[MIPS] generic txx9 gpio support

This is a board-independent TXx9 gpio API implementation using gpiolib.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 29 insertions, 0 deletions

diff --git a/include/asm-mips/txx9pio.h b/include/asm-mips/txx9pio.h
new file mode 100644
index 000000000000..3d6fa9f8d513
--- /dev/null
+++ b/include/asm-mips/txx9pio.h
@@ -0,0 +1,29 @@
+/*
+ * include/asm-mips/txx9pio.h
+ * TX39/TX49 PIO controller definitions.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#ifndef __ASM_TXX9PIO_H
+#define __ASM_TXX9PIO_H
+
+#include <linux/types.h>
+
+struct txx9_pio_reg {
+        __u32 dout;
+        __u32 din;
+        __u32 dir;
+        __u32 od;
+        __u32 flag[2];
+        __u32 pol;
+        __u32 intc;
+        __u32 maskcpu;
+        __u32 maskext;
+};
+
+int txx9_gpio_init(unsigned long baseaddr,
+                   unsigned int base, unsigned int num);
+
+#endif /* __ASM_TXX9PIO_H */