diff options
author | Anson Huang <b20788@freescale.com> | 2014-01-06 10:36:10 +0800 |
---|---|---|
committer | Nitin Garg <nitin.garg@freescale.com> | 2014-04-16 08:57:25 -0500 |
commit | ca979ae1ad97d156a0978f35217e0404758aec2b (patch) | |
tree | 7f6a4af6ae291b1c0c78379bd75d5b80093e632d /Documentation | |
parent | 1d54ed967f6c3ba2aab0e86b422036cf5d2e7912 (diff) |
ENGR00298524-4 pinctrl: imx: add pinctrl driver for imx6sx
Add a pinctrl driver for i.MX6 SoloX based on pinctrl-imx core
driver.
Signed-off-by: Anson Huang <b20788@freescale.com>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/pinctrl/fsl,imx6sx-pinctrl.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx6sx-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx6sx-pinctrl.txt new file mode 100644 index 000000000000..f2e5cf9c5d62 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx6sx-pinctrl.txt @@ -0,0 +1,38 @@ +* Freescale IMX6 SoloX IOMUX Controller + +Please refer to fsl,imx-pinctrl.txt in this directory for common binding part +and usage. + +Required properties: +- compatible: "fsl,imx6sx-iomuxc" +- fsl,pins: two integers array, represents a group of pins mux and config + setting. The format is fsl,pins = <PIN_FUNC_ID CONFIG>, PIN_FUNC_ID is a + pin working on a specific function, CONFIG is the pad setting value like + pull-up for this pin. Please refer to imx6sx datasheet for the valid pad + 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 (1 << 6) +PAD_CTL_SPEED_MED (2 << 6) +PAD_CTL_SPEED_HIGH (3 << 6) +PAD_CTL_DSE_DISABLE (0 << 3) +PAD_CTL_DSE_240ohm (1 << 3) +PAD_CTL_DSE_120ohm (2 << 3) +PAD_CTL_DSE_80ohm (3 << 3) +PAD_CTL_DSE_60ohm (4 << 3) +PAD_CTL_DSE_48ohm (5 << 3) +PAD_CTL_DSE_40ohm (6 << 3) +PAD_CTL_DSE_34ohm (7 << 3) +PAD_CTL_SRE_FAST (1 << 0) +PAD_CTL_SRE_SLOW (0 << 0) + +Refer to imx6sx-pinfunc.h in device tree source folder for all available +imx6sx PIN_FUNC_ID. |