1 files changed, 18 insertions, 0 deletions

diff --git a/include/linux/i2c/pca953x.h b/include/linux/i2c/pca953x.h
new file mode 100644
index 000000000000..611d84ab7a30
--- /dev/null
+++ b/include/linux/i2c/pca953x.h
@@ -0,0 +1,18 @@
+/* platform data for the PCA9539 16-bit I/O expander driver */
+
+struct pca9539_platform_data {
+        /* number of the first GPIO */
+        unsigned        gpio_base;
+
+        /* initial polarity inversion setting */
+        uint16_t        invert;
+
+        void            *context;       /* param to setup/teardown */
+
+        int             (*setup)(struct i2c_client *client,
+                                unsigned gpio, unsigned ngpio,
+                                void *context);
+        int             (*teardown)(struct i2c_client *client,
+                                unsigned gpio, unsigned ngpio,
+                                void *context);
+};