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0499220d6d
DT properties which can have multiple entries need to specify what the entries are and define how many entries there can be. In the case of only a single entry, just 'maxItems: 1' is sufficient. Add the missing entry constraints. These were found with a modified meta-schema. Unfortunately, there are a few cases where the size constraints are not defined such as common bindings, so the meta-schema can't be part of the normal checks. Cc: Jens Axboe <axboe@kernel.dk> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: MyungJoo Ham <myungjoo.ham@samsung.com> Cc: Chanwoo Choi <cw00.choi@samsung.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com> Cc: Jonathan Cameron <jic23@kernel.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Marc Zyngier <maz@kernel.org> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Chen-Yu Tsai <wens@csie.org> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Sebastian Reichel <sre@kernel.org> Cc: Ohad Ben-Cohen <ohad@wizery.com> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Sebastian Reichel <sre@kernel.org> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for-iio Acked-by: Chanwoo Choi <cw00.choi@samsung.com> Reviewed-by: Suman Anna <s-anna@ti.com> Acked-by: Paul Cercueil <paul@crapouillou.net> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20210104230253.2805217-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
71 lines
1.4 KiB
YAML
71 lines
1.4 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: "http://devicetree.org/schemas/input/touchscreen/elan,elants_i2c.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: Elantech I2C Touchscreen
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maintainers:
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- David Heidelberg <david@ixit.cz>
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allOf:
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- $ref: touchscreen.yaml#
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properties:
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compatible:
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enum:
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- elan,ektf3624
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- elan,ekth3500
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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wakeup-source:
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type: boolean
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description: touchscreen can be used as a wakeup source.
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reset-gpios:
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maxItems: 1
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description: reset gpio the chip is connected to.
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vcc33-supply:
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description: a phandle for the regulator supplying 3.3V power.
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vccio-supply:
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description: a phandle for the regulator supplying IO power.
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touchscreen-inverted-x: true
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touchscreen-inverted-y: true
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touchscreen-size-x: true
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touchscreen-size-y: true
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touchscreen-swapped-x-y: true
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additionalProperties: false
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required:
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- compatible
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- reg
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- interrupts
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examples:
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- |
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#include <dt-bindings/interrupt-controller/irq.h>
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i2c {
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#address-cells = <1>;
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#size-cells = <0>;
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touchscreen@10 {
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compatible = "elan,ekth3500";
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reg = <0x10>;
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interrupt-parent = <&gpio4>;
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interrupts = <0x0 IRQ_TYPE_EDGE_FALLING>;
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wakeup-source;
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};
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};
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