diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2018-05-08 08:14:56 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-05-08 08:14:56 +0200 |
| commit | 6b85c20d46812bdbc062b863261c3e5100e30556 (patch) | |
| tree | e067c9889eaf55d5e793b05a14000276f2669e9f /dts/Bindings/gpio/gpio.txt | |
| parent | 9d8c00bdf7c1e8b614a797f0a15fa45bf6387224 (diff) | |
| download | barebox-6b85c20d46812bdbc062b863261c3e5100e30556.tar.gz barebox-6b85c20d46812bdbc062b863261c3e5100e30556.tar.xz | |
dts: update to v4.17-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/gpio/gpio.txt')
| -rw-r--r-- | dts/Bindings/gpio/gpio.txt | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/dts/Bindings/gpio/gpio.txt b/dts/Bindings/gpio/gpio.txt index b5de08e3b1..a7c31de293 100644 --- a/dts/Bindings/gpio/gpio.txt +++ b/dts/Bindings/gpio/gpio.txt @@ -151,9 +151,9 @@ in a lot of designs, some using all 32 bits, some using 18 and some using first 18 GPIOs, at local offset 0 .. 17, are in use. If these GPIOs do not happen to be the first N GPIOs at offset 0...N-1, an -additional bitmask is needed to specify which GPIOs are actually in use, -and which are dummies. The bindings for this case has not yet been -specified, but should be specified if/when such hardware appears. +additional set of tuples is needed to specify which GPIOs are unusable, with +the gpio-reserved-ranges binding. This property indicates the start and size +of the GPIOs that can't be used. Optionally, a GPIO controller may have a "gpio-line-names" property. This is an array of strings defining the names of the GPIO lines going out of the @@ -178,6 +178,7 @@ gpio-controller@00000000 { gpio-controller; #gpio-cells = <2>; ngpios = <18>; + gpio-reserved-ranges = <0 4>, <12 2>; gpio-line-names = "MMC-CD", "MMC-WP", "VDD eth", "RST eth", "LED R", "LED G", "LED B", "Col A", "Col B", "Col C", "Col D", "Row A", "Row B", "Row C", "Row D", "NMI button", |