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Commit 921a2c87 authored by Mark Brown's avatar Mark Brown Committed by Samuel Ortiz
Browse files

mfd: davinci_voicecodec: Provide a regmap for register I/O 



This will be used to support refactoring of the ASoC CODEC driver to use
a regmap.

Signed-off-by: default avatarMark Brown <broonie@linaro.org>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 6a017660

drivers/mfd/davinci_voicecodec.c

+14 −0
Original line number Diff line number Diff line
@@ -27,11 +27,17 @@ 
#include <linux/delay.h>

#include <linux/io.h>

#include <linux/clk.h>

#include <linux/regmap.h>



#include <sound/pcm.h>



#include <linux/mfd/davinci_voicecodec.h>



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");

include/linux/mfd/davinci_voicecodec.h

+3 −0
Original line number Diff line number Diff line
@@ -30,6 +30,8 @@ 


#include <mach/hardware.h>



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];