[U-Boot,7/7] i2c: mxs: Fix TIMING2 register value

Submitted by Marek Vasut on Nov. 13, 2012, 12:34 a.m.

Details

Message ID 1352766871-892-7-git-send-email-marex@denx.de
State Awaiting Upstream
Delegated to: Heiko Schocher
Headers show

Commit Message

Marek Vasut Nov. 13, 2012, 12:34 a.m.
According to FSL, the value in the TIMING2 register shall be 0x00300030
instead of what's written in the datasheet. This new value correlates
with older STMP36xx datasheet. Issues were detected in Linux when this
register was misconfigured, so write this correct value.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
---
 drivers/i2c/mxs_i2c.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

Patch hide | download patch | download mbox

diff --git a/drivers/i2c/mxs_i2c.c b/drivers/i2c/mxs_i2c.c
index 3771452..006fb91 100644
--- a/drivers/i2c/mxs_i2c.c
+++ b/drivers/i2c/mxs_i2c.c
@@ -267,8 +267,8 @@  int i2c_set_bus_speed(unsigned int speed)
 	writel(spd->timing0, &i2c_regs->hw_i2c_timing0);
 	writel(spd->timing1, &i2c_regs->hw_i2c_timing1);
 
-	writel((0x0015 << I2C_TIMING2_BUS_FREE_OFFSET) |
-		(0x000d << I2C_TIMING2_LEADIN_COUNT_OFFSET),
+	writel((0x0030 << I2C_TIMING2_BUS_FREE_OFFSET) |
+		(0x0030 << I2C_TIMING2_LEADIN_COUNT_OFFSET),
 		&i2c_regs->hw_i2c_timing2);
 
 	return 0;