diff options
Diffstat (limited to 'dts/Bindings/gpio')
| -rw-r--r-- | dts/Bindings/gpio/sgpio-aspeed.txt | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/dts/Bindings/gpio/sgpio-aspeed.txt b/dts/Bindings/gpio/sgpio-aspeed.txt index d4d83916c0..be329ea479 100644 --- a/dts/Bindings/gpio/sgpio-aspeed.txt +++ b/dts/Bindings/gpio/sgpio-aspeed.txt @@ -20,8 +20,9 @@ Required properties: - gpio-controller : Marks the device node as a GPIO controller - interrupts : Interrupt specifier, see interrupt-controller/interrupts.txt - interrupt-controller : Mark the GPIO controller as an interrupt-controller -- ngpios : number of GPIO lines, see gpio.txt - (should be multiple of 8, up to 80 pins) +- ngpios : number of *hardware* GPIO lines, see gpio.txt. This will expose + 2 software GPIOs per hardware GPIO: one for hardware input, one for hardware + output. Up to 80 pins, must be a multiple of 8. - clocks : A phandle to the APB clock for SGPM clock division - bus-frequency : SGPM CLK frequency |