sh: improve pinmux support for single direction pins

This patch improves the support for gpio pins that are hard wired
to either input or output and lack control register association.
A special force enum id is used to allow use without control
register but still mark the gpio pin as input or output.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/sh/include/asm/gpio.h b/arch/sh/include/asm/gpio.h
index 02de5b609ba5..74c31a678a52 100644
--- a/arch/sh/include/asm/gpio.h
+++ b/arch/sh/include/asm/gpio.h
@@ -64,6 +64,7 @@ struct pinmux_data_reg {
 struct pinmux_range {
         pinmux_enum_t begin;
         pinmux_enum_t end;
+        pinmux_enum_t force;
 };
 
 struct pinmux_info {