Re: [PATCH v2 2/2] ARM: msm8960: Add Samsung Galaxy Express support

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On 09/08/2022 03:03, Rudraksha Gupta wrote:
> This adds a very basic device tree file for the Samsung Galaxy Express
> SGH-I437. Currently, the following things work: UART, eMMC, SD Card, and
> USB.

Use subject prefix matching the subsystem.

> 
> Signed-off-by: Rudraksha Gupta <guptarud@xxxxxxxxx>
> ---
> v2:
>  - Group the correct changes together
> 
>  arch/arm/boot/dts/Makefile                    |   1 +
>  .../dts/qcom-msm8960-samsung-expressatt.dts   | 337 ++++++++++++++++++
>  2 files changed, 338 insertions(+)
>  create mode 100644 arch/arm/boot/dts/qcom-msm8960-samsung-expressatt.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 05d8aef6e5d2..d55f196ad733 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1049,6 +1049,7 @@ dtb-$(CONFIG_ARCH_QCOM) += \
>  	qcom-msm8660-surf.dtb \
>  	qcom-msm8916-samsung-serranove.dtb \
>  	qcom-msm8960-cdp.dtb \
> +	qcom-msm8960-samsung-expressatt.dtb \
>  	qcom-msm8974-lge-nexus5-hammerhead.dtb \
>  	qcom-msm8974-sony-xperia-rhine-amami.dtb \
>  	qcom-msm8974-sony-xperia-rhine-honami.dtb \
> diff --git a/arch/arm/boot/dts/qcom-msm8960-samsung-expressatt.dts b/arch/arm/boot/dts/qcom-msm8960-samsung-expressatt.dts
> new file mode 100644
> index 000000000000..cf557f0c9a59
> --- /dev/null
> +++ b/arch/arm/boot/dts/qcom-msm8960-samsung-expressatt.dts
> @@ -0,0 +1,337 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +#include <dt-bindings/input/input.h>
> +#include "qcom-msm8960.dtsi"
> +
> +/ {
> +	model = "Samsung Galaxy S3 SGH-I437";
> +	compatible = "samsung,expressatt", "qcom,msm8960";

Undocumented compatible. Run checkpatch.

> +
> +	aliases {
> +		serial0 = &gsbi5_serial;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges;

These three properties are confusing. Why adding them?


> +	};
> +
> +	soc {
> +		gsbi@16400000 {

Override by alias.

> +			status = "ok";

okay, not ok. Status goes at the end of properties.


> +			qcom,mode = <GSBI_PROT_I2C_UART>;
> +			serial@16440000 {
> +				status = "ok";

Same comments.

> +			};
> +		};
> +
> +		amba {
> +			/* eMMC */
> +			sdcc1: mmc@12400000 {

OK, I'll abandon the review. This file is really not matching anything
in the upstream. Please start your work from a proper upstreamed, recent
board.

Best regards,
Krzysztof



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