Re: [PATCH v3] arm64: dts: qcom: apq8016-sbc-d3: Add Qualcomm APQ8016 SBC + D3Camera mezzanine

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On Mon 18 May 01:21 PDT 2020, Robert Foss wrote:

> Add device treee support for the Qualcomm APQ8016 SBC, otherwise known as
> the Dragonboard 410c with the D3Camera mezzanine expansion board.
> 
> The D3Camera mezzanine ships in a kit with a OmniVision 5640 sensor module,
> which is what this DT targets.
> 
> Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxx>
> ---
> 
> Changes since v2:
>  - Vinod: Change copyright assignment to Linaro
> 
> Changes since v1:
>  - Vinod: Changed license to GPL+BSD
>  - Vinod: Changed copyright year to 2020
>  - Nico: Changed name of mezzanine to d3camera
> 
>  arch/arm64/boot/dts/qcom/Makefile             |  1 +
>  .../boot/dts/qcom/apq8016-sbc-d3camera.dts    | 45 +++++++++++++++++++
>  2 files changed, 46 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/apq8016-sbc-d3camera.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index cc103f7020fd..3f95b522694e 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -1,5 +1,6 @@
>  # SPDX-License-Identifier: GPL-2.0
>  dtb-$(CONFIG_ARCH_QCOM)	+= apq8016-sbc.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= apq8016-sbc-d3camera.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-db820c.dtb
>  dtb-$(CONFIG_ARCH_QCOM) += apq8096-ifc6640.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= ipq6018-cp01-c1.dtb
> diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc-d3camera.dts b/arch/arm64/boot/dts/qcom/apq8016-sbc-d3camera.dts
> new file mode 100644
> index 000000000000..752e5ec47499
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/apq8016-sbc-d3camera.dts
> @@ -0,0 +1,45 @@
> +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
> +/*
> + * Copyright (c) 2020, The Linux Foundation. All rights reserved.

That's not how you spell "Linaro Ltd" :)

> + */
> +
> +/dts-v1/;
> +
> +#include "apq8016-sbc.dtsi"
> +
> +/ {
> +	model = "Qualcomm Technologies, Inc. APQ 8016 SBC w/ D3Camera Mezzanine";
> +	compatible = "qcom,apq8016-sbc", "qcom,apq8016", "qcom,sbc";

Please add qcom,apq8016-sbc-d3camera" (or qcom,db410c-d3camera :)) and
drop the vague "qcom,sbc".

> +};
> +
> +&cci_i2c0 {
> +	/delete-node/ camera_rear@3b;

camera_rear@3b is disabled already, so you shouldn't need this.

Should we really carry the node in apq8016-sbc.dtsi? (Unrelated/separate
change).

Regards,
Bjorn

> +
> +	camera_rear@76 {
> +		compatible = "ovti,ov5640";
> +		reg = <0x76>;
> +
> +		enable-gpios = <&msmgpio 34 GPIO_ACTIVE_HIGH>;
> +		reset-gpios = <&msmgpio 35 GPIO_ACTIVE_LOW>;
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&camera_rear_default>;
> +
> +		clocks = <&gcc GCC_CAMSS_MCLK0_CLK>;
> +		clock-names = "xclk";
> +		clock-frequency = <23880000>;
> +
> +		vdddo-supply = <&camera_vdddo_1v8>;
> +		vdda-supply = <&camera_vdda_2v8>;
> +		vddd-supply = <&camera_vddd_1v5>;
> +
> +		status = "ok";
> +
> +		port {
> +			ov5640_ep: endpoint {
> +				clock-lanes = <1>;
> +				data-lanes = <0 2>;
> +				remote-endpoint = <&csiphy0_ep>;
> +			};
> +		};
> +	};
> +};
> -- 
> 2.25.1
> 



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