arm64: dts: mediatek: Initial mt8365-evk support

This adds minimal support for the Mediatek 8365 SOC and the EVK reference
board, allowing the board to boot to initramfs with serial port I/O.
Signed-off-by: Fabien Parent <fparent@baylibre.com>
[bero@baylibre.com: Removed parts depending on drivers that aren't upstream yet, cleanups, add CPU cache layout, add systimer, fix GIC]
Signed-off-by: Bernhard Rosenkränzer <bero@baylibre.com>
[aouledameur@baylibre.com: Fix systimer properties]
Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
Signed-off-by: Alexandre Mergnat <amergnat@baylibre.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230309213501.794764-4-bero@baylibre.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/boot/dts/mediatek/Makefile

@@ -52,4 +52,5 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-cherry-tomato-r2.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-cherry-tomato-r3.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-demo.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8195-evb.dtb
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8365-evk.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtb

arch/arm64/boot/dts/mediatek/mt8365-evk.dts

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2021-2022 BayLibre, SAS.
+ * Authors:
+ * Fabien Parent <fparent@baylibre.com>
+ * Bernhard Rosenkränzer <bero@baylibre.com>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/pinctrl/mt8365-pinfunc.h>
+#include "mt8365.dtsi"
+
+/ {
+	model = "MediaTek MT8365 Open Platform EVK";
+	compatible = "mediatek,mt8365-evk", "mediatek,mt8365";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:921600n8";
+	};
+
+	firmware {
+		optee {
+			compatible = "linaro,optee-tz";
+			method = "smc";
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&gpio_keys>;
+
+		key-volume-up {
+			gpios = <&pio 24 GPIO_ACTIVE_LOW>;
+			label = "volume_up";
+			linux,code = <KEY_VOLUMEUP>;
+			wakeup-source;
+			debounce-interval = <15>;
+		};
+	};
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0 0x40000000 0 0xc0000000>;
+	};
+
+	usb_otg_vbus: regulator-0 {
+		compatible = "regulator-fixed";
+		regulator-name = "otg_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&pio 16 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* 128 KiB reserved for ARM Trusted Firmware (BL31) */
+		bl31_secmon_reserved: secmon@43000000 {
+			no-map;
+			reg = <0 0x43000000 0 0x20000>;
+		};
+
+		/* 12 MiB reserved for OP-TEE (BL32)
+		 * +-----------------------+ 0x43e0_0000
+		 * |      SHMEM 2MiB       |
+		 * +-----------------------+ 0x43c0_0000
+		 * |        | TA_RAM  8MiB |
+		 * + TZDRAM +--------------+ 0x4340_0000
+		 * |        | TEE_RAM 2MiB |
+		 * +-----------------------+ 0x4320_0000
+		 */
+		optee_reserved: optee@43200000 {
+			no-map;
+			reg = <0 0x43200000 0 0x00c00000>;
+		};
+	};
+};
+
+&pio {
+	gpio_keys: gpio-keys-pins {
+		pins {
+			pinmux = <MT8365_PIN_24_KPCOL0__FUNC_KPCOL0>;
+			bias-pull-up;
+			input-enable;
+		};
+	};
+
+	uart0_pins: uart0-pins {
+		pins {
+			pinmux = <MT8365_PIN_35_URXD0__FUNC_URXD0>,
+				 <MT8365_PIN_36_UTXD0__FUNC_UTXD0>;
+		};
+	};
+
+	uart1_pins: uart1-pins {
+		pins {
+			pinmux = <MT8365_PIN_37_URXD1__FUNC_URXD1>,
+				 <MT8365_PIN_38_UTXD1__FUNC_UTXD1>;
+		};
+	};
+
+	uart2_pins: uart2-pins {
+		pins {
+			pinmux = <MT8365_PIN_39_URXD2__FUNC_URXD2>,
+				 <MT8365_PIN_40_UTXD2__FUNC_UTXD2>;
+		};
+	};
+
+	usb_pins: usb-pins {
+		id-pins {
+			pinmux = <MT8365_PIN_17_GPIO17__FUNC_GPIO17>;
+			input-enable;
+			bias-pull-up;
+		};
+
+		usb0-vbus-pins {
+			pinmux = <MT8365_PIN_16_GPIO16__FUNC_USB_DRVVBUS>;
+			output-high;
+		};
+
+		usb1-vbus-pins {
+			pinmux = <MT8365_PIN_18_GPIO18__FUNC_GPIO18>;
+			output-high;
+		};
+	};
+
+	pwm_pins: pwm-pins {
+		pins {
+			pinmux = <MT8365_PIN_19_DISP_PWM__FUNC_PWM_A>,
+				 <MT8365_PIN_116_I2S_BCK__FUNC_PWM_C>;
+		};
+	};
+};
+
+&pwm {
+	pinctrl-0 = <&pwm_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&uart0 {
+	pinctrl-0 = <&uart0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&uart1 {
+	pinctrl-0 = <&uart1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-0 = <&uart2_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};

arch/arm64/boot/dts/mediatek/mt8365.dtsi

+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * (C) 2018 MediaTek Inc.
+ * Copyright (C) 2022 BayLibre SAS
+ * Fabien Parent <fparent@baylibre.com>
+ * Bernhard Rosenkränzer <bero@baylibre.com>
+ */
+#include <dt-bindings/clock/mediatek,mt8365-clk.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/phy/phy.h>
+
+/ {
+	compatible = "mediatek,mt8365";
+	interrupt-parent = <&sysirq>;
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		cpu-map {
+			cluster0 {
+				core0 {
+					cpu = <&cpu0>;
+				};
+				core1 {
+					cpu = <&cpu1>;
+				};
+				core2 {
+					cpu = <&cpu2>;
+				};
+				core3 {
+					cpu = <&cpu3>;
+				};
+			};
+		};
+
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x0>;
+			#cooling-cells = <2>;
+			enable-method = "psci";
+			i-cache-size = <0x8000>;
+			i-cache-line-size = <64>;
+			i-cache-sets = <256>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <64>;
+			d-cache-sets = <256>;
+			next-level-cache = <&l2>;
+		};
+
+		cpu1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x1>;
+			#cooling-cells = <2>;
+			enable-method = "psci";
+			i-cache-size = <0x8000>;
+			i-cache-line-size = <64>;
+			i-cache-sets = <256>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <64>;
+			d-cache-sets = <256>;
+			next-level-cache = <&l2>;
+		};
+
+		cpu2: cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x2>;
+			#cooling-cells = <2>;
+			enable-method = "psci";
+			i-cache-size = <0x8000>;
+			i-cache-line-size = <64>;
+			i-cache-sets = <256>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <64>;
+			d-cache-sets = <256>;
+			next-level-cache = <&l2>;
+		};
+
+		cpu3: cpu@3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a53";
+			reg = <0x3>;
+			#cooling-cells = <2>;
+			enable-method = "psci";
+			i-cache-size = <0x8000>;
+			i-cache-line-size = <64>;
+			i-cache-sets = <256>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <64>;
+			d-cache-sets = <256>;
+			next-level-cache = <&l2>;
+		};
+
+		l2: l2-cache {
+			compatible = "cache";
+			cache-level = <2>;
+			cache-size = <0x80000>;
+			cache-line-size = <64>;
+			cache-sets = <512>;
+			cache-unified;
+		};
+	};
+
+	clk26m: oscillator {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <26000000>;
+		clock-output-names = "clk26m";
+	};
+
+	psci {
+		compatible = "arm,psci-1.0";
+		method = "smc";
+	};
+
+	soc {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		compatible = "simple-bus";
+		ranges;
+
+		gic: interrupt-controller@c000000 {
+			compatible = "arm,gic-v3";
+			#interrupt-cells = <3>;
+			interrupt-parent = <&gic>;
+			interrupt-controller;
+			reg = <0 0x0c000000 0 0x10000>, /* GICD */
+			      <0 0x0c080000 0 0x80000>, /* GICR */
+			      <0 0x0c400000 0 0x2000>,  /* GICC */
+			      <0 0x0c410000 0 0x1000>,  /* GICH */
+			      <0 0x0c420000 0 0x2000>;  /* GICV */
+
+			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		topckgen: syscon@10000000 {
+			compatible = "mediatek,mt8365-topckgen", "syscon";
+			reg = <0 0x10000000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		infracfg: syscon@10001000 {
+			compatible = "mediatek,mt8365-infracfg", "syscon";
+			reg = <0 0x10001000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		pericfg: syscon@10003000 {
+			compatible = "mediatek,mt8365-pericfg", "syscon";
+			reg = <0 0x10003000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		syscfg_pctl: syscfg-pctl@10005000 {
+			compatible = "mediatek,mt8365-syscfg", "syscon";
+			reg = <0 0x10005000 0 0x1000>;
+		};
+
+		pio: pinctrl@1000b000 {
+			compatible = "mediatek,mt8365-pinctrl";
+			reg = <0 0x1000b000 0 0x1000>;
+			mediatek,pctl-regmap = <&syscfg_pctl>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		apmixedsys: syscon@1000c000 {
+			compatible = "mediatek,mt8365-apmixedsys", "syscon";
+			reg = <0 0x1000c000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		keypad: keypad@10010000 {
+			compatible = "mediatek,mt6779-keypad";
+			reg = <0 0x10010000 0 0x1000>;
+			wakeup-source;
+			interrupts = <GIC_SPI 124 IRQ_TYPE_EDGE_FALLING>;
+			clocks = <&clk26m>;
+			clock-names = "kpd";
+			status = "disabled";
+		};
+
+		mcucfg: syscon@10200000 {
+			compatible = "mediatek,mt8365-mcucfg", "syscon";
+			reg = <0 0x10200000 0 0x2000>;
+			#clock-cells = <1>;
+		};
+
+		sysirq: interrupt-controller@10200a80 {
+			compatible = "mediatek,mt8365-sysirq", "mediatek,mt6577-sysirq";
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			interrupt-parent = <&gic>;
+			reg = <0 0x10200a80 0 0x20>;
+		};
+
+		infracfg_nao: infracfg@1020e000 {
+			compatible = "mediatek,mt8365-infracfg", "syscon";
+			reg = <0 0x1020e000 0 0x1000>;
+			#clock-cells = <1>;
+		};
+
+		rng: rng@1020f000 {
+			compatible = "mediatek,mt8365-rng", "mediatek,mt7623-rng";
+			reg = <0 0x1020f000 0 0x100>;
+			clocks = <&infracfg CLK_IFR_TRNG>;
+			clock-names = "rng";
+		};
+
+		apdma: dma-controller@11000280 {
+			compatible = "mediatek,mt8365-uart-dma", "mediatek,mt6577-uart-dma";
+			reg = <0 0x11000280 0 0x80>,
+			      <0 0x11000300 0 0x80>,
+			      <0 0x11000380 0 0x80>,
+			      <0 0x11000400 0 0x80>,
+			      <0 0x11000580 0 0x80>,
+			      <0 0x11000600 0 0x80>;
+			interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_LOW>,
+				     <GIC_SPI 46 IRQ_TYPE_LEVEL_LOW>,
+				     <GIC_SPI 47 IRQ_TYPE_LEVEL_LOW>,
+				     <GIC_SPI 48 IRQ_TYPE_LEVEL_LOW>,
+				     <GIC_SPI 51 IRQ_TYPE_LEVEL_LOW>,
+				     <GIC_SPI 52 IRQ_TYPE_LEVEL_LOW>;
+			dma-requests = <6>;
+			clocks = <&infracfg CLK_IFR_AP_DMA>;
+			clock-names = "apdma";
+			#dma-cells = <1>;
+		};
+
+		uart0: serial@11002000 {
+			compatible = "mediatek,mt8365-uart", "mediatek,mt6577-uart";
+			reg = <0 0x11002000 0 0x1000>;
+			interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&clk26m>, <&infracfg CLK_IFR_UART0>;
+			clock-names = "baud", "bus";
+			dmas = <&apdma 0>, <&apdma 1>;
+			dma-names = "tx", "rx";
+			status = "disabled";
+		};
+
+		uart1: serial@11003000 {
+			compatible = "mediatek,mt8365-uart", "mediatek,mt6577-uart";
+			reg = <0 0x11003000 0 0x1000>;
+			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&clk26m>, <&infracfg CLK_IFR_UART1>;
+			clock-names = "baud", "bus";
+			dmas = <&apdma 2>, <&apdma 3>;
+			dma-names = "tx", "rx";
+			status = "disabled";
+		};
+
+		uart2: serial@11004000 {
+			compatible = "mediatek,mt8365-uart", "mediatek,mt6577-uart";
+			reg = <0 0x11004000 0 0x1000>;
+			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&clk26m>, <&infracfg CLK_IFR_UART2>;
+			clock-names = "baud", "bus";
+			dmas = <&apdma 4>, <&apdma 5>;
+			dma-names = "tx", "rx";
+			status = "disabled";
+		};
+
+		pwm: pwm@11006000 {
+			compatible = "mediatek,mt8365-pwm";
+			reg = <0 0x11006000 0 0x1000>;
+			#pwm-cells = <2>;
+			interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&infracfg CLK_IFR_PWM_HCLK>,
+				 <&infracfg CLK_IFR_PWM>,
+				 <&infracfg CLK_IFR_PWM1>,
+				 <&infracfg CLK_IFR_PWM2>,
+				 <&infracfg CLK_IFR_PWM3>;
+			clock-names = "top", "main", "pwm1", "pwm2", "pwm3";
+		};
+
+		spi: spi@1100a000 {
+			compatible = "mediatek,mt8365-spi", "mediatek,mt7622-spi";
+			reg = <0 0x1100a000 0 0x100>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_LOW>;
+			clocks = <&topckgen CLK_TOP_UNIVPLL2_D4>,
+				 <&topckgen CLK_TOP_SPI_SEL>,
+				 <&infracfg CLK_IFR_SPI0>;
+			clock-names = "parent-clk", "sel-clk", "spi-clk";
+			status = "disabled";
+		};
+
+		ssusb: usb@11201000 {
+			compatible = "mediatek,mt8365-mtu3", "mediatek,mtu3";
+			reg = <0 0x11201000 0 0x2e00>, <0 0x11203e00 0 0x0100>;
+			reg-names = "mac", "ippc";
+			interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_LOW>;
+			phys = <&u2port0 PHY_TYPE_USB2>,
+			       <&u2port1 PHY_TYPE_USB2>;
+			clocks = <&topckgen CLK_TOP_SSUSB_TOP_CK_EN>,
+				 <&infracfg CLK_IFR_SSUSB_REF>,
+				 <&infracfg CLK_IFR_SSUSB_SYS>,
+				 <&infracfg CLK_IFR_ICUSB>;
+			clock-names = "sys_ck", "ref_ck", "mcu_ck", "dma_ck";
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
+			status = "disabled";
+
+			usb_host: usb@11200000 {
+				compatible = "mediatek,mt8365-xhci", "mediatek,mtk-xhci";
+				reg = <0 0x11200000 0 0x1000>;
+				reg-names = "mac";
+				interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_LOW>;
+				clocks = <&topckgen CLK_TOP_SSUSB_TOP_CK_EN>,
+					 <&infracfg CLK_IFR_SSUSB_REF>,
+					 <&infracfg CLK_IFR_SSUSB_SYS>,
+					 <&infracfg CLK_IFR_ICUSB>,
+					 <&infracfg CLK_IFR_SSUSB_XHCI>;
+				clock-names = "sys_ck", "ref_ck", "mcu_ck",
+					      "dma_ck", "xhci_ck";
+				status = "disabled";
+			};
+		};
+
+		u3phy: t-phy@11cc0000 {
+			compatible = "mediatek,mt8365-tphy", "mediatek,generic-tphy-v2";
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0 0x11cc0000 0x9000>;
+
+			u2port0: usb-phy@0 {
+				reg = <0x0 0x400>;
+				clocks = <&topckgen CLK_TOP_SSUSB_PHY_CK_EN>,
+					 <&topckgen CLK_TOP_USB20_48M_EN>;
+				clock-names = "ref", "da_ref";
+				#phy-cells = <1>;
+			};
+
+			u2port1: usb-phy@1000 {
+				reg = <0x1000 0x400>;
+				clocks = <&topckgen CLK_TOP_SSUSB_PHY_CK_EN>,
+					 <&topckgen CLK_TOP_USB20_48M_EN>;
+				clock-names = "ref", "da_ref";
+				#phy-cells = <1>;
+			};
+		};
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupt-parent = <&gic>;
+		interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
+			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
+	};
+
+	system_clk: dummy13m {
+		compatible = "fixed-clock";
+		clock-frequency = <13000000>;
+		#clock-cells = <0>;
+	};
+
+	systimer: timer@10017000 {
+		compatible = "mediatek,mt8365-systimer", "mediatek,mt6765-timer";
+		reg = <0 0x10017000 0 0x100>;
+		interrupts = <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&system_clk>;
+		clock-names = "clk13m";
+	};
+};