From: Mark Brown broonie@linaro.org
This will be used to support refactoring of the ASoC CODEC driver to use a regmap.
Signed-off-by: Mark Brown broonie@linaro.org --- 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 <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"); 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 <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];