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- From 5fc63e337fdade6d8b3eeb987a5da9f7b57f54cb Mon Sep 17 00:00:00 2001
- From: Fadil Berisha <f.koliqi@gmail.com>
- Date: Wed, 19 Sep 2012 17:57:35 -0400
- Subject: [PATCH 4/4] Add i2c initial support
- ---
- arch/arm/boot/dts/imx23-olinuxino.dts | 20 +++++++++++++++
- arch/arm/boot/dts/imx23.dtsi | 44 ++++++++++++++++++++++++++++++---
- 2 files changed, 61 insertions(+), 3 deletions(-)
- diff --git a/arch/arm/boot/dts/imx23-olinuxino.dts b/arch/arm/boot/dts/imx23-olinuxino.dts
- index 4a9d84d..7143633 100644
- --- a/arch/arm/boot/dts/imx23-olinuxino.dts
- +++ b/arch/arm/boot/dts/imx23-olinuxino.dts
- @@ -67,6 +67,26 @@
- };
- apbx@80040000 {
- + i2c0: i2c@80058000 {
- + pinctrl-names = "default";
- + pinctrl-0 = <&i2c0_pins_a>;
- + status = "okay";
- +
- + sgtl5000: codec@0a {
- + compatible = "fsl,sgtl5000";
- + reg = <0x0a>;
- + VDDA-supply = <®_3p3v>;
- + VDDIO-supply = <®_3p3v>;
- +
- + };
- +
- + at24@51 {
- + compatible = "at24,24c32";
- + pagesize = <32>;
- + reg = <0x51>;
- + };
- + };
- +
- duart: serial@80070000 {
- pinctrl-names = "default";
- pinctrl-0 = <&duart_pins_a>;
- diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi
- index 1cb6a69..ae7e1fa 100644
- --- a/arch/arm/boot/dts/imx23.dtsi
- +++ b/arch/arm/boot/dts/imx23.dtsi
- @@ -279,11 +279,44 @@
- fsl,pull-up = <0>;
- };
- + 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: i2c@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>;
- + };
- +
- spi1_pins_a: spi1@0 {
- reg = <0>;
- fsl,pinmux-ids = <
- - 0x0182 /* MX23_PAD_GPMI_WRN__SSP2_SCK */
- - 0x0142 /* MX23_PAD_GPMI_RDY1__SSP2_CMD */
- + 0x0182 /* MX23_PAD_GPMI_WRN__SSP2_SCK */
- + 0x0142 /* MX23_PAD_GPMI_RDY1__SSP2_CMD */
- 0x0002 /* MX23_PAD_GPMI_D00__SSP2_DATA0 */
- 0x0032 /* MX23_PAD_GPMI_D03__SSP2_DATA3 */
- >;
- @@ -399,8 +432,13 @@
- status = "disabled";
- };
- - i2c@80058000 {
- + i2c0: i2c@80058000 {
- + #address-cells = <1>;
- + #size-cells = <0>;
- + compatible = "fsl,imx23-i2c";
- reg = <0x80058000 0x2000>;
- + interrupts = <26 27>;
- + clock-frequency = <100000>;
- status = "disabled";
- };
- --
- 1.7.10
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