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| author |   Chris Packham <chris.packham@alliedtelesis.co.nz> | 2020-09-08 09:17:10 +1200 |
|---|---|---|
| committer |   Linus Walleij <linus.walleij@linaro.org> | 2020-09-12 18:14:39 +0200 |
| commit | 63c3212e7a37d68c89a13bdaebce869f4e064e67 (patch) | |
| tree | d087851da433da3505f0c2be65a176fae21fd739 /drivers/pinctrl | |
| parent | Linux 5.9-rc2 (diff) | |
| download | linux-dev-63c3212e7a37d68c89a13bdaebce869f4e064e67.tar.xz linux-dev-63c3212e7a37d68c89a13bdaebce869f4e064e67.zip | |
pinctrl: mvebu: Fix i2c sda definition for 98DX3236
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: d7ae8f8dee7f ("pinctrl: mvebu: pinctrl driver for 98DX3236 SoC")
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20200907211712.9697-2-chris.packham@alliedtelesis.co.nz
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/mvebu/pinctrl-armada-xp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c index a767a05fa3a0..48e2a6c56a83 100644 --- a/drivers/pinctrl/mvebu/pinctrl-armada-xp.c +++ b/drivers/pinctrl/mvebu/pinctrl-armada-xp.c @@ -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)), |