diff mbox series

[v4,5/6] arm64: dts: ti: k3-j7200-common-proc-board: Configure the SERDES lane function

Message ID 20200921143941.13905-6-rogerq@ti.com (mailing list archive)
State New, archived
Headers show
Series arm64: dts: ti: Add USB support for J7200 EVM | expand

Commit Message

Roger Quadros Sept. 21, 2020, 2:39 p.m. UTC 
From: Kishon Vijay Abraham I <kishon@ti.com>

First two lanes of SERDES is connected to PCIe, third lane is
connected to QSGMII and the last lane is connected to USB. However,
Cadence torrent SERDES doesn't support more than 2 protocols
at the same time. Configure it only for PCIe and QSGMII.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
---
 arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
index 8e534ef8a3f5..6ab9d5d33a72 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
@@ -6,6 +6,7 @@ 
 /dts-v1/;
 
 #include "k3-j7200-som-p0.dtsi"
+#include <dt-bindings/mux/ti-serdes.h>
 
 / {
 	chosen {
@@ -139,3 +140,8 @@ 
 	ti,driver-strength-ohm = <50>;
 	disable-wp;
 };
+
+&serdes_ln_ctrl {
+	idle-states = <J7200_SERDES0_LANE0_PCIE1_LANE0>, <J7200_SERDES0_LANE1_PCIE1_LANE1>,
+		      <J7200_SERDES0_LANE2_QSGMII_LANE1>, <J7200_SERDES0_LANE3_IP4_UNUSED>;
+};