arm64: marvell: 7k/8k: improve network support

Hi all,

This series improves the network support on Marvell 7k and 8k platforms by adding descriptions of the comphy, and by using the comphy in already available networking ports. The series also introduces a description of the SFP ports on the Marvell Armada 7040-db and 8040-db.

Two defconfig patches also improve the Marvell ARM64 support by enabling required options allowing to use the networking ports properly.

This series follows recent improvements in the PPv2 driver.

Based on v4.14-rc1, and tested on the Marvell Armada 7040-db, 8040-db and 8040-mcbin.

Thanks!
Antoine

Since v1:
- Added comments in nodes using both a network PHY and a generic PHY.
- 4 patches were applied on mvebu trees.

Antoine Tenart (4):
arm64: dts: marvell: mcbin: add comphy references to Ethernet ports
arm64: dts: marvell: 7040-db: add comphy reference to Ethernet port
arm64: dts: marvell: 7040-db: enable the SFP port
arm64: dts: marvell: 8040-db: enable the SFP ports

 arch/arm64/boot/dts/marvell/armada-7040-db.dts    | 11 +++++++++++
 arch/arm64/boot/dts/marvell/armada-8040-db.dts    | 10 ++++++++++
 arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts |  9 +++++++++
 3 files changed, 30 insertions(+)

2.13.5

This patch adds comphy phandles to the Ethernet ports in the mcbin device tree. The comphy is used to configure the serdes PHYs used by these ports.

---
 arch/arm64/boot/dts/marvell/armada-8040-mcbin.dts | 9 +++++++++
 1 file changed, 9 insertions(+)

index acf5c7d16d79..49d6590507b5 100644
@@ -222,8 +222,11 @@
 
 &cpm_eth0 {
 	status = "okay";
+	/* Network PHY */
 	phy = <&phy0>;
 	phy-mode = "10gbase-kr";
+	/* Generic PHY, providing serdes lanes */
+	phys = <&cpm_comphy4 0>;
 };
 
 &cpm_sata0 {

@@ -257,15 +260,21 @@
 
 &cps_eth0 {
 	status = "okay";
+	/* Network PHY */
 	phy = <&phy8>;
 	phy-mode = "10gbase-kr";
+	/* Generic PHY, providing serdes lanes */
+	phys = <&cps_comphy4 0>;
 };
 
 &cps_eth1 {
 	/* CPS Lane 0 - J5 (Gigabit RJ45) */
 	status = "okay";
+	/* Network PHY */
 	phy = <&ge_phy>;
 	phy-mode = "sgmii";
+	/* Generic PHY, providing serdes lanes */
+	phys = <&cps_comphy0 1>;
 };
 
 &cps_pinctrl {

2.13.5

Hi Antoine

This is much easier to understand. Thanks

Andrew

This patch adds a comphy phandle to the Ethernet port in the 7040-db device tree. The comphy is used to configure the serdes PHYs used by these ports.

---
 arch/arm64/boot/dts/marvell/armada-7040-db.dts | 3 +++
 1 file changed, 3 insertions(+)

index 9c3bdf87e543..06a7ea549a8f 100644
@@ -217,8 +217,11 @@
 
 &cpm_eth1 {
 	status = "okay";
+	/* Network PHY */
 	phy = <&phy0>;
 	phy-mode = "sgmii";
+	/* Generic PHY, providing serdes lanes */
+	phys = <&cpm_comphy0 1>;
 };
 
 &cpm_eth2 {

2.13.5

This patch enables the SFP port on the Armada 7040 DB as this port is now supported by the PPv2 driver (since the PHY is now optional).

---
 arch/arm64/boot/dts/marvell/armada-7040-db.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

index 06a7ea549a8f..7457b2ea9c4e 100644
@@ -215,6 +215,14 @@
 	status = "okay";
 };
 
+&cpm_eth0 {
+	status = "okay";
+	/* Network PHY */
+	phy-mode = "10gbase-kr";
+	/* Generic PHY, providing serdes lanes */
+	phys = <&cpm_comphy2 0>;
+};
+
 &cpm_eth1 {
 	status = "okay";
 	/* Network PHY */

2.13.5

This patch enables the SFP ports on the Armada 8040 DB as these ports are now supported by the PPv2 driver (since the PHY is now optional).

---
 arch/arm64/boot/dts/marvell/armada-8040-db.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)

index 0d7b2ae46610..26a018329a74 100644
@@ -200,6 +200,11 @@
 	status = "okay";
 };
 
+&cpm_eth0 {
+	status = "okay";
+	phy-mode = "10gbase-kr";
+};
+
 &cpm_eth2 {
 	status = "okay";
 	phy = <&phy1>;

@@ -244,6 +249,11 @@
 	status = "okay";
 };
 
+&cps_eth0 {
+	status = "okay";
+	phy-mode = "10gbase-kr";
+};
+
 &cps_eth1 {
 	status = "okay";
 	phy = <&phy0>;

2.13.5

Hi Antoine,

All applied on mvebu/dt64 and first with Testdd-by from Andrew.

Thanks,

Gregory

Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com