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pinctrl: mvebu: Fix i2c sda definition for 98DX3236

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[ Upstream commit 63c3212e7a37d68c89a13bdaebce869f4e064e67 ]

Per the datasheet the i2c functions use MPP_Sel=0x1. They are documented
as using MPP_Sel=0x4 as well but mixing 0x1 and 0x4 is clearly wrong. On
the board tested 0x4 resulted in a non-functioning i2c bus so stick with
0x1 which works.

Fixes: d7ae8f8dee ("pinctrl: mvebu: pinctrl driver for 98DX3236 SoC")
Signed-off-by: Chris Packham <[email protected]>
Reviewed-by: Andrew Lunn <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Linus Walleij <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Chris Packham 2020-09-08 09:17:10 +12:00 • committed by Greg Kroah-Hartman
commit 6c5a11ead9
1 changed files with 1 additions and 1 deletions
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2
drivers/pinctrl/mvebu/pinctrl-armada-xp.c
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@ -414,7 +414,7 @@ static struct mvebu_mpp_mode mv98dx3236_mpp_modes[] = {
MPP_VAR_FUNCTION(0x1, "i2c0", "sck", V_98DX3236_PLUS)),
MPP_MODE(15,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_98DX3236_PLUS),
MPP_VAR_FUNCTION(0x4, "i2c0", "sda", V_98DX3236_PLUS)),
MPP_VAR_FUNCTION(0x1, "i2c0", "sda", V_98DX3236_PLUS)),
MPP_MODE(16,
MPP_VAR_FUNCTION(0x0, "gpo", NULL, V_98DX3236_PLUS),
MPP_VAR_FUNCTION(0x4, "dev", "oe", V_98DX3236_PLUS)),