mfd: syscon: Support native-endian regmaps

The regmap devicetree binding documentation states that a native-endian
property should be supported as well as big-endian & little-endian,
however syscon in its duplication of the parsing of these properties
omits support for native-endian. Fix this by setting
REGMAP_ENDIAN_NATIVE when a native-endian property is found.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-mips@linux-mips.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/mfd/syscon.c b/drivers/mfd/syscon.c
index 2f2225e845ef..b93fe4c4957a 100644
--- a/drivers/mfd/syscon.c
+++ b/drivers/mfd/syscon.c
@@ -73,8 +73,10 @@ static struct syscon *of_syscon_register(struct device_node *np)
         /* Parse the device's DT node for an endianness specification */
         if (of_property_read_bool(np, "big-endian"))
                 syscon_config.val_format_endian = REGMAP_ENDIAN_BIG;
-         else if (of_property_read_bool(np, "little-endian"))
+        else if (of_property_read_bool(np, "little-endian"))
                 syscon_config.val_format_endian = REGMAP_ENDIAN_LITTLE;
+        else if (of_property_read_bool(np, "native-endian"))
+                syscon_config.val_format_endian = REGMAP_ENDIAN_NATIVE;
 
         /*
          * search for reg-io-width property in DT. If it is not provided,