mfd: rn5t618: Add more subdevices

Since the RC5T619 has a RTC, use a separate subdevice list for that.
The ADC should be the same as in the RN5T618, according to drivers
in the wild, but since it is not tested, the ADC is only added for
the RC5T619.

Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/mfd/rn5t618.c b/drivers/mfd/rn5t618.c
index 7686cc36e8c05b6de86a68422d015e4258fb3ef3..bc117adede4c3228ba857d5f51b24945e4bcb080 100644 (file)
--- a/drivers/mfd/rn5t618.c
+++ b/drivers/mfd/rn5t618.c
@@ -14,6 +14,7 @@
 #include <linux/mfd/rn5t618.h>
 #include <linux/module.h>
 #include <linux/of_device.h>
+#include <linux/platform_device.h>
 #include <linux/reboot.h>
 #include <linux/regmap.h>
 
@@ -22,6 +23,13 @@ static const struct mfd_cell rn5t618_cells[] = {
        { .name = "rn5t618-wdt" },
 };
 
+static const struct mfd_cell rc5t619_cells[] = {
+       { .name = "rn5t618-adc" },
+       { .name = "rn5t618-regulator" },
+       { .name = "rc5t619-rtc" },
+       { .name = "rn5t618-wdt" },
+};
+
 static bool rn5t618_volatile_reg(struct device *dev, unsigned int reg)
 {
        switch (reg) {
@@ -167,8 +175,16 @@ static int rn5t618_i2c_probe(struct i2c_client *i2c,
                return ret;
        }
 
-       ret = devm_mfd_add_devices(&i2c->dev, -1, rn5t618_cells,
-                                  ARRAY_SIZE(rn5t618_cells), NULL, 0, NULL);
+       if (priv->variant == RC5T619)
+               ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_NONE,
+                                          rc5t619_cells,
+                                          ARRAY_SIZE(rc5t619_cells),
+                                          NULL, 0, NULL);
+       else
+               ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_NONE,
+                                          rn5t618_cells,
+                                          ARRAY_SIZE(rn5t618_cells),
+                                          NULL, 0, NULL);
        if (ret) {
                dev_err(&i2c->dev, "failed to add sub-devices: %d\n", ret);
                return ret;