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authorArnd Bergmann <arnd@arndb.de>2011-10-31 23:25:41 +0100
committerArnd Bergmann <arnd@arndb.de>2011-10-31 23:25:41 +0100
commit3e965b176341b78620f7404fd8b7f9a0d061f8a2 (patch)
treea2dbf06d6ae20fbe417b70f0a471cc4f93ff0a71 /arch/arm/mach-mmp/include/mach/gpio-pxa.h
parent034ee299122c6b145d6d3cafb9ef5c329a4ab990 (diff)
parent5839fec9d8db35b2b07359b18a77295418e239ad (diff)
Merge branch 'next/fixes' into next/cleanup
Conflicts: arch/arm/mach-mxs/include/mach/gpio.h arch/arm/plat-mxc/include/mach/gpio.h drivers/video/omap/lcd_apollon.c drivers/video/omap/lcd_ldp.c drivers/video/omap/lcd_overo.c
Diffstat (limited to 'arch/arm/mach-mmp/include/mach/gpio-pxa.h')
-rw-r--r--arch/arm/mach-mmp/include/mach/gpio-pxa.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/include/mach/gpio-pxa.h b/arch/arm/mach-mmp/include/mach/gpio-pxa.h
new file mode 100644
index 00000000000..d14eeaf1632
--- /dev/null
+++ b/arch/arm/mach-mmp/include/mach/gpio-pxa.h
@@ -0,0 +1,30 @@
+#ifndef __ASM_MACH_GPIO_PXA_H
+#define __ASM_MACH_GPIO_PXA_H
+
+#include <mach/addr-map.h>
+#include <mach/irqs.h>
+
+#define GPIO_REGS_VIRT (APB_VIRT_BASE + 0x19000)
+
+#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2))
+#define GPIO_REG(x) (GPIO_REGS_VIRT + (x))
+
+#define NR_BUILTIN_GPIO IRQ_GPIO_NUM
+
+#define gpio_to_bank(gpio) ((gpio) >> 5)
+
+/* NOTE: these macros are defined here to make optimization of
+ * gpio_{get,set}_value() to work when 'gpio' is a constant.
+ * Usage of these macros otherwise is no longer recommended,
+ * use generic GPIO API whenever possible.
+ */
+#define GPIO_bit(gpio) (1 << ((gpio) & 0x1f))
+
+#define GPLR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x00)
+#define GPDR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x0c)
+#define GPSR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x18)
+#define GPCR(x) GPIO_REG(BANK_OFF(gpio_to_bank(x)) + 0x24)
+
+#include <plat/gpio-pxa.h>
+
+#endif /* __ASM_MACH_GPIO_PXA_H */