diff mbox series

[v6,3/9] Input: wacom_i2c - Add device tree support to wacom_i2c

Message ID 20210615103014.798-4-alistair@alistair23.me (mailing list archive)
State Superseded
Headers show
Series Add Wacom I2C support to rM2 | expand

Commit Message

Alistair Francis June 15, 2021, 10:30 a.m. UTC
Allow the wacom-i2c device to be exposed via device tree.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
---
 drivers/input/touchscreen/wacom_i2c.c | 8 ++++++++
 1 file changed, 8 insertions(+)

Comments

Dmitry Torokhov June 15, 2021, 4:55 p.m. UTC | #1
On Tue, Jun 15, 2021 at 08:30:08PM +1000, Alistair Francis wrote:
> Allow the wacom-i2c device to be exposed via device tree.
> 
> Signed-off-by: Alistair Francis <alistair@alistair23.me>
> ---
>  drivers/input/touchscreen/wacom_i2c.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/input/touchscreen/wacom_i2c.c b/drivers/input/touchscreen/wacom_i2c.c
> index 22826c387da5..6053595f2b30 100644
> --- a/drivers/input/touchscreen/wacom_i2c.c
> +++ b/drivers/input/touchscreen/wacom_i2c.c
> @@ -12,6 +12,7 @@
>  #include <linux/slab.h>
>  #include <linux/irq.h>
>  #include <linux/interrupt.h>
> +#include <linux/of.h>
>  #include <asm/unaligned.h>
>  
>  #define WACOM_CMD_QUERY0	0x04
> @@ -241,10 +242,17 @@ static const struct i2c_device_id wacom_i2c_id[] = {
>  };
>  MODULE_DEVICE_TABLE(i2c, wacom_i2c_id);
>  
> +static const struct of_device_id wacom_i2c_of_match_table[] = {
> +	{ .compatible = "wacom,i2c-30" },

What is this compatible?

> +	{}
> +};
> +MODULE_DEVICE_TABLE(of, wacom_i2c_of_match_table);
> +
>  static struct i2c_driver wacom_i2c_driver = {
>  	.driver	= {
>  		.name	= "wacom_i2c",
>  		.pm	= &wacom_i2c_pm,
> +		.of_match_table = wacom_i2c_of_match_table,
>  	},
>  
>  	.probe		= wacom_i2c_probe,
> -- 
> 2.31.1
>
Alistair Francis June 15, 2021, 9:19 p.m. UTC | #2
On Wed, Jun 16, 2021 at 2:55 AM Dmitry Torokhov
<dmitry.torokhov@gmail.com> wrote:
>
> On Tue, Jun 15, 2021 at 08:30:08PM +1000, Alistair Francis wrote:
> > Allow the wacom-i2c device to be exposed via device tree.
> >
> > Signed-off-by: Alistair Francis <alistair@alistair23.me>
> > ---
> >  drivers/input/touchscreen/wacom_i2c.c | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> >
> > diff --git a/drivers/input/touchscreen/wacom_i2c.c b/drivers/input/touchscreen/wacom_i2c.c
> > index 22826c387da5..6053595f2b30 100644
> > --- a/drivers/input/touchscreen/wacom_i2c.c
> > +++ b/drivers/input/touchscreen/wacom_i2c.c
> > @@ -12,6 +12,7 @@
> >  #include <linux/slab.h>
> >  #include <linux/irq.h>
> >  #include <linux/interrupt.h>
> > +#include <linux/of.h>
> >  #include <asm/unaligned.h>
> >
> >  #define WACOM_CMD_QUERY0     0x04
> > @@ -241,10 +242,17 @@ static const struct i2c_device_id wacom_i2c_id[] = {
> >  };
> >  MODULE_DEVICE_TABLE(i2c, wacom_i2c_id);
> >
> > +static const struct of_device_id wacom_i2c_of_match_table[] = {
> > +     { .compatible = "wacom,i2c-30" },
>
> What is this compatible?

Sorry, I updated it here but missed the previous patch documentation.

It's wacom, connected via I2C and then version 30.

I'll fixup the documentation.

Alistair

>
> > +     {}
> > +};
> > +MODULE_DEVICE_TABLE(of, wacom_i2c_of_match_table);
> > +
> >  static struct i2c_driver wacom_i2c_driver = {
> >       .driver = {
> >               .name   = "wacom_i2c",
> >               .pm     = &wacom_i2c_pm,
> > +             .of_match_table = wacom_i2c_of_match_table,
> >       },
> >
> >       .probe          = wacom_i2c_probe,
> > --
> > 2.31.1
> >
>
> --
> Dmitry
diff mbox series

Patch

diff --git a/drivers/input/touchscreen/wacom_i2c.c b/drivers/input/touchscreen/wacom_i2c.c
index 22826c387da5..6053595f2b30 100644
--- a/drivers/input/touchscreen/wacom_i2c.c
+++ b/drivers/input/touchscreen/wacom_i2c.c
@@ -12,6 +12,7 @@ 
 #include <linux/slab.h>
 #include <linux/irq.h>
 #include <linux/interrupt.h>
+#include <linux/of.h>
 #include <asm/unaligned.h>
 
 #define WACOM_CMD_QUERY0	0x04
@@ -241,10 +242,17 @@  static const struct i2c_device_id wacom_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, wacom_i2c_id);
 
+static const struct of_device_id wacom_i2c_of_match_table[] = {
+	{ .compatible = "wacom,i2c-30" },
+	{}
+};
+MODULE_DEVICE_TABLE(of, wacom_i2c_of_match_table);
+
 static struct i2c_driver wacom_i2c_driver = {
 	.driver	= {
 		.name	= "wacom_i2c",
 		.pm	= &wacom_i2c_pm,
+		.of_match_table = wacom_i2c_of_match_table,
 	},
 
 	.probe		= wacom_i2c_probe,