From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugeniy Paltsev Subject: [PATCH v3 2/2] dt-bindings: Document the Synopsys GPIO via CREG bindings Date: Tue, 11 Sep 2018 18:09:25 +0300 Message-ID: <20180911150925.19460-3-Eugeniy.Paltsev@synopsys.com> References: <20180911150925.19460-1-Eugeniy.Paltsev@synopsys.com> Return-path: In-Reply-To: <20180911150925.19460-1-Eugeniy.Paltsev@synopsys.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-snps-arc@lists.infradead.org, linux-gpio@vger.kernel.org Cc: linux-kernel@vger.kernel.org, Vineet Gupta , Alexey Brodkin , Linus Walleij , Rob Herring , devicetree@vger.kernel.org, Mark Rutland , Eugeniy Paltsev List-Id: devicetree@vger.kernel.org This patch adds documentation of device tree bindings for the Synopsys GPIO via CREG driver. Signed-off-by: Eugeniy Paltsev --- .../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