diff options
| author | Frank Li <Frank.Li@freescale.com> | 2015-07-10 02:09:43 +0800 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2015-08-11 23:15:16 +0800 |
| commit | f3ff96e90733c24dc2f7e510822eb177d22683ed (patch) | |
| tree | 06af4de8322da6709fd83138a1ef1aeb2cdc33d0 /Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.txt | |
| parent | 3b7816bade36f4f04a61d3c2920b5a110f23ce84 (diff) | |
Document: dt: binding: imx: update document for imx6ul support
This part just add necessary change to boot imx6ul.
Update clock and pinctrl for imx6ul
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.txt new file mode 100644 index 000000000000..a81bbf37ed66 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx6ul-pinctrl.txt @@ -0,0 +1,36 @@ +* Freescale i.MX6 UltraLite IOMUX Controller + +Please refer to fsl,imx-pinctrl.txt in this directory for common binding part +and usage. + +Required properties: +- compatible: "fsl,imx6ul-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 + imx6ul-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.MX6 UltraLite + Reference Manual for detailed CONFIG settings. + +CONFIG bits definition: +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) |