[PATCH v3 1/2] of: Add vendor prefix for Aptina Imaging

[PATCH v3 1/2] of: Add vendor prefix for Aptina Imaging

[Laurent Pinchart]

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
 1 file changed, 1 insertion(+)

Aptina has recently been acquired by ON Semiconductor, but the name Aptina is
still widely used. Should the onnn prefix be used instead ?

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index 389ca13..4326f52 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -20,6 +20,7 @@ amlogic	Amlogic, Inc.
 ams	AMS AG
 amstaos	AMS-Taos Inc.
 apm	Applied Micro Circuits Corporation (APM)
+aptina	Aptina Imaging
 arm	ARM Ltd.
 armadeus	ARMadeus Systems SARL
 asahi-kasei	Asahi Kasei Corp.
-- 
Regards,

Laurent Pinchart

[PATCH v3 2/2] v4l: mt9v032: Add OF support

[Laurent Pinchart]

Parse DT properties into a platform data structure when a DT node is
available.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

---

Changes since v2:

- Use of_graph_get_next_endpoint()

Changes since v1:

- Add MT9V02[24] compatible strings
- Prefix all compatible strings with "aptina,"
- Use "link-frequencies" instead of "link-freqs"

Open questions:

- Should the color/monochrome model be inferred from the compatible string, or
  should a separate DT property be used for that ?

---
 .../devicetree/bindings/media/i2c/mt9v032.txt      | 45 ++++++++++++++
 MAINTAINERS                                        |  1 +
 drivers/media/i2c/mt9v032.c                        | 70 +++++++++++++++++++++-
 3 files changed, 115 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/media/i2c/mt9v032.txt

diff --git a/Documentation/devicetree/bindings/media/i2c/mt9v032.txt b/Documentation/devicetree/bindings/media/i2c/mt9v032.txt
new file mode 100644
index 0000000..68b134e
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/mt9v032.txt
@@ -0,0 +1,45 @@
+* Aptina 1/3-Inch WVGA CMOS Digital Image Sensor
+
+The Aptina MT9V032 is a 1/3-inch CMOS active pixel digital image sensor with
+an active array size of 752H x 480V. It is programmable through a simple
+two-wire serial interface.
+
+Required Properties:
+
+- compatible: value should be either one among the following
+	(a) "aptina,mt9v022" for MT9V022 color sensor
+	(b) "aptina,mt9v022m" for MT9V022 monochrome sensor
+	(c) "aptina,mt9v024" for MT9V024 color sensor
+	(d) "aptina,mt9v024m" for MT9V024 monochrome sensor
+	(e) "aptina,mt9v032" for MT9V032 color sensor
+	(f) "aptina,mt9v032m" for MT9V032 monochrome sensor
+	(g) "aptina,mt9v034" for MT9V034 color sensor
+	(h) "aptina,mt9v034m" for MT9V034 monochrome sensor
+
+Optional Properties:
+
+- link-frequencies: List of allowed link frequencies in Hz. Each frequency is
+	expressed as a 64-bit big-endian integer.
+
+For further reading on port node refer to
+Documentation/devicetree/bindings/media/video-interfaces.txt.
+
+Example:
+
+	i2c0@1c22000 {
+		...
+		...
+		mt9v032@5c {
+			compatible = "aptina,mt9v032";
+			reg = <0x5c>;
+
+			port {
+				mt9v032_1: endpoint {
+					link-frequencies =
+						<0 13000000>, <0 26600000>,
+						<0 27000000>;
+				};
+			};
+		};
+		...
+	};
diff --git a/MAINTAINERS b/MAINTAINERS
index ddc5a8c..180f6fb 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6535,6 +6535,7 @@ M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
 L:	linux-media@vger.kernel.org
 T:	git git://linuxtv.org/media_tree.git
 S:	Maintained
+F:	Documentation/devicetree/bindings/media/i2c/mt9v032.txt
 F:	drivers/media/i2c/mt9v032.c
 F:	include/media/mt9v032.h
 
diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
index 255ea91..139eeef 100644
--- a/drivers/media/i2c/mt9v032.c
+++ b/drivers/media/i2c/mt9v032.c
@@ -17,6 +17,8 @@
 #include <linux/i2c.h>
 #include <linux/log2.h>
 #include <linux/mutex.h>
+#include <linux/of.h>
+#include <linux/of_gpio.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
 #include <linux/videodev2.h>
@@ -26,6 +28,7 @@
 #include <media/mt9v032.h>
 #include <media/v4l2-ctrls.h>
 #include <media/v4l2-device.h>
+#include <media/v4l2-of.h>
 #include <media/v4l2-subdev.h>
 
 /* The first four rows are black rows. The active area spans 753x481 pixels. */
@@ -876,10 +879,59 @@ static const struct regmap_config mt9v032_regmap_config = {
  * Driver initialization and probing
  */
 
+static struct mt9v032_platform_data *
+mt9v032_get_pdata(struct i2c_client *client)
+{
+	struct mt9v032_platform_data *pdata;
+	struct v4l2_of_endpoint endpoint;
+	struct device_node *np;
+	struct property *prop;
+
+	if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
+		return client->dev.platform_data;
+
+	np = of_graph_get_next_endpoint(client->dev.of_node, NULL);
+	if (!np)
+		return NULL;
+
+	if (v4l2_of_parse_endpoint(np, &endpoint) < 0)
+		goto done;
+
+	pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
+	if (!pdata)
+		goto done;
+
+	prop = of_find_property(np, "link-frequencies", NULL);
+	if (prop) {
+		size_t size = prop->length / 8;
+		u64 *link_freqs;
+
+		link_freqs = devm_kzalloc(&client->dev,
+					  size * sizeof(*link_freqs),
+					  GFP_KERNEL);
+		if (!link_freqs)
+			goto done;
+
+		if (of_property_read_u64_array(np, "link-frequencies",
+					       link_freqs, size) < 0)
+			goto done;
+
+		pdata->link_freqs = link_freqs;
+		pdata->link_def_freq = link_freqs[0];
+	}
+
+	pdata->clk_pol = !!(endpoint.bus.parallel.flags &
+			    V4L2_MBUS_PCLK_SAMPLE_RISING);
+
+done:
+	of_node_put(np);
+	return pdata;
+}
+
 static int mt9v032_probe(struct i2c_client *client,
 		const struct i2c_device_id *did)
 {
-	struct mt9v032_platform_data *pdata = client->dev.platform_data;
+	struct mt9v032_platform_data *pdata = mt9v032_get_pdata(client);
 	struct mt9v032 *mt9v032;
 	unsigned int i;
 	int ret;
@@ -1037,9 +1089,25 @@ static const struct i2c_device_id mt9v032_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, mt9v032_id);
 
+#if IS_ENABLED(CONFIG_OF)
+static const struct of_device_id mt9v032_of_match[] = {
+	{ .compatible = "aptina,mt9v022" },
+	{ .compatible = "aptina,mt9v022m" },
+	{ .compatible = "aptina,mt9v024" },
+	{ .compatible = "aptina,mt9v024m" },
+	{ .compatible = "aptina,mt9v032" },
+	{ .compatible = "aptina,mt9v032m" },
+	{ .compatible = "aptina,mt9v034" },
+	{ .compatible = "aptina,mt9v034m" },
+	{ /* Sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, mt9v032_of_match);
+#endif
+
 static struct i2c_driver mt9v032_driver = {
 	.driver = {
 		.name = "mt9v032",
+		.of_match_table = of_match_ptr(mt9v032_of_match),
 	},
 	.probe		= mt9v032_probe,
 	.remove		= mt9v032_remove,
-- 
Regards,

Laurent Pinchart

Re: [PATCH v3 2/2] v4l: mt9v032: Add OF support

[Sakari Ailus]

Hi Laurent,

On Sat, Mar 14, 2015 at 04:57:37PM +0200, Laurent Pinchart wrote:
...
> diff --git a/Documentation/devicetree/bindings/media/i2c/mt9v032.txt b/Documentation/devicetree/bindings/media/i2c/mt9v032.txt
> new file mode 100644
> index 0000000..68b134e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/i2c/mt9v032.txt
> @@ -0,0 +1,45 @@
> +* Aptina 1/3-Inch WVGA CMOS Digital Image Sensor
> +
> +The Aptina MT9V032 is a 1/3-inch CMOS active pixel digital image sensor with
> +an active array size of 752H x 480V. It is programmable through a simple
> +two-wire serial interface.
> +
> +Required Properties:
> +
> +- compatible: value should be either one among the following
> +	(a) "aptina,mt9v022" for MT9V022 color sensor
> +	(b) "aptina,mt9v022m" for MT9V022 monochrome sensor
> +	(c) "aptina,mt9v024" for MT9V024 color sensor
> +	(d) "aptina,mt9v024m" for MT9V024 monochrome sensor
> +	(e) "aptina,mt9v032" for MT9V032 color sensor
> +	(f) "aptina,mt9v032m" for MT9V032 monochrome sensor
> +	(g) "aptina,mt9v034" for MT9V034 color sensor
> +	(h) "aptina,mt9v034m" for MT9V034 monochrome sensor
> +
> +Optional Properties:
> +
> +- link-frequencies: List of allowed link frequencies in Hz. Each frequency is
> +	expressed as a 64-bit big-endian integer.
> +
> +For further reading on port node refer to
> +Documentation/devicetree/bindings/media/video-interfaces.txt.
> +
> +Example:
> +
> +	i2c0@1c22000 {
> +		...
> +		...
> +		mt9v032@5c {
> +			compatible = "aptina,mt9v032";
> +			reg = <0x5c>;
> +
> +			port {
> +				mt9v032_1: endpoint {
> +					link-frequencies =
> +						<0 13000000>, <0 26600000>,

How about:

/bits/ 64 <13000000> ...

> +						<0 27000000>;
> +				};
> +			};
> +		};
> +		...
> +	};
> diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
> index 255ea91..139eeef 100644
> --- a/drivers/media/i2c/mt9v032.c
> +++ b/drivers/media/i2c/mt9v032.c
> @@ -17,6 +17,8 @@
>  #include <linux/i2c.h>
>  #include <linux/log2.h>
>  #include <linux/mutex.h>
> +#include <linux/of.h>
> +#include <linux/of_gpio.h>
>  #include <linux/regmap.h>
>  #include <linux/slab.h>
>  #include <linux/videodev2.h>
> @@ -26,6 +28,7 @@
>  #include <media/mt9v032.h>
>  #include <media/v4l2-ctrls.h>
>  #include <media/v4l2-device.h>
> +#include <media/v4l2-of.h>
>  #include <media/v4l2-subdev.h>
>  
>  /* The first four rows are black rows. The active area spans 753x481 pixels. */
> @@ -876,10 +879,59 @@ static const struct regmap_config mt9v032_regmap_config = {
>   * Driver initialization and probing
>   */
>  
> +static struct mt9v032_platform_data *
> +mt9v032_get_pdata(struct i2c_client *client)
> +{
> +	struct mt9v032_platform_data *pdata;
> +	struct v4l2_of_endpoint endpoint;
> +	struct device_node *np;
> +	struct property *prop;
> +
> +	if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
> +		return client->dev.platform_data;
> +
> +	np = of_graph_get_next_endpoint(client->dev.of_node, NULL);
> +	if (!np)
> +		return NULL;
> +
> +	if (v4l2_of_parse_endpoint(np, &endpoint) < 0)
> +		goto done;
> +
> +	pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
> +	if (!pdata)
> +		goto done;
> +
> +	prop = of_find_property(np, "link-frequencies", NULL);
> +	if (prop) {
> +		size_t size = prop->length / 8;
> +		u64 *link_freqs;
> +
> +		link_freqs = devm_kzalloc(&client->dev,
> +					  size * sizeof(*link_freqs),

You could simply use prop->length here. I think that'd look nicer.

> +					  GFP_KERNEL);
> +		if (!link_freqs)
> +			goto done;
> +
> +		if (of_property_read_u64_array(np, "link-frequencies",
> +					       link_freqs, size) < 0)
> +			goto done;
> +
> +		pdata->link_freqs = link_freqs;
> +		pdata->link_def_freq = link_freqs[0];
> +	}
> +
> +	pdata->clk_pol = !!(endpoint.bus.parallel.flags &
> +			    V4L2_MBUS_PCLK_SAMPLE_RISING);
> +
> +done:
> +	of_node_put(np);
> +	return pdata;
> +}
> +
>  static int mt9v032_probe(struct i2c_client *client,
>  		const struct i2c_device_id *did)
>  {
> -	struct mt9v032_platform_data *pdata = client->dev.platform_data;
> +	struct mt9v032_platform_data *pdata = mt9v032_get_pdata(client);
>  	struct mt9v032 *mt9v032;
>  	unsigned int i;
>  	int ret;
> @@ -1037,9 +1089,25 @@ static const struct i2c_device_id mt9v032_id[] = {
>  };
>  MODULE_DEVICE_TABLE(i2c, mt9v032_id);
>  
> +#if IS_ENABLED(CONFIG_OF)
> +static const struct of_device_id mt9v032_of_match[] = {
> +	{ .compatible = "aptina,mt9v022" },
> +	{ .compatible = "aptina,mt9v022m" },
> +	{ .compatible = "aptina,mt9v024" },
> +	{ .compatible = "aptina,mt9v024m" },
> +	{ .compatible = "aptina,mt9v032" },
> +	{ .compatible = "aptina,mt9v032m" },
> +	{ .compatible = "aptina,mt9v034" },
> +	{ .compatible = "aptina,mt9v034m" },
> +	{ /* Sentinel */ }
> +};
> +MODULE_DEVICE_TABLE(of, mt9v032_of_match);
> +#endif
> +
>  static struct i2c_driver mt9v032_driver = {
>  	.driver = {
>  		.name = "mt9v032",
> +		.of_match_table = of_match_ptr(mt9v032_of_match),
>  	},
>  	.probe		= mt9v032_probe,
>  	.remove		= mt9v032_remove,

-- 
Kind regards,

Sakari Ailus
e-mail: sakari.ailus-X3B1VOXEql0@public.gmane.org	XMPP: sailus-PCDdDYkjdNMDXYZnReoRVg@public.gmane.org
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Re: [PATCH v3 2/2] v4l: mt9v032: Add OF support

[Laurent Pinchart]

Hi Sakari,

On Sunday 15 March 2015 02:21:07 Sakari Ailus wrote:
> On Sat, Mar 14, 2015 at 04:57:37PM +0200, Laurent Pinchart wrote:
> ...
> 
> > diff --git a/Documentation/devicetree/bindings/media/i2c/mt9v032.txt
> > b/Documentation/devicetree/bindings/media/i2c/mt9v032.txt new file mode
> > 100644
> > index 0000000..68b134e
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/media/i2c/mt9v032.txt
> > @@ -0,0 +1,45 @@
> > +* Aptina 1/3-Inch WVGA CMOS Digital Image Sensor
> > +
> > +The Aptina MT9V032 is a 1/3-inch CMOS active pixel digital image sensor
> > with +an active array size of 752H x 480V. It is programmable through a
> > simple +two-wire serial interface.
> > +
> > +Required Properties:
> > +
> > +- compatible: value should be either one among the following
> > +	(a) "aptina,mt9v022" for MT9V022 color sensor
> > +	(b) "aptina,mt9v022m" for MT9V022 monochrome sensor
> > +	(c) "aptina,mt9v024" for MT9V024 color sensor
> > +	(d) "aptina,mt9v024m" for MT9V024 monochrome sensor
> > +	(e) "aptina,mt9v032" for MT9V032 color sensor
> > +	(f) "aptina,mt9v032m" for MT9V032 monochrome sensor
> > +	(g) "aptina,mt9v034" for MT9V034 color sensor
> > +	(h) "aptina,mt9v034m" for MT9V034 monochrome sensor
> > +
> > +Optional Properties:
> > +
> > +- link-frequencies: List of allowed link frequencies in Hz. Each
> > frequency is +	expressed as a 64-bit big-endian integer.
> > +
> > +For further reading on port node refer to
> > +Documentation/devicetree/bindings/media/video-interfaces.txt.
> > +
> > +Example:
> > +
> > +	i2c0@1c22000 {
> > +		...
> > +		...
> > +		mt9v032@5c {
> > +			compatible = "aptina,mt9v032";
> > +			reg = <0x5c>;
> > +
> > +			port {
> > +				mt9v032_1: endpoint {
> > +					link-frequencies =
> > +						<0 13000000>, <0 26600000>,
> 
> How about:
> 
> /bits/ 64 <13000000> ...

Absolutely.

> > +						<0 27000000>;
> > +				};
> > +			};
> > +		};
> > +		...
> > +	};
> > diff --git a/drivers/media/i2c/mt9v032.c b/drivers/media/i2c/mt9v032.c
> > index 255ea91..139eeef 100644
> > --- a/drivers/media/i2c/mt9v032.c
> > +++ b/drivers/media/i2c/mt9v032.c

[snip]

> > @@ -876,10 +879,59 @@ static const struct regmap_config
> > mt9v032_regmap_config = {> 
> >   * Driver initialization and probing
> >   */
> > 
> > +static struct mt9v032_platform_data *
> > +mt9v032_get_pdata(struct i2c_client *client)
> > +{
> > +	struct mt9v032_platform_data *pdata;
> > +	struct v4l2_of_endpoint endpoint;
> > +	struct device_node *np;
> > +	struct property *prop;
> > +
> > +	if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
> > +		return client->dev.platform_data;
> > +
> > +	np = of_graph_get_next_endpoint(client->dev.of_node, NULL);
> > +	if (!np)
> > +		return NULL;
> > +
> > +	if (v4l2_of_parse_endpoint(np, &endpoint) < 0)
> > +		goto done;
> > +
> > +	pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
> > +	if (!pdata)
> > +		goto done;
> > +
> > +	prop = of_find_property(np, "link-frequencies", NULL);
> > +	if (prop) {
> > +		size_t size = prop->length / 8;
> > +		u64 *link_freqs;
> > +
> > +		link_freqs = devm_kzalloc(&client->dev,
> > +					  size * sizeof(*link_freqs),
> 
> You could simply use prop->length here. I think that'd look nicer.

How about devm_kcalloc(&client->dev, size, sizeof(*link_freqs)) as this is 
allocating an array ?

> > +					  GFP_KERNEL);
> > +		if (!link_freqs)
> > +			goto done;
> > +
> > +		if (of_property_read_u64_array(np, "link-frequencies",
> > +					       link_freqs, size) < 0)
> > +			goto done;
> > +
> > +		pdata->link_freqs = link_freqs;
> > +		pdata->link_def_freq = link_freqs[0];
> > +	}
> > +
> > +	pdata->clk_pol = !!(endpoint.bus.parallel.flags &
> > +			    V4L2_MBUS_PCLK_SAMPLE_RISING);
> > +
> > +done:
> > +	of_node_put(np);
> > +	return pdata;
> > +}

-- 
Regards,

Laurent Pinchart

Re: [PATCH v3 2/2] v4l: mt9v032: Add OF support

[Sakari Ailus]

Hi Laurent,

On Wed, Mar 18, 2015 at 03:32:28PM +0200, Laurent Pinchart wrote:
...
> > > @@ -876,10 +879,59 @@ static const struct regmap_config
> > > mt9v032_regmap_config = {> 
> > >   * Driver initialization and probing
> > >   */
> > > 
> > > +static struct mt9v032_platform_data *
> > > +mt9v032_get_pdata(struct i2c_client *client)
> > > +{
> > > +	struct mt9v032_platform_data *pdata;
> > > +	struct v4l2_of_endpoint endpoint;
> > > +	struct device_node *np;
> > > +	struct property *prop;
> > > +
> > > +	if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node)
> > > +		return client->dev.platform_data;
> > > +
> > > +	np = of_graph_get_next_endpoint(client->dev.of_node, NULL);
> > > +	if (!np)
> > > +		return NULL;
> > > +
> > > +	if (v4l2_of_parse_endpoint(np, &endpoint) < 0)
> > > +		goto done;
> > > +
> > > +	pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL);
> > > +	if (!pdata)
> > > +		goto done;
> > > +
> > > +	prop = of_find_property(np, "link-frequencies", NULL);
> > > +	if (prop) {
> > > +		size_t size = prop->length / 8;
> > > +		u64 *link_freqs;
> > > +
> > > +		link_freqs = devm_kzalloc(&client->dev,
> > > +					  size * sizeof(*link_freqs),
> > 
> > You could simply use prop->length here. I think that'd look nicer.
> 
> How about devm_kcalloc(&client->dev, size, sizeof(*link_freqs)) as this is 
> allocating an array ?

That's certainly fine as well, I think. Feel free to divide prop->length by
sizeof(*link_freqs) instead of plain 8.

-- 
Sakari Ailus
e-mail: sakari.ailus@iki.fi	XMPP: sailus@retiisi.org.uk

Re: [PATCH v3 1/2] of: Add vendor prefix for Aptina Imaging

[Laurent Pinchart]

Hello,

Gentle ping to the DT maintainers for this (hopefully) simple bikeshedding 
question.

On Saturday 14 March 2015 16:57:36 Laurent Pinchart wrote:
> Signed-off-by: Laurent Pinchart <laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>
> ---
>  Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
>  1 file changed, 1 insertion(+)
> 
> Aptina has recently been acquired by ON Semiconductor, but the name Aptina
> is still widely used. Should the onnn prefix be used instead ?
> 
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
> b/Documentation/devicetree/bindings/vendor-prefixes.txt index
> 389ca13..4326f52 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -20,6 +20,7 @@ amlogic	Amlogic, Inc.
>  ams	AMS AG
>  amstaos	AMS-Taos Inc.
>  apm	Applied Micro Circuits Corporation (APM)
> +aptina	Aptina Imaging
>  arm	ARM Ltd.
>  armadeus	ARMadeus Systems SARL
>  asahi-kasei	Asahi Kasei Corp.

-- 
Regards,

Laurent Pinchart

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Re: [PATCH v3 1/2] of: Add vendor prefix for Aptina Imaging

[Rob Herring]

On Sat, Mar 14, 2015 at 9:57 AM, Laurent Pinchart
<laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org> wrote:
> Signed-off-by: Laurent Pinchart <laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>
> ---
>  Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
>  1 file changed, 1 insertion(+)
>
> Aptina has recently been acquired by ON Semiconductor, but the name Aptina is
> still widely used. Should the onnn prefix be used instead ?

Using aptina is fine.

Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

Rob

>
> diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
> index 389ca13..4326f52 100644
> --- a/Documentation/devicetree/bindings/vendor-prefixes.txt
> +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
> @@ -20,6 +20,7 @@ amlogic       Amlogic, Inc.
>  ams    AMS AG
>  amstaos        AMS-Taos Inc.
>  apm    Applied Micro Circuits Corporation (APM)
> +aptina Aptina Imaging
>  arm    ARM Ltd.
>  armadeus       ARMadeus Systems SARL
>  asahi-kasei    Asahi Kasei Corp.
> --
> Regards,
>
> Laurent Pinchart
>
> --
> To unsubscribe from this list: send the line "unsubscribe devicetree" in
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
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