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[1/4] i2c: designware_i2c: Fix IC_CON register setting for high speed mode

Message ID 1583139537-65602-2-git-send-email-ptchentw@gmail.com
State Accepted
Commit 70c894f85e9e116b8f215f522ed96b60ac60f201
Delegated to: Heiko Schocher
Headers show
Series i2c: designware_i2c: Improvements for high speed mode | expand

Commit Message

Jun Chen March 2, 2020, 8:58 a.m. UTC 
From: Jun Chen <jun.chen@vatics.com>

IC_CON[2:1] should be 3 for high speed mode

Signed-off-by: Jun Chen <ptchentw@gmail.com>
Signed-off-by: Jun Chen <jun.chen@vatics.com>
---

 drivers/i2c/designware_i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Heiko Schocher March 17, 2020, 5:13 a.m. UTC | #1 
Hello Jun Chen,

Am 02.03.2020 um 09:58 schrieb Jun Chen:
> From: Jun Chen <jun.chen@vatics.com>
> 
> IC_CON[2:1] should be 3 for high speed mode
> 
> Signed-off-by: Jun Chen <ptchentw@gmail.com>
> Signed-off-by: Jun Chen <jun.chen@vatics.com>
> ---
> 
>   drivers/i2c/designware_i2c.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

Applied to u-boot-i2c next, thanks!

bye,
Heiko
diff mbox series

Patch

diff --git a/drivers/i2c/designware_i2c.c b/drivers/i2c/designware_i2c.c
index 0b5e70a..9186fcb 100644
--- a/drivers/i2c/designware_i2c.c
+++ b/drivers/i2c/designware_i2c.c
@@ -274,7 +274,7 @@  static int _dw_i2c_set_bus_speed(struct dw_i2c *priv, struct i2c_regs *i2c_base,
 
 	switch (config.speed_mode) {
 	case IC_SPEED_MODE_HIGH:
-		cntl |= IC_CON_SPD_SS;
+		cntl |= IC_CON_SPD_HS;
 		writel(config.scl_hcnt, &i2c_base->ic_hs_scl_hcnt);
 		writel(config.scl_lcnt, &i2c_base->ic_hs_scl_lcnt);
 		break;