| /* | 
 |  * Hitex LPC4350 Evaluation Board | 
 |  * | 
 |  * Copyright 2015 Ariel D'Alessandro <ariel.dalessandro@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 "lpc4350.dtsi" | 
 |  | 
 | #include "dt-bindings/input/input.h" | 
 | #include "dt-bindings/gpio/gpio.h" | 
 |  | 
 | / { | 
 | 	model = "Hitex LPC4350 Evaluation Board"; | 
 | 	compatible = "hitex,lpc4350-eval-board", "nxp,lpc4350"; | 
 |  | 
 | 	aliases { | 
 | 		serial0 = &uart0; | 
 | 		serial1 = &uart1; | 
 | 		serial2 = &uart2; | 
 | 		serial3 = &uart3; | 
 | 	}; | 
 |  | 
 | 	chosen { | 
 | 		stdout-path = &uart0; | 
 | 	}; | 
 |  | 
 | 	memory@28000000 { | 
 | 		device_type = "memory"; | 
 | 		reg = <0x28000000 0x800000>; /* 8 MB */ | 
 | 	}; | 
 |  | 
 | 	pca_buttons { | 
 | 		compatible = "gpio-keys-polled"; | 
 | 		poll-interval = <100>; | 
 | 		autorepeat; | 
 |  | 
 | 		button0 { | 
 | 			label = "joy:right"; | 
 | 			linux,code = <KEY_RIGHT>; | 
 | 			gpios = <&pca_gpio 8 GPIO_ACTIVE_LOW>; | 
 | 		}; | 
 |  | 
 | 		button1 { | 
 | 			label = "joy:up"; | 
 | 			linux,code = <KEY_UP>; | 
 | 			gpios = <&pca_gpio 9 GPIO_ACTIVE_LOW>; | 
 | 		}; | 
 |  | 
 |  | 
 | 		button2 { | 
 | 			label = "joy:enter"; | 
 | 			linux,code = <KEY_ENTER>; | 
 | 			gpios = <&pca_gpio 10 GPIO_ACTIVE_LOW>; | 
 | 		}; | 
 |  | 
 | 		button3 { | 
 | 			label = "joy:left"; | 
 | 			linux,code = <KEY_LEFT>; | 
 | 			gpios = <&pca_gpio 11 GPIO_ACTIVE_LOW>; | 
 | 		}; | 
 |  | 
 | 		button4 { | 
 | 			label = "joy:down"; | 
 | 			linux,code = <KEY_DOWN>; | 
 | 			gpios = <&pca_gpio 12 GPIO_ACTIVE_LOW>; | 
 | 		}; | 
 |  | 
 | 		button5 { | 
 | 			label = "user:sw3"; | 
 | 			linux,code = <KEY_F1>; | 
 | 			gpios = <&pca_gpio 13 GPIO_ACTIVE_LOW>; | 
 | 		}; | 
 |  | 
 | 		button6 { | 
 | 			label = "user:sw4"; | 
 | 			linux,code = <KEY_F2>; | 
 | 			gpios = <&pca_gpio 14 GPIO_ACTIVE_LOW>; | 
 | 		}; | 
 |  | 
 | 		button7 { | 
 | 			label = "user:sw5"; | 
 | 			linux,code = <KEY_F3>; | 
 | 			gpios = <&pca_gpio 15 GPIO_ACTIVE_LOW>; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	pca_leds { | 
 | 		compatible = "gpio-leds"; | 
 |  | 
 | 		led0 { | 
 | 			label = "ext:led0"; | 
 | 			gpios = <&pca_gpio 0 GPIO_ACTIVE_LOW>; | 
 | 			linux,default-trigger = "heartbeat"; | 
 | 		}; | 
 |  | 
 | 		led1 { | 
 | 			label = "ext:led1"; | 
 | 			gpios = <&pca_gpio 1 GPIO_ACTIVE_LOW>; | 
 | 		}; | 
 |  | 
 | 		led2 { | 
 | 			label = "ext:led2"; | 
 | 			gpios = <&pca_gpio 2 GPIO_ACTIVE_LOW>; | 
 | 		}; | 
 |  | 
 | 		led3 { | 
 | 			label = "ext:led3"; | 
 | 			gpios = <&pca_gpio 3 GPIO_ACTIVE_LOW>; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	vcc: vcc_fixed { | 
 | 		compatible = "regulator-fixed"; | 
 | 		regulator-name = "3v3io"; | 
 | 		regulator-min-microvolt = <3300000>; | 
 | 		regulator-max-microvolt = <3300000>; | 
 | 	}; | 
 | }; | 
 |  | 
 | &pinctrl { | 
 | 	adc1_pins: adc1-pins { | 
 | 		adc1_pins_cfg { | 
 | 			pins = "pf_9"; | 
 | 			function = "adc"; | 
 | 			input-disable; | 
 | 			bias-disable; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	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_15_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"; | 
 | 			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_cs2_cfg { | 
 | 			pins = "p1_5", "pd_12"; | 
 | 			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_mii_pins: enet-mii-pins { | 
 | 		enet_mii_rxd0_3_cfg { | 
 | 			pins = "p1_15", "p0_0", "p9_3", "p9_2"; | 
 | 			function = "enet"; | 
 | 			bias-disable; | 
 | 			input-enable; | 
 | 		}; | 
 |  | 
 | 		enet_mii_txd0_3_cfg { | 
 | 			pins = "p1_18", "p1_20", "p9_4", "p9_5"; | 
 | 			function = "enet"; | 
 | 			bias-disable; | 
 | 		}; | 
 |  | 
 | 		enet_mii_crs_col_cfg { | 
 | 			pins = "p9_0", "p9_6"; | 
 | 			function = "enet"; | 
 | 			bias-disable; | 
 | 			input-enable; | 
 | 		}; | 
 |  | 
 | 		enet_mii_rx_clk_dv_er_cfg { | 
 | 			pins = "pc_0", "p1_16", "p9_1"; | 
 | 			function = "enet"; | 
 | 			bias-disable; | 
 | 			input-enable; | 
 | 		}; | 
 |  | 
 | 		enet_mii_tx_clk_en_cfg { | 
 | 			pins = "p1_19", "p0_1"; | 
 | 			function = "enet"; | 
 | 			bias-disable; | 
 | 			input-enable; | 
 | 		}; | 
 |  | 
 | 		enet_mdio_cfg { | 
 | 			pins = "p1_17"; | 
 | 			function = "enet"; | 
 | 			bias-disable; | 
 | 			input-enable; | 
 | 		}; | 
 |  | 
 | 		enet_mdc_cfg { | 
 | 			pins = "pc_1"; | 
 | 			function = "enet"; | 
 | 			bias-disable; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	i2c0_pins: i2c0-pins { | 
 | 		i2c0_pins_cfg { | 
 | 			pins = "i2c0_scl", "i2c0_sda"; | 
 | 			function = "i2c0"; | 
 | 			input-enable; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	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 = <1>; | 
 | 			bias-disable; | 
 | 			input-enable; | 
 | 			input-schmitt-disable; | 
 | 		}; | 
 |  | 
 | 		spifi_cs_cfg { | 
 | 			pins = "p3_8"; | 
 | 			function = "spifi"; | 
 | 			slew-rate = <1>; | 
 | 			bias-disable; | 
 | 			input-enable; | 
 | 			input-schmitt-disable; | 
 | 		}; | 
 | 	}; | 
 |  | 
 | 	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; | 
 | 		}; | 
 | 	}; | 
 | }; | 
 |  | 
 | &adc1 { | 
 | 	status = "okay"; | 
 | 	vref-supply = <&vcc>; | 
 | 	pinctrl-names = "default"; | 
 | 	pinctrl-0 = <&adc1_pins>; | 
 | }; | 
 |  | 
 | &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>; | 
 | 		mpmc,byte-lane-low; | 
 | 		mpmc,write-enable-delay = <0>; | 
 | 		mpmc,output-enable-delay = <30>; | 
 | 		mpmc,read-access-delay = <90>; | 
 | 		mpmc,page-mode-read-delay = <55>; | 
 | 		mpmc,write-access-delay = <55>; | 
 | 		mpmc,turn-round-delay = <55>; | 
 |  | 
 | 		ext_sram: sram@2,0 { | 
 | 			compatible = "mmio-sram"; | 
 | 			reg = <2 0 0x80000>; /* 512 KiB SRAM on IS62WV25616 */ | 
 | 		}; | 
 | 	}; | 
 | }; | 
 |  | 
 | &enet_tx_clk { | 
 | 	clock-frequency = <25000000>; | 
 | }; | 
 |  | 
 | &i2c0 { | 
 | 	status = "okay"; | 
 | 	pinctrl-names = "default"; | 
 | 	pinctrl-0 = <&i2c0_pins>; | 
 | 	clock-frequency = <400000>; | 
 |  | 
 | 	/* NXP SE97BTP with temperature sensor + eeprom */ | 
 | 	sensor@18 { | 
 | 		compatible = "nxp,se97", "jedec,jc-42.4-temp"; | 
 | 		reg = <0x18>; | 
 | 	}; | 
 |  | 
 | 	eeprom@50 { | 
 | 		compatible = "nxp,24c02", "atmel,24c02"; | 
 | 		reg = <0x50>; | 
 | 	}; | 
 |  | 
 | 	pca_gpio: gpio@24 { | 
 | 		compatible = "nxp,pca9673"; | 
 | 		reg = <0x24>; | 
 | 		gpio-controller; | 
 | 		#gpio-cells = <2>; | 
 | 	}; | 
 | }; | 
 |  | 
 | &mac { | 
 | 	status = "okay"; | 
 | 	phy-mode = "mii"; | 
 | 	pinctrl-names = "default"; | 
 | 	pinctrl-0 = <&enet_mii_pins>; | 
 | }; | 
 |  | 
 | &spifi { | 
 | 	status = "okay"; | 
 | 	pinctrl-names = "default"; | 
 | 	pinctrl-0 = <&spifi_pins>; | 
 |  | 
 | 	flash { | 
 | 		compatible = "jedec,spi-nor"; | 
 | 		spi-rx-bus-width = <4>; | 
 | 		#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 0x500000>; /* 5 MiB */ | 
 | 		}; | 
 | 	}; | 
 | }; | 
 |  | 
 | &uart0 { | 
 | 	status = "okay"; | 
 | 	pinctrl-names = "default"; | 
 | 	pinctrl-0 = <&uart0_pins>; | 
 | }; |