target/linux/imx23/patches/100-imx23-i2c.patch

   1 --- a/arch/arm/boot/dts/imx23.dtsi
   2 +++ b/arch/arm/boot/dts/imx23.dtsi
   3 @@ -292,8 +292,42 @@
   4                                         fsl,voltage = <1>;
   5                                         fsl,pull-up = <1>;
   6                                 };
   7 -                       };
   8
   9 +                               i2c0_pins_a: i2c0@0 {
  10 +                                       reg = <0>;
  11 +                                       fsl,pinmux-ids = <
  12 +                                               0x01e0 /* MX23_PAD_I2C_SCL__I2C_SCL */
  13 +                                               0x01f0 /* MX23_PAD_I2C_SDA__I2C_SDA */
  14 +                                       >;
  15 +                                       fsl,drive-strength = <1>;
  16 +                                       fsl,voltage = <1>;
  17 +                                       fsl,pull-up = <1>;
  18 +                               };
  19 +
  20 +                               i2c1_pins_a: i2c1@0 {
  21 +                                       reg = <0>;
  22 +                                       fsl,pinmux-ids = <
  23 +                                               0x1171 /* MX23_PAD_LCD_ENABLE__I2C_SCL */
  24 +                                               0x1181 /* MX23_PAD_LCD_HSYNC__I2C_SDA  */
  25 +                                       >;
  26 +                                       fsl,drive-strength = <1>;
  27 +                                       fsl,voltage = <1>;
  28 +                                       fsl,pull-up = <1>;
  29 +                               };
  30 +
  31 +                               i2c2_pins_a: i2c2@0 {
  32 +                                       reg = <0>;
  33 +                                       fsl,pinmux-ids = <
  34 +                                               0x2031 /* MX23_PAD_SSP1_DATA1__I2C_SCL  */
  35 +                                               0x2041 /* MX23_PAD_SSP1_DATA2__I2C_SDA  */
  36 +                                       >;
  37 +                                       fsl,drive-strength = <1>;
  38 +                                       fsl,voltage = <1>;
  39 +                                       fsl,pull-up = <1>;
  40 +                               };
  41 +
  42 +                       };
  43 +
  44                         digctl@8001c000 {
  45                                 reg = <0x8001c000 2000>;
  46                                 status = "disabled";
  47 @@ -402,8 +436,14 @@
  48                                 status = "disabled";
  49                         };
  50
  51 -                       i2c@80058000 {
  52 +                       i2c0: i2c@80058000 {
  53 +                               #address-cells = <1>;
  54 +                               #size-cells = <0>;
  55 +                               compatible = "fsl,imx28-i2c";
  56                                 reg = <0x80058000 0x2000>;
  57 +                               interrupts = <27 26>;
  58 +                               clock-frequency = <100000>;
  59 +                               fsl,i2c-dma-channel = <3>;
  60                                 status = "disabled";
  61                         };
  62
  63 --- a/arch/arm/boot/dts/imx23-olinuxino.dts
  64 +++ b/arch/arm/boot/dts/imx23-olinuxino.dts
  65 @@ -68,6 +68,12 @@
  66                 };
  67
  68                 apbx@80040000 {
  69 +                       i2c0: i2c@80058000 {
  70 +                               pinctrl-names = "default";
  71 +                               pinctrl-0 = <&i2c1_pins_a>;
  72 +                               status = "okay";
  73 +                       };
  74 +
  75                         duart: serial@80070000 {
  76                                 pinctrl-names = "default";
  77                                 pinctrl-0 = <&duart_pins_a>;