ARM: socfpga: dts: enable USB and I2C on Arria10 SoCDK

On the Arria10 Devkit, the I2C bus has a serial EEPROM and an RTC
hanging off it. Also, enable the USB node.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>

diff --git a/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi b/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
index 99aa9a1c8af0b6950fbd999e432ace134c7b285d..567df98f1bb5da3d422fae0ddcb15b97b9a68396 100644 (file)
--- a/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
@@ -70,6 +70,33 @@ &gmac0 {
        status = "okay";
 };
 
+&i2c1 {
+       speed-mode = <0>;
+       status = "okay";
+
+       /*
+        * adjust the falling times to decrease the i2c frequency to 50Khz
+        * because the LCD module does not work at the standard 100Khz
+        */
+       i2c-sda-falling-time-ns = <6000>;
+       i2c-scl-falling-time-ns = <6000>;
+
+       eeprom@51 {
+               compatible = "atmel,24c32";
+               reg = <0x51>;
+               pagesize = <32>;
+       };
+
+       rtc@68 {
+               compatible = "dallas,ds1339";
+               reg = <0x68>;
+       };
+};
+
 &uart1 {
        status = "okay";
 };
+
+&usb0 {
+       status = "okay";
+};