Describe the location and contents of the SYSCEXTMASK register on R-Car
V3M, to prevent conflicts between internal and external power requests.
Based on a patch in the BSP by Dien Pham <dien.pham.ry@xxxxxxxxxxx>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
v2:
- No changes.
---
drivers/soc/renesas/r8a77970-sysc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/soc/renesas/r8a77970-sysc.c b/drivers/soc/renesas/r8a77970-sysc.c
index 280c48b80f240424..b3033e3f0fd0b0ff 100644
--- a/drivers/soc/renesas/r8a77970-sysc.c
+++ b/drivers/soc/renesas/r8a77970-sysc.c
@@ -5,6 +5,7 @@
* Copyright (C) 2017 Cogent Embedded Inc.
*/
+#include <linux/bits.h>
#include <linux/bug.h>
#include <linux/kernel.h>
@@ -32,4 +33,6 @@ static const struct rcar_sysc_area r8a77970_areas[] __initconst = {
const struct rcar_sysc_info r8a77970_sysc_info __initconst = {
.areas = r8a77970_areas,
.num_areas = ARRAY_SIZE(r8a77970_areas),
+ .extmask_offs = 0x1b0,
+ .extmask_val = BIT(0),
};
--
2.17.1
