From: Alistair Francis <alistair23@gmail.com>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Alistair Francis <alistair@alistair23.me>,
linux-input@vger.kernel.org, dl-linux-imx <linux-imx@nxp.com>,
Sascha Hauer <kernel@pengutronix.de>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/3] devicetree/bindings: Initial commit of wacom,wacom-i2c
Date: Tue, 19 Jan 2021 22:15:53 -0800 [thread overview]
Message-ID: <CAKmqyKPMXxLOGj4BH_fYx4hjZ+pHO3LNQVtN1buFrSAom38j1g@mail.gmail.com> (raw)
In-Reply-To: <YAeSL1PSo0vn7E/5@google.com>
On Tue, Jan 19, 2021 at 6:15 PM Dmitry Torokhov
<dmitry.torokhov@gmail.com> wrote:
>
> Hi Alistair,
>
> On Sat, Jan 16, 2021 at 08:24:26PM -0800, Alistair Francis wrote:
> > Signed-off-by: Alistair Francis <alistair@alistair23.me>
> > ---
> > .../input/touchscreen/wacom,wacom-i2c.yaml | 55 +++++++++++++++++++
> > .../devicetree/bindings/vendor-prefixes.yaml | 2 +
> > 2 files changed, 57 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/input/touchscreen/wacom,wacom-i2c.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/input/touchscreen/wacom,wacom-i2c.yaml b/Documentation/devicetree/bindings/input/touchscreen/wacom,wacom-i2c.yaml
> > new file mode 100644
> > index 000000000000..6b0e0034f836
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/input/touchscreen/wacom,wacom-i2c.yaml
> > @@ -0,0 +1,55 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/input/touchscreen/wacom,wacom-i2c.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Wacom I2C Controller
> > +
> > +maintainers:
> > + - Alistair Francis <alistair@alistair23.me>
> > +
> > +allOf:
> > + - $ref: touchscreen.yaml#
> > +
> > +properties:
> > + compatible:
> > + const: wacom,wacom-i2c
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + interrupts:
> > + maxItems: 1
> > +
> > + flip-tilt-x:
> > + flip-tilt-y:
>
> Does the device support tilt? The driver does not, at least at the
> moment. Also, does it make sense to flip tilt but not position?
>
> > + flip-pos-x:
> > + flip-pos-y:
>
> This needs to use standard touchscreen properties. See
> Documentation/devicetree/bindings/input/touchscreen/touchscreen.yaml
>
> > + flip-distance:
>
> I am having trouble understanding when this one would be useful.
Thanks for the review. These came from the original out of tree DT. I
have removed them, I'm planning on using the standard touchscreen ones
you pointed out if they are required.
Alistair
>
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - interrupts
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + #include "dt-bindings/interrupt-controller/irq.h"
> > + i2c {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
> > + digitiser@9 {
> > + compatible = "wacom,wacom-i2c";
> > + reg = <0x9>;
> > + interrupt-parent = <&gpio1>;
> > + interrupts = <9 IRQ_TYPE_LEVEL_LOW>;
> > + flip-tilt-x;
> > + flip-tilt-y;
> > + flip-pos-x;
> > + flip-pos-y;
> > + flip-distance;
> > + };
> > + };
> > diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> > index 041ae90b0d8f..5bca22f035a3 100644
> > --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
> > +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
> > @@ -1202,6 +1202,8 @@ patternProperties:
> > description: Vision Optical Technology Co., Ltd.
> > "^vxt,.*":
> > description: VXT Ltd
> > + "^wacom,.*":
> > + description: Wacom Co., Ltd
> > "^wand,.*":
> > description: Wandbord (Technexion)
> > "^waveshare,.*":
> > --
> > 2.29.2
> >
>
> Thanks.
>
> --
> Dmitry
prev parent reply other threads:[~2021-01-20 6:19 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-17 4:24 [PATCH 1/3] devicetree/bindings: Initial commit of wacom,wacom-i2c Alistair Francis
2021-01-17 4:24 ` [PATCH 2/3] input/touchscreen: Add device tree support to wacom_i2c Alistair Francis
2021-01-20 2:17 ` Dmitry Torokhov
2021-01-21 6:51 ` Alistair Francis
2021-01-17 4:24 ` [PATCH 3/3] arch/arm: reMarkable2: Enable wacom_i2c Alistair Francis
2021-01-20 2:15 ` [PATCH 1/3] devicetree/bindings: Initial commit of wacom,wacom-i2c Dmitry Torokhov
2021-01-20 6:15 ` Alistair Francis [this message]
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