[media] cxd2820r: add I2C driver bindings

Add I2C driver bindings in order to support proper I2C driver
registration with driver core.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/media/dvb-frontends/cxd2820r.h b/drivers/media/dvb-frontends/cxd2820r.h
index 56d42760263d..d77afe0b8a9e 100644
--- a/drivers/media/dvb-frontends/cxd2820r.h
+++ b/drivers/media/dvb-frontends/cxd2820r.h
@@ -37,6 +37,32 @@
 #define CXD2820R_TS_PARALLEL      0x30
 #define CXD2820R_TS_PARALLEL_MSB  0x70
 
+/*
+ * I2C address: 0x6c, 0x6d
+ */
+
+/**
+ * struct cxd2820r_platform_data - Platform data for the cxd2820r driver
+ * @ts_mode: TS mode.
+ * @ts_clk_inv: TS clock inverted.
+ * @if_agc_polarity: IF AGC polarity.
+ * @spec_inv: Input spectrum inverted.
+ * @gpio_chip_base: GPIO.
+ * @get_dvb_frontend: Get DVB frontend.
+ */
+
+struct cxd2820r_platform_data {
+        u8 ts_mode;
+        bool ts_clk_inv;
+        bool if_agc_polarity;
+        bool spec_inv;
+        int **gpio_chip_base;
+
+        struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
+/* private: For legacy media attach wrapper. Do not set value. */
+        bool attach_in_use;
+};
+
 struct cxd2820r_config {
         /* Demodulator I2C address.
          * Driver determines DVB-C slave I2C address automatically from master