Describe the location and contents of the SYSCEXTMASK register on
RZ/G2E, to prevent conflicts between internal and external power
requests.

Based on a patch in the BSP by Dien Pham <[email protected]>.

Signed-off-by: Geert Uytterhoeven <[email protected]>
---
To be queued in renesas-devel for v5.5.

 drivers/soc/renesas/r8a774c0-sysc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/soc/renesas/r8a774c0-sysc.c 
b/drivers/soc/renesas/r8a774c0-sysc.c
index 11050e17ea81f7f3..40d1558aab37ca4d 100644
--- a/drivers/soc/renesas/r8a774c0-sysc.c
+++ b/drivers/soc/renesas/r8a774c0-sysc.c
@@ -6,6 +6,7 @@
  * Based on Renesas R-Car E3 System Controller
  */
 
+#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 r8a774c0_sysc_info __initconst = {
        .init = r8a774c0_sysc_init,
        .areas = r8a774c0_areas,
        .num_areas = ARRAY_SIZE(r8a774c0_areas),
+       .extmask_offs = 0x2f8,
+       .extmask_val = BIT(0),
 };
-- 
2.17.1

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