ARM: dts: add support for Laird SOM60 module and DVK boards

This adds support for Lairds upcoming SOM module, featuring Marvell WiFi
and Bluetooth, 2Gb NAND / 1Gb LPDDR SDRAM, and an Atmel SAMA5D3 CPU.
Signed-off-by: Ben Whitten <ben.whitten@lairdtech.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

arch/arm/boot/dts/Makefile

@@ -51,6 +51,7 @@ dtb-$(CONFIG_SOC_SAM_V7) += \
 	at91-sama5d2_ptc_ek.dtb \
 	at91-sama5d2_xplained.dtb \
 	at91-sama5d3_xplained.dtb \
+	at91-dvk_som60.dtb \
 	at91-gatwick.dtb \
 	at91-tse850-3.dtb \
 	at91-wb50n.dtb \

arch/arm/boot/dts/at91-dvk_som60.dts

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * at91-dvk_som60.dts - Device Tree file for the DVK SOM60 board
+ *
+ *  Copyright (C) 2018 Laird,
+ *		  2018 Ben Whitten <ben.whitten@lairdtech.com>
+ *
+ */
+/dts-v1/;
+#include "at91-som60.dtsi"
+#include "at91-dvk_su60_somc.dtsi"
+#include "at91-dvk_su60_somc_lcm.dtsi"
+
+/ {
+	model = "Laird DVK SOM60";
+	compatible = "laird,dvk-som60", "laird,som60", "atmel,sama5d36", "atmel,sama5d3", "atmel,sama5";
+
+	chosen {
+		stdout-path = &dbgu;
+		tick-timer = &pit;
+	};
+};
+
+&mmc0 {
+	status = "okay";
+};
+
+&spi0 {
+	status = "okay";
+};
+
+&ssc0 {
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+};
+
+&i2c1 {
+	status = "okay";
+};
+
+&usart1 {
+	status = "okay";
+};
+
+&usart2 {
+	status = "okay";
+};
+
+&usart3 {
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&dbgu {
+	status = "okay";
+};
+
+&pit {
+	status = "okay";
+};
+
+&adc0 {
+	status = "okay";
+};
+
+&can1 {
+	status = "okay";
+};
+
+&macb0 {
+	status = "okay";
+};
+
+&macb1 {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+};
+
+&usb1 {
+	status = "okay";
+};
+
+&usb2 {
+	status = "okay";
+};
+

arch/arm/boot/dts/at91-dvk_su60_somc.dtsi

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * at91-dvk_su60_somc.dtsi - Device Tree file for the DVK SOM60 base board
+ *
+ *  Copyright (C) 2018 Laird,
+ *		  2018 Ben Whitten <ben.whitten@lairdtech.com>
+ *
+ */
+
+/ {
+	sound {
+		compatible = "atmel,asoc-wm8904";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_pck2_as_audio_mck>;
+
+		atmel,model = "wm8904 @ DVK-SOM60";
+		atmel,audio-routing =
+			"Headphone Jack", "HPOUTL",
+			"Headphone Jack", "HPOUTR",
+			"IN2L", "Line In Jack",
+			"IN2R", "Line In Jack",
+			"Mic", "MICBIAS",
+			"IN1L", "Mic";
+
+		atmel,ssc-controller = <&ssc0>;
+		atmel,audio-codec = <&wm8904>;
+
+		status = "okay";
+	};
+};
+
+&mmc0 {
+	status = "okay";
+
+	pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0 &pinctrl_mmc0_dat1_3 &pinctrl_mmc0_cd>;
+	slot@0 {
+		bus-width = <4>;
+		cd-gpios = <&pioE 31 GPIO_ACTIVE_HIGH>;
+		cd-inverted;
+	};
+};
+
+&spi0 {
+	status = "okay";
+
+	/* spi0.0: 4M Flash Macronix MX25R4035FM1IL0 */
+	spi-flash@0 {
+		compatible = "mxicy,mx25u4035", "jedec,spi-nor";
+		spi-max-frequency = <33000000>;
+		reg = <0>;
+	};
+};
+
+&ssc0 {
+	atmel,clk-from-rk-pin;
+	status = "okay";
+};
+
+&i2c0 {
+	status = "okay";
+
+	wm8904: wm8904@1a {
+		compatible = "wlf,wm8904";
+		reg = <0x1a>;
+		clocks = <&pck2>;
+		clock-names = "mclk";
+	};
+};
+
+&i2c1 {
+	status = "okay";
+
+	eeprom@87 {
+		compatible = "giantec,gt24c32a", "atmel,24c32";
+		reg = <87>;
+		pagesize = <32>;
+	};
+};
+
+&usart1 {
+	status = "okay";
+};
+
+&usart2 {
+	status = "okay";
+};
+
+&usart3 {
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&dbgu {
+	status = "okay";
+};
+
+&pit {
+	status = "okay";
+};
+
+&adc0 {
+	status = "okay";
+};
+
+&can1 {
+	status = "okay";
+};
+
+&macb0 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	ethernet-phy@7 {
+		reg = <7>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_geth_int>;
+		interrupt-parent = <&pioB>;
+		interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
+		txen-skew-ps = <800>;
+		txc-skew-ps = <3000>;
+		rxdv-skew-ps = <400>;
+		rxc-skew-ps = <3000>;
+		rxd0-skew-ps = <400>;
+		rxd1-skew-ps = <400>;
+		rxd2-skew-ps = <400>;
+		rxd3-skew-ps = <400>;
+	};
+};
+
+&macb1 {
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+
+	ethernet-phy@1 {
+		reg = <1>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_eth_int>;
+		interrupt-parent = <&pioC>;
+		interrupts = <10 IRQ_TYPE_EDGE_FALLING>;
+	};
+};
+
+&usb0 {
+	status = "okay";
+};
+
+&usb1 {
+	status = "okay";
+};
+
+&usb2 {
+	status = "okay";
+};
+

arch/arm/boot/dts/at91-dvk_su60_somc_lcm.dtsi

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * at91-dvk_su60_somc_lcm.dtsi - Device Tree file for the DVK SOM60 LCD board
+ *
+ *  Copyright (C) 2018 Laird,
+ *		  2018 Ben Whitten <ben.whitten@lairdtech.com>
+ *
+ */
+
+/ {
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&hlcdc_pwm 0 50000 0>;
+		brightness-levels = <0 4 8 16 32 64 128 255>;
+		default-brightness-level = <6>;
+		status = "okay";
+	};
+
+	panel: panel {
+		compatible = "winstar,wf70gtiagdng0", "innolux,at070tn92", "simple-panel";
+		backlight = <&backlight>;
+		power-supply = <&vcc_lcd_reg>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "okay";
+
+		port@0 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0>;
+
+			panel_input: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&hlcdc_panel_output>;
+			};
+		};
+	};
+
+	vcc_lcd_reg: fixedregulator_lcd {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC LCM";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+		regulator-always-on;
+		status = "okay";
+	};
+};
+
+&pinctrl {
+	board {
+		pinctrl_lcd_ctp_int: lcd_ctp_int {
+			 atmel,pins =
+				 <AT91_PIOC 28 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
+		};
+	};
+};
+
+&i2c1 {
+	status = "okay";
+
+	ft5426@56 {
+		compatible = "focaltech,ft5426", "edt,edt-ft5406";
+		reg = <56>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_lcd_ctp_int>;
+
+		interrupt-parent = <&pioC>;
+		interrupts = <28 IRQ_TYPE_EDGE_FALLING>;
+
+		touchscreen-size-x = <800>;
+		touchscreen-size-y = <480>;
+	};
+};
+
+&hlcdc {
+	status = "okay";
+
+	hlcdc-display-controller {
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>;
+
+		port@0 {
+			hlcdc_panel_output: endpoint@0 {
+				reg = <0>;
+				remote-endpoint = <&panel_input>;
+			};
+		};
+	};
+};

arch/arm/boot/dts/at91-som60.dtsi

+// SPDX-License-Identifier: GPL-2.0
+/*
+ * at91-som60.dtsi - Device Tree file for the SOM60 module
+ *
+ *  Copyright (C) 2018 Laird,
+ *		  2018 Ben Whitten <ben.whitten@lairdtech.com>
+ *
+ */
+#include "sama5d36.dtsi"
+
+/ {
+	model = "Laird SOM60";
+	compatible = "laird,som60", "atmel,sama5d36", "atmel,sama5d3", "atmel,sama5";
+
+	chosen {
+		stdout-path = &dbgu;
+	};
+
+	memory {
+		reg = <0x20000000 0x8000000>;
+	};
+
+	clocks {
+		slow_xtal {
+			clock-frequency = <32768>;
+		};
+
+		main_xtal {
+			clock-frequency = <12000000>;
+		};
+	};
+};
+
+&pinctrl {
+	board {
+		pinctrl_mmc0_cd: mmc0_cd {
+			atmel,pins =
+				<AT91_PIOE 31 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
+		};
+
+		pinctrl_mmc0_en: mmc0_en {
+			atmel,pins =
+				<AT91_PIOE 30 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+		};
+
+		pinctrl_nand0_wp: nand0_wp {
+			atmel,pins =
+				<AT91_PIOE 14 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
+		};
+
+		pinctrl_usb_vbus: usb_vbus {
+			atmel,pins =
+				<AT91_PIOE 20 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+				/* Conflicts with USART2_SCK */
+		};
+
+		pinctrl_usart2_sck: usart2_sck {
+			atmel,pins =
+				<AT91_PIOE 20 AT91_PERIPH_B AT91_PINCTRL_NONE>;
+				/* Conflicts with USB_VBUS */
+		};
+
+		pinctrl_usb_oc: usb_oc {
+			atmel,pins =
+				<AT91_PIOE 15 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
+				/* Conflicts with USART3_SCK */
+		};
+
+		pinctrl_usart3_sck: usart3_sck {
+			atmel,pins =
+				<AT91_PIOE 15 AT91_PERIPH_B AT91_PINCTRL_NONE>;
+				/* Conflicts with USB_OC */
+		};
+
+		pinctrl_usba_vbus: usba_vbus {
+		   atmel,pins =
+				<AT91_PIOC 14 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
+		};
+
+		pinctrl_geth_int: geth_int {
+			atmel,pins =
+				<AT91_PIOB 25 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
+				/* Conflicts with USART1_SCK */
+		};
+
+		pinctrl_usart1_sck: usart1_sck {
+			atmel,pins =
+				<AT91_PIOB 25 AT91_PERIPH_A AT91_PINCTRL_NONE>;
+				/* Conflicts with GETH_INT */
+		};
+
+		pinctrl_eth_int: eth_int {
+			atmel,pins =
+				<AT91_PIOC 10 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;
+		};
+
+		pinctrl_pck2_as_audio_mck: pck2_as_audio_mck {
+			atmel,pins =
+				<AT91_PIOC 15 AT91_PERIPH_B AT91_PINCTRL_NONE>;
+		};
+	};
+};
+
+&mmc0 {
+	slot@0 {
+		reg = <0>;
+		bus-width = <8>;
+	};
+};
+
+&mmc1 {
+	status = "okay";
+	slot@0 {
+		reg = <0>;
+		bus-width = <4>;
+	};
+};
+
+&spi0 {
+	cs-gpios = <&pioD 13 0>, <0>, <0>, <0>;
+};
+
+&usart0 {
+	atmel,use-dma-rx;
+	atmel,use-dma-tx;
+	status = "okay";
+	pinctrl-0 = <&pinctrl_usart0 &pinctrl_usart0_rts_cts>;
+};
+
+&usart1 {
+	pinctrl-0 = <&pinctrl_usart1 &pinctrl_usart1_rts_cts>;
+};
+
+&usart2 {
+	pinctrl-0 = <&pinctrl_usart2 &pinctrl_usart2_rts_cts>;
+};
+
+&usart3 {
+	pinctrl-0 = <&pinctrl_usart3 &pinctrl_usart3_rts_cts>;
+};
+
+&adc0 {
+	pinctrl-0 = <
+		&pinctrl_adc0_adtrg
+		&pinctrl_adc0_ad0
+		&pinctrl_adc0_ad1
+		&pinctrl_adc0_ad2
+		&pinctrl_adc0_ad3
+		&pinctrl_adc0_ad4
+		&pinctrl_adc0_ad5
+		>;
+};
+
+&macb0 {
+	phy-mode = "rgmii";
+};
+
+&macb1 {
+	phy-mode = "rmii";
+};
+
+&ebi {
+	pinctrl-0 = <&pinctrl_ebi_nand_addr>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&nand_controller {
+	status = "okay";
+
+	nand: nand@3 {
+		reg = <0x3 0x0 0x2>;
+		atmel,rb = <0>;
+		nand-bus-width = <8>;
+		nand-ecc-mode = "hw";
+		nand-ecc-strength = <8>;
+		nand-ecc-step-size = <512>;
+		nand-on-flash-bbt;
+		label = "atmel_nand";
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			ubootspl@0 {
+				label = "u-boot-spl";
+				reg = <0x0 0x20000>;
+			};
+
+			uboot@20000 {
+				label = "u-boot";
+				reg = <0x20000 0x80000>;
+			};
+
+			ubootenv@a0000 {
+				label = "u-boot-env";
+				reg = <0xa0000 0x20000>;
+			};
+
+			ubootenv@c0000 {
+				label = "u-boot-env";
+				reg = <0xc0000 0x20000>;
+			};
+
+			ubi@e0000 {
+				label = "ubi";
+				reg = <0xe0000 0xfe00000>;
+			};
+		};
+	};
+};
+
+&usb0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usba_vbus>;
+	atmel,vbus-gpio = <&pioC 14 GPIO_ACTIVE_HIGH>;
+};
+
+&usb1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb_vbus &pinctrl_usb_oc>;
+	num-ports = <3>;
+	atmel,vbus-gpio = <0
+		&pioE 20 GPIO_ACTIVE_HIGH
+		0>;
+	atmel,oc-gpio = <0
+		&pioE 15 GPIO_ACTIVE_LOW
+		0>;
+};