linux-kernel - Re: [PATCH v2 3/3] arm64: dts: qcom: lemans-evk-camera: Add DT overlay

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Message-ID: <3caf5615-a813-42a0-b77a-695f250ea01d@linaro.org>
Date: Fri, 15 Aug 2025 09:30:03 +0100
From: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To: Wenmeng Liu <quic_wenmliu@...cinc.com>,
 Loic Poulain <loic.poulain@....qualcomm.com>, 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>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>, vladimir.zapolskiy@...aro.org,
 todor.too@...il.com
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
Subject: Re: [PATCH v2 3/3] arm64: dts: qcom: lemans-evk-camera: Add DT
 overlay

On 15/08/2025 08:07, Wenmeng Liu wrote:
> Enable IMX577 via CCI1 on Lemans EVK.
> 
> Signed-off-by: Wenmeng Liu <quic_wenmliu@...cinc.com>
> ---
>   arch/arm64/boot/dts/qcom/Makefile               |   4 +
>   arch/arm64/boot/dts/qcom/lemans-evk-camera.dtso | 105 ++++++++++++++++++++++++
>   2 files changed, 109 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 94a84770b0802a9dc0c56ce6c59eea20967a5d89..7efd113143013c6e9d211597a4c2defd44497c83 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -30,6 +30,10 @@ dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp449.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp453.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp454.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= lemans-evk.dtb
> +
> +lemans-evk-camera-dtbs	:= lemans-evk.dtb lemans-evk-camera.dtbo
> +
> +dtb-$(CONFIG_ARCH_QCOM) += lemans-evk-camera.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= msm8216-samsung-fortuna3g.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-acer-a1-724.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= msm8916-alcatel-idol347.dtb
> diff --git a/arch/arm64/boot/dts/qcom/lemans-evk-camera.dtso b/arch/arm64/boot/dts/qcom/lemans-evk-camera.dtso
> new file mode 100644
> index 0000000000000000000000000000000000000000..4600d5441cce4507734b2fdcdbffc1ad7c67c32d
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/lemans-evk-camera.dtso
> @@ -0,0 +1,105 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2024-2025 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +/*
> + * Camera Sensor overlay on top of leman evk core kit.
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +#include <dt-bindings/clock/qcom,sa8775p-camcc.h>
> +#include <dt-bindings/gpio/gpio.h>
> +
> +&{/} {
> +	vreg_cam1_1p8: vreg_cam1_1p8 {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vreg_cam1_1p8";
> +		startup-delay-us = <10000>;
> +		enable-active-high;
> +		gpio = <&pmm8654au_0_gpios 8 GPIO_ACTIVE_HIGH>;
> +	};
> +};
> +
> +&camcc {
> +	status = "okay";
> +};
> +
> +&camss {
> +	vdda-pll-supply = <&vreg_l1c>;
> +	vdda-phy-supply = <&vreg_l4a>;
> +
> +	status = "okay";
> +
> +	ports {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		port@1 {
> +			reg = <1>;
> +
> +			csiphy1_ep: endpoint {
> +				clock-lanes = <7>;
> +				data-lanes = <0 1 2 3>;
> +				remote-endpoint = <&imx577_ep1>;
> +			};
> +		};
> +	};
> +};
> +
> +&cci1 {
> +	pinctrl-0 = <&cci1_0_default>;
> +	pinctrl-1 = <&cci1_0_sleep>;
> +
> +	status = "okay";
> +};
> +
> +&cci1_i2c0 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	camera@1a {
> +		compatible = "sony,imx577";
> +		reg = <0x1a>;
> +
> +		reset-gpios = <&tlmm 133 GPIO_ACTIVE_LOW>;
> +		pinctrl-0 = <&cam1_default>;
> +		pinctrl-names = "default";
> +
> +		clocks = <&camcc CAM_CC_MCLK1_CLK>;
> +		assigned-clocks = <&camcc CAM_CC_MCLK1_CLK>;
> +		assigned-clock-rates = <24000000>;
> +
> +		dovdd-supply = <&vreg_s4a>;
> +		avdd-supply = <&vreg_cam1_1p8>;
> +
> +		port {
> +			imx577_ep1: endpoint {
> +				clock-lanes = <7>;
> +				link-frequencies = /bits/ 64 <600000000>;
> +				data-lanes = <0 1 2 3>;
> +				remote-endpoint = <&csiphy1_ep>;
> +			};
> +		};
> +	};
> +};
> +
> +&tlmm {
> +	cam1_default: cam1-default-state {
> +		mclk-pins {
> +			pins = "gpio73";
> +			function = "cam_mclk";
> +			drive-strength = <2>;
> +			bias-disable;
> +		};
> +
> +		rst-pins {
> +			pins = "gpio133";
> +			function = "gpio";
> +			drive-strength = <2>;
> +			bias-disable;
> +		};
> +	};
> +};
> 
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>