/*
* 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>;
};