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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/net/dsa/ksz.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/net/dsa/ksz.txt | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/dsa/ksz.txt b/Documentation/devicetree/bindings/net/dsa/ksz.txt new file mode 100644 index 000000000..95e91e841 --- /dev/null +++ b/Documentation/devicetree/bindings/net/dsa/ksz.txt @@ -0,0 +1,125 @@ +Microchip KSZ Series Ethernet switches +================================== + +Required properties: + +- compatible: For external switch chips, compatible string must be exactly one + of the following: + - "microchip,ksz8765" + - "microchip,ksz8794" + - "microchip,ksz8795" + - "microchip,ksz9477" + - "microchip,ksz9897" + - "microchip,ksz9896" + - "microchip,ksz9567" + - "microchip,ksz8565" + - "microchip,ksz9893" + - "microchip,ksz9563" + - "microchip,ksz8563" + +Optional properties: + +- reset-gpios : Should be a gpio specifier for a reset line +- microchip,synclko-125 : Set if the output SYNCLKO frequency should be set to + 125MHz instead of 25MHz. + +See Documentation/devicetree/bindings/net/dsa/dsa.txt for a list of additional +required and optional properties. + +Examples: + +Ethernet switch connected via SPI to the host, CPU port wired to eth0: + + eth0: ethernet@10001000 { + fixed-link { + speed = <1000>; + full-duplex; + }; + }; + + spi1: spi@f8008000 { + pinctrl-0 = <&pinctrl_spi_ksz>; + cs-gpios = <&pioC 25 0>; + id = <1>; + + ksz9477: ksz9477@0 { + compatible = "microchip,ksz9477"; + reg = <0>; + + spi-max-frequency = <44000000>; + spi-cpha; + spi-cpol; + + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + label = "lan1"; + }; + port@1 { + reg = <1>; + label = "lan2"; + }; + port@2 { + reg = <2>; + label = "lan3"; + }; + port@3 { + reg = <3>; + label = "lan4"; + }; + port@4 { + reg = <4>; + label = "lan5"; + }; + port@5 { + reg = <5>; + label = "cpu"; + ethernet = <ð0>; + fixed-link { + speed = <1000>; + full-duplex; + }; + }; + }; + }; + ksz8565: ksz8565@0 { + compatible = "microchip,ksz8565"; + reg = <0>; + + spi-max-frequency = <44000000>; + spi-cpha; + spi-cpol; + + ports { + #address-cells = <1>; + #size-cells = <0>; + port@0 { + reg = <0>; + label = "lan1"; + }; + port@1 { + reg = <1>; + label = "lan2"; + }; + port@2 { + reg = <2>; + label = "lan3"; + }; + port@3 { + reg = <3>; + label = "lan4"; + }; + port@6 { + reg = <6>; + label = "cpu"; + ethernet = <ð0>; + fixed-link { + speed = <1000>; + full-duplex; + }; + }; + }; + }; + }; |