[PATCH v5 1/2] dt-bindings: imx: update pinctrl doc for imx6sll
A.s. Dong
aisheng.dong at nxp.com
Fri Mar 16 03:38:20 PDT 2018
> -----Original Message-----
> From: Jacky Bai
> Sent: Monday, March 12, 2018 5:37 PM
> To: linus.walleij at linaro.org; robh+dt at kernel.org; shawnguo at kernel.org;
> kernel at pengutronix.de
> Cc: Fabio Estevam <fabio.estevam at nxp.com>; linux-arm-
> kernel at lists.infradead.org; A.s. Dong <aisheng.dong at nxp.com>; dl-linux-
> imx <linux-imx at nxp.com>; jacky.baip at gmail.com
> Subject: [PATCH v5 1/2] dt-bindings: imx: update pinctrl doc for imx6sll
>
> Add pinctrl binding doc update for imx6sll.
>
> Signed-off-by: Bai Ping <ping.bai at nxp.com>
Acked-by: Dong Aisheng <aisheng.dong at nxp.com>
Regards
Dong Aisheng
> ---
> changes v2-v3:
> - add generic config binding
>
> change v3->v4:
> - add SION bit define
> - fix typo
> - move the pin header file to dts patch.
>
> change v4->5:
> - drop generic config, use the old fsl pin config style
> ---
> .../bindings/pinctrl/fsl,imx6sll-pinctrl.txt | 40 ++++++++++++++++++++++
> 1 file changed, 40 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pinctrl/fsl,imx6sll-
> pinctrl.txt
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx6sll-pinctrl.txt
> b/Documentation/devicetree/bindings/pinctrl/fsl,imx6sll-pinctrl.txt
> new file mode 100644
> index 0000000..2e897a5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx6sll-pinctrl.txt
> @@ -0,0 +1,40 @@
> +* Freescale i.MX6 SLL IOMUX Controller
> +
> +Please refer to fsl,imx-pinctrl.txt in this directory for common
> +binding part and usage.
> +
> +Required properties:
> +- compatible: "fsl,imx6sll-iomuxc"
> +- fsl,pins: each entry consists of 6 integers and represents the mux
> +and config
> + setting for one pin. The first 5 integers <mux_reg conf_reg
> +input_reg mux_val
> + input_val> are specified using a PIN_FUNC_ID macro, which can be
> +found in
> + imx6sll-pinfunc.h under device tree source folder. The last integer
> +CONFIG is
> + the pad setting value like pull-up on this pin. Please refer to
> +i.MX6SLL
> + Reference Manual for detailed CONFIG settings.
> +
> +CONFIG bits definition:
> +PAD_CTL_LVE (1 << 22)
> +PAD_CTL_HYS (1 << 16)
> +PAD_CTL_PUS_100K_DOWN (0 << 14)
> +PAD_CTL_PUS_47K_UP (1 << 14)
> +PAD_CTL_PUS_100K_UP (2 << 14)
> +PAD_CTL_PUS_22K_UP (3 << 14)
> +PAD_CTL_PUE (1 << 13)
> +PAD_CTL_PKE (1 << 12)
> +PAD_CTL_ODE (1 << 11)
> +PAD_CTL_SPEED_LOW (0 << 6)
> +PAD_CTL_SPEED_MED (1 << 6)
> +PAD_CTL_SPEED_HIGH (3 << 6)
> +PAD_CTL_DSE_DISABLE (0 << 3)
> +PAD_CTL_DSE_260ohm (1 << 3)
> +PAD_CTL_DSE_130ohm (2 << 3)
> +PAD_CTL_DSE_87ohm (3 << 3)
> +PAD_CTL_DSE_65ohm (4 << 3)
> +PAD_CTL_DSE_52ohm (5 << 3)
> +PAD_CTL_DSE_43ohm (6 << 3)
> +PAD_CTL_DSE_37ohm (7 << 3)
> +PAD_CTL_SRE_FAST (1 << 0)
> +PAD_CTL_SRE_SLOW (0 << 0)
> +
> +Refer to imx6sll-pinfunc.h in device tree source folder for all
> +available imx6sll PIN_FUNC_ID.
> --
> 1.9.1
More information about the linux-arm-kernel
mailing list