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Date: Wed, 12 May 2021 14:29:12 +0300
From: Stanimir Varbanov <stanimir.varbanov@...aro.org>
To: Matthias Kaehlcke <mka@...omium.org>,
Dikshita Agarwal <dikshita@...eaurora.org>
Cc: andy.gross@...aro.org, david.brown@...aro.org, robh+dt@...nel.org,
mark.rutland@....com, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
vgarodia@...eaurora.org
Subject: Re: [PATCH] dt-bindings: media: venus: Add sc7280 dt schema
Hi Matthias,
On 4/27/21 12:30 AM, Matthias Kaehlcke wrote:
> From a quick glance this looks extremely similar to the venus binding
> for sc7180. Is there really a good reason for a separate binding?
The Venus IP is different (newer) for sc7280 (Iris2 vs AR50), and I
think it is clearer if we have separate yaml for it.
>
> On Mon, Apr 26, 2021 at 03:51:55PM +0530, Dikshita Agarwal wrote:
>> Add a schema description for the venus video encoder/decoder on the sc7280.
>>
>> Signed-off-by: Dikshita Agarwal <dikshita@...eaurora.org>
>> ---
>> .../bindings/media/qcom,sc7280-venus.yaml | 158 +++++++++++++++++++++
>> 1 file changed, 158 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml
>>
>> 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..a258d97
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml
>> @@ -0,0 +1,158 @@
>> +# 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@...aro.org>
>> +
>> +description: |
>> + The Venus 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_clk
>> + - const: video_cc_mvsc_ctl_axi
>> + - const: iface_clk
>> + - const: vcodec_clk
>> + - const: video_cc_mvs0_ctl_axi
>> +
>> + 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@...0000 {
>> + 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_clk", "video_cc_mvsc_ctl_axi",
>> + "iface_clk", "vcodec_clk",
>> + "video_cc_mvs0_ctl_axi";
>> +
>> + 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
>>
--
regards,
Stan
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