[PATCH RFC v3 01/11] media: dt-bindings: venus: Add qcom,msm8939 schema

Erikas Bitovtas
2026-04-27T17:58:44Z

From: André Apitzsch <git@apitzsch.eu>

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

Signed-off-by: André Apitzsch <git@apitzsch.eu>
Signed-off-by: Erikas Bitovtas <xerikasxx@gmail.com>
---
.../bindings/media/qcom,msm8939-venus.yaml | 147 +++++++++++++++++++++
1 file changed, 147 insertions(+)

diff --git a/Documentation/devicetree/bindings/media/qcom,msm8939-venus.yaml b/Documentation/devicetree/bindings/media/qcom,msm8939-venus.yaml
new file mode 100644
index 000000000000..5790b3bf5aef
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/qcom,msm8939-venus.yaml
@@ -0,0 +1,147 @@
+# 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: 1
+
+ clocks:
+ maxItems: 3
+
+ clock-names:
+ items:
+ - const: core
+ - const: iface
+ - const: bus
+
+ iommus:
+ maxItems: 1
+
+ video-decoder:
+ type: object
+
+ properties:
+ compatible:
+ const: venus-decoder
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: core0
+ - const: core1
+
+ power-domains:
+ maxItems: 2
+
+ power-domain-names:
+ items:
+ - const: core0
+ - const: core1
+
+ required:
+ - compatible
+ - clocks
+ - clock-names
+ - power-domains
+ - power-domain-names
+
+ additionalProperties: false
+
+ video-encoder:
+ type: object
+
+ properties:
+ compatible:
+ const: venus-encoder
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: core0
+ - const: core1
+
+ power-domains:
+ maxItems: 2
+
+ power-domain-names:
+ items:
+ - const: core0
+ - const: core1
+
+ required:
+ - compatible
+ - clocks
+ - clock-names
+ - power-domains
+ - power-domain-names
+
+ additionalProperties: false
+
+required:
+ - compatible
+ - iommus
+ - video-decoder
+ - video-encoder
+
+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>;
+ clock-names = "core", "iface", "bus";
+ power-domains = <&gcc VENUS_GDSC>;
+ iommus = <&apps_iommu 5>;
+ memory-region = <&venus_mem>;
+
+ video-decoder {
+ compatible = "venus-decoder";
+ clocks = <&gcc GCC_VENUS0_CORE0_VCODEC0_CLK>,
+ <&gcc GCC_VENUS0_CORE1_VCODEC0_CLK>;
+ clock-names = "core0", "core1";
+ power-domains = <&gcc VENUS_CORE0_GDSC>,
+ <&gcc VENUS_CORE1_GDSC>;
+ power-domain-names = "core0", "core1";
+ };
+
+ video-encoder {
+ compatible = "venus-encoder";
+ clocks = <&gcc GCC_VENUS0_CORE0_VCODEC0_CLK>,
+ <&gcc GCC_VENUS0_CORE1_VCODEC0_CLK>;
+ clock-names = "core0", "core1";
+ power-domains = <&gcc VENUS_CORE0_GDSC>,
+ <&gcc VENUS_CORE1_GDSC>;
+ power-domain-names = "core0", "core1";
+ };
+ };

--
2.54.0