0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * Device Tree for the ST Microelectronics Nomadik NHK8815 board
0004 */
0005
0006 /dts-v1/;
0007 #include <dt-bindings/interrupt-controller/irq.h>
0008 #include <dt-bindings/gpio/gpio.h>
0009 #include "ste-nomadik-stn8815.dtsi"
0010
0011 / {
0012 model = "Nomadik STN8815NHK";
0013 compatible = "st,nomadik-nhk-15";
0014
0015 chosen {
0016 bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
0017 };
0018
0019 aliases {
0020 serial0 = &uart0;
0021 serial1 = &uart1;
0022 stmpe-i2c0 = &stmpe0;
0023 stmpe-i2c1 = &stmpe1;
0024 };
0025
0026 pinctrl {
0027 uart0 {
0028 uart0_nhk_mode: uart0_mux {
0029 u0_default_mux {
0030 function = "u0";
0031 groups = "u0txrx_a_1", "u0ctsrts_a_1";
0032 };
0033 };
0034 };
0035
0036 stmpe2401_1 {
0037 stmpe2401_1_nhk_mode: stmpe2401_1_nhk {
0038 nhk_cfg1 {
0039 pins = "GPIO76_B20"; // IRQ line
0040 ste,input = <0>;
0041 };
0042 nhk_cfg2 {
0043 pins = "GPIO77_B8"; // reset line
0044 ste,output = <1>;
0045 };
0046 };
0047 };
0048 stmpe2401_2 {
0049 stmpe2401_2_nhk_mode: stmpe2401_2_nhk {
0050 nhk_cfg1 {
0051 pins = "GPIO78_A8"; // IRQ line
0052 ste,input = <0>;
0053 };
0054 nhk_cfg2 {
0055 pins = "GPIO79_C9"; // reset line
0056 ste,output = <1>;
0057 };
0058 };
0059 };
0060 lis3lv02dl {
0061 lis3lv02dl_nhk_mode: lis3lv02dl_nhk {
0062 nhk_cfg1 {
0063 pins = "GPIO82_C10"; // IRQ line
0064 ste,input = <0>;
0065 };
0066 };
0067 };
0068 };
0069 src@101e0000 {
0070 /* These chrystal outputs are not used on this board */
0071 disable-sxtalo;
0072 disable-mxtalo;
0073 };
0074
0075 /* This is where the interrupt is routed on the NHK-15 debug board */
0076 external-bus@34000000 {
0077 compatible = "simple-bus";
0078 reg = <0x34000000 0x1000000>;
0079 #address-cells = <1>;
0080 #size-cells = <1>;
0081 ranges = <0 0x34000000 0x1000000>;
0082 ethernet@300 {
0083 compatible = "smsc,lan91c111";
0084 reg = <0x300 0x0fd00>;
0085 reg-io-width = <2>;
0086 reset-gpios = <&stmpe_gpio44 10 GPIO_ACTIVE_HIGH>;
0087 interrupt-parent = <&stmpe_gpio44>;
0088 interrupts = <11 IRQ_TYPE_EDGE_RISING>;
0089 };
0090 };
0091
0092 i2c0 {
0093 lis3lv02dl@1d {
0094 /* Accelerometer */
0095 compatible = "st,lis3lv02dl-accel";
0096 interrupt-parent = <&gpio2>;
0097 interrupts = <18 IRQ_TYPE_EDGE_RISING>; // GPIO 82
0098 pinctrl-0 = <&lis3lv02dl_nhk_mode>;
0099 pinctrl-names = "default";
0100 reg = <0x1d>;
0101 };
0102 stmpe0: stmpe2401@43 {
0103 compatible = "st,stmpe2401";
0104 reg = <0x43>;
0105 reset-gpios = <&gpio2 13 GPIO_ACTIVE_LOW>; // GPIO77
0106 interrupts = <12 IRQ_TYPE_EDGE_FALLING>; // GPIO76
0107 interrupt-parent = <&gpio2>;
0108 interrupt-controller;
0109 wakeup-source;
0110 pinctrl-names = "default";
0111 pinctrl-0 = <&stmpe2401_1_nhk_mode>;
0112 stmpe_gpio43: stmpe_gpio {
0113 compatible = "st,stmpe-gpio";
0114 gpio-controller;
0115 #gpio-cells = <2>;
0116 interrupt-controller;
0117 #interrupt-cells = <2>;
0118 /* Some pins in alternate functions */
0119 st,norequest-mask = <0xf0f002>;
0120 };
0121 stmpe_keypad {
0122 compatible = "st,stmpe-keypad";
0123 debounce-interval = <64>;
0124 st,scan-count = <8>;
0125 st,no-autorepeat;
0126 keypad,num-rows = <8>;
0127 keypad,num-columns = <8>;
0128 linux,keymap = <0x00020072 // Vol down
0129 0x00030073 // Vol up
0130 0x0100009e // Back
0131 0x010100e3 // TV out
0132 0x01020098 // Lock
0133 0x0103013b // Start
0134 0x020000a3 // Next
0135 0x020100a4 // Play
0136 0x020200a5 // Prev
0137 0x02030160 // OK
0138 0x03000069 // Left
0139 0x0301006a // Right
0140 0x03020067 // Up
0141 0x0303006c>; // Down
0142 };
0143 stmpe0_pwm: stmpe_pwm {
0144 compatible = "st,stmpe-pwm";
0145 #pwm-cells = <2>;
0146 };
0147 };
0148 stmpe1: stmpe2401@44 {
0149 compatible = "st,stmpe2401";
0150 reg = <0x44>;
0151 reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>; // GPIO79
0152 interrupts = <14 IRQ_TYPE_EDGE_FALLING>; // GPIO78
0153 interrupt-parent = <&gpio2>;
0154 interrupt-controller;
0155 wakeup-source;
0156 pinctrl-names = "default";
0157 pinctrl-0 = <&stmpe2401_2_nhk_mode>;
0158 stmpe_gpio44: stmpe_gpio {
0159 compatible = "st,stmpe-gpio";
0160 gpio-controller;
0161 #gpio-cells = <2>;
0162 interrupt-controller;
0163 #interrupt-cells = <2>;
0164 /*
0165 * This will turn off SATA so that MMC/SD
0166 * can thrive
0167 */
0168 mmcsd-gpio {
0169 gpio-hog;
0170 gpios = <2 0x0>;
0171 output-low;
0172 line-name = "SATA EN";
0173 };
0174 };
0175 };
0176 };
0177
0178 amba {
0179 clcd@10120000 {
0180 status = "okay";
0181 pinctrl-names = "default";
0182 pinctrl-0 = <&clcd_24bit_mux>;
0183 port {
0184 nomadik_clcd: endpoint {
0185 remote-endpoint = <&nomadik_clcd_panel>;
0186 arm,pl11x,tft-r0g0b0-pads = <16 8 0>;
0187 };
0188 };
0189
0190 };
0191
0192 /* Activate RX/TX and CTS/RTS on UART 0 */
0193 uart0: uart@101fd000 {
0194 pinctrl-names = "default";
0195 pinctrl-0 = <&uart0_nhk_mode>;
0196 status = "okay";
0197 };
0198 mmcsd: mmc@101f6000 {
0199 cd-gpios = <&stmpe_gpio44 7 GPIO_ACTIVE_LOW>;
0200 wp-gpios = <&stmpe_gpio44 18 GPIO_ACTIVE_HIGH>;
0201 };
0202 };
0203
0204 spi {
0205 compatible = "spi-gpio";
0206 #address-cells = <1>;
0207 #size-cells = <0>;
0208
0209 /*
0210 * As we're dealing with 3wire SPI, we only define SCK
0211 * and MOSI (in the spec MOSI is called "SDA").
0212 */
0213 gpio-sck = <&gpio0 5 GPIO_ACTIVE_HIGH>;
0214 gpio-mosi = <&gpio0 4 GPIO_ACTIVE_HIGH>;
0215 cs-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
0216 num-chipselects = <1>;
0217
0218 /*
0219 * WVGA connector 21
0220 * WVGA (800x480): 4.3" TPG110 TDO43MTEA2 24-bit RGB
0221 * with TPO touch screen.
0222 */
0223 panel: display@0 {
0224 /*
0225 * The TPO display driver is connected to a
0226 * 5.7" OSD OSD057VA01CT TFT display.
0227 */
0228 compatible = "tpo,tpg110";
0229 reg = <0>;
0230 spi-3wire;
0231 /* 320 ns min period ~= 3 MHz */
0232 spi-max-frequency = <3000000>;
0233 /* Width and height from the OSD data sheet */
0234 width-mm = <116>;
0235 height-mm = <87>;
0236 grestb-gpios = <&stmpe_gpio44 5 GPIO_ACTIVE_LOW>;
0237 backlight = <&bl>;
0238
0239 port {
0240 nomadik_clcd_panel: endpoint {
0241 remote-endpoint = <&nomadik_clcd>;
0242 };
0243 };
0244 };
0245 };
0246
0247 bl: backlight {
0248 compatible = "pwm-backlight";
0249 pwms = <&stmpe0_pwm 0 500000>;
0250 pwm-names = "backlight";
0251 brightness-levels = <
0252 0 1 2 3 4 5 6 7 8 9
0253 10 11 12 13 14 15 16 17 18 19
0254 20 21 22 23 24 25 26 27 28 29
0255 30 31 32 33 34 35 36 37 38 39
0256 40 41 42 43 44 45 46 47 48 49
0257 50 51 52 53 54 55 56 57 58 59
0258 60 61 62 63 64 65 66 67 68 69
0259 70 71 72 73 74 75 76 77 78 79
0260 80 81 82 83 84 85 86 87 88 89
0261 90 91 92 93 94 95 96 97 98 99
0262 100
0263 >;
0264 default-brightness-level = <100>;
0265 };
0266 };
