Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755019Ab3GaGR7 (ORCPT ); Wed, 31 Jul 2013 02:17:59 -0400 Received: from smtp6-g21.free.fr ([212.27.42.6]:41880 "EHLO smtp6-g21.free.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751316Ab3GaGR5 convert rfc822-to-8bit (ORCPT ); Wed, 31 Jul 2013 02:17:57 -0400 Date: Wed, 31 Jul 2013 08:18:32 +0200 From: Jean-Francois Moine To: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Rob Herring , Russell King , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v3 3/4] ASoc: kirkwood: add DT support Message-ID: <20130731081832.54212b76@armhf> X-Mailer: Claws Mail 3.9.2 (GTK+ 2.24.20; arm-unknown-linux-gnueabihf) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3017 Lines: 100 The kirkwood audio driver is used without DT in the Kirkwood machine. This patch adds a DT compatible definition for use in other Marvell machines such as the Armada 88AP510 (Dove). Signed-off-by: Jean-Francois Moine --- sound/soc/kirkwood/kirkwood-i2s.c | 27 ++++++++++++++++------ 1 file changed, 20 insertions(+), 7 deletions(-) diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c index a13fffb..234b5a1 100644 --- a/sound/soc/kirkwood/kirkwood-i2s.c +++ b/sound/soc/kirkwood/kirkwood-i2s.c @@ -12,7 +12,6 @@ #include #include -#include #include #include #include @@ -22,6 +21,8 @@ #include #include #include +#include + #include "kirkwood.h" #define DRV_NAME "kirkwood-i2s" @@ -469,6 +470,7 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev) struct snd_soc_dai_driver *soc_dai = &kirkwood_i2s_dai; struct kirkwood_dma_data *priv; struct resource *mem; + struct device_node *np = pdev->dev.of_node; int err; priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); @@ -489,14 +491,16 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev) return -ENXIO; } - if (!data) { - dev_err(&pdev->dev, "no platform data ?!\n"); + if (np) { + priv->burst = 128; /* might be 32 or 128 */ + } else if (data) { + priv->burst = data->burst; + } else { + dev_err(&pdev->dev, "no DT nor platform data ?!\n"); return -EINVAL; } - priv->burst = data->burst; - - priv->clk = devm_clk_get(&pdev->dev, NULL); + priv->clk = devm_clk_get(&pdev->dev, np ? "internal" : NULL); if (IS_ERR(priv->clk)) { dev_err(&pdev->dev, "no clock\n"); return PTR_ERR(priv->clk); @@ -523,7 +527,7 @@ static int kirkwood_i2s_dev_probe(struct platform_device *pdev) priv->ctl_rec = KIRKWOOD_RECCTL_SIZE_24; /* Select the burst size */ - if (data->burst == 32) { + if (priv->burst == 32) { priv->ctl_play |= KIRKWOOD_PLAYCTL_BURST_32; priv->ctl_rec |= KIRKWOOD_RECCTL_BURST_32; } else { @@ -549,12 +553,21 @@ fail: return err; } +#ifdef CONFIG_OF +static struct of_device_id kirkwood_i2s_of_match[] = { + { .compatible = "marvell,kirkwood-i2s" }, + { } +}; +MODULE_DEVICE_TABLE(of, kirkwood_i2s_of_match); +#endif + static struct platform_driver kirkwood_i2s_driver = { .probe = kirkwood_i2s_dev_probe, .remove = kirkwood_i2s_dev_remove, .driver = { .name = DRV_NAME, .owner = THIS_MODULE, + .of_match_table = of_match_ptr(kirkwood_i2s_of_match), }, }; -- Ken ar c'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/ -- 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/