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Message-ID: <f4e48aab-2d1c-bbf1-3ee8-596a502fe7ed@quicinc.com>
Date: Wed, 27 Nov 2024 13:39:13 +0530
From: Vikash Garodia <quic_vgarodia@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Renjiang Han
<quic_renjiang@...cinc.com>
CC: Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
Bryan O'Donoghue
<bryan.odonoghue@...aro.org>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
"Rob Herring" <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
"Conor Dooley" <conor+dt@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
"Konrad Dybcio" <konradybcio@...nel.org>,
<linux-media@...r.kernel.org>, <linux-arm-msm@...r.kernel.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/4] dt-bindings: qcom,qcs615-venus: add support for
video hardware
On 11/25/2024 9:42 PM, Dmitry Baryshkov wrote:
> On Mon, Nov 25, 2024 at 11:04:49AM +0530, Renjiang Han wrote:
>> Add support for Qualcomm video acceleration hardware used for video
>> stream decoding and encoding on QCOM QCS615.
>>
>> Signed-off-by: Renjiang Han <quic_renjiang@...cinc.com>
>> ---
>> .../bindings/media/qcom,qcs615-venus.yaml | 182 +++++++++++++++++++++
>> 1 file changed, 182 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/media/qcom,qcs615-venus.yaml b/Documentation/devicetree/bindings/media/qcom,qcs615-venus.yaml
>> new file mode 100644
>> index 0000000000000000000000000000000000000000..7a3a01ff06d8b62bc2424a0a24857c86c6865f89
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/media/qcom,qcs615-venus.yaml
>> @@ -0,0 +1,182 @@
>> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/media/qcom,qcs615-venus.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Qualcomm QCS615 Venus video encode and decode accelerators
>> +
>> +maintainers:
>> + - Stanimir Varbanov <stanimir.k.varbanov@...il.com>
>> + - Vikash Garodia <quic_vgarodia@...cinc.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,qcs615-venus
>
> Please extend sc7180-venus.yaml instead. No need to duplicate
> unnecessary things.
Exactly, we should reuse the sc7180 bindings for this.
Regards,
Vikash
>
>> +
>> + power-domains:
>> + minItems: 2
>> + maxItems: 3
>
> So, is it 2 or 3? You don't have legacy here, so you should know an
> exact number.
>
>> +
>> + power-domain-names:
>> + minItems: 2
>
> And this one also can go away.
>
>> + items:
>> + - const: venus
>> + - const: vcodec0
>> + - const: cx
>> +
>> + clocks:
>> + maxItems: 5
>> +
>> + clock-names:
>> + items:
>> + - const: core
>> + - const: iface
>> + - const: bus
>> + - const: vcodec0_core
>> + - const: vcodec0_bus
>> +
>> + iommus:
>> + maxItems: 1
>> +
>> + memory-region:
>> + maxItems: 1
>> +
>> + interconnects:
>> + maxItems: 2
>> +
>> + interconnect-names:
>> + items:
>> + - const: video-mem
>> + - const: cpu-cfg
>> +
>> + operating-points-v2: true
>> +
>> + opp-table:
>> + type: object
>> +
>> + video-decoder:
>> + type: object
>> +
>> + additionalProperties: false
>> +
>> + properties:
>> + compatible:
>> + const: venus-decoder
>> +
>> + required:
>> + - compatible
>> +
>> + video-encoder:
>> + type: object
>> +
>> + additionalProperties: false
>> +
>> + properties:
>> + compatible:
>> + const: venus-encoder
>> +
>> + required:
>> + - compatible
>> +
>> +required:
>> + - compatible
>> + - power-domain-names
>> + - iommus
>> + - video-decoder
>> + - video-encoder
>> +
>> +unevaluatedProperties: false
>> +
>> +examples:
>> + - |
>> + #include <dt-bindings/interrupt-controller/arm-gic.h>
>> + #include <dt-bindings/clock/qcom,qcs615-videocc.h>
>> + #include <dt-bindings/interconnect/qcom,qcs615-rpmh.h>
>> + #include <dt-bindings/power/qcom,rpmhpd.h>
>> +
>> + venus: video-codec@...0000 {
>> + compatible = "qcom,qcs615-venus";
>> + reg = <0xaa00000 0x100000>;
>> + interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
>> +
>> + clocks = <&videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
>> + <&videocc VIDEO_CC_VENUS_AHB_CLK>,
>> + <&videocc VIDEO_CC_VENUS_CTL_AXI_CLK>,
>> + <&videocc VIDEO_CC_VCODEC0_CORE_CLK>,
>> + <&videocc VIDEO_CC_VCODEC0_AXI_CLK>;
>> + clock-names = "core",
>> + "iface",
>> + "bus",
>> + "vcodec0_core",
>> + "vcodec0_bus";
>> +
>> + power-domains = <&videocc VENUS_GDSC>,
>> + <&videocc VCODEC0_GDSC>,
>> + <&rpmhpd RPMHPD_CX>;
>> + power-domain-names = "venus",
>> + "vcodec0",
>> + "cx";
>> +
>> + operating-points-v2 = <&venus_opp_table>;
>> +
>> + interconnects = <&mmss_noc MASTER_VIDEO_P0 0
>> + &mc_virt SLAVE_EBI1 0>,
>> + <&gem_noc MASTER_APPSS_PROC 0
>> + &config_noc SLAVE_VENUS_CFG 0>;
>> + interconnect-names = "video-mem",
>> + "cpu-cfg";
>> +
>> + iommus = <&apps_smmu 0xe40 0x20>;
>> +
>> + memory-region = <&pil_video_mem>;
>> +
>> + video-decoder {
>> + compatible = "venus-decoder";
>> + };
>> +
>> + video-encoder {
>> + compatible = "venus-encoder";
>> + };
>> +
>> + venus_opp_table: opp-table {
>> + compatible = "operating-points-v2";
>> +
>> + opp-133330000 {
>> + opp-hz = /bits/ 64 <133330000>;
>> + required-opps = <&rpmhpd_opp_low_svs>;
>> + };
>> +
>> + opp-240000000 {
>> + opp-hz = /bits/ 64 <240000000>;
>> + required-opps = <&rpmhpd_opp_svs>;
>> + };
>> +
>> + opp-300000000 {
>> + opp-hz = /bits/ 64 <300000000>;
>> + required-opps = <&rpmhpd_opp_svs_l1>;
>> + };
>> +
>> + opp-380000000 {
>> + opp-hz = /bits/ 64 <380000000>;
>> + required-opps = <&rpmhpd_opp_nom>;
>> + };
>> +
>> + opp-410000000 {
>> + opp-hz = /bits/ 64 <410000000>;
>> + required-opps = <&rpmhpd_opp_turbo>;
>> + };
>> +
>> + opp-460000000 {
>> + opp-hz = /bits/ 64 <460000000>;
>> + required-opps = <&rpmhpd_opp_turbo_l1>;
>> + };
>> + };
>> + };
>>
>> --
>> 2.34.1
>>
>
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