diff mbox

[U-Boot,2/5] imx6: tqma6: use lower driver stength for I2C pins

Message ID 1486135502-12034-3-git-send-email-niebelm@tqsc.de
State Accepted
Commit 03cfff0e48495a7904c005aae67ccd38b7f92512
Delegated to: Stefano Babic
Headers show

Commit Message

Markus Niebel Feb. 3, 2017, 3:24 p.m. UTC 
From: Markus Niebel <Markus.Niebel@tq-group.com>

The current driver stength is too high, leading to spec violations
on the falling edge. Fix it with values from HW

Signed-off-by: Markus Niebel <Markus.Niebel@tq-group.com>
---
 board/tqc/tqma6/tqma6.c      | 2 +-
 board/tqc/tqma6/tqma6_mba6.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/board/tqc/tqma6/tqma6.c b/board/tqc/tqma6/tqma6.c
index 59b4a6c..49917c1 100644
--- a/board/tqc/tqma6/tqma6.c
+++ b/board/tqc/tqma6/tqma6.c
@@ -47,7 +47,7 @@  DECLARE_GLOBAL_DATA_PTR;
 	PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
 
 #define I2C_PAD_CTRL	(PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
-	PAD_CTL_DSE_40ohm | PAD_CTL_HYS |			\
+	PAD_CTL_DSE_80ohm | PAD_CTL_HYS |			\
 	PAD_CTL_ODE | PAD_CTL_SRE_FAST)
 
 int dram_init(void)
diff --git a/board/tqc/tqma6/tqma6_mba6.c b/board/tqc/tqma6/tqma6_mba6.c
index 4db1a0b..af92967 100644
--- a/board/tqc/tqma6/tqma6_mba6.c
+++ b/board/tqc/tqma6/tqma6_mba6.c
@@ -51,7 +51,7 @@  DECLARE_GLOBAL_DATA_PTR;
 	PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
 
 #define I2C_PAD_CTRL	(PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
-	PAD_CTL_DSE_40ohm | PAD_CTL_HYS |			\
+	PAD_CTL_DSE_80ohm | PAD_CTL_HYS |			\
 	PAD_CTL_ODE | PAD_CTL_SRE_FAST)
 
 #if defined(CONFIG_MX6Q)