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>

7 files changed, 58 insertions, 0 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 3c263a57b760..b9deb176402c 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -550,6 +550,12 @@ config MFD_WM5102
         help
           Support for Wolfson Microelectronics WM5102 low power audio SoC
 
+config MFD_WM5110
+        bool "Support Wolfson Microelectronics WM5110"
+        depends on MFD_ARIZONA
+        help
+          Support for Wolfson Microelectronics WM5110 low power audio SoC
+
 config MFD_WM8400
         bool "Support Wolfson Microelectronics WM8400"
         select MFD_CORE
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 9c9727fe3f09..79dd22d1dc3d 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -33,6 +33,9 @@ obj-$(CONFIG_MFD_ARIZONA_SPI)	+= arizona-spi.o
 ifneq ($(CONFIG_MFD_WM5102),n)
 obj-$(CONFIG_MFD_ARIZONA)       += wm5102-tables.o
 endif
+ifneq ($(CONFIG_MFD_WM5110),n)
+obj-$(CONFIG_MFD_ARIZONA)       += wm5110-tables.o
+endif
 obj-$(CONFIG_MFD_WM8400)        += wm8400-core.o
 wm831x-objs                     := wm831x-core.o wm831x-irq.o wm831x-otp.o
 wm831x-objs                     += wm831x-auxadc.o
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index b35680dcd8c1..6e70d3defc7e 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -273,6 +273,14 @@ static struct mfd_cell wm5102_devs[] = {
         { .name = "wm5102-codec" },
 };
 
+static struct mfd_cell wm5110_devs[] = {
+        { .name = "arizona-extcon" },
+        { .name = "arizona-gpio" },
+        { .name = "arizona-micsupp" },
+        { .name = "arizona-pwm" },
+        { .name = "wm5110-codec" },
+};
+
 int __devinit arizona_dev_init(struct arizona *arizona)
 {
         struct device *dev = arizona->dev;
@@ -291,6 +299,7 @@ int __devinit arizona_dev_init(struct arizona *arizona)
 
         switch (arizona->type) {
         case WM5102:
+        case WM5110:
                 for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++)
                         arizona->core_supplies[i].supply
                                 = wm5102_core_supplies[i];
@@ -379,6 +388,17 @@ int __devinit arizona_dev_init(struct arizona *arizona)
                 ret = wm5102_patch(arizona);
                 break;
 #endif
+#ifdef CONFIG_MFD_WM5110
+        case 0x5110:
+                type_name = "WM5110";
+                if (arizona->type != WM5110) {
+                        dev_err(arizona->dev, "WM5110 registered as %d\n",
+                                arizona->type);
+                        arizona->type = WM5110;
+                }
+                ret = wm5110_patch(arizona);
+                break;
+#endif
         default:
                 dev_err(arizona->dev, "Unknown device ID %x\n", reg);
                 goto err_reset;
@@ -494,6 +514,10 @@ int __devinit arizona_dev_init(struct arizona *arizona)
                 ret = mfd_add_devices(arizona->dev, -1, wm5102_devs,
                                       ARRAY_SIZE(wm5102_devs), NULL, 0);
                 break;
+        case WM5110:
+                ret = mfd_add_devices(arizona->dev, -1, wm5110_devs,
+                                      ARRAY_SIZE(wm5102_devs), NULL, 0);
+                break;
         }
 
         if (ret != 0) {
diff --git a/drivers/mfd/arizona-i2c.c b/drivers/mfd/arizona-i2c.c
index fe19d11b92f0..570c4b438086 100644
--- a/drivers/mfd/arizona-i2c.c
+++ b/drivers/mfd/arizona-i2c.c
@@ -35,6 +35,11 @@ static __devinit int arizona_i2c_probe(struct i2c_client *i2c,
                 regmap_config = &wm5102_i2c_regmap;
                 break;
 #endif
+#ifdef CONFIG_MFD_WM5110
+        case WM5110:
+                regmap_config = &wm5110_i2c_regmap;
+                break;
+#endif
         default:
                 dev_err(&i2c->dev, "Unknown device type %ld\n",
                         id->driver_data);
@@ -69,6 +74,7 @@ static int __devexit arizona_i2c_remove(struct i2c_client *i2c)
 
 static const struct i2c_device_id arizona_i2c_id[] = {
         { "wm5102", WM5102 },
+        { "wm5110", WM5110 },
         { }
 };
 MODULE_DEVICE_TABLE(i2c, arizona_i2c_id);
diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c
index 17d20c0fba1e..98ac345f468e 100644
--- a/drivers/mfd/arizona-irq.c
+++ b/drivers/mfd/arizona-irq.c
@@ -164,6 +164,12 @@ int arizona_irq_init(struct arizona *arizona)
                 irq = &wm5102_irq;
                 break;
 #endif
+#ifdef CONFIG_MFD_WM5110
+        case WM5110:
+                aod = &wm5110_aod;
+                irq = &wm5110_irq;
+                break;
+#endif
         default:
                 BUG_ON("Unknown Arizona class device" == NULL);
                 return -EINVAL;
diff --git a/drivers/mfd/arizona-spi.c b/drivers/mfd/arizona-spi.c
index f4bedaf875e6..df2e5a8bee28 100644
--- a/drivers/mfd/arizona-spi.c
+++ b/drivers/mfd/arizona-spi.c
@@ -35,6 +35,11 @@ static int __devinit arizona_spi_probe(struct spi_device *spi)
                 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 int __devexit arizona_spi_remove(struct spi_device *spi)
 
 static const struct spi_device_id arizona_spi_ids[] = {
         { "wm5102", WM5102 },
+        { "wm5110", WM5110 },
         { },
 };
 MODULE_DEVICE_TABLE(spi, arizona_spi_ids);
diff --git a/drivers/mfd/arizona.h b/drivers/mfd/arizona.h
index 1c9f333a9c17..9798ae5da67b 100644
--- a/drivers/mfd/arizona.h
+++ b/drivers/mfd/arizona.h
@@ -20,11 +20,18 @@ struct wm_arizona;
 
 extern const struct regmap_config wm5102_i2c_regmap;
 extern const struct regmap_config wm5102_spi_regmap;
+
+extern const struct regmap_config wm5110_i2c_regmap;
+extern const struct regmap_config wm5110_spi_regmap;
+
 extern const struct dev_pm_ops arizona_pm_ops;
 
 extern const struct regmap_irq_chip wm5102_aod;
 extern const struct regmap_irq_chip wm5102_irq;
 
+extern const struct regmap_irq_chip wm5110_aod;
+extern const struct regmap_irq_chip wm5110_irq;
+
 int arizona_dev_init(struct arizona *arizona);
 int arizona_dev_exit(struct arizona *arizona);
 int arizona_irq_init(struct arizona *arizona);