ARM: pxa: change gpio to platform device

Remove most gpio macros and change gpio driver to platform driver.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/include/linux/gpio-pxa.h b/include/linux/gpio-pxa.h
new file mode 100644
index 000000000000..05071ee34c3f
--- /dev/null
+++ b/include/linux/gpio-pxa.h
@@ -0,0 +1,16 @@
+#ifndef __GPIO_PXA_H
+#define __GPIO_PXA_H
+
+#define GPIO_bit(x)     (1 << ((x) & 0x1f))
+
+#define gpio_to_bank(gpio)      ((gpio) >> 5)
+
+/* NOTE: some PXAs have fewer on-chip GPIOs (like PXA255, with 85).
+ * Those cases currently cause holes in the GPIO number space, the
+ * actual number of the last GPIO is recorded by 'pxa_last_gpio'.
+ */
+extern int pxa_last_gpio;
+
+extern int pxa_irq_to_gpio(int irq);
+
+#endif /* __GPIO_PXA_H */