mfd: palmas: Add rtc irq number as irq resource for palmas-rtc

Palma RTC is capable of generating alarm interrupt. Pass the alarm interrupt
as IRQ_RESOURCE for palmas-rtc sub device driver so that rtc driver can get
irq as platform_get_irq().

Also pass the irq domain in mfd_add_devices() to properly offset the irqs for
sub devices. This is needed when adding device through DT.

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 12 insertions, 2 deletions

diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c
index 6ffd7a2affdc..bbdbc50a3cca 100644
--- a/drivers/mfd/palmas.c
+++ b/drivers/mfd/palmas.c
@@ -39,6 +39,14 @@ enum palmas_ids {
         PALMAS_USB_ID,
 };
 
+static struct resource palmas_rtc_resources[] = {
+        {
+                .start  = PALMAS_RTC_ALARM_IRQ,
+                .end    = PALMAS_RTC_ALARM_IRQ,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
 static const struct mfd_cell palmas_children[] = {
         {
                 .name = "palmas-pmic",
@@ -59,6 +67,8 @@ static const struct mfd_cell palmas_children[] = {
         {
                 .name = "palmas-rtc",
                 .id = PALMAS_RTC_ID,
+                .resources = &palmas_rtc_resources[0],
+                .num_resources = ARRAY_SIZE(palmas_rtc_resources),
         },
         {
                 .name = "palmas-pwrbutton",
@@ -456,8 +466,8 @@ static int palmas_i2c_probe(struct i2c_client *i2c,
 
         ret = mfd_add_devices(palmas->dev, -1,
                               children, ARRAY_SIZE(palmas_children),
-                              NULL, regmap_irq_chip_get_base(palmas->irq_data),
-                              NULL);
+                              NULL, 0,
+                              regmap_irq_get_domain(palmas->irq_data));
         kfree(children);
 
         if (ret < 0)