From: Kishon Vijay Abraham I <kishon@xxxxxx>
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@xxxxxx>
Signed-off-by: Roger Quadros <rogerq@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts | 6 ++++++
1 file changed, 6 insertions(+)
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..0ecaba600704 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/mux-j7200-wiz.h>
/ {
chosen {
@@ -139,3 +140,8 @@
ti,driver-strength-ohm = <50>;
disable-wp;
};
+
+&serdes_ln_ctrl {
+ idle-states = <SERDES0_LANE0_PCIE1_LANE0>, <SERDES0_LANE1_PCIE1_LANE1>,
+ <SERDES0_LANE2_QSGMII_LANE1>, <SERDES0_LANE3_IP4_UNUSED>;
+};
--
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