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Date: Wed, 24 Nov 2010 18:01:41 +0000
From: Mark Brown <broonie@...nsource.wolfsonmicro.com>
To: Samuel Ortiz <sameo@...ux.intel.com>
Cc: linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com,
Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH 3/7] mfd: Add WM8326 support
The WM8326 is a high performance variant of the WM832x series with
no software visible differences.
Signed-off-by: Mark Brown <broonie@...nsource.wolfsonmicro.com>
---
drivers/mfd/wm831x-core.c | 7 +++++++
drivers/mfd/wm831x-i2c.c | 1 +
drivers/mfd/wm831x-spi.c | 18 ++++++++++++++++++
include/linux/mfd/wm831x/core.h | 1 +
4 files changed, 27 insertions(+), 0 deletions(-)
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index 278f3a7..47b58cc 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -1537,6 +1537,12 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
dev_info(wm831x->dev, "WM8325 revision %c\n", 'A' + rev);
break;
+ case WM8326:
+ parent = WM8326;
+ wm831x->num_gpio = 12;
+ dev_info(wm831x->dev, "WM8326 revision %c\n", 'A' + rev);
+ break;
+
default:
dev_err(wm831x->dev, "Unknown WM831x device %04x\n", ret);
ret = -EINVAL;
@@ -1608,6 +1614,7 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq)
case WM8320:
case WM8321:
case WM8325:
+ case WM8326:
ret = mfd_add_devices(wm831x->dev, -1,
wm8320_devs, ARRAY_SIZE(wm8320_devs),
NULL, wm831x->irq_base);
diff --git a/drivers/mfd/wm831x-i2c.c b/drivers/mfd/wm831x-i2c.c
index 156b198..38be520 100644
--- a/drivers/mfd/wm831x-i2c.c
+++ b/drivers/mfd/wm831x-i2c.c
@@ -108,6 +108,7 @@ static const struct i2c_device_id wm831x_i2c_id[] = {
{ "wm8320", WM8320 },
{ "wm8321", WM8321 },
{ "wm8325", WM8325 },
+ { "wm8326", WM8326 },
{ }
};
MODULE_DEVICE_TABLE(i2c, wm831x_i2c_id);
diff --git a/drivers/mfd/wm831x-spi.c b/drivers/mfd/wm831x-spi.c
index 2789b15..0a8f772 100644
--- a/drivers/mfd/wm831x-spi.c
+++ b/drivers/mfd/wm831x-spi.c
@@ -81,6 +81,8 @@ static int __devinit wm831x_spi_probe(struct spi_device *spi)
type = WM8321;
else if (strcmp(spi->modalias, "wm8325") == 0)
type = WM8325;
+ else if (strcmp(spi->modalias, "wm8326") == 0)
+ type = WM8326;
else {
dev_err(&spi->dev, "Unknown device type\n");
return -EINVAL;
@@ -184,6 +186,17 @@ static struct spi_driver wm8325_spi_driver = {
.suspend = wm831x_spi_suspend,
};
+static struct spi_driver wm8326_spi_driver = {
+ .driver = {
+ .name = "wm8326",
+ .bus = &spi_bus_type,
+ .owner = THIS_MODULE,
+ },
+ .probe = wm831x_spi_probe,
+ .remove = __devexit_p(wm831x_spi_remove),
+ .suspend = wm831x_spi_suspend,
+};
+
static int __init wm831x_spi_init(void)
{
int ret;
@@ -212,12 +225,17 @@ static int __init wm831x_spi_init(void)
if (ret != 0)
pr_err("Failed to register WM8325 SPI driver: %d\n", ret);
+ ret = spi_register_driver(&wm8326_spi_driver);
+ if (ret != 0)
+ pr_err("Failed to register WM8326 SPI driver: %d\n", ret);
+
return 0;
}
subsys_initcall(wm831x_spi_init);
static void __exit wm831x_spi_exit(void)
{
+ spi_unregister_driver(&wm8326_spi_driver);
spi_unregister_driver(&wm8325_spi_driver);
spi_unregister_driver(&wm8321_spi_driver);
spi_unregister_driver(&wm8320_spi_driver);
diff --git a/include/linux/mfd/wm831x/core.h b/include/linux/mfd/wm831x/core.h
index a1239c4..903280d 100644
--- a/include/linux/mfd/wm831x/core.h
+++ b/include/linux/mfd/wm831x/core.h
@@ -245,6 +245,7 @@ enum wm831x_parent {
WM8320 = 0x8320,
WM8321 = 0x8321,
WM8325 = 0x8325,
+ WM8326 = 0x8326,
};
struct wm831x {
--
1.7.1
--
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