@@ -144,6 +144,18 @@ fc4_b_pins: fc4-b-pins {
function = "fc4_b";
};
+ pps_out_pins: pps-out-pins {
+ /* 1pps output */
+ pins = "GPIO_38";
+ function = "ptpsync_3";
+ };
+
+ ptp_ext_pins: ptp-ext-pins {
+ /* 1pps input */
+ pins = "GPIO_39";
+ function = "ptpsync_4";
+ };
+
sgpio_a_pins: sgpio-a-pins {
/* SCK, D0, D1, LD */
pins = "GPIO_32", "GPIO_33", "GPIO_34", "GPIO_35";
@@ -212,5 +224,7 @@ gpio@1 {
};
&switch {
+ pinctrl-0 = <&pps_out_pins>, <&ptp_ext_pins>;
+ pinctrl-names = "default";
status = "okay";
};
The pcb8309 has 2 SMA connectors which are connected to the lan966x chip. The lan966x can generate 1PPS output on one of them and it can receive 1PPS input on the other one. Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com> --- arch/arm/boot/dts/lan966x-pcb8309.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+)