From 03cfff0e48495a7904c005aae67ccd38b7f92512 Mon Sep 17 00:00:00 2001 From: Markus Niebel <Markus.Niebel@tq-group.com> Date: Fri, 3 Feb 2017 16:24:59 +0100 Subject: [PATCH] imx6: tqma6: use lower driver stength for I2C pins 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 --git a/board/tqc/tqma6/tqma6.c b/board/tqc/tqma6/tqma6.c index 59b4a6c2ee..49917c1d64 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 4db1a0bb7d..af92967392 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) -- 2.39.5