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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2015-12-08 07:35:17 +0100 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2015-12-10 08:48:40 +0100 |
| commit | 6e6d9a2ff045f09d5a03e876becea5e6a1dabe90 (patch) | |
| tree | bcf5e71df4472e374d03cc15ca22b4f841d9c73d /dts/Bindings/gpio/netxbig-gpio-ext.txt | |
| parent | 8e2fd5380a4fd7cee428513dc8eab068912b49f1 (diff) | |
| download | barebox-6e6d9a2ff045f09d5a03e876becea5e6a1dabe90.tar.gz barebox-6e6d9a2ff045f09d5a03e876becea5e6a1dabe90.tar.xz | |
dts: update to v4.4-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/gpio/netxbig-gpio-ext.txt')
| -rw-r--r-- | dts/Bindings/gpio/netxbig-gpio-ext.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/dts/Bindings/gpio/netxbig-gpio-ext.txt b/dts/Bindings/gpio/netxbig-gpio-ext.txt new file mode 100644 index 0000000000..50ec2e6907 --- /dev/null +++ b/dts/Bindings/gpio/netxbig-gpio-ext.txt @@ -0,0 +1,22 @@ +Binding for the GPIO extension bus found on some LaCie/Seagate boards +(Example: 2Big/5Big Network v2, 2Big NAS). + +Required properties: +- compatible: "lacie,netxbig-gpio-ext". +- addr-gpios: GPIOs representing the address register (LSB -> MSB). +- data-gpios: GPIOs representing the data register (LSB -> MSB). +- enable-gpio: latches the new configuration (address, data) on raising edge. + +Example: + +netxbig_gpio_ext: netxbig-gpio-ext { + compatible = "lacie,netxbig-gpio-ext"; + + addr-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH + &gpio1 16 GPIO_ACTIVE_HIGH + &gpio1 17 GPIO_ACTIVE_HIGH>; + data-gpios = <&gpio1 12 GPIO_ACTIVE_HIGH + &gpio1 13 GPIO_ACTIVE_HIGH + &gpio1 14 GPIO_ACTIVE_HIGH>; + enable-gpio = <&gpio0 29 GPIO_ACTIVE_HIGH>; +}; |