summaryrefslogtreecommitdiffstats
path: root/include/linux/gpio-pxa.h
diff options
context:
space:
mode:
authorHaojian Zhuang2011-10-17 14:37:52 +0200
committerHaojian Zhuang2011-11-15 12:08:27 +0100
commit157d2644cb0c1e71a18baaffca56d2b1d0ebf10f (patch)
treee33d224362ce8ac0706725f02ecd8b89c3645934 /include/linux/gpio-pxa.h
parentARM: pxa: use generic gpio operation instead of gpio register (diff)
downloadkernel-qcow2-linux-157d2644cb0c1e71a18baaffca56d2b1d0ebf10f.tar.gz
kernel-qcow2-linux-157d2644cb0c1e71a18baaffca56d2b1d0ebf10f.tar.xz
kernel-qcow2-linux-157d2644cb0c1e71a18baaffca56d2b1d0ebf10f.zip
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>
Diffstat (limited to 'include/linux/gpio-pxa.h')
-rw-r--r--include/linux/gpio-pxa.h16
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 */