mfd: Initial support for the WM5110

The WM5110 is a highly-integrated low-power audio system for smartphones,
tablets and other portable audio devices. It combines an advanced DSP
feature set with a flexible, high-performance audio hub CODEC.

The support is based on the Arizona core driver.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/arizona-spi.c b/drivers/mfd/arizona-spi.c
index f4bedaf..df2e5a8 100644
--- a/drivers/mfd/arizona-spi.c
+++ b/drivers/mfd/arizona-spi.c
@@ -35,6 +35,11 @@
 		regmap_config = &wm5102_spi_regmap;
 		break;
 #endif
+#ifdef CONFIG_MFD_WM5110
+	case WM5110:
+		regmap_config = &wm5110_spi_regmap;
+		break;
+#endif
 	default:
 		dev_err(&spi->dev, "Unknown device type %ld\n",
 			id->driver_data);
@@ -69,6 +74,7 @@
 
 static const struct spi_device_id arizona_spi_ids[] = {
 	{ "wm5102", WM5102 },
+	{ "wm5110", WM5110 },
 	{ },
 };
 MODULE_DEVICE_TABLE(spi, arizona_spi_ids);