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Message-ID: <20250914-exynos9610-devicetree-v1-3-2000fc3bbe0b@chimac.ro>
Date: Sun, 14 Sep 2025 20:44:21 +0000
From: Alexandru Chimac <alex@...mac.ro>
To: Krzysztof Kozlowski <krzk@...nel.org>, 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, Alexandru Chimac <alex@...mac.ro>
Subject: [PATCH 3/3] arm64: dts: exynos: Add initial support for Samsung Galaxy Tab S6 Lite (gta4xl)
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>,
+ <0x8 0x80000000 0x80000000>;
+ };
+
+ reserved-memory {
+ cont_splash_rmem: framebuffer@...00000 {
+ 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
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