dt-bindings: input: touschcreen: Remove sun4i documentation
This patch removes the sun4i touchscreen controller binding documentation since it has been merged with the sun4i GPADC binding documentation. Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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sun4i resistive touchscreen controller
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--------------------------------------
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Required properties:
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- compatible: "allwinner,sun4i-a10-ts", "allwinner,sun5i-a13-ts" or
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"allwinner,sun6i-a31-ts"
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- reg: mmio address range of the chip
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- interrupts: interrupt to which the chip is connected
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- #thermal-sensor-cells: shall be 0
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Optional properties:
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- allwinner,ts-attached : boolean indicating that an actual touchscreen
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is attached to the controller
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- allwinner,tp-sensitive-adjust : integer (4 bits)
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adjust sensitivity of pen down detection
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between 0 (least sensitive) and 15
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(defaults to 15)
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- allwinner,filter-type : integer (2 bits)
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select median and averaging filter
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samples used for median / averaging filter
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0: 4/2
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1: 5/3
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2: 8/4
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3: 16/8
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(defaults to 1)
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Example:
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rtp: rtp@01c25000 {
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compatible = "allwinner,sun4i-a10-ts";
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reg = <0x01c25000 0x100>;
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interrupts = <29>;
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allwinner,ts-attached;
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#thermal-sensor-cells = <0>;
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/* sensitive/noisy touch panel */
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allwinner,tp-sensitive-adjust = <0>;
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allwinner,filter-type = <3>;
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};
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