| /* |
| * 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 { |
| device_type = "memory"; |
| reg = <0x28000000 0x800000>; /* 8 MB */ |
| }; |
| |
| pca_buttons { |
| compatible = "gpio-keys-polled"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| poll-interval = <100>; |
| autorepeat; |
| |
| button@0 { |
| label = "joy:right"; |
| linux,code = <KEY_RIGHT>; |
| gpios = <&pca_gpio 8 GPIO_ACTIVE_LOW>; |
| }; |
| |
| button@1 { |
| label = "joy:up"; |
| linux,code = <KEY_UP>; |
| gpios = <&pca_gpio 9 GPIO_ACTIVE_LOW>; |
| }; |
| |
| |
| button@2 { |
| label = "joy:enter"; |
| linux,code = <KEY_ENTER>; |
| gpios = <&pca_gpio 10 GPIO_ACTIVE_LOW>; |
| }; |
| |
| button@3 { |
| label = "joy:left"; |
| linux,code = <KEY_LEFT>; |
| gpios = <&pca_gpio 11 GPIO_ACTIVE_LOW>; |
| }; |
| |
| button@4 { |
| label = "joy:down"; |
| linux,code = <KEY_DOWN>; |
| gpios = <&pca_gpio 12 GPIO_ACTIVE_LOW>; |
| }; |
| |
| button@5 { |
| label = "user:sw3"; |
| linux,code = <KEY_F1>; |
| gpios = <&pca_gpio 13 GPIO_ACTIVE_LOW>; |
| }; |
| |
| button@6 { |
| label = "user:sw4"; |
| linux,code = <KEY_F2>; |
| gpios = <&pca_gpio 14 GPIO_ACTIVE_LOW>; |
| }; |
| |
| button@7 { |
| 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>; |
| }; |
| }; |
| }; |
| |
| &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_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; |
| }; |
| }; |
| }; |
| |
| &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,jc42"; |
| reg = <0x18>; |
| }; |
| |
| eeprom@50 { |
| compatible = "nxp,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@0 { |
| 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>; |
| }; |
