[PATCH] arm64: dts: ls1028a: sl28: get MAC addresses from VPD

From: Michael Walle
Date: Thu Jan 05 2023 - 10:23:33 EST


Now that it is finally possible to get the MAC addresses from the OTP
memory, use it to set the addresses of the network devices.

There are 8 reserved MAC addresses in total per board. Distribute them
as follows:

+----------+------+------+------+------+------+
| | var1 | var2 | var3 | var4 | kbox |
+----------+------+------+------+------+------+
| enetc #0 | +0 | | | +0 | +0 |
| enetc #1 | | | +0 | +1 | +1 |
| enetc #2 | | +2 | | | +2 |
| enetc #3 | | +3 | | | +3 |
| felix p0 | | +0 | | | +4 |
| felix p1 | | +1 | | | +5 |
| felix p2 | | | | | +6 |
| felix p3 | | | | | +7 |
| felix p4 | | | | | |
| felix p5 | | | | | |
+----------+------+------+------+------+------+

An empty cell means, the port is not available and thus doesn't need an
ethernet address.

Signed-off-by: Michael Walle <michael@xxxxxxxx>
---
.../fsl-ls1028a-kontron-kbox-a-230-ls.dts | 12 ++++++++++++
.../freescale/fsl-ls1028a-kontron-sl28-var1.dts | 2 ++
.../freescale/fsl-ls1028a-kontron-sl28-var2.dts | 8 ++++++++
.../freescale/fsl-ls1028a-kontron-sl28-var4.dts | 2 ++
.../dts/freescale/fsl-ls1028a-kontron-sl28.dts | 17 +++++++++++++++++
5 files changed, 41 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dts
index 73eb6061c73e..af9194eca556 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-kbox-a-230-ls.dts
@@ -56,10 +56,14 @@ qsgmii_phy3: ethernet-phy@10 {
};

&enetc_port2 {
+ nvmem-cells = <&base_mac_address 2>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};

&enetc_port3 {
+ nvmem-cells = <&base_mac_address 3>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};

@@ -80,6 +84,8 @@ &mscc_felix_port0 {
managed = "in-band-status";
phy-handle = <&qsgmii_phy0>;
phy-mode = "qsgmii";
+ nvmem-cells = <&base_mac_address 4>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};

@@ -88,6 +94,8 @@ &mscc_felix_port1 {
managed = "in-band-status";
phy-handle = <&qsgmii_phy1>;
phy-mode = "qsgmii";
+ nvmem-cells = <&base_mac_address 5>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};

@@ -96,6 +104,8 @@ &mscc_felix_port2 {
managed = "in-band-status";
phy-handle = <&qsgmii_phy2>;
phy-mode = "qsgmii";
+ nvmem-cells = <&base_mac_address 6>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};

@@ -104,6 +114,8 @@ &mscc_felix_port3 {
managed = "in-band-status";
phy-handle = <&qsgmii_phy3>;
phy-mode = "qsgmii";
+ nvmem-cells = <&base_mac_address 7>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts
index 7cd29ab970d9..1f34c7553459 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts
@@ -55,5 +55,7 @@ &enetc_port0 {
&enetc_port1 {
phy-handle = <&phy0>;
phy-mode = "rgmii-id";
+ nvmem-cells = <&base_mac_address 0>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dts
index 113b1df74bf8..aac41192caa1 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var2.dts
@@ -36,10 +36,14 @@ &enetc_port0 {
};

&enetc_port2 {
+ nvmem-cells = <&base_mac_address 2>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};

&enetc_port3 {
+ nvmem-cells = <&base_mac_address 3>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};

@@ -52,6 +56,8 @@ &mscc_felix_port0 {
managed = "in-band-status";
phy-handle = <&phy0>;
phy-mode = "sgmii";
+ nvmem-cells = <&base_mac_address 0>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};

@@ -60,6 +66,8 @@ &mscc_felix_port1 {
managed = "in-band-status";
phy-handle = <&phy1>;
phy-mode = "sgmii";
+ nvmem-cells = <&base_mac_address 1>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts
index 9b5e92fb753e..a4421db3784e 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var4.dts
@@ -43,5 +43,7 @@ vddh: vddh-regulator {
&enetc_port1 {
phy-handle = <&phy1>;
phy-mode = "rgmii-id";
+ nvmem-cells = <&base_mac_address 1>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
index 4ab17b984b03..8b65af4a7147 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
@@ -92,6 +92,8 @@ &enetc_port0 {
phy-handle = <&phy0>;
phy-mode = "sgmii";
managed = "in-band-status";
+ nvmem-cells = <&base_mac_address 0>;
+ nvmem-cell-names = "mac-address";
status = "okay";
};

@@ -154,6 +156,21 @@ partition@3e0000 {
label = "bootloader environment";
};
};
+
+ otp-1 {
+ compatible = "user-otp";
+
+ nvmem-layout {
+ compatible = "kontron,sl28-vpd";
+
+ serial_number: serial-number {
+ };
+
+ base_mac_address: base-mac-address {
+ #nvmem-cell-cells = <1>;
+ };
+ };
+ };
};
};

--
2.30.2