2 * Device Tree for the ST-Ericsson Nomadik S8815 board
3 * Produced by Calao Systems
7 #include "ste-nomadik-stn8815.dtsi"
10 model = "Calao Systems USB-S8815";
11 compatible = "calaosystems,usb-s8815";
14 bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
17 /* This is where the interrupt is routed on the S8815 board */
18 external-bus@34000000 {
20 interrupt-parent = <&gpio3>;
26 /* These chrystal drivers are not used on this board */
33 pinctrl-names = "default";
34 pinctrl-0 = <&cd_default_mode>;
37 cd_default_mode: cd_default {
40 ste,pins = "GPIO111_H21";
45 ste,pins = "GPIO112_J21";
51 user_led_default_mode: user_led_default {
52 user_led_default_cfg {
53 ste,pins = "GPIO2_C5";
59 user_button_default_mode: user_button_default {
60 user_button_default_cfg {
61 ste,pins = "GPIO3_A4";
68 /* Configure card detect for the uSD slot */
71 cd-gpios = <&gpio3 15 GPIO_ACTIVE_LOW>;
75 /* Custom board node with GPIO pins to active etc */
77 /* This will bias the MMC/SD card detect line */
79 gpios = <&gpio3 16 0x1>;
83 /* The user LED on the board is set up to be used for heartbeat */
85 compatible = "gpio-leds";
88 gpios = <&gpio0 2 0x1>;
89 default-state = "off";
90 linux,default-trigger = "heartbeat";
91 pinctrl-names = "default";
92 pinctrl-0 = <&user_led_default_mode>;
96 /* User key mapped in as "escape" */
98 compatible = "gpio-keys";
100 label = "user_button";
101 gpios = <&gpio0 3 0x1>;
102 linux,code = <1>; /* KEY_ESC */
104 pinctrl-names = "default";
105 pinctrl-0 = <&user_button_default_mode>;