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..3c7361217df8
--- /dev/null
+++ b/include/linux/i2c/pca953x.h
@@ -0,0 +1,18 @@
+/* platform data for the PCA9539 16-bit I/O expander driver */
+
+struct pca953x_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);
+};