[PATCH net-next v2 4/7] dt-bindings: net: marvell,prestera: Describe PCI devices of the prestera family
From: Miquel Raynal <miquel.raynal@bootlin.com>
Date: 2022-11-24 11:16:33
Also in:
linux-arm-kernel, linux-devicetree, lkml
Subsystem:
networking drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Even though the devices have very little in common beside the name and the main "switch" feature, Marvell Prestera switch family is also composed of PCI-only devices which can receive additional static properties, like nvmem cells to point at MAC addresses, for instance. Let's describe them. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Rob Herring <robh@kernel.org> --- .../bindings/net/marvell,prestera.yaml | 62 ++++++++++++++++--- 1 file changed, 54 insertions(+), 8 deletions(-)
diff --git a/Documentation/devicetree/bindings/net/marvell,prestera.yaml b/Documentation/devicetree/bindings/net/marvell,prestera.yaml
index b0a3ecca406e..5ea8b73663a5 100644
--- a/Documentation/devicetree/bindings/net/marvell,prestera.yaml
+++ b/Documentation/devicetree/bindings/net/marvell,prestera.yaml@@ -4,19 +4,24 @@ $id: http://devicetree.org/schemas/net/marvell,prestera.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Marvell Prestera AlleyCat3 switch +title: Marvell Prestera switch family maintainers: - Miquel Raynal <miquel.raynal@bootlin.com> properties: compatible: - items: + oneOf: + - items: + - enum: + - marvell,prestera-98dx3236 + - marvell,prestera-98dx3336 + - marvell,prestera-98dx4251 + - const: marvell,prestera - enum: - - marvell,prestera-98dx3236 - - marvell,prestera-98dx3336 - - marvell,prestera-98dx4251 - - const: marvell,prestera + - pci11ab,c804 + - pci11ab,c80c + - pci11ab,cc1e reg: maxItems: 1
@@ -28,12 +33,37 @@ properties: description: Reference to the DFX Server bus node. $ref: /schemas/types.yaml#/definitions/phandle + nvmem-cells: true + + nvmem-cell-names: true + +if: + properties: + compatible: + contains: + const: marvell,prestera + +# Memory mapped AlleyCat3 family +then: + properties: + nvmem-cells: false + nvmem-cell-names: false + required: + - interrupts + +# PCI Aldrin family +else: + properties: + interrupts: false + dfx: false + required: - compatible - reg - - interrupts -additionalProperties: false +# Ports can also be described +additionalProperties: + type: object examples: - |
@@ -43,3 +73,19 @@ examples: interrupts = <33>, <34>, <35>; dfx = <&dfx>; }; + + - | + pcie@0 { + #address-cells = <3>; + #size-cells = <2>; + ranges = <0x0 0x0 0x0 0x0 0x0 0x0>; + reg = <0x0 0x0 0x0 0x0 0x0 0x0>; + device_type = "pci"; + + switch@0,0 { + reg = <0x0 0x0 0x0 0x0 0x0>; + compatible = "pci11ab,c80c"; + nvmem-cells = <&mac_address 0>; + nvmem-cell-names = "mac-address"; + }; + };
--
2.34.1