media: dt-bindings: venus: Add qcom,msm8939 schema

Add a schema description for the Venus video decoder/encoder IP in
MSM8939.

Signed-off-by: André Apitzsch <git@apitzsch.eu>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Erikas Bitovtas <xerikasxx@gmail.com>
Reviewed-by: Bryan O'Donoghue <bod@kernel.org>
Signed-off-by: Bryan O'Donoghue <bod@kernel.org>

Documentation/devicetree/bindings/media/qcom,msm8939-venus.yaml

@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/qcom,msm8939-venus.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm MSM8939 Venus video encode and decode accelerators
+
+maintainers:
+  - André Apitzsch <git@apitzsch.eu>
+  - Erikas Bitovtas <xerikasxx@gmail.com>
+
+description:
+  The Venus IP is a video encode and decode accelerator present
+  on Qualcomm platforms
+
+allOf:
+  - $ref: qcom,venus-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,msm8939-venus
+
+  power-domains:
+    maxItems: 3
+
+  power-domain-names:
+    items:
+      - const: venus
+      - const: vcodec0
+      - const: vcodec1
+
+  clocks:
+    maxItems: 5
+
+  clock-names:
+    items:
+      - const: core
+      - const: iface
+      - const: bus
+      - const: vcodec0_core
+      - const: vcodec1_core
+
+  iommus:
+    maxItems: 1
+
+required:
+  - compatible
+  - iommus
+  - power-domain-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/qcom,gcc-msm8939.h>
+
+    video-codec@1d00000 {
+      compatible = "qcom,msm8939-venus";
+      reg = <0x01d00000 0xff000>;
+      interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>;
+      clocks = <&gcc GCC_VENUS0_VCODEC0_CLK>,
+               <&gcc GCC_VENUS0_AHB_CLK>,
+               <&gcc GCC_VENUS0_AXI_CLK>,
+               <&gcc GCC_VENUS0_CORE0_VCODEC0_CLK>,
+               <&gcc GCC_VENUS0_CORE1_VCODEC0_CLK>;
+      clock-names = "core",
+                    "iface",
+                    "bus",
+                    "vcodec0_core",
+                    "vcodec1_core";
+      power-domains = <&gcc VENUS_GDSC>,
+                      <&gcc VENUS_CORE0_GDSC>,
+                      <&gcc VENUS_CORE1_GDSC>;
+      power-domain-names = "venus", "vcodec0", "vcodec1";
+      iommus = <&apps_iommu 5>;
+      memory-region = <&venus_mem>;
+    };