arm64: dts: ti: k3-am62: Enable MDIO nodes at the board level

MDIO nodes defined in the top-level AM62x SoC dtsi files are incomplete
and will not be functional unless they are extended with a pinmux.

As the attached PHY is only known about at the board integration level,
these nodes should only be enabled when provided with this information.

Disable the MDIO nodes in the dtsi files and only enable the ones that
are actually pinned out on a given board.

Signed-off-by: Andrew Davis <afd@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20221018211533.21335-8-afd@ti.com

diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index a580867e68b2ae3ce33dc5c490e372e27bc7dac4..5169f77cd37a799d822b30f8f521b3f0d98558d6 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -534,6 +534,7 @@
                        clocks = <&k3_clks 13 0>;
                        clock-names = "fck";
                        bus_freq = <1000000>;
+                       status = "disabled";
                };
 
                cpts@3d000 {

diff --git a/arch/arm64/boot/dts/ti/k3-am625-sk.dts b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
index 318ec805ff54d199c1622cc93d6e8ee81ea48597..b8938eb9c55ac46a487a3cb0cc7d6258a20973d9 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am625-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am625-sk.dts
@@ -368,6 +368,7 @@
 };
 
 &cpsw3g_mdio {
+       status = "okay";
        pinctrl-names = "default";
        pinctrl-0 = <&main_mdio1_pins_default>;