On Fri, Apr 27, 2012 at 03:02:58PM +0800, Richard Zhao wrote:
> Signed-off-by: Richard Zhao <richard.zhao@xxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/imx6q-sabrelite.dts | 2 ++
> arch/arm/boot/dts/imx6q.dtsi | 16 ++++++++++++++++
> drivers/i2c/busses/i2c-imx.c | 9 +++++++++
> 3 files changed, 27 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/boot/dts/imx6q-sabrelite.dts b/arch/arm/boot/dts/imx6q-sabrelite.dts
> index 4663a4e..4e13293 100644
> --- a/arch/arm/boot/dts/imx6q-sabrelite.dts
> +++ b/arch/arm/boot/dts/imx6q-sabrelite.dts
> @@ -50,6 +50,8 @@
> i2c@021a0000 { /* I2C1 */
> status = "okay";
> clock-frequency = <100000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1_1>;
>
> codec: sgtl5000@0a {
> compatible = "fsl,sgtl5000";
> diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
> index 2ba32e7..fe8c80d 100644
> --- a/arch/arm/boot/dts/imx6q.dtsi
> +++ b/arch/arm/boot/dts/imx6q.dtsi
> @@ -390,6 +390,22 @@
> reg = <0x020e0000 0x4000>;
>
> /* shared pinctrl settings */
> + i2c1 {
> + pinctrl_i2c1_1: i2c1grp-1 {
> + fsl,pins = "MX6Q_PAD_EIM_D21",
> + "MX6Q_PAD_EIM_D28";
> + fsl,hysteresis = <1>;
> + fsl,mux = <0x16 0x11>;
> + fsl,pull = <2>;
> + fsl,pue = <1>;
> + fsl,pke = <1>;
> + fsl,open-drain = <1>;
> + fsl,speed = <2>;
> + fsl,drive-strength = <6>;
> + fsl,slew-rate = <1>;
> + };
The pinctrl binding is changed a bit since v1.
You may need to change here according to v2 or latter.
> + };
> +
> uart4 {
> pinctrl_uart4_1: uart4grp-1 {
> fsl,pins = "MX6Q_PAD_KEY_COL0",
> diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
> index dfb84b7..7a52067 100644
> --- a/drivers/i2c/busses/i2c-imx.c
> +++ b/drivers/i2c/busses/i2c-imx.c
> @@ -48,6 +48,7 @@
> #include <linux/platform_device.h>
> #include <linux/clk.h>
> #include <linux/slab.h>
> +#include <linux/pinctrl/consumer.h>
> #include <linux/of.h>
> #include <linux/of_device.h>
> #include <linux/of_i2c.h>
> @@ -470,6 +471,7 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
> struct imx_i2c_struct *i2c_imx;
> struct resource *res;
> struct imxi2c_platform_data *pdata = pdev->dev.platform_data;
> + struct pinctrl *pct;
> void __iomem *base;
> resource_size_t res_size;
> int irq, bitrate;
> @@ -520,6 +522,13 @@ static int __init i2c_imx_probe(struct platform_device *pdev)
> i2c_imx->base = base;
> i2c_imx->res = res;
>
> + pct = devm_pinctrl_get_select_default(&pdev->dev);
You may want to check this change will break other platforms also using this driver.
Refer to:
http://www.spinics.net/lists/arm-kernel/msg171538.html
Regards
Dong Aisheng
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