[PATCH 1/2] ARM: socfpga: dts: add clock fields for I2C, UART and USB on Arria10

[PATCH 1/2] ARM: socfpga: dts: add clock fields for I2C, UART and USB on Arria10

[dinguyen at opensource.altera.com]

From: Dinh Nguyen <dinguyen@opensource.altera.com>

Add the required clock fields for all the I2C nodes. Also add missing clock
fields for UART0 and USB1.

Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com>
---
 arch/arm/boot/dts/socfpga_arria10.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi b/arch/arm/boot/dts/socfpga_arria10.dtsi
index 2340fcb..cce9e50 100644
--- a/arch/arm/boot/dts/socfpga_arria10.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10.dtsi
@@ -519,6 +519,7 @@
 			compatible = "snps,designware-i2c";
 			reg = <0xffc02200 0x100>;
 			interrupts = <0 105 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&l4_sp_clk>;
 			status = "disabled";
 		};
 
@@ -528,6 +529,7 @@
 			compatible = "snps,designware-i2c";
 			reg = <0xffc02300 0x100>;
 			interrupts = <0 106 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&l4_sp_clk>;
 			status = "disabled";
 		};
 
@@ -537,6 +539,7 @@
 			compatible = "snps,designware-i2c";
 			reg = <0xffc02400 0x100>;
 			interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&l4_sp_clk>;
 			status = "disabled";
 		};
 
@@ -546,6 +549,7 @@
 			compatible = "snps,designware-i2c";
 			reg = <0xffc02500 0x100>;
 			interrupts = <0 108 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&l4_sp_clk>;
 			status = "disabled";
 		};
 
@@ -555,6 +559,7 @@
 			compatible = "snps,designware-i2c";
 			reg = <0xffc02600 0x100>;
 			interrupts = <0 109 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&l4_sp_clk>;
 			status = "disabled";
 		};
 
@@ -658,6 +663,7 @@
 			interrupts = <0 110 IRQ_TYPE_LEVEL_HIGH>;
 			reg-shift = <2>;
 			reg-io-width = <4>;
+			clocks = <&l4_sp_clk>;
 			status = "disabled";
 		};
 
@@ -692,6 +698,8 @@
 			compatible = "snps,dwc2";
 			reg = <0xffb40000 0xffff>;
 			interrupts = <0 96 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&usb_clk>;
+			clock-names = "otg";
 			phys = <&usbphy0>;
 			phy-names = "usb2-phy";
 			status = "disabled";
-- 
2.4.5

[PATCH 2/2] ARM: socfpga: dts: enable USB and I2C on Arria10 SoCDK

[dinguyen at opensource.altera.com]

From: Dinh Nguyen <dinguyen@opensource.altera.com>

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>
---
 arch/arm/boot/dts/socfpga_arria10_socdk.dtsi | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi b/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
index 99aa9a1..567df98 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 at 51 {
+		compatible = "atmel,24c32";
+		reg = <0x51>;
+		pagesize = <32>;
+	};
+
+	rtc at 68 {
+		compatible = "dallas,ds1339";
+		reg = <0x68>;
+	};
+};
+
 &uart1 {
 	status = "okay";
 };
+
+&usb0 {
+	status = "okay";
+};
-- 
2.4.5