/* * Device Tree for the ST-Ericsson Nomadik S8815 board * Produced by Calao Systems */ /dts-v1/; #include "ste-nomadik-stn8815.dtsi" / { model = "Calao Systems USB-S8815"; compatible = "calaosystems,usb-s8815"; chosen { bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk"; }; /* This is where the interrupt is routed on the S8815 board */ external-bus@34000000 { ethernet@300 { interrupt-parent = <&gpio3>; interrupts = <8 0x1>; }; }; src@101e0000 { /* These chrystal drivers are not used on this board */ disable-sxtalo; disable-mxtalo; }; pinctrl { /* Hog CD pins */ pinctrl-names = "default"; pinctrl-0 = <&cd_default_mode>; mmcsd-cd { cd_default_mode: cd_default { cd_default_cfg1 { /* CD input GPIO */ ste,pins = "GPIO111_H21"; ste,input = <0>; }; cd_default_cfg2 { /* CD GPIO biasing */ ste,pins = "GPIO112_J21"; ste,output = <0>; }; }; }; gpioi2c { gpioi2c_default_mode: gpioi2c_default { gpioi2c_default_cfg { ste,pins = "GPIO73_C21", "GPIO74_C20"; ste,input = <0>; }; }; }; user-led { user_led_default_mode: user_led_default { user_led_default_cfg { ste,pins = "GPIO2_C5"; ste,output = <1>; }; }; }; user-button { user_button_default_mode: user_button_default { user_button_default_cfg { ste,pins = "GPIO3_A4"; ste,input = <0>; }; }; }; }; /* GPIO I2C connected to the USB portions of the STw4811 only */ gpio-i2c { compatible = "i2c-gpio"; gpios = <&gpio2 10 0>, /* sda */ <&gpio2 9 0>; /* scl */ #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; pinctrl-0 = <&gpioi2c_default_mode>; stw4811@2d { compatible = "st,stw4811-usb"; reg = <0x2d>; }; }; /* Configure card detect for the uSD slot */ amba { mmcsd: sdi@101f6000 { cd-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>; }; }; /* Custom board node with GPIO pins to active etc */ usb-s8815 { /* This will bias the MMC/SD card detect line */ mmcsd-gpio { gpios = <&gpio3 16 0x1>; }; }; /* The user LED on the board is set up to be used for heartbeat */ leds { compatible = "gpio-leds"; user-led { label = "user_led"; gpios = <&gpio0 2 0x1>; default-state = "off"; linux,default-trigger = "heartbeat"; pinctrl-names = "default"; pinctrl-0 = <&user_led_default_mode>; }; }; /* User key mapped in as "escape" */ gpio-keys { compatible = "gpio-keys"; user-button { label = "user_button"; gpios = <&gpio0 3 0x1>; linux,code = <1>; /* KEY_ESC */ gpio-key,wakeup; pinctrl-names = "default"; pinctrl-0 = <&user_button_default_mode>; }; }; };