Signed-off-by: Richard Zhao richard.zhao@freescale.com --- 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>; + }; + }; + 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); + if (IS_ERR(pct)) { + dev_err(&pdev->dev, "can't get/select pinctrl\n"); + ret = PTR_ERR(pct); + goto fail3; + } + /* Get I2C clock */ i2c_imx->clk = clk_get(&pdev->dev, "i2c_clk"); if (IS_ERR(i2c_imx->clk)) {