFG>;
+        power-supply = <&da9211_vgpu_reg>;
+        operating-points-v2 = <&gpu_opp_table>;
+        clocks = <&gpu_ckgen 0>,
+                 <&gpu_ckgen 1>,
+                 <&gpu_ckgen 2>;
+        clock-names = "core_clk",
+                      "mem_clk",
+                      "sys_clk";
+        interrupts = <GIC_SPI 217 IRQ_TYPE_LEVEL_LOW>;
+        interrupt-names = "gpu";
+    };
+
-- 
2.40.0