linux-kernel - Re: [PATCH 6/6] arm64: dts: qcom: x1e80100: Add CAMSS block definition

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Message-ID: <3c34afac-478d-47a6-97df-cc45415f6411@oss.qualcomm.com>
Date: Sat, 7 Dec 2024 13:24:45 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
        Loic Poulain <loic.poulain@...aro.org>, Robert Foss <rfoss@...nel.org>,
        Andi Shyti <andi.shyti@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, Todor Tomov <todor.too@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd
 <sboyd@...nel.org>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        Jagadeesh Kona <quic_jkona@...cinc.com>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-i2c@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH 6/6] arm64: dts: qcom: x1e80100: Add CAMSS block
 definition

On 19.11.2024 2:10 PM, Bryan O'Donoghue wrote:
> Add dtsi to describe the xe180100 CAMSS block
> 
> 4 x CSIPHY
> 2 x CSID
> 2 x CSID Lite
> 2 x IFE
> 2 x IFE Lite
> 
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/x1e80100.dtsi | 180 +++++++++++++++++++++++++++++++++
>  1 file changed, 180 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/x1e80100.dtsi b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> index c19754fdc7e0fa4f674ce19f813db77fe2615cf3..f23352493cb270c0fdc3c42add032286601db1e9 100644
> --- a/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> +++ b/arch/arm64/boot/dts/qcom/x1e80100.dtsi
> @@ -4730,6 +4730,186 @@ cci1_i2c1: i2c-bus@1 {
>  			};
>  		};
>  
> +		camss: camss@...2000 {
> +			compatible = "qcom,x1e80100-camss";
> +
> +			reg = <0 0x0acb7000 0 0x2000>,
> +			      <0 0x0acb9000 0 0x2000>,
> +			      <0 0x0acbb000 0 0x2000>,
> +			      <0 0x0acb6000 0 0x1000>,
> +			      <0 0x0ace4000 0 0x1000>,
> +			      <0 0x0ace6000 0 0x1000>,
> +			      <0 0x0ace8000 0 0x1000>,
> +			      <0 0x0acec000 0 0x4000>,
> +			      <0 0x0acc7000 0 0x2000>,
> +			      <0 0x0accb000 0 0x2000>,
> +			      <0 0x0ac62000 0 0x2a00>,
> +			      <0 0x0ac71000 0 0x2a00>;
> +
> +			reg-names = "csid0",

Please remove the blank lines between x and x-names

> +				    "csid1",
> +				    "csid2",
> +				    "csid_wrapper",

This doesn't seem to match what the commit msg promises

[...]

> +
> +			iommus = <&apps_smmu 0x800 0x60>,
> +				 <&apps_smmu 0x820 0x60>,
> +				 <&apps_smmu 0x840 0x60>,
> +				 <&apps_smmu 0x860 0x60>,
> +				 <&apps_smmu 0x1800 0x60>,
> +				 <&apps_smmu 0x1820 0x60>,
> +				 <&apps_smmu 0x1840 0x60>,
> +				 <&apps_smmu 0x1860 0x60>,
> +				 <&apps_smmu 0x18a0 0x00>,
> +				 <&apps_smmu 0x18e0 0x00>,
> +				 <&apps_smmu 0x1900 0x00>,
> +				 <&apps_smmu 0x1980 0x20>,
> +				 <&apps_smmu 0x19a0 0x20>;

>>> for pair in a:
...     print(hex(pair[0] & ~pair[1]))
... 
0x800
0x800
0x800
0x800
0x1800
0x1800
0x1800
0x1800
0x18a0
0x18e0
0x1900
0x1980
0x1980

Please remove the duplicates

> +
> +			interconnects = <&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_CAMERA_CFG 0>,

QCOM_ICC_TAG_ACTIVE_ONLY

> +					<&mmss_noc MASTER_CAMNOC_HF 0 &mc_virt SLAVE_EBI1 0>,
> +					<&mmss_noc MASTER_CAMNOC_SF 0 &mc_virt SLAVE_EBI1 0>,
> +					<&mmss_noc MASTER_CAMNOC_ICP 0 &mc_virt SLAVE_EBI1 0>;

QCOM_ICC_TAG_ALWAYS

Konrad