aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/imx23/patches/100-imx23-i2c.patch
blob: 096d0acfb6aa50e35363ae4ad90cf029e4d13c09 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
diff -ruN linux-3.8.11.orig/arch/arm/boot/dts/imx23.dtsi linux-3.8.11/arch/arm/boot/dts/imx23.dtsi
--- linux-3.8.11.orig/arch/arm/boot/dts/imx23.dtsi	2013-05-01 18:56:10.000000000 +0200
+++ linux-3.8.11/arch/arm/boot/dts/imx23.dtsi	2013-05-07 01:17:33.000000000 +0200
@@ -292,8 +292,42 @@
 					fsl,voltage = <1>;
 					fsl,pull-up = <1>;
 				};
-			};
 
+				i2c0_pins_a: i2c0@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x01e0 /* MX23_PAD_I2C_SCL__I2C_SCL */
+						0x01f0 /* MX23_PAD_I2C_SDA__I2C_SDA */
+					>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+				
+				i2c1_pins_a: i2c1@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x1171 /* MX23_PAD_LCD_ENABLE__I2C_SCL */
+						0x1181 /* MX23_PAD_LCD_HSYNC__I2C_SDA  */
+					>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+				
+				i2c2_pins_a: i2c2@0 {
+					reg = <0>;
+					fsl,pinmux-ids = <
+						0x2031 /* MX23_PAD_SSP1_DATA1__I2C_SCL  */
+						0x2041 /* MX23_PAD_SSP1_DATA2__I2C_SDA  */
+					>;
+					fsl,drive-strength = <1>;
+					fsl,voltage = <1>;
+					fsl,pull-up = <1>;
+				};
+
+			};
+			
 			digctl@8001c000 {
 				reg = <0x8001c000 2000>;
 				status = "disabled";
@@ -400,8 +434,14 @@
 				status = "disabled";
 			};
 
-			i2c@80058000 {
+			i2c0: i2c@80058000 {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				compatible = "fsl,imx28-i2c";
 				reg = <0x80058000 0x2000>;
+				interrupts = <27 26>;
+				clock-frequency = <100000>;
+				fsl,i2c-dma-channel = <3>;
 				status = "disabled";
 			};
 
diff -ruN linux-3.8.11.orig/arch/arm/boot/dts/imx23-olinuxino.dts linux-3.8.11/arch/arm/boot/dts/imx23-olinuxino.dts
--- linux-3.8.11.orig/arch/arm/boot/dts/imx23-olinuxino.dts	2013-05-01 18:56:10.000000000 +0200
+++ linux-3.8.11/arch/arm/boot/dts/imx23-olinuxino.dts	2013-05-07 01:16:41.000000000 +0200
@@ -68,6 +68,12 @@
 		};
 
 		apbx@80040000 {
+			i2c0: i2c@80058000 {
+				pinctrl-names = "default";
+				pinctrl-0 = <&i2c1_pins_a>;
+				status = "okay";
+			};
+			
 			duart: serial@80070000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&duart_pins_a>;