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[RFC,1/2] mfd: 88pm886: add the RTC cell and relevant definitions

Message ID 20240920161518.32346-1-balejk@matfyz.cz
State New
Headers show
Series [RFC,1/2] mfd: 88pm886: add the RTC cell and relevant definitions | expand

Commit Message

Karel Balej Sept. 20, 2024, 4:12 p.m. UTC 
RTC lives on the base register page of the chip. Add definitions of the
registers needed for a basic set/read time functionality.

Signed-off-by: Karel Balej <balejk@matfyz.cz>
---
 drivers/mfd/88pm886.c       | 1 +
 include/linux/mfd/88pm886.h | 9 +++++++++
 2 files changed, 10 insertions(+)
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Patch

diff --git a/drivers/mfd/88pm886.c b/drivers/mfd/88pm886.c
index dbe9efc027d2..891fdce5d8c1 100644
--- a/drivers/mfd/88pm886.c
+++ b/drivers/mfd/88pm886.c
@@ -37,6 +37,7 @@  static struct resource pm886_onkey_resources[] = {
 static struct mfd_cell pm886_devs[] = {
 	MFD_CELL_RES("88pm886-onkey", pm886_onkey_resources),
 	MFD_CELL_NAME("88pm886-regulator"),
+	MFD_CELL_NAME("88pm886-rtc"),
 };
 
 static int pm886_power_off_handler(struct sys_off_data *sys_off_data)
diff --git a/include/linux/mfd/88pm886.h b/include/linux/mfd/88pm886.h
index 133aa302e492..85eca44f39ab 100644
--- a/include/linux/mfd/88pm886.h
+++ b/include/linux/mfd/88pm886.h
@@ -31,6 +31,15 @@ 
 #define PM886_INT_WC			BIT(1)
 #define PM886_INT_MASK_MODE		BIT(2)
 
+#define PM886_REG_RTC_CNT1		0xd1
+#define PM886_REG_RTC_CNT2		0xd2
+#define PM886_REG_RTC_CNT3		0xd3
+#define PM886_REG_RTC_CNT4		0xd4
+#define PM886_REG_RTC_SPARE1		0xea
+#define PM886_REG_RTC_SPARE2		0xeb
+#define PM886_REG_RTC_SPARE3		0xec
+#define PM886_REG_RTC_SPARE4		0xed
+#define PM886_REG_RTC_SPARE5		0xee
 #define PM886_REG_RTC_SPARE6		0xef
 
 #define PM886_REG_BUCK_EN		0x08