It was found that pin 63 also works as input and so the respective function
is renamed from "gpo" to "gpio". The respective commit in Linux is:
a526973e0291 ("pinctrl: mvebu: Fix mapping of pin 63 (gpo -> gpio)")
which appeared in v4.1-rc3. The devicetrees are fixed accordingly since
commit
ce5cad51f381 ("ARM: dts: armada-370: Update the mpp63 function in the device tree on Armada 370")
which appeared in v4.6-rc1.
This fixes a runtime warning on the affected machines
(globalscale-mirabox and netgear-rn104) and makes the pin functional
again.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
---
drivers/pinctrl/mvebu/armada-370.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/pinctrl/mvebu/armada-370.c b/drivers/pinctrl/mvebu/armada-370.c
index 1c79bd62af92..c2c1a0fa6399 100644
--- a/drivers/pinctrl/mvebu/armada-370.c
+++ b/drivers/pinctrl/mvebu/armada-370.c
@@ -362,7 +362,7 @@ static struct mvebu_mpp_mode mv88f6710_mpp_modes[] = {
MPP_FUNCTION(0x5, "audio", "mclk"),
MPP_FUNCTION(0x6, "uart0", "cts")),
MPP_MODE(63, "mpp63", armada_370_mpp_ctrl,
- MPP_FUNCTION(0x0, "gpo", NULL),
+ MPP_FUNCTION(0x0, "gpio", NULL),
MPP_FUNCTION(0x1, "spi0", "sck"),
MPP_FUNCTION(0x2, "tclk", NULL)),
MPP_MODE(64, "mpp64", armada_370_mpp_ctrl,
--
2.9.3
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