From: Dinh Nguyen <dinguyen@opensource.altera.com>
Date: Tue, 22 Sep 2015 19:50:37 +0000 (-0500)
Subject: ARM: socfpga: dts: enable USB and I2C on Arria10 SoCDK
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=19c21388272a64c0cd5c4a6a24eca33507ee6d50;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

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 99aa9a1c8af0..567df98f1bb5 100644
--- a/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
@@ -70,6 +70,33 @@
 	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";
+};