Compatible string microchip,mcp7940x is used by Turris Mox DTS file in Linux kernel and U-Boot ds1307.c driver works fine with it.
Signed-off-by: Pali Rohár pali@kernel.org --- drivers/rtc/ds1307.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/rtc/ds1307.c b/drivers/rtc/ds1307.c index 1963565c5ee5..40ca66bdceee 100644 --- a/drivers/rtc/ds1307.c +++ b/drivers/rtc/ds1307.c @@ -358,6 +358,7 @@ static const struct udevice_id ds1307_rtc_ids[] = { { .compatible = "dallas,ds1337", .data = ds_1337 }, { .compatible = "dallas,ds1339", .data = ds_1339 }, { .compatible = "dallas,ds1340", .data = ds_1340 }, + { .compatible = "microchip,mcp7940x", .data = mcp794xx }, { .compatible = "microchip,mcp7941x", .data = mcp794xx }, { .compatible = "st,m41t11", .data = m41t11 }, { }