mpc85xx: define reset-delay for WS-AP3825i eth PHY
authorDavid Bauer <mail@david-bauer.net>
Sun, 24 Apr 2022 21:48:42 +0000 (23:48 +0200)
committerDavid Bauer <mail@david-bauer.net>
Mon, 25 Apr 2022 23:04:17 +0000 (01:04 +0200)
The WS-AP3825i uses Atheros PHYs which according to the datasheet
require the reset to be asserted for at least 1 ms.

This fixes broken eth1 upon soft-reboot. eth0 is no affected, as the
ifup / ifdown cycle in preinit prevents this issue from happening when
the system is ready.

Reported-by: Tom Herbers <freifunk@tomherbers.de>
Signed-off-by: David Bauer <mail@david-bauer.net>
(cherry picked from commit 8b3c313515c1ae37be9d61a4e92c4bf4b43f605f)

target/linux/mpc85xx/files/arch/powerpc/boot/dts/ws-ap3825i.dts

index 43c044b4fc6ccce01d6714e8a783353af2dae22f..26f742b222c396a72ffdabef11135f907988e193 100644 (file)
                                interrupts = <3 1 0 0>;
                                reg = <0x5>;
                                reset-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
+                               reset-assert-us = <10000>;
+                               reset-deassert-us = <10000>;
                        };
 
                        phy2: ethernet-phy@2 {
                                interrupts = <1 1 0 0>;
                                reg = <0x6>;
                                reset-gpios = <&gpio0 7 GPIO_ACTIVE_LOW>;
+                               reset-assert-us = <10000>;
+                               reset-deassert-us = <10000>;
                        };
                };