From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brian Norris Subject: [PATCH 1/2] devicetree: i2c-hid: Add regulator support Date: Fri, 2 Dec 2016 14:18:59 -0800 Message-ID: <1480717140-14558-1-git-send-email-briannorris@chromium.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Jiri Kosina , Benjamin Tissoires Cc: Mark Rutland , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Brian Norris , Dmitry Torokhov , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Doug Anderson , linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, Rob Herring , linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Caesar Wang List-Id: devicetree@vger.kernel.org From: Caesar Wang Document a "vdd-supply" and an initialization delay. Can be used for powering on/off a HID. Signed-off-by: Caesar Wang Cc: Rob Herring Cc: Jiri Kosina Cc: linux-input-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Signed-off-by: Brian Norris --- v2: * add compatible property for wacom, per Rob's request * name the regulator property specifically (VDD) v3: * remove wacom property, per Benjamin's request * add delay property v4: no change --- Documentation/devicetree/bindings/input/hid-over-i2c.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/input/hid-over-i2c.txt b/Documentation/devicetree/bindings/input/hid-over-i2c.txt index 488edcb264c4..1ea290167652 100644 --- a/Documentation/devicetree/bindings/input/hid-over-i2c.txt +++ b/Documentation/devicetree/bindings/input/hid-over-i2c.txt @@ -17,6 +17,11 @@ Required properties: - interrupt-parent: the phandle for the interrupt controller - interrupts: interrupt line +Optional properties: +- vdd-supply: phandle of the regulator that provides the supply voltage. +- init-delay-ms: time required by the device after power-on before it is ready + for communication. + Example: i2c-hid-dev@2c { -- 2.8.0.rc3.226.g39d4020