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authorEnrico Scholz <enrico.scholz@sigma-chemnitz.de>2016-08-03 16:14:54 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2018-04-12 09:20:20 +0200
commit9a31a4765473ff23adaff5bf72b06f87a70b6fb2 (patch)
tree665e1c4ad2786be64492cb4e85de34762b3944fb
parent0369cc0f922f7c795a9d9dafc0904b8aa81c2c9c (diff)
downloadbarebox-9a31a4765473ff23adaff5bf72b06f87a70b6fb2.tar.gz
barebox-9a31a4765473ff23adaff5bf72b06f87a70b6fb2.tar.xz
mfd: da9063: add device specific init function
Provide some more information about the used PMIC type; later patches will add support for DA9062 which needs a custom init function. Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de> Tested-by: Stefan Christ <s.christ@phytec.de> Signed-off-by: Christian Hemp <c.hemp@phytec.de>
-rw-r--r--drivers/mfd/da9063.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/mfd/da9063.c b/drivers/mfd/da9063.c
index 4f09bd384e..a1c748610a 100644
--- a/drivers/mfd/da9063.c
+++ b/drivers/mfd/da9063.c
@@ -52,6 +52,10 @@ struct da9063 {
#define DA9063_WATCHDOG 0x01
#define DA9063_SHUTDOWN 0x02
+struct da906x_device_data {
+ int (*init)(struct da9063 *priv);
+};
+
static int da906x_reg_update(struct da9063 *priv, unsigned int reg,
uint8_t mask, uint8_t val)
{
@@ -182,8 +186,13 @@ static void da9063_restart(struct restart_handler *rst)
static int da9063_probe(struct device_d *dev)
{
struct da9063 *priv = NULL;
+ struct da906x_device_data const *dev_data;
+ void const *dev_data_tmp;
int ret;
+ ret = dev_get_drvdata(dev, &dev_data_tmp);
+ dev_data = ret < 0 ? NULL : dev_data_tmp;
+
priv = xzalloc(sizeof(struct da9063));
priv->wd.priority = of_get_watchdog_priority(dev->device_node);
priv->wd.set_timeout = da9063_watchdog_set_timeout;
@@ -192,6 +201,12 @@ static int da9063_probe(struct device_d *dev)
priv->client = to_i2c_client(dev);
priv->dev = dev;
+ if (dev_data && dev_data->init) {
+ ret = dev_data->init(priv);
+ if (ret < 0)
+ goto on_error;
+ }
+
ret = watchdog_register(&priv->wd);
if (ret)
goto on_error;
@@ -213,7 +228,7 @@ on_error:
}
static struct platform_device_id da9063_id[] = {
- { "da9063", },
+ { "da9063", (uintptr_t)(NULL) },
{ }
};