Define three fixed regulators for camera AVDD rails, each gpio-controlled
with corresponding pinctrl definitions.

Signed-off-by: Nihal Kumar Gupta <quic_nihalkum@quicinc.com>
Signed-off-by: Vikram Sharma <quic_vikramsa@quicinc.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/monaco-evk.dts | 51 +++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/monaco-evk.dts b/arch/arm64/boot/dts/qcom/monaco-evk.dts
index 565418b86b2a..65c1b49c6dfb 100644
--- a/arch/arm64/boot/dts/qcom/monaco-evk.dts
+++ b/arch/arm64/boot/dts/qcom/monaco-evk.dts
@@ -77,6 +77,36 @@ platform {
 			};
 		};
 	};
+
+	vreg_cam0_2p8: vreg-cam0-2p8 {
+		compatible = "regulator-fixed";
+		regulator-name = "vreg_cam0_2p8";
+		startup-delay-us = <10000>;
+		enable-active-high;
+		gpio = <&tlmm 73 GPIO_ACTIVE_HIGH>;
+		pinctrl-0 = <&cam0_avdd_2v8_en_default>;
+		pinctrl-names = "default";
+	};
+
+	vreg_cam1_2p8: vreg-cam1-2p8 {
+		compatible = "regulator-fixed";
+		regulator-name = "vreg_cam1_2p8";
+		startup-delay-us = <10000>;
+		enable-active-high;
+		gpio = <&tlmm 74 GPIO_ACTIVE_HIGH>;
+		pinctrl-0 = <&cam1_avdd_2v8_en_default>;
+		pinctrl-names = "default";
+	};
+
+	vreg_cam2_2p8: vreg-cam2-2p8 {
+		compatible = "regulator-fixed";
+		regulator-name = "vreg_cam2_2p8";
+		startup-delay-us = <10000>;
+		enable-active-high;
+		gpio = <&tlmm 75 GPIO_ACTIVE_HIGH>;
+		pinctrl-0 = <&cam2_avdd_2v8_en_default>;
+		pinctrl-names = "default";
+	};
 };
 
 &apps_rsc {
@@ -564,6 +594,27 @@ perst-pins {
 		};
 	};
 
+	cam0_avdd_2v8_en_default: cam0-avdd-2v8-en-state {
+		pins = "gpio73";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	cam1_avdd_2v8_en_default: cam1-avdd-2v8-en-state {
+		pins = "gpio74";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	cam2_avdd_2v8_en_default: cam2-avdd-2v8-en-state {
+		pins = "gpio75";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+	};
+
 	qup_i2c15_default: qup-i2c15-state {
 		pins = "gpio91", "gpio92";
 		function = "qup1_se7";
-- 
2.34.1

On 1/21/26 20:31, Nihal Kumar Gupta wrote:
> Define three fixed regulators for camera AVDD rails, each gpio-controlled
> with corresponding pinctrl definitions.
> 
> Signed-off-by: Nihal Kumar Gupta <quic_nihalkum@quicinc.com>
> Signed-off-by: Vikram Sharma <quic_vikramsa@quicinc.com>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> ---
>   arch/arm64/boot/dts/qcom/monaco-evk.dts | 51 +++++++++++++++++++++++++
>   1 file changed, 51 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/monaco-evk.dts b/arch/arm64/boot/dts/qcom/monaco-evk.dts
> index 565418b86b2a..65c1b49c6dfb 100644
> --- a/arch/arm64/boot/dts/qcom/monaco-evk.dts
> +++ b/arch/arm64/boot/dts/qcom/monaco-evk.dts
> @@ -77,6 +77,36 @@ platform {
>   			};
>   		};
>   	};
> +
> +	vreg_cam0_2p8: vreg-cam0-2p8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vreg_cam0_2p8";
> +		startup-delay-us = <10000>;
> +		enable-active-high;
> +		gpio = <&tlmm 73 GPIO_ACTIVE_HIGH>;
> +		pinctrl-0 = <&cam0_avdd_2v8_en_default>;
> +		pinctrl-names = "default";
> +	};
> +
> +	vreg_cam1_2p8: vreg-cam1-2p8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vreg_cam1_2p8";
> +		startup-delay-us = <10000>;
> +		enable-active-high;
> +		gpio = <&tlmm 74 GPIO_ACTIVE_HIGH>;
> +		pinctrl-0 = <&cam1_avdd_2v8_en_default>;
> +		pinctrl-names = "default";
> +	};
> +
> +	vreg_cam2_2p8: vreg-cam2-2p8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vreg_cam2_2p8";
> +		startup-delay-us = <10000>;
> +		enable-active-high;
> +		gpio = <&tlmm 75 GPIO_ACTIVE_HIGH>;
> +		pinctrl-0 = <&cam2_avdd_2v8_en_default>;
> +		pinctrl-names = "default";

Since voltage level is known for all three regulators, why not to add

     regulator-min-microvolt = <2800000>;
     regulator-max-microvolt = <2800000>;

properties?

> +	}
>   };
>   
>   &apps_rsc {
> @@ -564,6 +594,27 @@ perst-pins {
>   		};
>   	};
>   
> +	cam0_avdd_2v8_en_default: cam0-avdd-2v8-en-state {
> +		pins = "gpio73";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +
> +	cam1_avdd_2v8_en_default: cam1-avdd-2v8-en-state {
> +		pins = "gpio74";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +
> +	cam2_avdd_2v8_en_default: cam2-avdd-2v8-en-state {
> +		pins = "gpio75";
> +		function = "gpio";
> +		drive-strength = <2>;
> +		bias-disable;
> +	};
> +
>   	qup_i2c15_default: qup-i2c15-state {
>   		pins = "gpio91", "gpio92";
>   		function = "qup1_se7";

-- 
Best wishes,
Vladimir