Re: [PATCH v5 3/3] Input: atmel_mxt_ts: Document optional voltage regulators
From: Sebastian Reichel <sre@kernel.org>
Date: 2018-12-16 22:41:59
Also in:
linux-devicetree, linux-input, lkml
Hi, On Fri, Dec 14, 2018 at 04:12:14PM +0100, Paweł Chmiel wrote:
Document new optional voltage regulators, which can be used to power down/up touchscreen. Signed-off-by: Paweł Chmiel <redacted> Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Sebastian Reichel <redacted> -- Sebastian
quoted hunk ↗ jump to hunk
--- Changes from v1: - Added reviewed-by --- .../devicetree/bindings/input/atmel,maxtouch.txt | 8 ++++++++ 1 file changed, 8 insertions(+)diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt index c88919480d37..17930ecadad3 100644 --- a/Documentation/devicetree/bindings/input/atmel,maxtouch.txt +++ b/Documentation/devicetree/bindings/input/atmel,maxtouch.txt@@ -31,6 +31,12 @@ Optional properties for main touchpad device: - reset-gpios: GPIO specifier for the touchscreen's reset pin (active low) +- avdd-supply: Analog power supply. It powers up the analog channel block + of the controller to detect the touches. + +- vdd-supply: Digital power supply. It powers up the digital block + of the controller to enable i2c communication. + Example: touch@4b {@@ -38,4 +44,6 @@ Example: reg = <0x4b>; interrupt-parent = <&gpio>; interrupts = <TEGRA_GPIO(W, 3) IRQ_TYPE_LEVEL_LOW>; + avdd-supply = <&atsp_reg>; + vdd-supply = <&tsp_reg>; };-- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel