// SPDX-License-Identifier: GPL-2.0 /* * Device Tree for the ST Microelectronics Nomadik NHK8815 board */ /dts-v1/; #include #include #include "ste-nomadik-stn8815.dtsi" / { model = "Nomadik STN8815NHK"; compatible = "st,nomadik-nhk-15"; chosen { bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk"; }; aliases { serial0 = &uart0; serial1 = &uart1; stmpe-i2c0 = &stmpe0; stmpe-i2c1 = &stmpe1; }; pinctrl { uart0 { uart0_nhk_mode: uart0_mux { u0_default_mux { function = "u0"; groups = "u0txrx_a_1", "u0ctsrts_a_1"; }; }; }; stmpe2401_1 { stmpe2401_1_nhk_mode: stmpe2401_1_nhk { nhk_cfg1 { pins = "GPIO76_B20"; // IRQ line ste,input = <0>; }; nhk_cfg2 { pins = "GPIO77_B8"; // reset line ste,output = <1>; }; }; }; stmpe2401_2 { stmpe2401_2_nhk_mode: stmpe2401_2_nhk { nhk_cfg1 { pins = "GPIO78_A8"; // IRQ line ste,input = <0>; }; nhk_cfg2 { pins = "GPIO79_C9"; // reset line ste,output = <1>; }; }; }; lis3lv02dl { lis3lv02dl_nhk_mode: lis3lv02dl_nhk { nhk_cfg1 { pins = "GPIO82_C10"; // IRQ line ste,input = <0>; }; }; }; }; src@101e0000 { /* These chrystal outputs are not used on this board */ disable-sxtalo; disable-mxtalo; }; /* This is where the interrupt is routed on the NHK-15 debug board */ external-bus@34000000 { compatible = "simple-bus"; reg = <0x34000000 0x1000000>; #address-cells = <1>; #size-cells = <1>; ranges = <0 0x34000000 0x1000000>; ethernet@300 { compatible = "smsc,lan91c111"; reg = <0x300 0x0fd00>; reg-io-width = <2>; reset-gpios = <&stmpe_gpio44 10 GPIO_ACTIVE_HIGH>; interrupt-parent = <&stmpe_gpio44>; interrupts = <11 IRQ_TYPE_EDGE_RISING>; }; }; i2c0 { lis3lv02dl@1d { /* Accelerometer */ compatible = "st,lis3lv02dl-accel"; interrupt-parent = <&gpio2>; interrupts = <18 IRQ_TYPE_EDGE_RISING>; // GPIO 82 pinctrl-0 = <&lis3lv02dl_nhk_mode>; pinctrl-names = "default"; reg = <0x1d>; }; stmpe0: stmpe2401@43 { compatible = "st,stmpe2401"; reg = <0x43>; reset-gpios = <&gpio2 13 GPIO_ACTIVE_LOW>; // GPIO77 interrupts = <12 IRQ_TYPE_EDGE_FALLING>; // GPIO76 interrupt-parent = <&gpio2>; interrupt-controller; wakeup-source; pinctrl-names = "default"; pinctrl-0 = <&stmpe2401_1_nhk_mode>; stmpe_gpio43: stmpe_gpio { compatible = "st,stmpe-gpio"; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; /* Some pins in alternate functions */ st,norequest-mask = <0xf0f002>; }; stmpe_keypad { compatible = "st,stmpe-keypad"; debounce-interval = <64>; st,scan-count = <8>; st,no-autorepeat; keypad,num-rows = <8>; keypad,num-columns = <8>; linux,keymap = <0x00020072 // Vol down 0x00030073 // Vol up 0x0100009e // Back 0x010100e3 // TV out 0x01020098 // Lock 0x0103013b // Start 0x020000a3 // Next 0x020100a4 // Play 0x020200a5 // Prev 0x02030160 // OK 0x03000069 // Left 0x0301006a // Right 0x03020067 // Up 0x0303006c>; // Down }; stmpe0_pwm: stmpe_pwm { compatible = "st,stmpe-pwm"; #pwm-cells = <2>; }; }; stmpe1: stmpe2401@44 { compatible = "st,stmpe2401"; reg = <0x44>; reset-gpios = <&gpio2 15 GPIO_ACTIVE_LOW>; // GPIO79 interrupts = <14 IRQ_TYPE_EDGE_FALLING>; // GPIO78 interrupt-parent = <&gpio2>; interrupt-controller; wakeup-source; pinctrl-names = "default"; pinctrl-0 = <&stmpe2401_2_nhk_mode>; stmpe_gpio44: stmpe_gpio { compatible = "st,stmpe-gpio"; gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; /* * This will turn off SATA so that MMC/SD * can thrive */ mmcsd-gpio { gpio-hog; gpios = <2 0x0>; output-low; line-name = "SATA EN"; }; }; }; }; amba { clcd@10120000 { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&clcd_24bit_mux>; port { nomadik_clcd: endpoint { remote-endpoint = <&nomadik_clcd_panel>; arm,pl11x,tft-r0g0b0-pads = <16 8 0>; }; }; }; /* Activate RX/TX and CTS/RTS on UART 0 */ uart0: uart@101fd000 { pinctrl-names = "default"; pinctrl-0 = <&uart0_nhk_mode>; status = "okay"; }; mmcsd: sdi@101f6000 { cd-gpios = <&stmpe_gpio44 7 GPIO_ACTIVE_LOW>; wp-gpios = <&stmpe_gpio44 18 GPIO_ACTIVE_HIGH>; }; }; spi { compatible = "spi-gpio"; #address-cells = <1>; #size-cells = <0>; /* * As we're dealing with 3wire SPI, we only define SCK * and MOSI (in the spec MOSI is called "SDA"). */ gpio-sck = <&gpio0 5 GPIO_ACTIVE_HIGH>; gpio-mosi = <&gpio0 4 GPIO_ACTIVE_HIGH>; /* * This chipselect is active high. Just setting the flags * to GPIO_ACTIVE_HIGH is not enough for the SPI DT bindings, * it will be ignored, only the special "spi-cs-high" flag * really counts. */ cs-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>; spi-cs-high; num-chipselects = <1>; /* * WVGA connector 21 * WVGA (800x480): 4.3" TPG110 TDO43MTEA2 24-bit RGB * with TPO touch screen. */ panel: display@0 { /* * The TPO display driver is connected to a * 5.7" OSD OSD057VA01CT TFT display. */ compatible = "tpo,tpg110"; reg = <0>; spi-3wire; /* 320 ns min period ~= 3 MHz */ spi-max-frequency = <3000000>; /* Width and height from the OSD data sheet */ width-mm = <116>; height-mm = <87>; grestb-gpios = <&stmpe_gpio44 5 GPIO_ACTIVE_LOW>; backlight = <&bl>; port { nomadik_clcd_panel: endpoint { remote-endpoint = <&nomadik_clcd>; }; }; }; }; bl: backlight { compatible = "pwm-backlight"; pwms = <&stmpe0_pwm 0 500000>; pwm-names = "backlight"; brightness-levels = < 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 >; default-brightness-level = <100>; }; };