2020-12-29 12:05:58

by Michael Walle

[permalink] [raw]
Subject: [PATCH 1/2] dt-bindings: arm: fsl: add Kontron sl28 variant 1

Add the a new variant for the Kontron SMARC-sAL28 board.

Signed-off-by: Michael Walle <[email protected]>
---
Documentation/devicetree/bindings/arm/fsl.yaml | 3 +++
1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
index 34000f7fbe02..7769a72ab9b1 100644
--- a/Documentation/devicetree/bindings/arm/fsl.yaml
+++ b/Documentation/devicetree/bindings/arm/fsl.yaml
@@ -834,10 +834,12 @@ properties:
Kontron SMARC-sAL28 board on the SMARC Eval Carrier 2.0
items:
- enum:
+ - kontron,sl28-var1-ads2
- kontron,sl28-var2-ads2
- kontron,sl28-var3-ads2
- kontron,sl28-var4-ads2
- enum:
+ - kontron,sl28-var1
- kontron,sl28-var2
- kontron,sl28-var3
- kontron,sl28-var4
@@ -848,6 +850,7 @@ properties:
Kontron SMARC-sAL28 board (on a generic/undefined carrier)
items:
- enum:
+ - kontron,sl28-var1
- kontron,sl28-var2
- kontron,sl28-var3
- kontron,sl28-var4
--
2.20.1


2020-12-29 12:06:12

by Michael Walle

[permalink] [raw]
Subject: [PATCH 2/2] arm64: dts: freescale: sl28: add variant 1

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 <[email protected]>
---
arch/arm64/boot/dts/freescale/Makefile | 1 +
.../fsl-ls1028a-kontron-sl28-var1.dts | 61 +++++++++++++++++++
2 files changed, 62 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 6f0777ee6cd6..79cb0025fcc6 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..52f2f3ffdce1
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts
@@ -0,0 +1,61 @@
+// 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 <[email protected]>
+ *
+ */
+
+/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-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

2021-01-11 01:36:59

by Shawn Guo

[permalink] [raw]
Subject: Re: [PATCH 2/2] arm64: dts: freescale: sl28: add variant 1

On Tue, Dec 29, 2020 at 01:03:21PM +0100, Michael Walle wrote:
> 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 <[email protected]>
> ---
> arch/arm64/boot/dts/freescale/Makefile | 1 +
> .../fsl-ls1028a-kontron-sl28-var1.dts | 61 +++++++++++++++++++
> 2 files changed, 62 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 6f0777ee6cd6..79cb0025fcc6 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..52f2f3ffdce1
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts
> @@ -0,0 +1,61 @@
> +// 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 <[email protected]>
> + *
> + */
> +
> +/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-property/ phy-handle;
> + /delete-node/ mdio;

As it's disabled anyway, why do we bother to delete the property and
child node?

> +};
> +
> +

One newline is enough.

> +&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;
> +

Unnecessary newline.

> + qca,clk-out-frequency = <125000000>;
> + qca,clk-out-strength = <AR803X_STRENGTH_FULL>;
> +

Ditto

Shawn

> + 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
>

2021-01-11 08:02:57

by Michael Walle

[permalink] [raw]
Subject: Re: [PATCH 2/2] arm64: dts: freescale: sl28: add variant 1

Am 2021-01-11 02:34, schrieb Shawn Guo:
> On Tue, Dec 29, 2020 at 01:03:21PM +0100, Michael Walle wrote:
>> 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 <[email protected]>
>> ---
>> arch/arm64/boot/dts/freescale/Makefile | 1 +
>> .../fsl-ls1028a-kontron-sl28-var1.dts | 61
>> +++++++++++++++++++
>> 2 files changed, 62 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 6f0777ee6cd6..79cb0025fcc6 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..52f2f3ffdce1
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts
>> @@ -0,0 +1,61 @@
>> +// 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 <[email protected]>
>> + *
>> + */
>> +
>> +/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-property/ phy-handle;
>> + /delete-node/ mdio;
>
> As it's disabled anyway, why do we bother to delete the property and
> child node?

Because beneath that node is also the old phy0 label. So you'd be
getting
arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts:38.24-55.5:
ERROR (duplicate_label):
/soc/pcie@1f0000000/ethernet@0,1/mdio/ethernet-phy@4: Duplicate label
'phy0' on /soc/pcie@1f0000000/ethernet@0,1/mdio/ethernet-phy@4 and
/soc/pcie@1f0000000/ethernet@0,0/mdio/ethernet-phy@5

>> +};
>> +
>> +
>
> One newline is enough.
>
>> +&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;
>> +
>
> Unnecessary newline.
>
>> + qca,clk-out-frequency = <125000000>;
>> + qca,clk-out-strength = <AR803X_STRENGTH_FULL>;
>> +
>
> Ditto
>
> Shawn
>
>> + 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
>>

--
-michael

2021-01-15 09:36:41

by Shawn Guo

[permalink] [raw]
Subject: Re: [PATCH 2/2] arm64: dts: freescale: sl28: add variant 1

On Mon, Jan 11, 2021 at 09:00:37AM +0100, Michael Walle wrote:
> Am 2021-01-11 02:34, schrieb Shawn Guo:
> > On Tue, Dec 29, 2020 at 01:03:21PM +0100, Michael Walle wrote:
> > > 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 <[email protected]>
> > > ---
> > > arch/arm64/boot/dts/freescale/Makefile | 1 +
> > > .../fsl-ls1028a-kontron-sl28-var1.dts | 61
> > > +++++++++++++++++++
> > > 2 files changed, 62 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 6f0777ee6cd6..79cb0025fcc6 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..52f2f3ffdce1
> > > --- /dev/null
> > > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts
> > > @@ -0,0 +1,61 @@
> > > +// 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 <[email protected]>
> > > + *
> > > + */
> > > +
> > > +/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-property/ phy-handle;
> > > + /delete-node/ mdio;
> >
> > As it's disabled anyway, why do we bother to delete the property and
> > child node?
>
> Because beneath that node is also the old phy0 label. So you'd be getting
> arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts:38.24-55.5:
> ERROR (duplicate_label):
> /soc/pcie@1f0000000/ethernet@0,1/mdio/ethernet-phy@4: Duplicate label 'phy0'
> on /soc/pcie@1f0000000/ethernet@0,1/mdio/ethernet-phy@4 and
> /soc/pcie@1f0000000/ethernet@0,0/mdio/ethernet-phy@5

So labelling enetc_port1 phy as 'phy1' would fix it, right?

Shawn

2021-01-15 09:48:28

by Michael Walle

[permalink] [raw]
Subject: Re: [PATCH 2/2] arm64: dts: freescale: sl28: add variant 1

Am 2021-01-15 10:34, schrieb Shawn Guo:
> On Mon, Jan 11, 2021 at 09:00:37AM +0100, Michael Walle wrote:
>> Am 2021-01-11 02:34, schrieb Shawn Guo:
>> > On Tue, Dec 29, 2020 at 01:03:21PM +0100, Michael Walle wrote:
>> > > 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 <[email protected]>
>> > > ---
>> > > arch/arm64/boot/dts/freescale/Makefile | 1 +
>> > > .../fsl-ls1028a-kontron-sl28-var1.dts | 61
>> > > +++++++++++++++++++
>> > > 2 files changed, 62 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 6f0777ee6cd6..79cb0025fcc6 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..52f2f3ffdce1
>> > > --- /dev/null
>> > > +++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts
>> > > @@ -0,0 +1,61 @@
>> > > +// 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 <[email protected]>
>> > > + *
>> > > + */
>> > > +
>> > > +/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-property/ phy-handle;
>> > > + /delete-node/ mdio;
>> >
>> > As it's disabled anyway, why do we bother to delete the property and
>> > child node?
>>
>> Because beneath that node is also the old phy0 label. So you'd be
>> getting
>> arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var1.dts:38.24-55.5:
>> ERROR (duplicate_label):
>> /soc/pcie@1f0000000/ethernet@0,1/mdio/ethernet-phy@4: Duplicate label
>> 'phy0'
>> on /soc/pcie@1f0000000/ethernet@0,1/mdio/ethernet-phy@4 and
>> /soc/pcie@1f0000000/ethernet@0,0/mdio/ethernet-phy@5
>
> So labelling enetc_port1 phy as 'phy1' would fix it, right?

That might fix it, but I don't want an old unused phy node in the device
tree
which isn't even there. Also I don't want one board starting the labels
with
phy0 and the other with phy1.

If you don't like that /delete-node/ stuff, I'd have to reorganize the
includes. var1 and var2 unfortunately isn't compatible with the base
variant
fsl-ls1028a-kontron-sl28.dts regarding the phy configurations. Thus I'd
probably have to split "fsl-ls1028a-kontron-sl28.dts" into a common dtsi
and
one which handles the networking.

-michael