There is a new variant 1 of this board available. It features up to four
SerDes lanes for customer use. Add a new device tree which features just
the basic peripherals. A customer will then have to modify or append to
this device tree.
Signed-off-by: Michael Walle <michael@xxxxxxxx>
---
changes since v1:
- removed unnecessary newlines
- added comment about /delete-*/ statements
arch/arm64/boot/dts/freescale/Makefile | 1 +
.../fsl-ls1028a-kontron-sl28-var1.dts | 62 +++++++++++++++++++
2 files changed, 63 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 901d80086b47..0dd038bc0095 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -6,6 +6,7 @@ dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-qds.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1012a-rdb.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-kbox-a-230-ls.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28.dtb
+dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var1.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var2.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var3-ads2.dtb
dtb-$(CONFIG_ARCH_LAYERSCAPE) += fsl-ls1028a-kontron-sl28-var4.dtb
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
new file mode 100644
index 000000000000..6c309b97587d
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Device Tree file for the Kontron SMARC-sAL28 board.
+ *
+ * This is for the network variant 1 which has one ethernet port. It is
+ * different than the base variant, which also has one port, but here the
+ * port is connected via RGMII. This port is not TSN aware.
+ * None of the four SerDes lanes are used by the module, instead they are
+ * all led out to the carrier for customer use.
+ *
+ * Copyright (C) 2020 Michael Walle <michael@xxxxxxxx>
+ *
+ */
+
+/dts-v1/;
+#include "fsl-ls1028a-kontron-sl28.dts"
+#include <dt-bindings/net/qca-ar803x.h>
+
+/ {
+ model = "Kontron SMARC-sAL28 (4 Lanes)";
+ compatible = "kontron,sl28-var1", "kontron,sl28", "fsl,ls1028a";
+};
+
+&enetc_port0 {
+ status = "disabled";
+ /*
+ * Delete both the phy-handle to the old phy0 label as well as
+ * the mdio node with the old phy node with the old phy0 label.
+ */
+ /delete-property/ phy-handle;
+ /delete-node/ mdio;
+};
+
+&enetc_port1 {
+ phy-handle = <&phy0>;
+ phy-connection-type = "rgmii-id";
+ status = "okay";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy0: ethernet-phy@4 {
+ reg = <0x4>;
+ eee-broken-1000t;
+ eee-broken-100tx;
+ qca,clk-out-frequency = <125000000>;
+ qca,clk-out-strength = <AR803X_STRENGTH_FULL>;
+ vddio-supply = <&vddh>;
+
+ vddio: vddio-regulator {
+ regulator-name = "VDDIO";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+
+ vddh: vddh-regulator {
+ regulator-name = "VDDH";
+ };
+ };
+ };
+};
--
2.20.1
