[PATCH 1/2] pinctrl: imx6q: add DTE pinctrl items for mx6q uart

Shawn Guo shawn.guo at linaro.org
Mon Mar 4 17:30:39 EST 2013


On Wed, Feb 27, 2013 at 10:35:52AM +0800, Huang Shijie wrote:
> This patch adds two DTE pinctrl items for UART in mx6q.
>   MX6Q_PAD_EIM_D27__UART2_RXD_DTE: set the RX/TX into DTE mode.
>   MX6Q_PAD_EIM_D29__UART2_RTS_DTE: set the RTS/CTS into DTE mode.
> 
> If the uart want to work in DTE mode and enable the hardware flow control,
> it must selects these two pinctrl items.
> 
> Signed-off-by: Huang Shijie <b32955 at freescale.com>
> ---
>  .../bindings/pinctrl/fsl,imx6q-pinctrl.txt         |    2 ++
>  drivers/pinctrl/pinctrl-imx6q.c                    |    2 ++
>  2 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt
> index a4119f6..91b8fa5 100644
> --- a/Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt
> +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx6q-pinctrl.txt
> @@ -1628,3 +1628,5 @@ MX6Q_PAD_SD2_DAT3__SJC_DONE			1589
>  MX6Q_PAD_SD2_DAT3__ANATOP_TESTO_3		1590
>  MX6Q_PAD_ENET_RX_ER__ANATOP_USBOTG_ID		1591
>  MX6Q_PAD_GPIO_1__ANATOP_USBOTG_ID		1592
> +MX6Q_PAD_EIM_D27__UART2_RXD_DTE			1593
> +MX6Q_PAD_EIM_D29__UART2_RTS_DTE			1594
> diff --git a/drivers/pinctrl/pinctrl-imx6q.c b/drivers/pinctrl/pinctrl-imx6q.c
> index 663346b..7eaacfb 100644
> --- a/drivers/pinctrl/pinctrl-imx6q.c
> +++ b/drivers/pinctrl/pinctrl-imx6q.c
> @@ -1952,6 +1952,8 @@ static struct imx_pin_reg imx6q_pin_regs[] = {
>  	IMX_PIN_REG(MX6Q_PAD_SD2_DAT3, 0x0744, 0x035C, 7, 0x0000, 0), /* MX6Q_PAD_SD2_DAT3__ANATOP_TESTO_3 */
>  	IMX_PIN_REG(MX6Q_PAD_ENET_RX_ER, 0x04EC, 0x01D8, 0, 0x0000, 0), /* MX6Q_PAD_ENET_RX_ER__ANATOP_USBOTG_ID */
>  	IMX_PIN_REG(MX6Q_PAD_GPIO_1, 0x05F4, 0x0224, 3, 0x0000, 0), /* MX6Q_PAD_GPIO_1__ANATOP_USBOTG_ID */
> +	IMX_PIN_REG(MX6Q_PAD_EIM_D27, 0x03D4, 0x00C0, 4, 0x0928, 0), /* MX6Q_PAD_EIM_D27__UART2_RXD_DTE */
> +	IMX_PIN_REG(MX6Q_PAD_EIM_D29, 0x03DC, 0x00C8, 4, 0x0924, 0), /* MX6Q_PAD_EIM_D29__UART2_RTS_DTE */

We are moving all these data into device tree.  Please patch dts against
my imx/dt branch instead.

Shawn

>  };
>  
>  /* Pad names for the pinmux subsystem */
> -- 
> 1.7.1
> 
> 



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