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authorSascha Hauer <s.hauer@pengutronix.de>2020-10-14 08:50:51 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2020-10-14 08:50:51 +0200
commit81bef7ea1f3bd6deb949f43c7b0a0e6abcf9804c (patch)
tree9fb9eb348735a24544db445566cd6eb9ec09381e /dts/Bindings/gpio/sgpio-aspeed.txt
parent7e41b02752e4540a78a98b756b49786b79121297 (diff)
downloadbarebox-81bef7ea1f3bd6deb949f43c7b0a0e6abcf9804c.tar.gz
barebox-81bef7ea1f3bd6deb949f43c7b0a0e6abcf9804c.tar.xz
dts: update to v5.9-rc8
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/gpio/sgpio-aspeed.txt')
-rw-r--r--dts/Bindings/gpio/sgpio-aspeed.txt5
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