Re: [PATCH 1/8] media: dt-bindings: Document SC8280XP/SM8350 Venus

From: Vikash Garodia
Date: Tue Mar 04 2025 - 22:36:36 EST



On 3/4/2025 6:37 PM, Bryan O'Donoghue wrote:
> From: Konrad Dybcio <konradybcio@xxxxxxxxxx>
>
> Both of these SoCs implement an IRIS2 block, with SC8280XP being able
> to clock it a bit higher.
>
> Document it.
>
> Signed-off-by: Konrad Dybcio <konradybcio@xxxxxxxxxx>
> Link: https://lore.kernel.org/r/20230731-topic-8280_venus-v1-1-8c8bbe1983a5@xxxxxxxxxx
> Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
> [ bod: dropped dts video-encoder/video-decoder ]
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
> ---
> .../bindings/media/qcom,sm8350-venus.yaml | 119 +++++++++++++++++++++
> 1 file changed, 119 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/media/qcom,sm8350-venus.yaml b/Documentation/devicetree/bindings/media/qcom,sm8350-venus.yaml
> new file mode 100644
> index 0000000000000..352ad85ae50cd
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/qcom,sm8350-venus.yaml
> @@ -0,0 +1,119 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/media/qcom,sm8350-venus.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm SM8350 Venus video encode and decode accelerators
Again, what is the need to introduce a new bindings for sm8350 and how different
is this with sm8250 ?
> +
> +maintainers:
> + - Konrad Dybcio <konradybcio@xxxxxxxxxx>
> +
> +description: |
> + The Venus Iris2 IP is a video encode and decode accelerator present
> + on Qualcomm platforms
> +
> +allOf:
> + - $ref: qcom,venus-common.yaml#
> +
> +properties:
> + compatible:
> + enum:
> + - qcom,sc8280xp-venus
> + - qcom,sm8350-venus
> +
> + clocks:
> + maxItems: 3
> +
> + clock-names:
> + items:
> + - const: iface
> + - const: core
> + - const: vcodec0_core
> +
> + resets:
> + maxItems: 1
> +
> + reset-names:
> + items:
> + - const: core
> +
> + power-domains:
> + maxItems: 3
> +
> + power-domain-names:
> + items:
> + - const: venus
> + - const: vcodec0
> + - const: mx
> +
> + interconnects:
> + maxItems: 3
> +
> + interconnect-names:
> + items:
> + - const: cpu-cfg
> + - const: video-mem
> + - const: video-llcc
> +
> + operating-points-v2: true
> + opp-table:
> + type: object
> +
> + iommus:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - power-domain-names
> + - iommus
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/interrupt-controller/arm-gic.h>
> + #include <dt-bindings/clock/qcom,gcc-sm8350.h>
> + #include <dt-bindings/clock/qcom,sm8350-videocc.h>
> + #include <dt-bindings/interconnect/qcom,icc.h>
> + #include <dt-bindings/interconnect/qcom,sm8350.h>
> + #include <dt-bindings/power/qcom-rpmpd.h>
> +
> + venus: video-codec@aa00000 {
> + compatible = "qcom,sm8350-venus";
> + reg = <0x0aa00000 0x100000>;
> + interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
> +
> + clocks = <&gcc GCC_VIDEO_AXI0_CLK>,
> + <&videocc VIDEO_CC_MVS0C_CLK>,
> + <&videocc VIDEO_CC_MVS0_CLK>;
> + clock-names = "iface",
> + "core",
> + "vcodec0_core";
> +
> + resets = <&gcc GCC_VIDEO_AXI0_CLK_ARES>;
> + reset-names = "core";
> +
> + power-domains = <&videocc MVS0C_GDSC>,
> + <&videocc MVS0_GDSC>,
> + <&rpmhpd SM8350_MX>;
> + power-domain-names = "venus",
> + "vcodec0",
> + "mx";
> +
> + interconnects = <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY
> + &config_noc SLAVE_VENUS_CFG QCOM_ICC_TAG_ACTIVE_ONLY>,
> + <&mmss_noc MASTER_VIDEO_P0 QCOM_ICC_TAG_ALWAYS
> + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
> + <&mmss_noc MASTER_VIDEO_P0 QCOM_ICC_TAG_ALWAYS
> + &gem_noc SLAVE_LLCC QCOM_ICC_TAG_ALWAYS>;
> + interconnect-names = "cpu-cfg",
> + "video-mem",
> + "video-llcc";
> +
> + operating-points-v2 = <&venus_opp_table>;
> + iommus = <&apps_smmu 0x2100 0x400>;
> + memory-region = <&pil_video_mem>;
> +
> + status = "disabled";
> + };
>
Regards,
Vikash