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[v1,6/7] input: cyapa: add of match device support and description document

Message ID 1434358897-24668-7-git-send-email-dudl@cypress.com
State Needs Review / ACK, archived
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Commit Message

Dudley Du June 15, 2015, 9:01 a.m. UTC
Add of_match_device mechanism support for Cypress trackpad device, and
add the sample description document of adding the trackpad device node in
device tree.
TEST=test on Chromebook.

Signed-off-by: Dudley Du <dudl@cypress.com>
---
 .../devicetree/bindings/input/cypress,cyapa.txt    | 44 ++++++++++++++++++++++
 .../devicetree/bindings/vendor-prefixes.txt        |  1 +
 drivers/input/mouse/cyapa.c                        | 10 +++++
 3 files changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/cypress,cyapa.txt

Comments

Dmitry Torokhov July 21, 2015, 12:15 a.m. UTC | #1
On Mon, Jun 15, 2015 at 05:01:36PM +0800, Dudley Du wrote:
> Add of_match_device mechanism support for Cypress trackpad device, and
> add the sample description document of adding the trackpad device node in
> device tree.
> TEST=test on Chromebook.
> 
> Signed-off-by: Dudley Du <dudl@cypress.com>
> ---
>  .../devicetree/bindings/input/cypress,cyapa.txt    | 44 ++++++++++++++++++++++
>  .../devicetree/bindings/vendor-prefixes.txt        |  1 +
>  drivers/input/mouse/cyapa.c                        | 10 +++++
>  3 files changed, 55 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/input/cypress,cyapa.txt
> 
> diff --git a/Documentation/devicetree/bindings/input/cypress,cyapa.txt b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
> new file mode 100644
> index 0000000..9be2b44
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
> @@ -0,0 +1,44 @@
> +Cypress I2C Touchpad
> +
> +Required properties:
> +- compatible: must be "cypress,cyapa".
> +- reg: I2C address of the chip.
> +- interrupt-parent: a phandle for the interrupt controller (see interrupt
> +  binding[0]).
> +- interrupts: interrupt to which the chip is connected (see interrupt
> +  binding[0]).
> +
> +Optional properties:
> +- wakeup-source: touchpad can be used as a wakeup source.
> +- pinctrl-names: should be "default" (see pinctrl binding [1]).
> +- pinctrl-0: a phandle pointing to the pin settings for the device (see
> +  pinctrl binding [1]).
> +- vcc-supply: a phandle for the regulator supplying 3.3V power.

I do not see it being used in the driver?

> +
> +[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> +[1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
> +
> +Example:
> +	&i2c0 {
> +		/* ... */
> +
> +		/* Cypress Gen3 touchpad */
> +		touchpad@67 {
> +			compatible = "cypress,cyapa";
> +			reg = <0x24>;
> +			interrupt-parent = <&gpio>;
> +			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;	/* GPIO 2 */
> +			wakeup-source;
> +		};
> +
> +		/* Cypress Gen5 and later touchpad */
> +		touchpad@24 {
> +			compatible = "cypress,cyapa";
> +			reg = <0x24>;
> +			interrupt-parent = <&gpio>;
> +			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;	/* GPIO 2 */
> +			wakeup-source;
> +		};
> +
> +		/* ... */
> +	};
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index ee2ce7b..e43d532 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -54,6 +54,7 @@ cortina	Cortina Systems, Inc.
>  cosmic	Cosmic Circuits
>  crystalfontz	Crystalfontz America, Inc.
>  cubietech	Cubietech, Ltd.
> +cypress	Cypress Semiconductor Corporation
>  dallas	Maxim Integrated Products (formerly Dallas Semiconductor)
>  davicom	DAVICOM Semiconductor, Inc.
>  delta	Delta Electronics, Inc.
> diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c
> index 4e69594..7b6d6d4 100644
> --- a/drivers/input/mouse/cyapa.c
> +++ b/drivers/input/mouse/cyapa.c
> @@ -25,6 +25,7 @@
>  #include <linux/uaccess.h>
>  #include <linux/pm_runtime.h>
>  #include <linux/acpi.h>
> +#include <linux/of.h>
>  #include "cyapa.h"
>  
>  
> @@ -1562,12 +1563,21 @@ static const struct acpi_device_id cyapa_acpi_id[] = {
>  MODULE_DEVICE_TABLE(acpi, cyapa_acpi_id);
>  #endif
>  
> +#ifdef CONFIG_OF
> +static const struct of_device_id cyapa_of_match[] = {
> +	{ .compatible = "cypress,cyapa" },
> +	{ /* sentinel */ }
> +};
> +MODULE_DEVICE_TABLE(of, cyapa_of_match);
> +#endif
> +
>  static struct i2c_driver cyapa_driver = {
>  	.driver = {
>  		.name = "cyapa",
>  		.owner = THIS_MODULE,
>  		.pm = &cyapa_pm_ops,
>  		.acpi_match_table = ACPI_PTR(cyapa_acpi_id),
> +		.of_match_table = of_match_ptr(cyapa_of_match),
>  	},
>  
>  	.probe = cyapa_probe,
> -- 
> 1.9.1
> 
> 
> ---------------------------------------------------------------
> This message and any attachments may contain Cypress (or its
> subsidiaries) confidential information. If it has been received
> in error, please advise the sender and immediately delete this
> message.
> ---------------------------------------------------------------
>
Dudley Du July 21, 2015, 2:15 a.m. UTC | #2
> -----Original Message-----
> From: Dmitry Torokhov [mailto:dmitry.torokhov@gmail.com]
> Sent: 2015?7?21? 8:15
> To: Dudley Du
> Cc: mark.rutland@arm.com; robh+dt@kernel.org; rydberg@euromail.se;
> bleung@google.com; jmmahler@gmail.com; devicetree@vger.kernel.org;
> linux-input@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: Re: [PATCH v1 6/7] input: cyapa: add of match device support and
> description document
>
> On Mon, Jun 15, 2015 at 05:01:36PM +0800, Dudley Du wrote:
> > Add of_match_device mechanism support for Cypress trackpad device, and
> > add the sample description document of adding the trackpad device node in
> > device tree.
> > TEST=test on Chromebook.
> >
> > Signed-off-by: Dudley Du <dudl@cypress.com>
> > ---
> >  .../devicetree/bindings/input/cypress,cyapa.txt    | 44
> ++++++++++++++++++++++
> >  .../devicetree/bindings/vendor-prefixes.txt        |  1 +
> >  drivers/input/mouse/cyapa.c                        | 10 +++++
> >  3 files changed, 55 insertions(+)
> >  create mode 100644
> Documentation/devicetree/bindings/input/cypress,cyapa.txt
> >
> > diff --git a/Documentation/devicetree/bindings/input/cypress,cyapa.txt
> b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
> > new file mode 100644
> > index 0000000..9be2b44
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
> > @@ -0,0 +1,44 @@
> > +Cypress I2C Touchpad
> > +
> > +Required properties:
> > +- compatible: must be "cypress,cyapa".
> > +- reg: I2C address of the chip.
> > +- interrupt-parent: a phandle for the interrupt controller (see interrupt
> > +  binding[0]).
> > +- interrupts: interrupt to which the chip is connected (see interrupt
> > +  binding[0]).
> > +
> > +Optional properties:
> > +- wakeup-source: touchpad can be used as a wakeup source.
> > +- pinctrl-names: should be "default" (see pinctrl binding [1]).
> > +- pinctrl-0: a phandle pointing to the pin settings for the device (see
> > +  pinctrl binding [1]).
> > +- vcc-supply: a phandle for the regulator supplying 3.3V power.
>
> I do not see it being used in the driver?

Thanks, I will add the vcc-supply code in the cyapa_probe routine.
And resubmit this patch.


>
> > +
> > +[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
> > +[1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
> > +
> > +Example:
> > +&i2c0 {
> > +/* ... */
> > +
> > +/* Cypress Gen3 touchpad */
> > +touchpad@67 {
> > +compatible = "cypress,cyapa";
> > +reg = <0x24>;
> > +interrupt-parent = <&gpio>;
> > +interrupts = <2 IRQ_TYPE_EDGE_FALLING>;/* GPIO 2 */
> > +wakeup-source;
> > +};
> > +
> > +/* Cypress Gen5 and later touchpad */
> > +touchpad@24 {
> > +compatible = "cypress,cyapa";
> > +reg = <0x24>;
> > +interrupt-parent = <&gpio>;
> > +interrupts = <2 IRQ_TYPE_EDGE_FALLING>;/* GPIO 2 */
> > +wakeup-source;
> > +};
> > +
> > +/* ... */
> > +};
> > diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
> b/Documentation/devicetree/bindings/vendor-prefixes.txt
> > index ee2ce7b..e43d532 100644
> > --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> > +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> > @@ -54,6 +54,7 @@ cortinaCortina Systems, Inc.
> >  cosmicCosmic Circuits
> >  crystalfontzCrystalfontz America, Inc.
> >  cubietechCubietech, Ltd.
> > +cypressCypress Semiconductor Corporation
> >  dallasMaxim Integrated Products (formerly Dallas Semiconductor)
> >  davicomDAVICOM Semiconductor, Inc.
> >  deltaDelta Electronics, Inc.
> > diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c
> > index 4e69594..7b6d6d4 100644
> > --- a/drivers/input/mouse/cyapa.c
> > +++ b/drivers/input/mouse/cyapa.c
> > @@ -25,6 +25,7 @@
> >  #include <linux/uaccess.h>
> >  #include <linux/pm_runtime.h>
> >  #include <linux/acpi.h>
> > +#include <linux/of.h>
> >  #include "cyapa.h"
> >
> >
> > @@ -1562,12 +1563,21 @@ static const struct acpi_device_id cyapa_acpi_id[] =
> {
> >  MODULE_DEVICE_TABLE(acpi, cyapa_acpi_id);
> >  #endif
> >
> > +#ifdef CONFIG_OF
> > +static const struct of_device_id cyapa_of_match[] = {
> > +{ .compatible = "cypress,cyapa" },
> > +{ /* sentinel */ }
> > +};
> > +MODULE_DEVICE_TABLE(of, cyapa_of_match);
> > +#endif
> > +
> >  static struct i2c_driver cyapa_driver = {
> >  .driver = {
> >  .name = "cyapa",
> >  .owner = THIS_MODULE,
> >  .pm = &cyapa_pm_ops,
> >  .acpi_match_table = ACPI_PTR(cyapa_acpi_id),
> > +.of_match_table = of_match_ptr(cyapa_of_match),
> >  },
> >
> >  .probe = cyapa_probe,
> > --
> > 1.9.1
> >
> >
> > ---------------------------------------------------------------
> > This message and any attachments may contain Cypress (or its
> > subsidiaries) confidential information. If it has been received
> > in error, please advise the sender and immediately delete this
> > message.
> > ---------------------------------------------------------------
> >
>
> --
> Dmitry

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diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/input/cypress,cyapa.txt b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
new file mode 100644
index 0000000..9be2b44
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
@@ -0,0 +1,44 @@ 
+Cypress I2C Touchpad
+
+Required properties:
+- compatible: must be "cypress,cyapa".
+- reg: I2C address of the chip.
+- interrupt-parent: a phandle for the interrupt controller (see interrupt
+  binding[0]).
+- interrupts: interrupt to which the chip is connected (see interrupt
+  binding[0]).
+
+Optional properties:
+- wakeup-source: touchpad can be used as a wakeup source.
+- pinctrl-names: should be "default" (see pinctrl binding [1]).
+- pinctrl-0: a phandle pointing to the pin settings for the device (see
+  pinctrl binding [1]).
+- vcc-supply: a phandle for the regulator supplying 3.3V power.
+
+[0]: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
+[1]: Documentation/devicetree/bindings/pinctrl/pinctrl-bindings.txt
+
+Example:
+	&i2c0 {
+		/* ... */
+
+		/* Cypress Gen3 touchpad */
+		touchpad@67 {
+			compatible = "cypress,cyapa";
+			reg = <0x24>;
+			interrupt-parent = <&gpio>;
+			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;	/* GPIO 2 */
+			wakeup-source;
+		};
+
+		/* Cypress Gen5 and later touchpad */
+		touchpad@24 {
+			compatible = "cypress,cyapa";
+			reg = <0x24>;
+			interrupt-parent = <&gpio>;
+			interrupts = <2 IRQ_TYPE_EDGE_FALLING>;	/* GPIO 2 */
+			wakeup-source;
+		};
+
+		/* ... */
+	};
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index ee2ce7b..e43d532 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -54,6 +54,7 @@  cortina	Cortina Systems, Inc.
 cosmic	Cosmic Circuits
 crystalfontz	Crystalfontz America, Inc.
 cubietech	Cubietech, Ltd.
+cypress	Cypress Semiconductor Corporation
 dallas	Maxim Integrated Products (formerly Dallas Semiconductor)
 davicom	DAVICOM Semiconductor, Inc.
 delta	Delta Electronics, Inc.
diff --git a/drivers/input/mouse/cyapa.c b/drivers/input/mouse/cyapa.c
index 4e69594..7b6d6d4 100644
--- a/drivers/input/mouse/cyapa.c
+++ b/drivers/input/mouse/cyapa.c
@@ -25,6 +25,7 @@ 
 #include <linux/uaccess.h>
 #include <linux/pm_runtime.h>
 #include <linux/acpi.h>
+#include <linux/of.h>
 #include "cyapa.h"
 
 
@@ -1562,12 +1563,21 @@  static const struct acpi_device_id cyapa_acpi_id[] = {
 MODULE_DEVICE_TABLE(acpi, cyapa_acpi_id);
 #endif
 
+#ifdef CONFIG_OF
+static const struct of_device_id cyapa_of_match[] = {
+	{ .compatible = "cypress,cyapa" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, cyapa_of_match);
+#endif
+
 static struct i2c_driver cyapa_driver = {
 	.driver = {
 		.name = "cyapa",
 		.owner = THIS_MODULE,
 		.pm = &cyapa_pm_ops,
 		.acpi_match_table = ACPI_PTR(cyapa_acpi_id),
+		.of_match_table = of_match_ptr(cyapa_of_match),
 	},
 
 	.probe = cyapa_probe,