arch/arm/boot/dts/lpc4357-ea4357-devkit.dts

/*
 * Embedded Artist LPC4357 Developer's Kit
 *
 * Copyright 2015 Joachim Eastwood <manabian@gmail.com>
 *
 * This code is released using a dual license strategy: BSD/GPL
 * You can choose the licence that better fits your requirements.
 *
 * Released under the terms of 3-clause BSD License
 * Released under the terms of GNU General Public License Version 2.0
 *
 */
/dts-v1/;

#include "lpc18xx.dtsi"
#include "lpc4357.dtsi"

#include "dt-bindings/input/input.h"
#include "dt-bindings/gpio/gpio.h"

/ {
	model = "Embedded Artists' LPC4357 Developer's Kit";
	compatible = "ea,lpc4357-developers-kit", "nxp,lpc4357", "nxp,lpc4350";

	aliases {
		serial0 = &uart0;
		serial1 = &uart1;
		serial2 = &uart2;
		serial3 = &uart3;
	};

	chosen {
		stdout-path = &uart0;
	};

	memory {
		device_type = "memory";
		reg = <0x28000000 0x2000000>; /* 32 MB */
	};

	/* vmmc is controlled by sdmmc host internally */
	vmmc: vmmc_fixed {
		compatible = "regulator-fixed";
		regulator-name = "vmmc-supply";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
	};

	gpio_joystick {
		compatible = "gpio-keys-polled";
		pinctrl-names = "default";
		pinctrl-0 = <&gpio_joystick_pins>;
		#address-cells = <1>;
		#size-cells = <0>;
		poll-interval = <100>;
		autorepeat;

		button@0 {
			label = "joy_enter";
			linux,code = <KEY_ENTER>;
			gpios = <&gpio LPC_GPIO(4,8) GPIO_ACTIVE_LOW>;
		};

		button@1 {
			label = "joy_left";
			linux,code = <KEY_LEFT>;
			gpios = <&gpio LPC_GPIO(4,9) GPIO_ACTIVE_LOW>;
		};

		button@2 {
			label = "joy_up";
			linux,code = <KEY_UP>;
			gpios = <&gpio LPC_GPIO(4,10) GPIO_ACTIVE_LOW>;
		};

		button@3 {
			label = "joy_right";
			linux,code = <KEY_RIGHT>;
			gpios = <&gpio LPC_GPIO(4,12) GPIO_ACTIVE_LOW>;
		};

		button@4 {
			label = "joy_down";
			linux,code = <KEY_DOWN>;
			gpios = <&gpio LPC_GPIO(4,13) GPIO_ACTIVE_LOW>;
		};
	};

	leds_mmio {
		compatible = "gpio-leds";

		led1 {
			gpios = <&mmio_leds 15 GPIO_ACTIVE_HIGH>;
			linux,default-trigger = "heartbeat";
		};

		led2 {
			gpios = <&mmio_leds 14 GPIO_ACTIVE_HIGH>;
		};

		led3 {
			gpios = <&mmio_leds 13 GPIO_ACTIVE_HIGH>;
		};

		led4 {
			gpios = <&mmio_leds 12 GPIO_ACTIVE_HIGH>;
		};

		led5 {
			gpios = <&mmio_leds 11 GPIO_ACTIVE_HIGH>;
		};

		led6 {
			gpios = <&mmio_leds 10 GPIO_ACTIVE_HIGH>;
		};

		led7 {
			gpios = <&mmio_leds 9 GPIO_ACTIVE_HIGH>;
		};

		led8 {
			gpios = <&mmio_leds 8 GPIO_ACTIVE_HIGH>;
		};

		led9 {
			gpios = <&mmio_leds 7 GPIO_ACTIVE_HIGH>;
		};

		led10 {
			gpios = <&mmio_leds 6 GPIO_ACTIVE_HIGH>;
		};

		led11 {
			gpios = <&mmio_leds 5 GPIO_ACTIVE_HIGH>;
		};

		led12 {
			gpios = <&mmio_leds 4 GPIO_ACTIVE_HIGH>;
		};

		led13 {
			gpios = <&mmio_leds 3 GPIO_ACTIVE_HIGH>;
		};

		led14 {
			gpios = <&mmio_leds 2 GPIO_ACTIVE_HIGH>;
		};

		led15 {
			gpios = <&mmio_leds 1 GPIO_ACTIVE_HIGH>;
		};

		led16 {
			gpios = <&mmio_leds 0 GPIO_ACTIVE_HIGH>;
		};
	};
};

&pinctrl {
	emc_pins: emc-pins {
		emc_addr0_23_cfg {
			pins =	"p2_9",  "p2_10", "p2_11", "p2_12",
				"p2_13", "p1_0",  "p1_1",  "p1_2",
				"p2_8",  "p2_7",  "p2_6",  "p2_2",
				"p2_1",  "p2_0",  "p6_8",  "p6_7",
				"pd_16", "pd_15", "pe_0",  "pe_1",
				"pe_2",  "pe_3",  "pe_4",  "pa_4";
			function = "emc";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		emc_data0_31_cfg {
			pins =	"p1_7",  "p1_8",  "p1_9",  "p1_10",
				"p1_11", "p1_12", "p1_13", "p1_14",
				"p5_4",  "p5_5",  "p5_6",  "p5_7",
				"p5_0",  "p5_1",  "p5_2",  "p5_3",
				"pd_2",  "pd_3",  "pd_4",  "pd_5",
				"pd_6",  "pd_7",  "pd_8",  "pd_9",
				"pe_5",  "pe_6",  "pe_7",  "pe_8",
				"pe_9",  "pe_10", "pe_11", "pe_12";
			function = "emc";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		emc_we_oe_cfg {
			pins = "p1_6", "p1_3";
			function = "emc";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		emc_bls0_3_cfg {
			pins = "p1_4", "p6_6", "pd_13", "pd_10";
			function = "emc";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		emc_cs0_3_cfg {
			pins = "p1_5", "p6_3", "pd_12", "pd_11";
			function = "emc";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		emc_sdram_dqm0_3_cfg {
			pins = "p6_12", "p6_10", "pd_0", "pe_13";
			function = "emc";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		emc_sdram_ras_cas_cfg {
			pins = "p6_5", "p6_4";
			function = "emc";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		emc_sdram_dycs0_cfg {
			pins = "p6_9";
			function = "emc";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		emc_sdram_cke_cfg {
			pins = "p6_11";
			function = "emc";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		emc_sdram_clock_cfg {
			pins = "clk0", "clk1", "clk2", "clk3";
			function = "emc";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};
	};

	enet_rmii_pins: enet-rmii-pins {
		enet_rmii_rxd_cfg {
			pins = "p1_15", "p0_0";
			function = "enet";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		enet_rmii_txd_cfg {
			pins = "p1_18", "p1_20";
			function = "enet";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		enet_rmii_rx_dv_cfg {
			pins = "p1_16";
			function = "enet";
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		enet_rmii_tx_en_cfg {
			pins = "p0_1";
			function = "enet";
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		enet_ref_clk_cfg {
			pins = "p1_19";
			function = "enet";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		enet_mdio_cfg {
			pins = "p1_17";
			function = "enet";
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		enet_mdc_cfg {
			pins = "pc_1";
			function = "enet";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};
	};

	gpio_joystick_pins: gpio-joystick-pins {
		gpio_joystick_cfg {
			pins =	"p9_0", "p9_1", "pa_1", "pa_2", "pa_3";
			function = "gpio";
			input-enable;
			bias-disable;
		};
	};

	sdmmc_pins: sdmmc-pins {
		sdmmc_clk_cfg {
			pins = "pc_0";
			function = "sdmmc";
			slew-rate = <1>;
			bias-pull-down;
		};

		sdmmc_cmd_dat0_3_cfg {
			pins = "pc_4", "pc_5", "pc_6", "pc_7", "pc_10";
			function = "sdmmc";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		sdmmc_cd_cfg {
			pins = "pc_8";
			function = "sdmmc";
			bias-pull-down;
			input-enable;
		};

		sdmmc_pow_cfg {
			pins = "pc_9";
			function = "sdmmc";
			bias-pull-down;
		};
	};

	spifi_pins: spifi-pins {
		spifi_clk_cfg {
			pins = "p3_3";
			function = "spifi";
			slew-rate = <1>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		spifi_mosi_miso_sio2_3_cfg {
			pins = "p3_7", "p3_6", "p3_5", "p3_4";
			function = "spifi";
			slew-rate = <0>;
			bias-disable;
			input-enable;
			input-schmitt-disable;
		};

		spifi_cs_cfg {
			pins = "p3_8";
			function = "spifi";
			bias-disable;
		};
	};

	ssp0_pins: ssp0-pins {
		ssp0_sck_miso_mosi {
			pins = "pf_0", "pf_2", "pf_3";
			function = "ssp0";
			slew-rate = <1>;
			bias-pull-down;
			input-enable;
			input-schmitt-disable;
		};

		ssp0_ssel {
			pins = "pf_1";
			function = "ssp0";
			bias-pull-up;
		};
	};

	uart0_pins: uart0-pins {
		uart0_rx_cfg {
			pins = "pf_11";
			function = "uart0";
			input-schmitt-disable;
			bias-disable;
			input-enable;
		};

		uart0_tx_cfg {
			pins = "pf_10";
			function = "uart0";
			bias-pull-down;
		};
	};

	uart3_pins: uart3-pins {
		uart3_rx_cfg {
			pins = "p2_4";
			function = "uart3";
			input-schmitt-disable;
			bias-disable;
			input-enable;
		};

		uart3_tx_cfg {
			pins = "p9_3";
			function = "uart3";
			bias-pull-down;
		};
	};

	usb0_pins: usb0-pins {
		usb0_pwr_enable {
			pins = "p2_3";
			function = "usb0";
		};

		usb0_pwr_fault {
			pins = "p8_0";
			function = "usb0";
			bias-disable;
			input-enable;
		};
	};
};

&emc {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&emc_pins>;

	cs0 {
		#address-cells = <2>;
		#size-cells = <1>;
		ranges;

		mpmc,cs = <0>;
		mpmc,memory-width = <16>;
		mpmc,byte-lane-low;
		mpmc,write-enable-delay = <0>;
		mpmc,output-enable-delay = <0>;
		mpmc,read-access-delay = <70>;
		mpmc,page-mode-read-delay = <70>;

		flash@0,0 {
			compatible = "sst,sst39vf320", "cfi-flash";
			reg = <0 0 0x400000>;
			bank-width = <2>;
			#address-cells = <1>;
			#size-cells = <1>;

			partition@0 {
				label = "bootloader";
				reg = <0x000000 0x040000>; /* 256 KiB */
			};

			partition@1 {
				label = "kernel";
				reg = <0x040000 0x2c0000>; /* 2.75 MiB */
			};

			partition@2 {
				label = "rootfs";
				reg = <0x300000 0x100000>; /* 1 MiB */
			};
		};
	};

	cs2 {
		#address-cells = <2>;
		#size-cells = <1>;
		ranges;

		mpmc,cs = <2>;
		mpmc,memory-width = <16>;

		mmio_leds: gpio@2,0 {
			compatible = "ti,7416374";
			reg = <2 0 0x2>;
			gpio-controller;
			#gpio-cells = <2>;
		};

	};
};

&enet_tx_clk {
	clock-frequency = <50000000>;
};

&mac {
	status = "okay";
	phy-mode = "rmii";
	pinctrl-names = "default";
	pinctrl-0 = <&enet_rmii_pins>;
};

&mmcsd {
	status = "okay";
	bus-width = <4>;
	vmmc-supply = <&vmmc>;
	pinctrl-names = "default";
	pinctrl-0 = <&sdmmc_pins>;
};

&spifi {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&spifi_pins>;

	flash@0 {
		compatible = "jedec,spi-nor";
		spi-cpol;
		spi-cpha;
		spi-rx-bus-width = <4>;
		#address-cells = <1>;
		#size-cells = <1>;

		partition@0 {
			label = "data";
			reg = <0 0x200000>;
		};
	};
};

&ssp0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&ssp0_pins>;
	num-cs = <1>;
};

&uart0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&uart0_pins>;
};

&uart3 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&uart3_pins>;
};

&usb0 {
	status = "okay";
	pinctrl-names = "default";
	pinctrl-0 = <&usb0_pins>;
};