Introduce chip id machanism to distinguish chip
Signed-off-by: Saravanan Sekar <sravanhome@xxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
---
drivers/mfd/mp2629.c | 4 +++-
include/linux/mfd/mp2629.h | 5 +++++
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/mp2629.c b/drivers/mfd/mp2629.c
index f4c5aa06f38c..a3fc02ad5ec1 100644
--- a/drivers/mfd/mp2629.c
+++ b/drivers/mfd/mp2629.c
@@ -13,6 +13,7 @@
#include <linux/mfd/mp2629.h>
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/regmap.h>
#include <linux/slab.h>
@@ -43,6 +44,7 @@ static int mp2629_probe(struct i2c_client *client)
return -ENOMEM;
ddata->dev = &client->dev;
+ ddata->chip_id = (uintptr_t)device_get_match_data(&client->dev);
i2c_set_clientdata(client, ddata);
ddata->regmap = devm_regmap_init_i2c(client, &mp2629_regmap_config);
@@ -60,7 +62,7 @@ static int mp2629_probe(struct i2c_client *client)
}
static const struct of_device_id mp2629_of_match[] = {
- { .compatible = "mps,mp2629"},
+ { .compatible = "mps,mp2629", .data = (void *)CHIP_ID_MP2629 },
{ }
};
MODULE_DEVICE_TABLE(of, mp2629_of_match);
diff --git a/include/linux/mfd/mp2629.h b/include/linux/mfd/mp2629.h
index 89b706900b57..072c8181b48b 100644
--- a/include/linux/mfd/mp2629.h
+++ b/include/linux/mfd/mp2629.h
@@ -9,9 +9,14 @@
#include <linux/device.h>
#include <linux/regmap.h>
+enum mp2xx_chip_id {
+ CHIP_ID_MP2629,
+};
+
struct mp2629_data {
struct device *dev;
struct regmap *regmap;
+ enum mp2xx_chip_id chip_id;
};
enum mp2629_adc_chan {
--
2.34.1
