diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt index 04d16fb69eb7..774c3c269c40 100644 --- a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt @@ -4,7 +4,9 @@ The Atmel PIO4 controller is used to select the function of a pin and to configure it. Required properties: -- compatible: "atmel,sama5d2-pinctrl". +- compatible: + "atmel,sama5d2-pinctrl" + "microchip,sama7g5-pinctrl" - reg: base address and length of the PIO controller. - interrupts: interrupt outputs from the controller, one for each bank. - interrupt-controller: mark the device node as an interrupt controller. @@ -33,9 +35,12 @@ ioset settings. Use the macros from boot/dts/<soc>-pinfunc.h file to get the right representation of the pin. Optional properties: -- GENERIC_PINCONFIG: generic pinconfig options to use, bias-disable, -bias-pull-down, bias-pull-up, drive-open-drain, input-schmitt-enable, -input-debounce, output-low, output-high. +- GENERIC_PINCONFIG: generic pinconfig options to use: + - bias-disable, bias-pull-down, bias-pull-up, drive-open-drain, + drive-push-pull input-schmitt-enable, input-debounce, output-low, + output-high. + - for microchip,sama7g5-pinctrl only: + - slew-rate: 0 - disabled, 1 - enabled (default) - atmel,drive-strength: 0 or 1 for low drive, 2 for medium drive and 3 for high drive. The default value is low drive. |