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From: Mark Brown on 21 Jul 2010 09:30
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(a)opensource.wolfsonmicro.com>
---
drivers/mfd/wm831x-core.c | 14 ++++++++++++++
1 files changed, 14 insertions(+), 0 deletions(-)

diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 1a968f3..cb94e7e 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -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);
--
1.7.1

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Prev: [PATCH 1/2] USB - Option.c obey reserved interface flag
Next: Add trace points to mmap, munmap, and brk