For VSC8351 and similar PHYs, a new property was added to generate a clock signal on the CLKOUT pin. This change documents the change in the device-tree bindings doc. Signed-off-by: Alexandru Ardelean <alex@xxxxxxxxxxx> --- Changelog v1 -> v2: * https://lore.kernel.org/netdev/20230706081554.1616839-2-alex@xxxxxxxxxxx/ * changed property name 'vsc8531,clkout-freq-mhz' -> 'mscc,clkout-freq-mhz' as requested by Rob * added 'net-next' tag as requested by Andrew Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt index 0a3647fe331b..085d0e8a834e 100644 --- a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt +++ b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt @@ -31,6 +31,10 @@ Optional properties: VSC8531_LINK_100_ACTIVITY (2), VSC8531_LINK_ACTIVITY (0) and VSC8531_DUPLEX_COLLISION (8). +- mscc,clkout-freq-mhz : For VSC8531 and similar PHYs, this will output + a clock signal on the CLKOUT pin of the chip. + The supported values are 25, 50 & 125 Mhz. + Default value is no clock signal on the CLKOUT pin. - load-save-gpios : GPIO used for the load/save operation of the PTP hardware clock (PHC). @@ -69,5 +73,6 @@ Example: vsc8531,edge-slowdown = <7>; vsc8531,led-0-mode = <VSC8531_LINK_1000_ACTIVITY>; vsc8531,led-1-mode = <VSC8531_LINK_100_ACTIVITY>; + mscc,clkout-freq-mhz = <50>; load-save-gpios = <&gpio 10 GPIO_ACTIVE_HIGH>; }; -- 2.41.0
