From c9e7d2166a71030bcad4d4814421202537b660c9 Mon Sep 17 00:00:00 2001
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: Thu, 27 Oct 2022 11:55:04 +0200
Subject: arm64: dts: mediatek: Add support for MT6795 Sony Xperia M5
 smartphone

Add a basic support for the Sony Xperia M5 (codename "Holly")
smartphone, powered by a MediaTek Helio X10 SoC.

This achieves a console boot.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221027095504.37432-7-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
---
 arch/arm64/boot/dts/mediatek/Makefile              |  1 +
 .../boot/dts/mediatek/mt6795-sony-xperia-m5.dts    | 88 ++++++++++++++++++++++
 2 files changed, 89 insertions(+)
 create mode 100644 arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts

diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index 0ec90cb3ef28..813e735c5b96 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -3,6 +3,7 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt2712-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6755-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6779-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-evb.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt6795-sony-xperia-m5.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-evb.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt6797-x20-dev.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt7622-rfb1.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts
new file mode 100644
index 000000000000..d3415527d389
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022, Collabora Ltd
+ * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
+ */
+
+/dts-v1/;
+#include "mt6795.dtsi"
+
+/ {
+	model = "Sony Xperia M5";
+	compatible = "sony,xperia-m5", "mediatek,mt6795";
+	chassis-type = "handset";
+
+	aliases {
+		mmc0 = &mmc0;
+		mmc1 = &mmc1;
+		serial0 = &uart0;
+		serial1 = &uart1;
+	};
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0 0x40000000 0 0x1e800000>;
+	};
+
+	reserved_memory: reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* 128 KiB reserved for ARM Trusted Firmware (BL31) */
+		bl31_secmon_reserved: secmon@43000000 {
+			reg = <0 0x43000000 0 0x30000>;
+			no-map;
+		};
+
+		/* preloader and bootloader regions cannot be touched */
+		preloader-region@44800000 {
+			reg = <0 0x44800000 0 0x100000>;
+			no-map;
+		};
+
+		bootloader-region@46000000 {
+			reg = <0 0x46000000 0 0x400000>;
+			no-map;
+		};
+	};
+};
+
+&pio {
+	uart0_pins: uart0-pins {
+		pins-rx {
+			pinmux = <PINMUX_GPIO113__FUNC_URXD0>;
+			bias-pull-up;
+			input-enable;
+		};
+		pins-tx {
+			pinmux = <PINMUX_GPIO114__FUNC_UTXD0>;
+			output-high;
+		};
+	};
+
+	uart2_pins: uart2-pins {
+		pins-rx {
+			pinmux = <PINMUX_GPIO31__FUNC_URXD2>;
+			bias-pull-up;
+			input-enable;
+		};
+		pins-tx {
+			pinmux = <PINMUX_GPIO32__FUNC_UTXD2>;
+		};
+	};
+};
+
+&uart0 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_pins>;
+};
+
+&uart2 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_pins>;
+};
-- 
cgit