From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaechul Lee Subject: [PATCH 1/4] input: Add support for the tm2 touchkey device driver Date: Tue, 03 Jan 2017 16:57:14 +0900 Message-ID: <1483430237-26823-2-git-send-email-jcsing.lee@samsung.com> References: <1483430237-26823-1-git-send-email-jcsing.lee@samsung.com> Return-path: In-reply-to: <1483430237-26823-1-git-send-email-jcsing.lee@samsung.com> Sender: linux-kernel-owner@vger.kernel.org To: Dmitry Torokhov , Rob Herring , Mark Rutland , Catalin Marinas , Will Deacon , Kukjin Kim , Krzysztof Kozlowski , Javier Martinez Canillas Cc: Jaechul Lee , Andi Shyti , Chanwoo Choi , beomho.seo@samsung.com, galaxyra@gmail.com, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org List-Id: devicetree@vger.kernel.org This patch adds the binding description of the tm2 touchkey device driver. Signed-off-by: Jaechul Lee --- .../bindings/input/samsung,tm2-touchkey.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt diff --git a/Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt b/Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt new file mode 100644 index 0000000..4de1af0 --- /dev/null +++ b/Documentation/devicetree/bindings/input/samsung,tm2-touchkey.txt @@ -0,0 +1,27 @@ +Samsung tm2-touchkey + +Required properties: +- compatible: must be "samsung,tm2-touchkey" +- reg: I2C address of the chip. +- interrupt-parent: a phandle for the interrupt controller (see interrupt + binding[0]). +- interrupts: interrupt to which the chip is connected (see interrupt + binding[0]). +- vcc-supply : internal regulator output. 1.8V +- vdd-supply : power supply for IC 3.3V + +[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt + +Example: + &i2c0 { + /* ... */ + + touchkey@20 { + compatible = "samsung,tm2-touchkey"; + reg = <0x20>; + interrupt-parent = <&gpa3>; + interrupts = <2 IRQ_TYPE_EDGE_FALLING>; + vcc-supply=<&ldo32_reg>; + vdd-supply=<&ldo33_reg>; + }; + }; -- 2.7.4