From patchwork Fri Jun 16 13:59:18 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 13282824 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7B312EB64DA for ; Fri, 16 Jun 2023 14:01:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345684AbjFPOBy (ORCPT ); Fri, 16 Jun 2023 10:01:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51362 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345361AbjFPOBT (ORCPT ); Fri, 16 Jun 2023 10:01:19 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F67B3A9E; Fri, 16 Jun 2023 07:00:48 -0700 (PDT) Received: from desky.lan (91-154-35-171.elisa-laajakaista.fi [91.154.35.171]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 70E6013D2; Fri, 16 Jun 2023 15:59:59 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1686924001; bh=H61sLU+pMDMXwm3oliz8WTwPsmI2d35vuhKG80jM2uE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DHqU8tSfpK+qDd5oR/fqohDZAguo7YJzdvQbVbDtticn4TZsNLGTQ8bYOe/IB73IY YkaxU8oc9GIa5MT3unVYJ/EhyBsbpY+fJBNrx9iCycsL0RPDasbsJb47q+MxI+yODP MsQEwDiiJmT4ANv4QLmH7N5bQBMnnzpjmLInB5U8= From: Tomi Valkeinen To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org, Luca Ceresoli , Andy Shevchenko , Matti Vaittinen , Laurent Pinchart , Sakari Ailus Cc: Wolfram Sang , Rob Herring , Krzysztof Kozlowski , Mauro Carvalho Chehab , Peter Rosin , Liam Girdwood , Mark Brown , Michael Tretter , Hans Verkuil , Mike Pagano , =?utf-8?q?Krzysztof_Ha=C5=82asa?= , Marek Vasut , Satish Nagireddy , Tomi Valkeinen Subject: [PATCH v14 14/18] media: i2c: ds90ub913: Use v4l2_fwnode_endpoint_parse() Date: Fri, 16 Jun 2023 16:59:18 +0300 Message-Id: <20230616135922.442979-15-tomi.valkeinen@ideasonboard.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230616135922.442979-1-tomi.valkeinen@ideasonboard.com> References: <20230616135922.442979-1-tomi.valkeinen@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Use v4l2_fwnode_endpoint_parse() to parse the sink endpoint parameters. Signed-off-by: Tomi Valkeinen --- drivers/media/i2c/ds90ub913.c | 32 ++++++++++++++++++++------------ 1 file changed, 20 insertions(+), 12 deletions(-) diff --git a/drivers/media/i2c/ds90ub913.c b/drivers/media/i2c/ds90ub913.c index 203f7cceae23..9f95d0c44feb 100644 --- a/drivers/media/i2c/ds90ub913.c +++ b/drivers/media/i2c/ds90ub913.c @@ -21,6 +21,8 @@ #include #include +#include +#include #include #define UB913_PAD_SINK 0 @@ -83,7 +85,7 @@ struct ub913_data { struct ds90ub9xx_platform_data *plat_data; - u32 pclk_polarity; + u32 pclk_polarity_rising; }; static inline struct ub913_data *sd_to_ub913(struct v4l2_subdev *sd) @@ -675,25 +677,31 @@ static int ub913_add_i2c_adapter(struct ub913_data *priv) static int ub913_parse_dt(struct ub913_data *priv) { struct device *dev = &priv->client->dev; + struct v4l2_fwnode_endpoint vep = {}; struct fwnode_handle *ep_fwnode; int ret; ep_fwnode = fwnode_graph_get_endpoint_by_id(dev_fwnode(dev), UB913_PAD_SINK, 0, 0); - if (!ep_fwnode) { - dev_err_probe(dev, -ENOENT, "No sink endpoint\n"); - return -ENOENT; - } + if (!ep_fwnode) + return dev_err_probe(dev, -ENOENT, "No sink endpoint\n"); - ret = fwnode_property_read_u32(ep_fwnode, "pclk-sample", - &priv->pclk_polarity); + vep.bus_type = V4L2_MBUS_PARALLEL; + ret = v4l2_fwnode_endpoint_parse(ep_fwnode, &vep); fwnode_handle_put(ep_fwnode); - if (ret) { - dev_err_probe(dev, ret, "failed to parse 'pclk-sample'\n"); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, + "failed to parse sink endpoint data\n"); + + if (vep.bus.parallel.flags & V4L2_MBUS_PCLK_SAMPLE_RISING) + priv->pclk_polarity_rising = true; + else if (vep.bus.parallel.flags & V4L2_MBUS_PCLK_SAMPLE_FALLING) + priv->pclk_polarity_rising = false; + else + return dev_err_probe(dev, -EINVAL, + "bad value for 'pclk-sample'\n"); return 0; } @@ -726,7 +734,7 @@ static int ub913_hw_init(struct ub913_data *priv) ub913_read(priv, UB913_REG_GENERAL_CFG, &v); v &= ~UB913_REG_GENERAL_CFG_PCLK_RISING; - v |= priv->pclk_polarity ? UB913_REG_GENERAL_CFG_PCLK_RISING : 0; + v |= priv->pclk_polarity_rising ? UB913_REG_GENERAL_CFG_PCLK_RISING : 0; ub913_write(priv, UB913_REG_GENERAL_CFG, v); return 0;