Re: [PATCH v2 1/3] arm64: dts: qcom: lemans: add CSI2 D-PHY common-phy providers

[Nihal Kumar Gupta <nihal.gupta@oss.qualcomm.com>]

On 04-11-2026 03:40, Anusha Arun Nandi wrote:
> Expose the four SA8775p CSIPHYs as standalone qcom,sa8775p-csi2-phy
> generic-PHY provider nodes (csiphy0..3) at their existing register
> addresses, each with its own OF graph (port@0 sensor-facing, port@1
> CAMSS-facing) so camss_detect_legacy_phy() picks the non-legacy path
> once a board wires a sensor through one of them. The camss node's own
> reg-names/clocks/interrupts for the CSIPHYs are unchanged, so boards
> that don't use a provider still get the legacy binding.
> 
> The provider nodes are disabled by default; a board or camera overlay
> enables the one(s) it uses.
> 
> Reviewed-by: Jigarkumar Zala <jigarkumar.zala@oss.qualcomm.com>
> Signed-off-by: Anusha Arun Nandi <anusha.nandi@oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/lemans.dtsi | 140 +++++++++++++++++++++++++++
>  1 file changed, 140 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/lemans.dtsi b/arch/arm64/boot/dts/qcom/lemans.dtsi
> index 1fdb72fa5518..2a30bf1c82af 100644
> --- a/arch/arm64/boot/dts/qcom/lemans.dtsi
> +++ b/arch/arm64/boot/dts/qcom/lemans.dtsi
> @@ -5164,6 +5164,146 @@ cci3_i2c1: i2c-bus@1 {
>  			};
>  		};
>  
> +		csiphy0: phy@ac9c000 {
> +			compatible = "qcom,sa8775p-csi2-phy";
> +			reg = <0x0 0x0ac9c000 0x0 0x2000>;
...

> +		csiphy3: phy@aca2000 {
> +			compatible = "qcom,sa8775p-csi2-phy";

phy@ac9c000 through phy@aca2000 nodes precede the existing
isp@ac78000 node.
Sort CSIPHY nodes by unit-address numerically.

> +			reg = <0x0 0x0aca2000 0x0 0x2000>;
> +
> +			clocks = <&camcc CAM_CC_CSIPHY3_CLK>,
> +				 <&camcc CAM_CC_CSI3PHYTIMER_CLK>;
> +			clock-names = "core",
> +				      "timer";
> +
> +			interrupts = <GIC_SPI 448 IRQ_TYPE_EDGE_RISING>;
> +
> +			operating-points-v2 = <&csiphy_opp_table>;
> +
> +			power-domains = <&camcc CAM_CC_TITAN_TOP_GDSC>;
> +			power-domain-names = "top";
> +
> +			status = "disabled";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +				};
> +			};
> +		};
> +
> +		csiphy_opp_table: opp-table-csiphy {
> +			compatible = "operating-points-v2";
> +
> +			opp-300000000 {
> +				opp-hz = /bits/ 64 <300000000>;
> +			};
> +
> +			opp-400000000 {
> +				opp-hz = /bits/ 64 <400000000>;
> +			};
> +		};
> +
>  		camss: isp@ac78000 {
>  			compatible = "qcom,sa8775p-camss";
>  

-- 
Regards,
Nihal Kumar Gupta