From revision J the board uses new phy chip LAN8710. Compared
with RTL8201, RA17 pin is TXERR. It has pullup which causes phy
not to work. To fix this PA17 is muxed with GMAC function. This
makes the pin output-low.
Signed-off-by: Stefan Mavrodiev <ste...@olimex.com>
---
arch/arm/dts/sun7i-a20-olinuxino-micro.dts | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/arm/dts/sun7i-a20-olinuxino-micro.dts
b/arch/arm/dts/sun7i-a20-olinuxino-micro.dts
index 7e3006f..0bc5ea9 100644
--- a/arch/arm/dts/sun7i-a20-olinuxino-micro.dts
+++ b/arch/arm/dts/sun7i-a20-olinuxino-micro.dts
@@ -95,7 +95,7 @@
&gmac {
pinctrl-names = "default";
- pinctrl-0 = <&gmac_pins_mii_a>;
+ pinctrl-0 = <&gmac_pins_mii_a>,<&gmac_txerr>;
phy = <&phy1>;
phy-mode = "mii";
status = "okay";
@@ -226,6 +226,13 @@
};
&pio {
+ gmac_txerr: gmac_txerr@0 {
+ allwinner,pins = "PA17";
+ allwinner,function = "gpio_out";
+ allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+ allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+ };
+
mmc3_cd_pin_olinuxinom: mmc3_cd_pin@0 {
allwinner,pins = "PH11";
allwinner,function = "gpio_in";
--
2.7.4
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