Add initial support for the Samsung Galaxy Tab S6 Lite (SM-P610/P615):

- Framebuffer, through SimpleFB
- RAM
- Buttons

Signed-off-by: Alexandru Chimac <alex@chimac.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@protonmail.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@ca000000 {
+			compatible = "simple-framebuffer";
+			memory-region = <&cont_splash_rmem>;
+			width = <1200>;
+			height = <2000>;
+			stride = <(1200 * 4)>;
+			format = "a8r8g8b8";
+		};
+	};
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x0 0x80000000 0x3AB00000>,
+		      <0x0 0xC0000000 0x20000000>,
+		      <0x0 0xE1900000 0x1E700000>,
+		      <0x8 0x80000000 0x80000000>;
+	};
+
+	reserved-memory {
+		cont_splash_rmem: framebuffer@ca000000 {
+			reg = <0 0xca000000 (1200 * 2000 * 4)>;
+			no-map;
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		pinctrl-0 = <&key_voldown &key_volup &key_power>;
+		pinctrl-names = "default";
+
+		volup-key {
+			label = "Volume UP";
+			linux,code = <KEY_VOLUMEUP>;
+			gpios = <&gpa1 5 GPIO_ACTIVE_LOW>;
+		};
+
+		voldown-key {
+			label = "Volume Down";
+			linux,code = <KEY_VOLUMEDOWN>;
+			gpios = <&gpa1 6 GPIO_ACTIVE_LOW>;
+		};
+
+		power-key {
+			label = "Power";
+			linux,code = <KEY_POWER>;
+			gpios = <&gpa1 7 GPIO_ACTIVE_LOW>;
+			wakeup-source;
+		};
+	};
+};
+
+&pinctrl_alive {
+	key_volup: key-volup-pins {
+		samsung,pins = "gpa1-5";
+		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+	};
+
+	key_voldown: key-voldown-pins {
+		samsung,pins = "gpa1-6";
+		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+	};
+
+	key_power: key-power-pins {
+		samsung,pins = "gpa1-7";
+		samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
+	};
+};

-- 
2.47.3

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@chimac.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@protonmail.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@ca000000 {
> +			compatible = "simple-framebuffer";
> +			memory-region = <&cont_splash_rmem>;
> +			width = <1200>;
> +			height = <2000>;
> +			stride = <(1200 * 4)>;
> +			format = "a8r8g8b8";
> +		};
> +	};
> +
> +	memory@80000000 {
> +		device_type = "memory";
> +		reg = <0x0 0x80000000 0x3AB00000>,
> +		      <0x0 0xC0000000 0x20000000>,
> +		      <0x0 0xE1900000 0x1E700000>,

Lowercase hex everywhere.


Best regards,
Krzysztof