diff options
Diffstat (limited to 'kernel/arch/arm/boot/dts/ste-nomadik-s8815.dts')
-rw-r--r-- | kernel/arch/arm/boot/dts/ste-nomadik-s8815.dts | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/kernel/arch/arm/boot/dts/ste-nomadik-s8815.dts b/kernel/arch/arm/boot/dts/ste-nomadik-s8815.dts new file mode 100644 index 000000000..85d3b95df --- /dev/null +++ b/kernel/arch/arm/boot/dts/ste-nomadik-s8815.dts @@ -0,0 +1,141 @@ +/* + * Device Tree for the ST-Ericsson Nomadik S8815 board + * Produced by Calao Systems + */ + +/dts-v1/; +#include <dt-bindings/interrupt-controller/irq.h> +#include "ste-nomadik-stn8815.dtsi" + +/ { + model = "Calao Systems USB-S8815"; + compatible = "calaosystems,usb-s8815"; + + chosen { + bootargs = "root=/dev/ram0 console=ttyAMA1,115200n8 earlyprintk"; + }; + + 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 */ + pins = "GPIO111_H21"; + ste,input = <0>; + }; + cd_default_cfg2 { + /* CD GPIO biasing */ + pins = "GPIO112_J21"; + ste,output = <0>; + }; + }; + }; + gpioi2c { + gpioi2c_default_mode: gpioi2c_default { + gpioi2c_default_cfg { + pins = "GPIO73_C21", "GPIO74_C20"; + ste,input = <0>; + }; + }; + }; + user-led { + user_led_default_mode: user_led_default { + user_led_default_cfg { + pins = "GPIO2_C5"; + ste,output = <1>; + }; + }; + }; + user-button { + user_button_default_mode: user_button_default { + user_button_default_cfg { + pins = "GPIO3_A4"; + ste,input = <0>; + }; + }; + }; + }; + + /* Ethernet */ + 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>; + interrupt-parent = <&gpio3>; + interrupts = <8 IRQ_TYPE_EDGE_RISING>; + }; + }; + + /* 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>; + }; + }; +}; |