linux-kernel - Re: [PATCH 3/3] arm64: dts: exynos: Add initial support for Samsung Galaxy Tab S6 Lite (gta4xl)

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Message-ID: <9f255174-bfa4-4dfb-8c19-6488286fca21@kernel.org>
Date: Mon, 15 Sep 2025 06:32:58 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Alexandru Chimac <alex@...mac.ro>, Alim Akhtar <alim.akhtar@...sung.com>,
 Rob Herring <robh@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Kees Cook <kees@...nel.org>,
 Tony Luck <tony.luck@...el.com>, "Guilherme G. Piccoli" <gpiccoli@...lia.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-hardening@...r.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: exynos: Add initial support for Samsung
 Galaxy Tab S6 Lite (gta4xl)

On 14/09/2025 22:44, Alexandru Chimac wrote:
> Add initial support for the Samsung Galaxy Tab S6 Lite (SM-P610/P615):
> 
> - Framebuffer, through SimpleFB
> - RAM
> - Buttons
> 
> Signed-off-by: Alexandru Chimac <alex@...mac.ro>
> ---
>  arch/arm64/boot/dts/exynos/Makefile              |  1 +
>  arch/arm64/boot/dts/exynos/exynos9610-gta4xl.dts | 97 ++++++++++++++++++++++++
>  2 files changed, 98 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/exynos/Makefile b/arch/arm64/boot/dts/exynos/Makefile
> index bdb9e9813e506de3a8ff6d1c3115382cca6ea9d9..8aacff968fa10d6b645bafe910c71fb65e8569f8 100644
> --- a/arch/arm64/boot/dts/exynos/Makefile
> +++ b/arch/arm64/boot/dts/exynos/Makefile
> @@ -12,6 +12,7 @@ dtb-$(CONFIG_ARCH_EXYNOS) += \
>  	exynos7885-jackpotlte.dtb	\
>  	exynos850-e850-96.dtb		\
>  	exynos8895-dreamlte.dtb		\
> +	exynos9610-gta4xl.dtb		\
>  	exynos9810-starlte.dtb		\
>  	exynos990-c1s.dtb		\
>  	exynos990-r8s.dtb               \
> diff --git a/arch/arm64/boot/dts/exynos/exynos9610-gta4xl.dts b/arch/arm64/boot/dts/exynos/exynos9610-gta4xl.dts
> new file mode 100644
> index 0000000000000000000000000000000000000000..f455af22ff872c6f07b9bcfc68b1ae1f45d0def3
> --- /dev/null
> +++ b/arch/arm64/boot/dts/exynos/exynos9610-gta4xl.dts
> @@ -0,0 +1,97 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Galaxy Tab S6 Lite device tree
> + *
> + * Copyright (c) 2025, Alexandru Chimac <alexchimac@...tonmail.com>
> + */
> +
> +/dts-v1/;
> +
> +#include "exynos9610.dtsi"
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +
> +/ {
> +	compatible = "samsung,gta4xl", "samsung,exynos9610";
> +	#address-cells = <2>;
> +	#size-cells = <1>;
> +
> +	chosen {
> +		#address-cells = <2>;
> +		#size-cells = <1>;
> +		ranges;
> +
> +		framebuffer0: framebuffer@...00000 {
> +			compatible = "simple-framebuffer";
> +			memory-region = <&cont_splash_rmem>;
> +			width = <1200>;
> +			height = <2000>;
> +			stride = <(1200 * 4)>;
> +			format = "a8r8g8b8";
> +		};
> +	};
> +
> +	memory@...00000 {
> +		device_type = "memory";
> +		reg = <0x0 0x80000000 0x3AB00000>,
> +		      <0x0 0xC0000000 0x20000000>,
> +		      <0x0 0xE1900000 0x1E700000>,

Lowercase hex everywhere.


Best regards,
Krzysztof