102 lines
2.0 KiB
Plaintext
102 lines
2.0 KiB
Plaintext
/*
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* Device Tree for the ST-Ericsson Nomadik S8815 board
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* Produced by Calao Systems
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*/
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/dts-v1/;
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#include "ste-nomadik-stn8815.dtsi"
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/ {
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model = "Calao Systems USB-S8815";
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compatible = "calaosystems,usb-s8815";
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chosen {
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bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk";
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};
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/* This is where the interrupt is routed on the S8815 board */
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external-bus@34000000 {
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ethernet@300 {
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interrupt-parent = <&gpio3>;
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interrupts = <8 0x1>;
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};
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};
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src@101e0000 {
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/* These chrystal drivers are not used on this board */
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disable-sxtalo;
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disable-mxtalo;
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};
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pinctrl {
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/* Hog CD pins */
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pinctrl-names = "default";
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pinctrl-0 = <&cd_default_mode>;
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mmcsd-cd {
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cd_default_mode: cd_default {
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cd_default_cfg1 {
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/* CD input GPIO */
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ste,pins = "GPIO111_H21";
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ste,input = <0>;
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};
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cd_default_cfg2 {
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/* CD GPIO biasing */
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ste,pins = "GPIO112_J21";
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ste,output = <0>;
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};
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};
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};
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user-led {
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user_led_default_mode: user_led_default {
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user_led_default_cfg {
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ste,pins = "GPIO2_C5";
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ste,output = <1>;
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};
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};
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};
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user-button {
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user_button_default_mode: user_button_default {
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user_button_default_cfg {
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ste,pins = "GPIO3_A4";
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ste,input = <0>;
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};
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};
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};
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};
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/* Custom board node with GPIO pins to active etc */
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usb-s8815 {
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/* This will bias the MMC/SD card detect line */
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mmcsd-gpio {
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gpios = <&gpio3 16 0x1>;
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};
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};
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/* The user LED on the board is set up to be used for heartbeat */
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leds {
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compatible = "gpio-leds";
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user-led {
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label = "user_led";
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gpios = <&gpio0 2 0x1>;
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default-state = "off";
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linux,default-trigger = "heartbeat";
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pinctrl-names = "default";
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pinctrl-0 = <&user_led_default_mode>;
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};
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};
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/* User key mapped in as "escape" */
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gpio-keys {
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compatible = "gpio-keys";
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user-button {
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label = "user_button";
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gpios = <&gpio0 3 0x1>;
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linux,code = <1>; /* KEY_ESC */
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gpio-key,wakeup;
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pinctrl-names = "default";
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pinctrl-0 = <&user_button_default_mode>;
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};
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};
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};
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