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Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/fsl,imx6sll-pinctrl.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/fsl,imx6sll-pinctrl.txt | 40 |
1 files changed, 40 insertions, 0 deletions
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 000000000..175e8939a --- /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. |