484 lines
8.5 KiB
Plaintext
484 lines
8.5 KiB
Plaintext
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/*
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* Hitex LPC4350 Evaluation Board
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*
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* Copyright 2015 Ariel D'Alessandro <ariel.dalessandro@gmail.com>
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*
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* This code is released using a dual license strategy: BSD/GPL
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* You can choose the licence that better fits your requirements.
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*
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* Released under the terms of 3-clause BSD License
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* Released under the terms of GNU General Public License Version 2.0
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*
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*/
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/dts-v1/;
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#include "lpc18xx.dtsi"
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#include "lpc4350.dtsi"
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#include "dt-bindings/input/input.h"
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#include "dt-bindings/gpio/gpio.h"
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/ {
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model = "Hitex LPC4350 Evaluation Board";
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compatible = "hitex,lpc4350-eval-board", "nxp,lpc4350";
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aliases {
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serial0 = &uart0;
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serial1 = &uart1;
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serial2 = &uart2;
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serial3 = &uart3;
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};
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chosen {
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stdout-path = &uart0;
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};
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memory@28000000 {
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device_type = "memory";
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reg = <0x28000000 0x800000>; /* 8 MB */
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};
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pca_buttons {
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compatible = "gpio-keys-polled";
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#address-cells = <1>;
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#size-cells = <0>;
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poll-interval = <100>;
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autorepeat;
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button0 {
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label = "joy:right";
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linux,code = <KEY_RIGHT>;
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gpios = <&pca_gpio 8 GPIO_ACTIVE_LOW>;
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};
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button1 {
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label = "joy:up";
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linux,code = <KEY_UP>;
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gpios = <&pca_gpio 9 GPIO_ACTIVE_LOW>;
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};
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button2 {
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label = "joy:enter";
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linux,code = <KEY_ENTER>;
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gpios = <&pca_gpio 10 GPIO_ACTIVE_LOW>;
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};
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button3 {
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label = "joy:left";
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linux,code = <KEY_LEFT>;
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gpios = <&pca_gpio 11 GPIO_ACTIVE_LOW>;
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};
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button4 {
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label = "joy:down";
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linux,code = <KEY_DOWN>;
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gpios = <&pca_gpio 12 GPIO_ACTIVE_LOW>;
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};
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button5 {
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label = "user:sw3";
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linux,code = <KEY_F1>;
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gpios = <&pca_gpio 13 GPIO_ACTIVE_LOW>;
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};
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button6 {
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label = "user:sw4";
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linux,code = <KEY_F2>;
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gpios = <&pca_gpio 14 GPIO_ACTIVE_LOW>;
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};
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button7 {
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label = "user:sw5";
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linux,code = <KEY_F3>;
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gpios = <&pca_gpio 15 GPIO_ACTIVE_LOW>;
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};
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};
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pca_leds {
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compatible = "gpio-leds";
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led0 {
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label = "ext:led0";
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gpios = <&pca_gpio 0 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "heartbeat";
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};
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led1 {
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label = "ext:led1";
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gpios = <&pca_gpio 1 GPIO_ACTIVE_LOW>;
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};
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led2 {
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label = "ext:led2";
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gpios = <&pca_gpio 2 GPIO_ACTIVE_LOW>;
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};
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led3 {
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label = "ext:led3";
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gpios = <&pca_gpio 3 GPIO_ACTIVE_LOW>;
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};
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};
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vcc: vcc_fixed {
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compatible = "regulator-fixed";
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regulator-name = "3v3io";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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};
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&pinctrl {
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adc1_pins: adc1-pins {
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adc1_pins_cfg {
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pins = "pf_9";
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function = "adc";
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input-disable;
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bias-disable;
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};
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};
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emc_pins: emc-pins {
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emc_addr0_23_cfg {
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pins = "p2_9", "p2_10", "p2_11", "p2_12",
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"p2_13", "p1_0", "p1_1", "p1_2",
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"p2_8", "p2_7", "p2_6", "p2_2",
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"p2_1", "p2_0", "p6_8", "p6_7",
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"pd_16", "pd_15", "pe_0", "pe_1",
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"pe_2", "pe_3", "pe_4", "pa_4";
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function = "emc";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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emc_data0_15_cfg {
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pins = "p1_7", "p1_8", "p1_9", "p1_10",
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"p1_11", "p1_12", "p1_13", "p1_14",
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"p5_4", "p5_5", "p5_6", "p5_7",
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"p5_0", "p5_1", "p5_2", "p5_3";
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function = "emc";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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emc_we_oe_cfg {
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pins = "p1_6", "p1_3";
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function = "emc";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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emc_bls0_3_cfg {
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pins = "p1_4", "p6_6", "pd_13", "pd_10";
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function = "emc";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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emc_cs0_cs2_cfg {
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pins = "p1_5", "pd_12";
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function = "emc";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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emc_sdram_dqm0_3_cfg {
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pins = "p6_12", "p6_10", "pd_0", "pe_13";
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function = "emc";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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emc_sdram_ras_cas_cfg {
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pins = "p6_5", "p6_4";
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function = "emc";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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emc_sdram_dycs0_cfg {
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pins = "p6_9";
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function = "emc";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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emc_sdram_cke_cfg {
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pins = "p6_11";
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function = "emc";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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emc_sdram_clock_cfg {
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pins = "clk0", "clk1", "clk2", "clk3";
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function = "emc";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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};
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enet_mii_pins: enet-mii-pins {
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enet_mii_rxd0_3_cfg {
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pins = "p1_15", "p0_0", "p9_3", "p9_2";
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function = "enet";
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bias-disable;
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input-enable;
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};
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enet_mii_txd0_3_cfg {
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pins = "p1_18", "p1_20", "p9_4", "p9_5";
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function = "enet";
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bias-disable;
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};
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enet_mii_crs_col_cfg {
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pins = "p9_0", "p9_6";
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function = "enet";
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bias-disable;
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input-enable;
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};
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enet_mii_rx_clk_dv_er_cfg {
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pins = "pc_0", "p1_16", "p9_1";
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function = "enet";
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bias-disable;
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input-enable;
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};
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enet_mii_tx_clk_en_cfg {
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pins = "p1_19", "p0_1";
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function = "enet";
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bias-disable;
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input-enable;
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};
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enet_mdio_cfg {
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pins = "p1_17";
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function = "enet";
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bias-disable;
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input-enable;
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};
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enet_mdc_cfg {
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pins = "pc_1";
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function = "enet";
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bias-disable;
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};
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};
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i2c0_pins: i2c0-pins {
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i2c0_pins_cfg {
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pins = "i2c0_scl", "i2c0_sda";
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function = "i2c0";
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input-enable;
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};
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};
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spifi_pins: spifi-pins {
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spifi_clk_cfg {
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pins = "p3_3";
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function = "spifi";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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spifi_mosi_miso_sio2_3_cfg {
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pins = "p3_7", "p3_6", "p3_5", "p3_4";
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function = "spifi";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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spifi_cs_cfg {
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pins = "p3_8";
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function = "spifi";
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slew-rate = <1>;
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bias-disable;
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input-enable;
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input-schmitt-disable;
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};
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};
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uart0_pins: uart0-pins {
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uart0_rx_cfg {
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pins = "pf_11";
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function = "uart0";
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input-schmitt-disable;
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bias-disable;
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input-enable;
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};
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uart0_tx_cfg {
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pins = "pf_10";
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function = "uart0";
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bias-pull-down;
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};
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};
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};
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&adc1 {
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status = "okay";
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vref-supply = <&vcc>;
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pinctrl-names = "default";
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pinctrl-0 = <&adc1_pins>;
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};
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&emc {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&emc_pins>;
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cs0 {
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#address-cells = <2>;
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#size-cells = <1>;
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ranges;
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mpmc,cs = <0>;
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mpmc,memory-width = <16>;
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mpmc,byte-lane-low;
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mpmc,write-enable-delay = <0>;
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mpmc,output-enable-delay = <0>;
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mpmc,read-access-delay = <70>;
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mpmc,page-mode-read-delay = <70>;
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flash@0,0 {
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compatible = "sst,sst39vf320", "cfi-flash";
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reg = <0 0 0x400000>;
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bank-width = <2>;
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "bootloader";
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reg = <0x000000 0x040000>; /* 256 KiB */
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};
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partition@1 {
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label = "kernel";
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reg = <0x040000 0x2C0000>; /* 2.75 MiB */
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};
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partition@2 {
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label = "rootfs";
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reg = <0x300000 0x100000>; /* 1 MiB */
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};
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};
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};
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cs2 {
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#address-cells = <2>;
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#size-cells = <1>;
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ranges;
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mpmc,cs = <2>;
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mpmc,memory-width = <16>;
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mpmc,byte-lane-low;
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mpmc,write-enable-delay = <0>;
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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";
|
||
|
|
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>;
|
||
|
|
};
|