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authorSimon Glass <sjg@chromium.org>2020-01-23 21:48:15 +0300
committerHeiko Schocher <hs@denx.de>2020-01-27 09:22:01 +0300
commit96fe11c3dace9038e2df0e7c4625d1c3e330425f (patch)
tree031e52df4c897ca563ccf299ba16b2eaa7fe53bd /drivers/i2c/designware_i2c.h
parente71b6f6622d6a3380d866943799f36e473a3cd9b (diff)
downloadu-boot-96fe11c3dace9038e2df0e7c4625d1c3e330425f.tar.xz
i2c: designware_i2c: Add spike supression
Some versions of this peripheral include a spike-suppression phase of the bus. Add support for this. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'drivers/i2c/designware_i2c.h')
-rw-r--r--drivers/i2c/designware_i2c.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/i2c/designware_i2c.h b/drivers/i2c/designware_i2c.h
index f32dc0f854..8789c7d8ce 100644
--- a/drivers/i2c/designware_i2c.h
+++ b/drivers/i2c/designware_i2c.h
@@ -176,6 +176,7 @@ struct dw_scl_sda_cfg {
* @scl_rise_time_ns: Configured SCL rise time in nanoseconds
* @scl_fall_time_ns: Configured SCL fall time in nanoseconds
* @sda_hold_time_ns: Configured SDA hold time in nanoseconds
+ * @has_spk_cnt: true if the spike-count register is present
* @clk: Clock input to the I2C controller
*/
struct dw_i2c {
@@ -185,6 +186,7 @@ struct dw_i2c {
u32 scl_rise_time_ns;
u32 scl_fall_time_ns;
u32 sda_hold_time_ns;
+ bool has_spk_cnt;
#if CONFIG_IS_ENABLED(CLK)
struct clk clk;
#endif