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Message-ID: <20241030232308.72210-3-umer.uddin@mentallysanemainliners.org>
Date: Wed, 30 Oct 2024 23:23:06 +0000
From: Umer Uddin <umer.uddin@...tallysanemainliners.org>
To: Krzysztof Kozlowski <krzk@...nel.org>,
	Alim Akhtar <alim.akhtar@...sung.com>,
	Rob Herring <robh@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Ivaylo Ivanov <ivo.ivanov.ivanov1@...il.com>
Cc: linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	igor.belwon@...tallysanemainliners.org
Subject: [PATCH v3 2/4] arm64: dts: exynos: Add initial support for Samsung Galaxy S20 Series boards (hubble)

Add initial support for the Samsung Galaxy S20 Series (hubble) phones.
They were launched in 2020, and are based on the Exynos 990 SoC.
The devices have multiple RAM configurations,
starting from 8GB going all the way up to 16GB for the S20 Ultra devices.

This device tree adds support for the following:

- SimpleFB
- 8GB RAM (Any more will be mapped in device trees)
- Buttons

Signed-off-by: Umer Uddin <umer.uddin@...tallysanemainliners.org>
---
 .../dts/exynos/exynos990-hubble-common.dtsi   | 98 +++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 arch/arm64/boot/dts/exynos/exynos990-hubble-common.dtsi

diff --git a/arch/arm64/boot/dts/exynos/exynos990-hubble-common.dtsi b/arch/arm64/boot/dts/exynos/exynos990-hubble-common.dtsi
new file mode 100644
index 000000000..55fa8e9e0
--- /dev/null
+++ b/arch/arm64/boot/dts/exynos/exynos990-hubble-common.dtsi
@@ -0,0 +1,98 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/*
+ * Samsung Galaxy S20 Series device tree source
+ *
+ * Copyright (c) 2024, Umer Uddin <umer.uddin@...tallysanemainliners.org>
+ */
+
+/dts-v1/;
+#include "exynos990.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	chosen {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		framebuffer0: framebuffer@...00000 {
+			compatible = "simple-framebuffer";
+			reg = <0 0xf1000000 0 (1440 * 3200 * 4)>;
+			width = <1440>;
+			height = <3200>;
+			stride = <(1440 * 4)>;
+			format = "a8r8g8b8";
+		};
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		cont_splash_mem: framebuffer@...00000 {
+			reg = <0 0xf1000000 0 0x1194000>;
+			no-map;
+		};
+
+		abox_reserved: audio@...b0000 {
+			reg = <0 0xf7fb0000 0 0x2a50000>;
+			no-map;
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		pinctrl-0 = <&key_power &key_voldown &key_volup>;
+		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>;
+		};
+	};
+};
+
+&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 = <EXYNOS5420_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 = <EXYNOS5420_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 = <EXYNOS5420_PIN_DRV_LV1>;
+	};
+};
-- 
2.47.0


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