From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: [PATCH 2/5] mfd: davinci_voicecodec: Provide a regmap for register I/O Date: Sat, 31 Aug 2013 14:08:56 +0100 Message-ID: <1377954539-7532-2-git-send-email-broonie@kernel.org> References: <20130831130741.GG18608@sirena.org.uk> <1377954539-7532-1-git-send-email-broonie@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from cassiel.sirena.org.uk (cassiel.sirena.org.uk [80.68.93.111]) by alsa0.perex.cz (Postfix) with ESMTP id 481A0261ABD for ; Sat, 31 Aug 2013 15:09:13 +0200 (CEST) In-Reply-To: <1377954539-7532-1-git-send-email-broonie@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Samuel Ortiz , Lee Jones , Miguel Aguilar , Liam Girdwood Cc: alsa-devel@alsa-project.org, linaro-kernel@lists.linaro.org, davinci-linux-open-source@linux.davincidsp.com, Mark Brown List-Id: alsa-devel@alsa-project.org From: Mark Brown This will be used to support refactoring of the ASoC CODEC driver to use a regmap. Signed-off-by: Mark Brown --- drivers/mfd/davinci_voicecodec.c | 14 ++++++++++++++ include/linux/mfd/davinci_voicecodec.h | 3 +++ 2 files changed, 17 insertions(+) diff --git a/drivers/mfd/davinci_voicecodec.c b/drivers/mfd/davinci_voicecodec.c index a292d71..013ba81 100644 --- a/drivers/mfd/davinci_voicecodec.c +++ b/drivers/mfd/davinci_voicecodec.c @@ -27,11 +27,17 @@ #include #include #include +#include #include #include +static struct regmap_config davinci_vc_regmap = { + .reg_bits = 32, + .val_bits = 32, +}; + static int __init davinci_vc_probe(struct platform_device *pdev) { struct davinci_vc *davinci_vc; @@ -63,6 +69,14 @@ static int __init davinci_vc_probe(struct platform_device *pdev) goto fail; } + davinci_vc->regmap = devm_regmap_init_mmio(&pdev->dev, + davinci_vc->base, + &davinci_vc_regmap); + if (IS_ERR(davinci_vc->regmap)) { + ret = PTR_ERR(davinci_vc->regmap); + goto fail; + } + res = platform_get_resource(pdev, IORESOURCE_DMA, 0); if (!res) { dev_err(&pdev->dev, "no DMA resource\n"); diff --git a/include/linux/mfd/davinci_voicecodec.h b/include/linux/mfd/davinci_voicecodec.h index 13a1ee9..5166935 100644 --- a/include/linux/mfd/davinci_voicecodec.h +++ b/include/linux/mfd/davinci_voicecodec.h @@ -30,6 +30,8 @@ #include +struct regmap; + /* * Register values. */ @@ -113,6 +115,7 @@ struct davinci_vc { /* Memory resources */ void __iomem *base; + struct regmap *regmap; /* MFD cells */ struct mfd_cell cells[DAVINCI_VC_CELLS]; -- 1.8.4.rc3