1 files changed, 35 insertions, 0 deletions

diff --git a/include/linux/platform_data/gpio-davinci.h b/include/linux/platform_data/gpio-davinci.h
index 2fcc125af1aa..6efd20264585 100644
--- a/include/linux/platform_data/gpio-davinci.h
+++ b/include/linux/platform_data/gpio-davinci.h
@@ -16,10 +16,45 @@
 #ifndef __DAVINCI_GPIO_PLATFORM_H
 #define __DAVINCI_GPIO_PLATFORM_H
 
+#include <linux/io.h>
+#include <linux/spinlock.h>
+
+#include <asm-generic/gpio.h>
+
+enum davinci_gpio_type {
+        GPIO_TYPE_TNETV107X = 0,
+};
+
 struct davinci_gpio_platform_data {
         u32     ngpio;
         u32     gpio_unbanked;
         u32     intc_irq_num;
 };
 
+
+struct davinci_gpio_controller {
+        struct gpio_chip        chip;
+        int                     irq_base;
+        /* Serialize access to GPIO registers */
+        spinlock_t              lock;
+        void __iomem            *regs;
+        void __iomem            *set_data;
+        void __iomem            *clr_data;
+        void __iomem            *in_data;
+        int                     gpio_unbanked;
+        unsigned                gpio_irq;
+};
+
+/*
+ * basic gpio routines
+ */
+#define GPIO(X)         (X)     /* 0 <= X <= (DAVINCI_N_GPIO - 1) */
+
+/* Convert GPIO signal to GPIO pin number */
+#define GPIO_TO_PIN(bank, gpio) (16 * (bank) + (gpio))
+
+static inline u32 __gpio_mask(unsigned gpio)
+{
+        return 1 << (gpio % 32);
+}
 #endif