Samsung Galaxy S8 (SM-G950F), codenamed dreamlte, is a mobile phone
from 2017. It features 4GB RAM, 64GB UFS 2.1, Exynos 8895 SoC and a
1440x2960 Super AMOLED display.
This initial device tree enables SimpleFB, PSTORE and GPIO keys.
Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@xxxxxxxxx>
---
arch/arm64/boot/dts/exynos/Makefile | 1 +
.../boot/dts/exynos/exynos8895-dreamlte.dts | 126 ++++++++++++++++++
2 files changed, 127 insertions(+)
create mode 100644 arch/arm64/boot/dts/exynos/exynos8895-dreamlte.dts
diff --git a/arch/arm64/boot/dts/exynos/Makefile b/arch/arm64/boot/dts/exynos/Makefile
index d7f2191c2..18f5a3eed 100644
--- a/arch/arm64/boot/dts/exynos/Makefile
+++ b/arch/arm64/boot/dts/exynos/Makefile
@@ -7,5 +7,6 @@ dtb-$(CONFIG_ARCH_EXYNOS) += \
exynos7-espresso.dtb \
exynos7885-jackpotlte.dtb \
exynos850-e850-96.dtb \
+ exynos8895-dreamlte.dtb \
exynosautov9-sadk.dtb \
exynosautov920-sadk.dtb
diff --git a/arch/arm64/boot/dts/exynos/exynos8895-dreamlte.dts b/arch/arm64/boot/dts/exynos/exynos8895-dreamlte.dts
new file mode 100644
index 000000000..3a376ab2b
--- /dev/null
+++ b/arch/arm64/boot/dts/exynos/exynos8895-dreamlte.dts
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * Samsung Galaxy S8 (dreamlte/SM-G950F) device tree source
+ *
+ * Copyright (c) 2024, Ivaylo Ivanov <ivo.ivanov.ivanov1@xxxxxxxxx>
+ */
+
+/dts-v1/;
+#include "exynos8895.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+ model = "Samsung Galaxy S8 (SM-G950F)";
+ compatible = "samsung,dreamlte", "samsung,exynos8895";
+ chassis-type = "handset";
+
+ chosen {
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges;
+
+ framebuffer: framebuffer@cc000000 {
+ compatible = "simple-framebuffer";
+ reg = <0 0xcc000000 (1440 * 2960 * 4)>;
+ width = <1440>;
+ height = <2960>;
+ stride = <(1440 * 4)>;
+ format = "a8r8g8b8";
+ };
+ };
+
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x3c800000>,
+ <0x0 0xc0000000 0x40000000>,
+ <0x8 0x80000000 0x80000000>;
+ };
+
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <1>;
+ ranges;
+
+ ramoops@92000000 {
+ compatible = "ramoops";
+ reg = <0 0x92000000 0x8000>;
+ record-size = <0x4000>;
+ console-size = <0x4000>;
+ };
+
+ cont_splash_mem: framebuffer@cc000000 {
+ reg = <0 0xcc000000 (1440 * 2960 * 4)>;
+ no-map;
+ };
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ pinctrl-0 = <&key_power &key_voldown &key_volup &key_wink>;
+ pinctrl-names = "default";
+
+ power-key {
+ label = "Power";
+ linux,code = <KEY_POWER>;
+ gpios = <&gpa2 4 GPIO_ACTIVE_LOW>;
+ wakeup-source;
+ };
+
+ voldown-key {
+ label = "Volume Down";
+ linux,code = <KEY_VOLUMEDOWN>;
+ gpios = <&gpa0 4 GPIO_ACTIVE_LOW>;
+ };
+
+ volup-key {
+ label = "Volume Up";
+ linux,code = <KEY_VOLUMEUP>;
+ gpios = <&gpa0 3 GPIO_ACTIVE_LOW>;
+ };
+
+ /* Typically used for Bixby. Map it as a camera button for now */
+ wink-key {
+ label = "Camera";
+ linux,code = <KEY_CAMERA>;
+ gpios = <&gpa0 6 GPIO_ACTIVE_LOW>;
+ wakeup-source;
+ };
+ };
+};
+
+&oscclk {
+ clock-frequency = <26000000>;
+};
+
+&pinctrl_alive {
+ key_power: key-power-pins {
+ samsung,pins = "gpa2-4";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS7_PIN_DRV_LV1>;
+ };
+
+ key_voldown: key-voldown-pins {
+ samsung,pins = "gpa0-4";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS7_PIN_DRV_LV1>;
+ };
+
+ key_volup: key-volup-pins {
+ samsung,pins = "gpa0-3";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS7_PIN_DRV_LV1>;
+ };
+
+ key_wink: key-wink-pins {
+ samsung,pins = "gpa0-6";
+ samsung,pin-function = <EXYNOS_PIN_FUNC_EINT>;
+ samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+ samsung,pin-drv = <EXYNOS7_PIN_DRV_LV1>;
+ };
+};
--
2.34.1
