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Date: Tue, 12 Jul 2022 12:16:19 +0200 From: Francesco Dolcini <francesco.dolcini@...adex.com> To: Dmitry Torokhov <dmitry.torokhov@...il.com>, Rob Herring <robh+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org> CC: Max Krummenacher <max.krummenacher@...adex.com>, linux-input@...r.kernel.org, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Francesco Dolcini <francesco.dolcini@...adex.com> Subject: [PATCH v1 2/2] dt-bindings: input: colibri-vf50-ts: Improve documentation From: Max Krummenacher <max.krummenacher@...adex.com> Clarify properties definition, drop unused pinctrl-2 state 'gpio'. Signed-off-by: Max Krummenacher <max.krummenacher@...adex.com> Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com> --- .../input/touchscreen/colibri-vf50-ts.txt | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt index 2e1490a8fe74..ca304357c374 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt @@ -3,15 +3,16 @@ Required Properties: - compatible must be toradex,vf50-touchscreen - io-channels: adc channels being used by the Colibri VF50 module + IIO ADC for Y-, X-, Y+, X+ connections - xp-gpios: FET gate driver for input of X+ - xm-gpios: FET gate driver for input of X- - yp-gpios: FET gate driver for input of Y+ - ym-gpios: FET gate driver for input of Y- -- interrupts: pen irq interrupt for touch detection -- pinctrl-names: "idle", "default", "gpios" -- pinctrl-0: pinctrl node for pen/touch detection state pinmux +- interrupts: pen irq interrupt for touch detection, signal from X plate +- pinctrl-names: "idle", "default" +- pinctrl-0: pinctrl node for pen/touch detection, pinctrl must provide + pull-up resistor on X+, X-. - pinctrl-1: pinctrl node for X/Y and pressure measurement (ADC) state pinmux -- pinctrl-2: pinctrl node for gpios functioning as FET gate drivers - vf50-ts-min-pressure: pressure level at which to stop measuring X/Y values Example: @@ -26,9 +27,8 @@ Example: ym-gpios = <&gpio0 4 GPIO_ACTIVE_HIGH>; interrupt-parent = <&gpio0>; interrupts = <8 IRQ_TYPE_LEVEL_LOW>; - pinctrl-names = "idle","default","gpios"; - pinctrl-0 = <&pinctrl_touchctrl_idle>; - pinctrl-1 = <&pinctrl_touchctrl_default>; - pinctrl-2 = <&pinctrl_touchctrl_gpios>; + pinctrl-names = "idle","default"; + pinctrl-0 = <&pinctrl_touchctrl_idle>, <&pinctrl_touchctrl_gpios>; + pinctrl-1 = <&pinctrl_touchctrl_default>, <&pinctrl_touchctrl_gpios>; vf50-ts-min-pressure = <200>; }; -- 2.25.1
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