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authorMarek Vasut <marex@denx.de>2020-02-07 16:57:51 +0100
committerHeiko Schocher <hs@denx.de>2020-03-16 07:46:21 +0100
commita19172863335dcaa1b2a98009f0bfef2a61ab4a2 (patch)
tree67558ece91aae82299ca1717470a16877658aff0 /include/i2c.h
parent7231522a5ed1545d3206f5204676897d62a24f5f (diff)
i2c: Add option to send start condition after deblocking
Add option to send start condition after deblocking SDA. Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'include/i2c.h')
-rw-r--r--include/i2c.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/i2c.h b/include/i2c.h
index 7c92042c58..059200115a 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -339,12 +339,14 @@ int i2c_deblock(struct udevice *bus);
* @sda_pin: SDA GPIO
* @scl_pin: SCL GPIO
* @scl_count: Number of SCL clock cycles generated to deblock SDA
+ * @start_count:Number of I2C start conditions sent after deblocking SDA
* @delay: Delay between SCL clock line changes
* @return 0 if OK, -ve on error
*/
struct gpio_desc;
int i2c_deblock_gpio_loop(struct gpio_desc *sda_pin, struct gpio_desc *scl_pin,
- unsigned int scl_count, unsigned int delay);
+ unsigned int scl_count, unsigned int start_count,
+ unsigned int delay);
/**
* struct dm_i2c_ops - driver operations for I2C uclass