[PATCH v3 2/2] dt-bindings: Document the Synopsys GPIO via CREG bindings
From: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Date: 2018-09-11 15:09:42
Also in:
linux-gpio, lkml
Subsystem:
gpio subsystem, open firmware and flattened device tree bindings, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
This patch adds documentation of device tree bindings for the Synopsys GPIO via CREG driver. Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com> --- .../devicetree/bindings/gpio/snps,creg-gpio.txt | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt
diff --git a/Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt b/Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt
new file mode 100644
index 000000000000..11aba2f34066
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/snps,creg-gpio.txt@@ -0,0 +1,18 @@ +Synopsys GPIO via CREG (Control REGisters) driver + +Required properties: +- compatible : "snps,creg-gpio-hsdk" or "snps,creg-gpio-axs10x". +- reg : Exactly one register range with length 0x4. +- #gpio-cells : Should be one - the pin number. +- gpio-controller : Marks the device node as a GPIO controller. +- ngpios : Number of GPIO pins. + +Example: + +gpio: gpio@f00014b0 { + compatible = "snps,creg-gpio-hsdk"; + reg = <0xf00014b0 0x4>; + gpio-controller; + #gpio-cells = <1>; + ngpios = <2>; +};
--
2.14.4