[PATCH] ARM: dts: lan966x: Add support for SMA connectors
From: Horatiu Vultur
Date: Fri Apr 21 2023 - 07:39:39 EST
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@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/lan966x-pcb8309.dts | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/lan966x-pcb8309.dts b/arch/arm/boot/dts/lan966x-pcb8309.dts
index c436cd20d4b4c..0cb505f79ba1a 100644
--- a/arch/arm/boot/dts/lan966x-pcb8309.dts
+++ b/arch/arm/boot/dts/lan966x-pcb8309.dts
@@ -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";
};
--
2.38.0