sh: pfc: Unlock register support

Add PFC support for a 32-bit unlock register. Needed to
drive the r8a7779 PFC that comes with a funky PMMR register.

Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/sh_pfc.h b/include/linux/sh_pfc.h
index 84538c42d64a..5c15aed9c4b2 100644
--- a/include/linux/sh_pfc.h
+++ b/include/linux/sh_pfc.h
@@ -116,6 +116,8 @@ struct pinmux_info {
         unsigned int num_resources;
         struct pfc_window *window;
 
+        unsigned long unlock_reg;
+
         struct gpio_chip chip;
 };