powerpc/QE: implement support for the GPIO LIB API

This is needed to access QE GPIOs via Linux GPIO API.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Acked-By: Timur Tabi <timur@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/include/asm-powerpc/qe.h b/include/asm-powerpc/qe.h
index c4523acad48b..01e3c70b93ab 100644
--- a/include/asm-powerpc/qe.h
+++ b/include/asm-powerpc/qe.h
@@ -100,8 +100,11 @@ struct qe_pio_regs {
 #endif
 };
 
+extern void __init qe_add_gpiochips(void);
 extern int par_io_init(struct device_node *np);
 extern int par_io_of_config(struct device_node *np);
+#define QE_PIO_DIR_IN   2
+#define QE_PIO_DIR_OUT  1
 extern void __par_io_config_pin(struct qe_pio_regs __iomem *par_io, u8 pin,
                                 int dir, int open_drain, int assignment,
                                 int has_irq);