From: Mark Brown <broo...@linaro.org>
This will be used to support refactoring of the ASoC CODEC driver to use
a regmap.
Signed-off-by: Mark Brown <broo...@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];
--
1.8.4.rc3
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