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48 lines
1.4 KiB
Diff
48 lines
1.4 KiB
Diff
From 9ee66e1acf33fd1dcf4beb8a6fce4fdade01ab05 Mon Sep 17 00:00:00 2001
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From: Samuel Hsu <hsu@distec.de>
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Date: Mon, 8 Apr 2019 16:49:51 +0200
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Subject: [PATCH] Input: ili210x - add DT binding document
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commit 41a852e002e65ab7a1e6841b485d72d022e95df2 upstream
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Add DT binding document for the Ilitek ILI210x and ILI251x
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touchscreen controllers.
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Signed-off-by: Marek Vasut <marex@denx.de>
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Reviewed-by: Rob Herring <robh@kernel.org>
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Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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---
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.../bindings/input/ilitek,ili2xxx.txt | 26 +++++++++++++++++++
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1 file changed, 26 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/input/ilitek,ili2xxx.txt
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/input/ilitek,ili2xxx.txt
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@@ -0,0 +1,26 @@
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+Ilitek ILI210x/ILI251x touchscreen controller
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+
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+Required properties:
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+- compatible:
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+ ilitek,ili210x for ILI210x
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+ ilitek,ili251x for ILI251x
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+
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+- reg: The I2C address of the device
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+
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+- interrupts: The sink for the touchscreen's IRQ output
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+ See ../interrupt-controller/interrupts.txt
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+
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+Optional properties for main touchpad device:
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+
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+- reset-gpios: GPIO specifier for the touchscreen's reset pin (active low)
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+
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+Example:
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+
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+ touchscreen@41 {
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+ compatible = "ilitek,ili251x";
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+ reg = <0x41>;
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+ interrupt-parent = <&gpio4>;
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+ interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
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+ reset-gpios = <&gpio5 21 GPIO_ACTIVE_LOW>;
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+ };
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+
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