diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/fsl,s32v234-siul2.txt | 19 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt | 7 |
2 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,s32v234-siul2.txt b/Documentation/devicetree/bindings/pinctrl/fsl,s32v234-siul2.txt new file mode 100644 index 000000000000..676357664a8c --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/fsl,s32v234-siul2.txt @@ -0,0 +1,19 @@ +* Freescale SIUL2 iomux controller + +See chapter 20 ("System Integration Unit Lite2 (SIUL2)") in the reference +manual[1]. + +Based on fsl,imx-pincontrol implementation. + +Required properties: +- compatible: "fsl,s32v234-siul2" +- 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 - id of MSCR to be modified + CONFIG - configuration to be written in the MSCR/IMCR register + + Even though IMCR register should be used as input register, it can be + set and addressed in the same way as MSCR, only instead of passing the + IMCR index, IMCR_IDX + 512 is passed[1]. + +[1] https://www.nxp.com/webapp/Download?colCode=S32V234RM diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt index 9dae60acf950..20f7da0984df 100644 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt @@ -71,6 +71,13 @@ pinctrl-names: The list of names to assign states. List entry 0 defines the name for integer state ID 0, list entry 1 for state ID 1, and so on. +pinctrl-assert-gpios: + List of phandles, each pointing at a GPIO which is used by some + board design to steer pins between two peripherals on the board. + It plays like a board level pin multiplexer to choose different + functions for given pins by pulling up/down the GPIOs. See + bindings/gpio/gpio.txt for details of how to specify GPIO. + For example: /* For a client device requiring named states */ |