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Message-ID: <aF6PqCY/E6H0Mc2/@trex>
Date: Fri, 27 Jun 2025 14:33:44 +0200
From: Jorge Ramirez <jorge.ramirez@....qualcomm.com>
To: Vikash Garodia <quic_vgarodia@...cinc.com>
Cc: Jorge Ramirez-Ortiz <jorge.ramirez@....qualcomm.com>, krzk+dt@...nel.org,
bryan.odonoghue@...aro.org, quic_dikshita@...cinc.com,
mchehab@...nel.org, robh@...nel.org, conor+dt@...nel.org,
konradybcio@...nel.org, andersson@...nel.org,
linux-arm-msm@...r.kernel.org, linux-media@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 5/5] arm64: dts: qcom: qcm2290: Add venus video node
On 27/06/25 17:40:19, Vikash Garodia wrote:
>
> On 6/26/2025 7:29 PM, Jorge Ramirez-Ortiz wrote:
> > Add DT entries for the qcm2290 venus encoder/decoder.
> >
> > Co-developed-by: Loic Poulain <loic.poulain@....qualcomm.com>
> > Signed-off-by: Loic Poulain <loic.poulain@....qualcomm.com>
> > Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez@....qualcomm.com>
> > ---
> > arch/arm64/boot/dts/qcom/qcm2290.dtsi | 57 +++++++++++++++++++++++++++
> > 1 file changed, 57 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/qcm2290.dtsi b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
> > index f49ac1c1f8a3..5326c91a0ff0 100644
> > --- a/arch/arm64/boot/dts/qcom/qcm2290.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
> > @@ -1628,6 +1628,63 @@ adreno_smmu: iommu@...0000 {
> > #iommu-cells = <2>;
> > };
> >
> > + venus: video-codec@...0000 {
> > + compatible = "qcom,qcm2290-venus";
> > + reg = <0 0x5a00000 0 0xf0000>;
> > + interrupts = <GIC_SPI 225 IRQ_TYPE_LEVEL_HIGH>;
> > +
> > + power-domains = <&gcc GCC_VENUS_GDSC>,
> > + <&gcc GCC_VCODEC0_GDSC>,
> > + <&rpmpd QCM2290_VDDCX>;
> > + power-domain-names = "venus",
> > + "vcodec0",
> > + "cx";
> > + operating-points-v2 = <&venus_opp_table>;
> > +
> > + clocks = <&gcc GCC_VIDEO_VENUS_CTL_CLK>,
> > + <&gcc GCC_VIDEO_AHB_CLK>,
> > + <&gcc GCC_VENUS_CTL_AXI_CLK>,
> > + <&gcc GCC_VIDEO_THROTTLE_CORE_CLK>,
> > + <&gcc GCC_VIDEO_VCODEC0_SYS_CLK>,
> > + <&gcc GCC_VCODEC0_AXI_CLK>;
> > + clock-names = "core",
> > + "iface",
> > + "bus",
> > + "throttle",
> > + "vcodec0_core",
> > + "vcodec0_bus";
> > +
> > + memory-region = <&pil_video_mem>;
> > + iommus = <&apps_smmu 0x860 0x0>,
> > + <&apps_smmu 0x880 0x0>,
> > + <&apps_smmu 0x861 0x04>,
> > + <&apps_smmu 0x863 0x0>,
> > + <&apps_smmu 0x804 0xe0>;
> keep only the non secure ones.
ok
> > +
> > + interconnects = <&mmnrt_virt MASTER_VIDEO_P0 RPM_ALWAYS_TAG
> > + &bimc SLAVE_EBI1 RPM_ALWAYS_TAG>,
> > + <&bimc MASTER_APPSS_PROC RPM_ACTIVE_TAG
> > + &config_noc SLAVE_VENUS_CFG RPM_ACTIVE_TAG>;
> > + interconnect-names = "video-mem",
> > + "cpu-cfg";
> > +
> > + status = "okay";
> > +
> > + venus_opp_table: opp-table {
> > + compatible = "operating-points-v2";
> > +
> > + opp-133000000 {
> > + opp-hz = /bits/ 64 <133000000>;
> > + required-opps = <&rpmpd_opp_low_svs>;
> > + };
> Fix the corner freq value
can you add some reference please?
I took this data from an internal document - not sure why the downstream
driver supports different values or where those were taken from (AFAIK
they are not supported)
>
> Regards,
> Vikash
> > +
> > + opp-240000000 {
> > + opp-hz = /bits/ 64 <240000000>;
> > + required-opps = <&rpmpd_opp_svs>;
> > + };
> > + };
> > + };
> > +
> > mdss: display-subsystem@...0000 {
> > compatible = "qcom,qcm2290-mdss";
> > reg = <0x0 0x05e00000 0x0 0x1000>;
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