Re: [PATCH v8 13/18] arm64: dts: qcom: x1e80100-crd: Add ov08x40 RGB sensor on CSIPHY4

[Christopher Obbard <christopher.obbard@linaro.org>]

Hi Bryan,

On Wed, 2026-02-25 at 15:11 +0000, Bryan O'Donoghue wrote:
> Define ov08x40 on cci1_i2c1. The RGB sensor appears on the AON CCI pins
> connected to CSIPHY4 in four lane mode.
> 
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> ---

Reviewed-by: Christopher Obbard <christopher.obbard@linaro.org>

>  arch/arm64/boot/dts/qcom/x1-crd.dtsi | 76 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 76 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/x1-crd.dtsi b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
> index c89f5ad0aed56..d47404c71b80b 100644
> --- a/arch/arm64/boot/dts/qcom/x1-crd.dtsi
> +++ b/arch/arm64/boot/dts/qcom/x1-crd.dtsi
> @@ -6,6 +6,7 @@
>  #include <dt-bindings/gpio/gpio.h>
>  #include <dt-bindings/input/gpio-keys.h>
>  #include <dt-bindings/input/input.h>
> +#include <dt-bindings/phy/phy.h>
>  #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
>  #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>  
> @@ -901,6 +902,65 @@ &gpu {
>  	status = "okay";
>  };
>  
> +&camss {
> +	status = "okay";
> +
> +	ports {
> +		/*
> +		 * port0 => csiphy0
> +		 * port1 => csiphy1
> +		 * port2 => csiphy2
> +		 * port3 => csiphy4
> +		 */
> +		port@3 {
> +			camss_csiphy4_inep0: endpoint@0 {
> +				clock-lanes = <7>;
> +				data-lanes = <0 1 2 3>;
> +				remote-endpoint = <&ov08x40_ep>;
> +			};
> +		};
> +	};
> +};
> +
> +&cci1 {
> +	status = "okay";
> +};
> +
> +&cci1_i2c1 {
> +	camera@36 {
> +		compatible = "ovti,ov08x40";
> +		reg = <0x36>;
> +
> +		reset-gpios = <&tlmm 237 GPIO_ACTIVE_LOW>;
> +		pinctrl-0 = <&cam_rgb_default>;
> +		pinctrl-names = "default";
> +
> +		clocks = <&camcc CAM_CC_MCLK4_CLK>;
> +		assigned-clocks = <&camcc CAM_CC_MCLK4_CLK>;
> +		assigned-clock-rates = <19200000>;
> +
> +		orientation = <0>; /* front facing */
> +
> +		avdd-supply = <&vreg_l7b_2p8>;
> +		dovdd-supply = <&vreg_l3m_1p8>;
> +
> +		port {
> +			ov08x40_ep: endpoint {
> +				data-lanes = <1 2 3 4>;
> +				link-frequencies = /bits/ 64 <400000000>;
> +				remote-endpoint = <&camss_csiphy4_inep0>;
> +			};
> +		};
> +	};
> +};
> +
> +&csiphy4 {
> +	vdda-0p8-supply = <&vreg_l2c_0p8>;
> +	vdda-1p2-supply = <&vreg_l1c_1p2>;
> +
> +	status = "okay";
> +};
> +
>  &i2c0 {
>  	clock-frequency = <400000>;
>  
> @@ -1515,6 +1575,22 @@ &tlmm {
>  			       <44 4>, /* SPI (TPM) */
>  			       <238 1>; /* UFS Reset */
>  
> +	cam_rgb_default: cam-rgb-default-state {
> +		mclk-pins {
> +			pins = "gpio100";
> +			function = "cam_aon";
> +			drive-strength = <16>;
> +			bias-disable;
> +		};
> +
> +		reset-n-pins {
> +			pins = "gpio237";
> +			function = "gpio";
> +			drive-strength = <2>;
> +			bias-disable;
> +		};
> +	};
> +
>  	edp_reg_en: edp-reg-en-state {
>  		pins = "gpio70";
>  		function = "gpio";