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Commit 88913521 authored by Mark Brown's avatar Mark Brown Committed by Samuel Ortiz
Browse files

mfd: Add WM8321 support 



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: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 5981f4e6

drivers/mfd/wm831x-core.c

+14 −0
Original line number Diff line number Diff line
@@ -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);