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arm64: dts: ti: k3-am64: Enable MDIO nodes at the board level

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MDIO nodes defined in the top-level AM64x 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 both CPSW and ICSSG) 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>
Acked-by: Vignesh Raghavendra <vigneshr@ti.com>
Link: https://lore.kernel.org/r/20221017192532.23825-9-afd@ti.com
This commit is contained in:
Andrew Davis
2022-10-17 14:25:30 -05:00
committed by Nishanth Menon
parent aa62d66124
commit f572888b3c
3 changed files with 5 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arm64/boot/dts/ti/k3-am64-main.dtsi
View File

@@ -552,6 +552,7 @@ cpsw3g_mdio: mdio@f00 {
clocks = <&k3_clks 13 0>;
clock-names = "fck";
bus_freq = <1000000>;
status = "disabled";
};
cpts@3d000 {
@@ -1168,6 +1169,7 @@ icssg0_mdio: mdio@32400 {
#address-cells = <1>;
#size-cells = <0>;
bus_freq = <1000000>;
status = "disabled";
};
};
@@ -1308,6 +1310,7 @@ icssg1_mdio: mdio@32400 {
clocks = <&k3_clks 82 0>;
clock-names = "fck";
bus_freq = <1000000>;
status = "disabled";
};
};

9
arch/arm64/boot/dts/ti/k3-am642-evm.dts
View File

@@ -440,6 +440,7 @@ &cpsw_port2 {
};
&cpsw3g_mdio {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&mdio1_pins_default>;
@@ -575,14 +576,6 @@ &ecap0 {
pinctrl-0 = <&main_ecap0_pins_default>;
};
&icssg0_mdio {
status = "disabled";
};
&icssg1_mdio {
status = "disabled";
};
&main_mcan0 {
pinctrl-names = "default";
pinctrl-0 = <&main_mcan0_pins_default>;

9
arch/arm64/boot/dts/ti/k3-am642-sk.dts
View File

@@ -454,6 +454,7 @@ &cpsw_port2 {
};
&cpsw3g_mdio {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&mdio1_pins_default>;
@@ -566,14 +567,6 @@ &ecap0 {
pinctrl-0 = <&main_ecap0_pins_default>;
};
&icssg0_mdio {
status = "disabled";
};
&icssg1_mdio {
status = "disabled";
};
&main_mcan0 {
status = "disabled";
};