Describe the location and contents of the SYSCEXTMASK register on R-Car
E3, 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/r8a77990-sysc.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/soc/renesas/r8a77990-sysc.c b/drivers/soc/renesas/r8a77990-sysc.c
index 664b244eb1dd9d95..1d2432020b7a15d2 100644
--- a/drivers/soc/renesas/r8a77990-sysc.c
+++ b/drivers/soc/renesas/r8a77990-sysc.c
@@ -5,6 +5,7 @@
* Copyright (C) 2018 Renesas Electronics Corp.
*/
+#include <linux/bits.h>
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/sys_soc.h>
@@ -50,4 +51,6 @@ const struct rcar_sysc_info r8a77990_sysc_info __initconst = {
.init = r8a77990_sysc_init,
.areas = r8a77990_areas,
.num_areas = ARRAY_SIZE(r8a77990_areas),
+ .extmask_offs = 0x2f8,
+ .extmask_val = BIT(0),
};
--
2.17.1
