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mfd: Add WM8321 support

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The WM8321 is a PMIC for low power, high performance applications. From a
software point of view the device is identical to the WM8320, all the
differences between the two devices are visible only in hardware.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Mark Brown 2010-07-21 14:23:37 +01:00 committed by Samuel Ortiz
parent 5981f4e65c
commit 889135210b
1 changed files with 14 additions and 0 deletions
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14
drivers/mfd/wm831x-core.c
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@ -95,6 +95,7 @@ enum wm831x_parent {
WM8311 = 0x8311,
WM8312 = 0x8312,
WM8320 = 0x8320,
WM8321 = 0x8321,
};
static int wm831x_reg_locked(struct wm831x *wm831x, unsigned short reg)
@ -1533,6 +1534,12 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
dev_info(wm831x->dev, "WM8320 revision %c\n", 'A' + rev);
break;
case WM8321:
parent = WM8321;
wm831x->num_gpio = 12;
dev_info(wm831x->dev, "WM8321 revision %c\n", 'A' + rev);
break;
default:
dev_err(wm831x->dev, "Unknown WM831x device %04x\n", ret);
ret = -EINVAL;
@ -1607,6 +1614,12 @@ static int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
NULL, 0);
break;
case WM8321:
ret = mfd_add_devices(wm831x->dev, -1,
wm8320_devs, ARRAY_SIZE(wm8320_devs),
NULL, 0);
break;
default:
/* If this happens the bus probe function is buggy */
BUG();
@ -1779,6 +1792,7 @@ static const struct i2c_device_id wm831x_i2c_id[] = {
{ "wm8311", WM8311 },
{ "wm8312", WM8312 },
{ "wm8320", WM8320 },
{ "wm8321", WM8321 },
{ }
};
MODULE_DEVICE_TABLE(i2c, wm831x_i2c_id);