linux-kernel - [PATCH 7/7] arm64: dts: mediatek: Add support for MT6795 Sony Xperia M5 smartphone

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Date:   Fri, 29 Jul 2022 12:44:39 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     robh+dt@...nel.org
Cc:     krzysztof.kozlowski+dt@...aro.org, vkoul@...nel.org,
        chaotian.jing@...iatek.com, ulf.hansson@...aro.org,
        matthias.bgg@...il.com, angelogioacchino.delregno@...labora.com,
        hsinyi@...omium.org, nfraprado@...labora.com,
        allen-kh.cheng@...iatek.com, fparent@...libre.com,
        sam.shih@...iatek.com, sean.wang@...iatek.com,
        long.cheng@...iatek.com, wenbin.mei@...iatek.com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        dmaengine@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, phone-devel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: [PATCH 7/7] 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@...labora.com>
---
 arch/arm64/boot/dts/mediatek/Makefile         |  1 +
 .../dts/mediatek/mt6795-sony-xperia-m5.dts    | 90 +++++++++++++++++++
 2 files changed, 91 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 af362a085a02..72fd683c9264 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..94d011c4126c
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt6795-sony-xperia-m5.dts
@@ -0,0 +1,90 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022, Collabora Ltd
+ * Author: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
+ */
+
+/dts-v1/;
+#include "mt6795.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	model = "Sony Xperia M5";
+	compatible = "sony,xperia-m5", "mediatek,mt6795";
+	chassis-type = "handset";
+
+	aliases {
+		mmc0 = &mmc0;
+		mmc1 = &mmc1;
+		serial0 = &uart0;
+		serial1 = &uart1;
+	};
+
+	memory@...00000 {
+		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@...00000 {
+			no-map;
+			reg = <0 0x43000000 0 0x30000>;
+		};
+
+		/* preloader and bootloader regions cannot be touched */
+		preloader-region@...00000 {
+			no-map;
+			reg = <0 0x44800000 0 0x100000>;
+		};
+
+		bootloader-region@...00000 {
+			no-map;
+			reg = <0 0x46000000 0 0x400000>;
+		};
+	};
+};
+
+&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>;
+};
-- 
2.35.1