Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1423140Ab3FUOz3 (ORCPT ); Fri, 21 Jun 2013 10:55:29 -0400 Received: from www.linuxtv.org ([130.149.80.248]:38772 "EHLO www.linuxtv.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1423039Ab3FUOz2 (ORCPT ); Fri, 21 Jun 2013 10:55:28 -0400 X-Greylist: delayed 1304 seconds by postgrey-1.27 at vger.kernel.org; Fri, 21 Jun 2013 10:55:27 EDT Message-Id: From: Mauro Carvalho Chehab Date: Fri, 21 Jun 2013 16:29:09 +0200 Subject: [git:media_tree/master] [media] media: i2c: tvp514x: add OF support To: linuxtv-commits@linuxtv.org Cc: linux-kernel@vger.kernel.org, Grant Likely , Guennadi Liakhovetski , Lad@linuxtv.org, Prabhakar , Hans Verkuil , linux-doc@vger.kernel.org, devicetree-discuss@lists.ozlabs.org, Rob Herring , davinci-linux-open-source@linux.davincidsp.com, Sylwester Nawrocki , Sakari Ailus , Laurent Pinchart , Rob Landley Mail-followup-to: linux-media@vger.kernel.org Forward-to: linux-media@vger.kernel.org Reply-to: linux-media@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6260 Lines: 200 This is an automatic generated email to let you know that the following patch were queued at the http://git.linuxtv.org/media_tree.git tree: Subject: [media] media: i2c: tvp514x: add OF support Author: Lad, Prabhakar Date: Tue Jun 4 12:26:23 2013 -0300 add OF support for the tvp514x driver. Signed-off-by: Lad, Prabhakar Acked-by: Laurent Pinchart Cc: Hans Verkuil Cc: Mauro Carvalho Chehab Cc: Guennadi Liakhovetski Cc: Sylwester Nawrocki Cc: Sakari Ailus Cc: Grant Likely Cc: Rob Herring Cc: Rob Landley Cc: devicetree-discuss@lists.ozlabs.org Cc: linux-doc@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: davinci-linux-open-source@linux.davincidsp.com Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab .../devicetree/bindings/media/i2c/tvp514x.txt | 44 ++++++++++++++ drivers/media/i2c/tvp514x.c | 62 ++++++++++++++++++-- 2 files changed, 100 insertions(+), 6 deletions(-) --- http://git.linuxtv.org/media_tree.git?a=commitdiff;h=b610b5928dc04095b9b24b83e4ddbb399d933611 diff --git a/Documentation/devicetree/bindings/media/i2c/tvp514x.txt b/Documentation/devicetree/bindings/media/i2c/tvp514x.txt new file mode 100644 index 0000000..46752cc --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/tvp514x.txt @@ -0,0 +1,44 @@ +* Texas Instruments TVP514x video decoder + +The TVP5146/TVP5146m2/TVP5147/TVP5147m1 device is high quality, single-chip +digital video decoder that digitizes and decodes all popular baseband analog +video formats into digital video component. The tvp514x decoder supports analog- +to-digital (A/D) conversion of component RGB and YPbPr signals as well as A/D +conversion and decoding of NTSC, PAL and SECAM composite and S-video into +component YCbCr. + +Required Properties : +- compatible : value should be either one among the following + (a) "ti,tvp5146" for tvp5146 decoder. + (b) "ti,tvp5146m2" for tvp5146m2 decoder. + (c) "ti,tvp5147" for tvp5147 decoder. + (d) "ti,tvp5147m1" for tvp5147m1 decoder. + +- hsync-active: HSYNC Polarity configuration for endpoint. + +- vsync-active: VSYNC Polarity configuration for endpoint. + +- pclk-sample: Clock polarity of the endpoint. + +For further reading on port node refer to Documentation/devicetree/bindings/ +media/video-interfaces.txt. + +Example: + + i2c0@1c22000 { + ... + ... + tvp514x@5c { + compatible = "ti,tvp5146"; + reg = <0x5c>; + + port { + tvp514x_1: endpoint { + hsync-active = <1>; + vsync-active = <1>; + pclk-sample = <0>; + }; + }; + }; + ... + }; diff --git a/drivers/media/i2c/tvp514x.c b/drivers/media/i2c/tvp514x.c index b8061b5..864eb14 100644 --- a/drivers/media/i2c/tvp514x.c +++ b/drivers/media/i2c/tvp514x.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include #include @@ -1056,6 +1057,42 @@ static struct tvp514x_decoder tvp514x_dev = { }; +static struct tvp514x_platform_data * +tvp514x_get_pdata(struct i2c_client *client) +{ + struct tvp514x_platform_data *pdata; + struct v4l2_of_endpoint bus_cfg; + struct device_node *endpoint; + unsigned int flags; + + if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node) + return client->dev.platform_data; + + endpoint = v4l2_of_get_next_endpoint(client->dev.of_node, NULL); + if (!endpoint) + return NULL; + + pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + goto done; + + v4l2_of_parse_endpoint(endpoint, &bus_cfg); + flags = bus_cfg.bus.parallel.flags; + + if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) + pdata->hs_polarity = 1; + + if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) + pdata->vs_polarity = 1; + + if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) + pdata->clk_polarity = 1; + +done: + of_node_put(endpoint); + return pdata; +} + /** * tvp514x_probe() - decoder driver i2c probe handler * @client: i2c driver client device structure @@ -1067,19 +1104,20 @@ static struct tvp514x_decoder tvp514x_dev = { static int tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id) { + struct tvp514x_platform_data *pdata = tvp514x_get_pdata(client); struct tvp514x_decoder *decoder; struct v4l2_subdev *sd; int ret; + if (pdata == NULL) { + dev_err(&client->dev, "No platform data\n"); + return -EINVAL; + } + /* Check if the adapter supports the needed features */ if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -EIO; - if (!client->dev.platform_data) { - v4l2_err(client, "No platform data!!\n"); - return -ENODEV; - } - decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL); if (!decoder) return -ENOMEM; @@ -1091,7 +1129,7 @@ tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id) sizeof(tvp514x_reg_list_default)); /* Copy board specific information here */ - decoder->pdata = client->dev.platform_data; + decoder->pdata = pdata; /** * Fetch platform specific data, and configure the @@ -1231,8 +1269,20 @@ static const struct i2c_device_id tvp514x_id[] = { MODULE_DEVICE_TABLE(i2c, tvp514x_id); +#if IS_ENABLED(CONFIG_OF) +static const struct of_device_id tvp514x_of_match[] = { + { .compatible = "ti,tvp5146", }, + { .compatible = "ti,tvp5146m2", }, + { .compatible = "ti,tvp5147", }, + { .compatible = "ti,tvp5147m1", }, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, tvp514x_of_match); +#endif + static struct i2c_driver tvp514x_driver = { .driver = { + .of_match_table = of_match_ptr(tvp514x_of_match), .owner = THIS_MODULE, .name = TVP514X_MODULE_NAME, }, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/