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: Mark Brown <broonie@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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 @@
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");