0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * Samsung's S3C6410 based Mini6410 board device tree source
0004 *
0005 * Copyright (c) 2013 Tomasz Figa <tomasz.figa@gmail.com>
0006 *
0007 * Device tree source file for FriendlyARM Mini6410 board which is based on
0008 * Samsung's S3C6410 SoC.
0009 */
0010
0011 /dts-v1/;
0012
0013 #include <dt-bindings/gpio/gpio.h>
0014 #include <dt-bindings/interrupt-controller/irq.h>
0015
0016 #include "s3c6410.dtsi"
0017
0018 / {
0019 model = "FriendlyARM Mini6410 board based on S3C6410";
0020 compatible = "friendlyarm,mini6410", "samsung,s3c6410";
0021
0022 memory@50000000 {
0023 device_type = "memory";
0024 reg = <0x50000000 0x10000000>;
0025 };
0026
0027 chosen {
0028 bootargs = "console=ttySAC0,115200n8 earlyprintk rootwait root=/dev/mmcblk0p1";
0029 };
0030
0031 fin_pll: oscillator-0 {
0032 compatible = "fixed-clock";
0033 clock-frequency = <12000000>;
0034 clock-output-names = "fin_pll";
0035 #clock-cells = <0>;
0036 };
0037
0038 xusbxti: oscillator-1 {
0039 compatible = "fixed-clock";
0040 clock-output-names = "xusbxti";
0041 clock-frequency = <48000000>;
0042 #clock-cells = <0>;
0043 };
0044
0045 srom-cs1-bus@18000000 {
0046 compatible = "simple-bus";
0047 #address-cells = <1>;
0048 #size-cells = <1>;
0049 reg = <0x18000000 0x8000000>;
0050 ranges;
0051
0052 ethernet@18000000 {
0053 compatible = "davicom,dm9000";
0054 reg = <0x18000000 0x2 0x18000004 0x2>;
0055 interrupt-parent = <&gpn>;
0056 interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
0057 davicom,no-eeprom;
0058 };
0059 };
0060
0061 gpio-keys {
0062 compatible = "gpio-keys";
0063 pinctrl-names = "default";
0064 pinctrl-0 = <&gpio_keys>;
0065 autorepeat;
0066
0067 button-k1 {
0068 label = "K1";
0069 gpios = <&gpn 0 GPIO_ACTIVE_LOW>;
0070 linux,code = <2>;
0071 debounce-interval = <20>;
0072 };
0073
0074 button-k2 {
0075 label = "K2";
0076 gpios = <&gpn 1 GPIO_ACTIVE_LOW>;
0077 linux,code = <3>;
0078 debounce-interval = <20>;
0079 };
0080
0081 button-k3 {
0082 label = "K3";
0083 gpios = <&gpn 2 GPIO_ACTIVE_LOW>;
0084 linux,code = <4>;
0085 debounce-interval = <20>;
0086 };
0087
0088 button-k4 {
0089 label = "K4";
0090 gpios = <&gpn 3 GPIO_ACTIVE_LOW>;
0091 linux,code = <5>;
0092 debounce-interval = <20>;
0093 };
0094
0095 button-k5 {
0096 label = "K5";
0097 gpios = <&gpn 4 GPIO_ACTIVE_LOW>;
0098 linux,code = <6>;
0099 debounce-interval = <20>;
0100 };
0101
0102 button-k6 {
0103 label = "K6";
0104 gpios = <&gpn 5 GPIO_ACTIVE_LOW>;
0105 linux,code = <7>;
0106 debounce-interval = <20>;
0107 };
0108
0109 button-k7 {
0110 label = "K7";
0111 gpios = <&gpl 11 GPIO_ACTIVE_LOW>;
0112 linux,code = <8>;
0113 debounce-interval = <20>;
0114 };
0115
0116 button-k8 {
0117 label = "K8";
0118 gpios = <&gpl 12 GPIO_ACTIVE_LOW>;
0119 linux,code = <9>;
0120 debounce-interval = <20>;
0121 };
0122 };
0123
0124 leds {
0125 compatible = "gpio-leds";
0126 pinctrl-names = "default";
0127 pinctrl-0 = <&gpio_leds>;
0128
0129 led-1 {
0130 label = "LED1";
0131 gpios = <&gpk 4 GPIO_ACTIVE_LOW>;
0132 linux,default-trigger = "heartbeat";
0133 };
0134
0135 led-2 {
0136 label = "LED2";
0137 gpios = <&gpk 5 GPIO_ACTIVE_LOW>;
0138 linux,default-trigger = "mmc0";
0139 };
0140
0141 led-3 {
0142 label = "LED3";
0143 gpios = <&gpk 6 GPIO_ACTIVE_LOW>;
0144 };
0145
0146 led-4 {
0147 label = "LED4";
0148 gpios = <&gpk 7 GPIO_ACTIVE_LOW>;
0149 };
0150 };
0151
0152 buzzer {
0153 compatible = "pwm-beeper";
0154 pwms = <&pwm 0 1000000 0>;
0155 pinctrl-names = "default";
0156 pinctrl-0 = <&pwm0_out>;
0157 };
0158 };
0159
0160 &clocks {
0161 clocks = <&fin_pll>;
0162 };
0163
0164 &sdhci0 {
0165 pinctrl-names = "default";
0166 pinctrl-0 = <&sd0_clk>, <&sd0_cmd>, <&sd0_cd>, <&sd0_bus4>;
0167 bus-width = <4>;
0168 status = "okay";
0169 };
0170
0171 &uart0 {
0172 pinctrl-names = "default";
0173 pinctrl-0 = <&uart0_data>;
0174 status = "okay";
0175 };
0176
0177 &uart1 {
0178 pinctrl-names = "default";
0179 pinctrl-0 = <&uart1_data>, <&uart1_fctl>;
0180 status = "okay";
0181 };
0182
0183 &uart2 {
0184 pinctrl-names = "default";
0185 pinctrl-0 = <&uart2_data>;
0186 status = "okay";
0187 };
0188
0189 &uart3 {
0190 pinctrl-names = "default";
0191 pinctrl-0 = <&uart3_data>;
0192 status = "okay";
0193 };
0194
0195 &pinctrl0 {
0196 gpio_leds: gpio-leds-pins {
0197 samsung,pins = "gpk-4", "gpk-5", "gpk-6", "gpk-7";
0198 samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>;
0199 };
0200
0201 gpio_keys: gpio-keys-pins {
0202 samsung,pins = "gpn-0", "gpn-1", "gpn-2", "gpn-3",
0203 "gpn-4", "gpn-5", "gpl-11", "gpl-12";
0204 samsung,pin-pud = <S3C64XX_PIN_PULL_NONE>;
0205 };
0206 };
0207
0208 &i2c0 {
0209 pinctrl-names = "default";
0210 pinctrl-0 = <&i2c0_bus>;
0211 status = "okay";
0212
0213 eeprom@50 {
0214 compatible = "atmel,24c08";
0215 reg = <0x50>;
0216 pagesize = <16>;
0217 };
0218 };