RepoMirrors
/
openwrt
mirror of git://git.openwrt.org/openwrt/openwrt.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ipq40xx: wpj428: fix missing MDIO GPIO reset and pinmux 

The bootloader does not always initialize the MDIO pins before booting
Linux. E.g. on version "U-Boot 2012.07 [Chaos Calmer 15.05.1,r35193] (Jul
25 2017 - 11:36:26)" this is the case when booting automatically without
activating the U-Boot console.

Without this change, the kernel boot will complain about missing PHYs:

 libphy: ipq40xx_mdio: probed
 ar40xx c000000.ess-switch: Probe failed - Missing PHYs!
 libphy: Fixed MDIO Bus: probed

With this change it will work as expected:

 libphy: ipq40xx_mdio: probed
 ESS reset ok!
 ESS reset ok!
 libphy: Fixed MDIO Bus: probed

Ref: GH-2835
Tested-by: Fredrik Olofsson <fredrik.olofsson@anyfinetworks.com>
Signed-off-by: Leon M. George <leon@georgemail.eu>
[commit description from Fredrik, subject facelift]
Signed-off-by: Petr Štetiar <ynezz@true.cz>
This commit is contained in:
Leon M. George 2019-11-11 14:10:50 +01:00 committed by Petr Štetiar
parent c3178110b5
commit d59137d1d9
2 changed files with 36 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
target/linux/ipq40xx/files-4.19/arch/arm/boot/dts/qcom-ipq4028-wpj428.dts
View File

@ -32,6 +32,10 @@
mdio@90000 {
status = "okay";
pinctrl-0 = <&mdio_pins>;
pinctrl-names = "default";
reset-gpios = <&tlmm 59 GPIO_ACTIVE_LOW>;
reset-delay-us = <2000>;
};
ess-psgmii@98000 {
@ -129,6 +133,20 @@
};
&tlmm {
mdio_pins: mdio_pinmux {
mux_1 {
pins = "gpio53";
function = "mdio";
bias-pull-up;
};
mux_2 {
pins = "gpio52";
function = "mdc";
bias-pull-up;
};
};
serial_pins: serial_pinmux {
mux {
pins = "gpio60", "gpio61";

18
target/linux/ipq40xx/files-5.4/arch/arm/boot/dts/qcom-ipq4028-wpj428.dts
View File

@ -32,6 +32,10 @@
mdio@90000 {
status = "okay";
pinctrl-0 = <&mdio_pins>;
pinctrl-names = "default";
reset-gpios = <&tlmm 59 GPIO_ACTIVE_LOW>;
reset-delay-us = <2000>;
};
ess-psgmii@98000 {
@ -129,6 +133,20 @@
};
&tlmm {
mdio_pins: mdio_pinmux {
mux_1 {
pins = "gpio53";
function = "mdio";
bias-pull-up;
};
mux_2 {
pins = "gpio52";
function = "mdc";
bias-pull-up;
};
};
serial_pins: serial_pinmux {
mux {
pins = "gpio60", "gpio61";