On Wed, Aug 15, 2012 at 06:31:48PM +0800, Hui Wang wrote:
> i.MX6Q sabrelite board uses i2c3 to connect an eeti egalax
> touchscreen controller, add it as an i2c slave device in the dts.
>
> Signed-off-by: Hui Wang <[email protected]>
> ---
> arch/arm/boot/dts/imx6q-sabrelite.dts | 16 ++++++++++++++++
> arch/arm/boot/dts/imx6q.dtsi | 7 +++++++
> 2 files changed, 23 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/imx6q-sabrelite.dts
> b/arch/arm/boot/dts/imx6q-sabrelite.dts
> index 72f30f3..4a68e1f 100644
> --- a/arch/arm/boot/dts/imx6q-sabrelite.dts
> +++ b/arch/arm/boot/dts/imx6q-sabrelite.dts
> @@ -54,6 +54,7 @@
> 144 0x80000000
> /* MX6Q_PAD_EIM_D22__GPIO_3_22 */
> 121 0x80000000
> /* MX6Q_PAD_EIM_D19__GPIO_3_19 */
> 953 0x80000000
> /* MX6Q_PAD_GPIO_0__CCM_CLKO */
> + 972 0x10
> /* MX6Q_PAD_GPIO_9__GPIO_1_9 */
> >;
> };
> };
> @@ -115,6 +116,21 @@
> VDDIO-supply = <®_3p3v>;
> };
> };
> +
> + i2c@021a8000 { /* I2C3 */
> + status = "okay";
> + clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c3_1>;
> +
> + egalax_ts@04 {
> + compatible = "eeti,egalax_ts";
> + reg = <0x04>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <9 2>;
So you take this interrupt as falling-edge, while I see IRQF_TRIGGER_LOW
is used in driver with request_threaded_irq call.
Regards,
Shawn
> + wakeup-gpios = <&gpio1 9 0>;
> + };
> + };
> };
> };
>
> diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
> index fd57079..6f833b3 100644
> --- a/arch/arm/boot/dts/imx6q.dtsi
> +++ b/arch/arm/boot/dts/imx6q.dtsi
> @@ -552,6 +552,13 @@
> };
> };
>
> + i2c3 {
> + pinctrl_i2c3_1: i2c3grp-1 {
> + fsl,pins = <1013 0x4001b8b1
> /* MX6Q_PAD_GPIO_5__I2C3_SCL */
> + 1037 0x4001b8b1>;
> /* MX6Q_PAD_GPIO_16__I2C3_SDA */
> + };
> + };
> +
> serial2 {
> pinctrl_serial2_1: serial2grp-1 {
> fsl,pins = <183 0x1b0b1
> /* MX6Q_PAD_EIM_D26__UART2_TXD */
> --
> 1.7.6
>
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