Add a schema description for the venus video encoder/decoder on the sc7280. Signed-off-by: Dikshita Agarwal <dikshita@xxxxxxxxxxxxxx> changes since v1: - adrressed comments from stanimir. this patch depends on [1],[2] & [3]. --- .../bindings/media/qcom,sc7280-venus.yaml | 157 +++++++++++++++++++++ 1 file changed, 157 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml [1] https://patchwork.kernel.org/project/linux-clk/list/?series=449621 [2] https://lkml.org/lkml/2021/4/9/812 [3] https://lore.kernel.org/patchwork/project/lkml/list/?series=488429 diff --git a/Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml b/Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml new file mode 100644 index 0000000..32bdb65 --- /dev/null +++ b/Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml @@ -0,0 +1,157 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) + +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/media/qcom,sc7280-venus.yaml#"; +$schema: "http://devicetree.org/meta-schemas/core.yaml#"; + +title: Qualcomm Venus video encode and decode accelerators + +maintainers: + - Stanimir Varbanov <stanimir.varbanov@xxxxxxxxxx> + +description: | + The Venus Iris2 IP is a video encode and decode accelerator present + on Qualcomm platforms + +properties: + compatible: + const: qcom,sc7280-venus + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + power-domains: + minItems: 2 + maxItems: 3 + + power-domain-names: + minItems: 2 + maxItems: 3 + items: + - const: venus + - const: vcodec0 + + clocks: + maxItems: 5 + + clock-names: + items: + - const: core + - const: bus + - const: iface + - const: vcodec_core + - const: vcodec_bus + + iommus: + maxItems: 2 + + memory-region: + maxItems: 1 + + interconnects: + maxItems: 2 + + interconnect-names: + items: + - const: cpu-cfg + - const: video-mem + + video-decoder: + type: object + + properties: + compatible: + const: venus-decoder + + required: + - compatible + + additionalProperties: false + + video-encoder: + type: object + + properties: + compatible: + const: venus-encoder + + required: + - compatible + + additionalProperties: false + + video-firmware: + type: object + + description: | + Firmware subnode is needed when the platform does not + have TrustZone. + + properties: + iommus: + maxItems: 1 + + required: + - iommus + +required: + - compatible + - reg + - interrupts + - power-domains + - power-domain-names + - clocks + - clock-names + - iommus + - memory-region + - video-decoder + - video-encoder + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,videocc-sc7280.h> + + venus: video-codec@aa00000 { + compatible = "qcom,sc7280-venus"; + reg = <0x0aa00000 0xd0600>; + interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>; + + clocks = <&videocc VIDEO_CC_MVSC_CORE_CLK>, + <&videocc VIDEO_CC_MVSC_CTL_AXI_CLK>, + <&videocc VIDEO_CC_VENUS_AHB_CLK>, + <&videocc VIDEO_CC_MVS0_CORE_CLK>, + <&videocc VIDEO_CC_MVS0_AXI_CLK>; + clock-names = "core", "bus", "iface", + "vcodec_core", "vcodec_bus"; + + power-domains = <&videocc MVSC_GDSC>, + <&videocc MVS0_GDSC>; + power-domain-names = "venus", "vcodec0"; + + interconnects = <&gem_noc MASTER_APPSS_PROC 0 &cnoc2 SLAVE_VENUS_CFG 0> + <&mmss_noc MASTER_VIDEO_P0 0 &mc_virt SLAVE_EBI1 0>; + interconnect-names = "cpu-cfg", "video-mem"; + + iommus = <&apps_smmu 0x2180 0x20>, + <&apps_smmu 0x2184 0x20>; + + memory-region = <&video_mem>; + + video-decoder { + compatible = "venus-decoder"; + }; + + video-encoder { + compatible = "venus-encoder"; + }; + + video-firmware { + iommus = <&apps_smmu 0x21a2 0x0>; + }; + }; -- 2.7.4
