From: Markus Niebel Date: Fri, 3 Feb 2017 15:24:59 +0000 (+0100) Subject: imx6: tqma6: use lower driver stength for I2C pins X-Git-Tag: v2017.05-rc1~49^2~34 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=03cfff0e48495a7904c005aae67ccd38b7f92512;p=platform%2Fkernel%2Fu-boot.git 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 --- 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)