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dt-bindings: net: convert Broadcom Starfighter 2 binding to the json-schema
This helps validating DTS files. Only the current (not deprecated one) binding was converted. Minor changes: 1. Dropped dsa/dsa.txt references 2. Updated node name to match dsa.yaml requirement 3. Fixed 2 typos in examples The new binding was validated using the dt_binding_check. Signed-off-by: Rafał Miłecki <rafal@milecki.pl> Link: https://lore.kernel.org/r/20210106213202.17459-1-zajec5@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Rafał Miłecki
Jakub Kicinski
parent
49888961a4
commit
c7ee3a40e7
2 changed files with 175 additions and 98 deletions
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@ -1,108 +1,13 @@
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* Broadcom Starfighter 2 integrated swich
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Required properties:
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See dsa/brcm,bcm7445-switch-v4.0.yaml for the documentation.
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- compatible: should be one of
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"brcm,bcm7445-switch-v4.0"
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"brcm,bcm7278-switch-v4.0"
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"brcm,bcm7278-switch-v4.8"
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- reg: addresses and length of the register sets for the device, must be 6
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pairs of register addresses and lengths
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- interrupts: interrupts for the devices, must be two interrupts
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- #address-cells: must be 1, see dsa/dsa.txt
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- #size-cells: must be 0, see dsa/dsa.txt
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Deprecated binding required properties:
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*Deprecated* binding required properties:
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- dsa,mii-bus: phandle to the MDIO bus controller, see dsa/dsa.txt
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- dsa,ethernet: phandle to the CPU network interface controller, see dsa/dsa.txt
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- #address-cells: must be 2, see dsa/dsa.txt
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Subnodes:
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The integrated switch subnode should be specified according to the binding
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described in dsa/dsa.txt.
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Optional properties:
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- reg-names: litteral names for the device base register addresses, when present
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must be: "core", "reg", "intrl2_0", "intrl2_1", "fcb", "acb"
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- interrupt-names: litternal names for the device interrupt lines, when present
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must be: "switch_0" and "switch_1"
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- brcm,num-gphy: specify the maximum number of integrated gigabit PHYs in the
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switch
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- brcm,num-rgmii-ports: specify the maximum number of RGMII interfaces supported
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by the switch
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- brcm,fcb-pause-override: boolean property, if present indicates that the switch
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supports Failover Control Block pause override capability
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- brcm,acb-packets-inflight: boolean property, if present indicates that the switch
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Admission Control Block supports reporting the number of packets in-flight in a
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switch queue
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- resets: a single phandle and reset identifier pair. See
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Documentation/devicetree/bindings/reset/reset.txt for details.
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- reset-names: If the "reset" property is specified, this property should have
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the value "switch" to denote the switch reset line.
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- clocks: when provided, the first phandle is to the switch's main clock and
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is valid for both BCM7445 and BCM7278. The second phandle is only applicable
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to BCM7445 and is to support dividing the switch core clock.
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- clock-names: when provided, the first phandle must be "sw_switch", and the
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second must be named "sw_switch_mdiv".
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Port subnodes:
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Optional properties:
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- brcm,use-bcm-hdr: boolean property, if present, indicates that the switch
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port has Broadcom tags enabled (per-packet metadata)
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Example:
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switch_top@f0b00000 {
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compatible = "simple-bus";
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#size-cells = <1>;
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#address-cells = <1>;
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ranges = <0 0xf0b00000 0x40804>;
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ethernet_switch@0 {
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compatible = "brcm,bcm7445-switch-v4.0";
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#size-cells = <0>;
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#address-cells = <1>;
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reg = <0x0 0x40000
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0x40000 0x110
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0x40340 0x30
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0x40380 0x30
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0x40400 0x34
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0x40600 0x208>;
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reg-names = "core", "reg", intrl2_0", "intrl2_1",
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"fcb, "acb";
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interrupts = <0 0x18 0
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0 0x19 0>;
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brcm,num-gphy = <1>;
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brcm,num-rgmii-ports = <2>;
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brcm,fcb-pause-override;
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brcm,acb-packets-inflight;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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label = "gphy";
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reg = <0>;
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};
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};
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};
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};
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Example using the old DSA DeviceTree binding:
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switch_top@f0b00000 {
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@ -132,7 +37,7 @@ switch_top@f0b00000 {
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switch@0 {
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reg = <0 0>;
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#size-cells = <0>;
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#address-cells <1>;
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#address-cells = <1>;
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port@0 {
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label = "gphy";
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172
Documentation/devicetree/bindings/net/dsa/brcm,sf2.yaml
Normal file
172
Documentation/devicetree/bindings/net/dsa/brcm,sf2.yaml
Normal file
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@ -0,0 +1,172 @@
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/net/dsa/brcm,sf2.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Broadcom Starfighter 2 integrated swich
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maintainers:
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- Florian Fainelli <f.fainelli@gmail.com>
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properties:
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compatible:
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items:
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- enum:
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- brcm,bcm7278-switch-v4.0
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- brcm,bcm7278-switch-v4.8
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- brcm,bcm7445-switch-v4.0
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reg:
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minItems: 6
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maxItems: 6
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reg-names:
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items:
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- const: core
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- const: reg
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- const: intrl2_0
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- const: intrl2_1
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- const: fcb
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- const: acb
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interrupts:
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minItems: 2
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maxItems: 2
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interrupt-names:
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items:
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- const: switch_0
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- const: switch_1
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resets:
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maxItems: 1
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reset-names:
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const: switch
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clocks:
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minItems: 1
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maxItems: 2
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items:
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- description: switch's main clock
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- description: dividing of the switch core clock
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clock-names:
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minItems: 1
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maxItems: 2
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items:
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- const: sw_switch
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- const: sw_switch_mdiv
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brcm,num-gphy:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: maximum number of integrated gigabit PHYs in the switch
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brcm,num-rgmii-ports:
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$ref: /schemas/types.yaml#/definitions/uint32
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description: maximum number of RGMII interfaces supported by the switch
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brcm,fcb-pause-override:
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description: if present indicates that the switch supports Failover Control
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Block pause override capability
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type: boolean
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brcm,acb-packets-inflight:
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description: if present indicates that the switch Admission Control Block
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supports reporting the number of packets in-flight in a switch queue
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type: boolean
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"#address-cells":
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const: 1
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"#size-cells":
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const: 0
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ports:
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type: object
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properties:
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brcm,use-bcm-hdr:
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description: if present, indicates that the switch port has Broadcom
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tags enabled (per-packet metadata)
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type: boolean
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required:
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- reg
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- interrupts
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- "#address-cells"
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- "#size-cells"
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allOf:
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- $ref: "dsa.yaml#"
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- if:
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properties:
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compatible:
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contains:
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enum:
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- brcm,bcm7278-switch-v4.0
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- brcm,bcm7278-switch-v4.8
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then:
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properties:
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clocks:
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minItems: 1
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maxItems: 1
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clock-names:
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minItems: 1
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maxItems: 1
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required:
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- clocks
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- clock-names
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- if:
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properties:
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compatible:
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contains:
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const: brcm,bcm7445-switch-v4.0
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then:
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properties:
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clocks:
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minItems: 2
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maxItems: 2
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clock-names:
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minItems: 2
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maxItems: 2
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required:
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- clocks
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- clock-names
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additionalProperties: false
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examples:
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- |
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switch@f0b00000 {
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compatible = "brcm,bcm7445-switch-v4.0";
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0xf0b00000 0x40000>,
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<0xf0b40000 0x110>,
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<0xf0b40340 0x30>,
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<0xf0b40380 0x30>,
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<0xf0b40400 0x34>,
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<0xf0b40600 0x208>;
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reg-names = "core", "reg", "intrl2_0", "intrl2_1",
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"fcb", "acb";
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interrupts = <0 0x18 0>,
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<0 0x19 0>;
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clocks = <&sw_switch>, <&sw_switch_mdiv>;
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clock-names = "sw_switch", "sw_switch_mdiv";
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brcm,num-gphy = <1>;
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brcm,num-rgmii-ports = <2>;
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brcm,fcb-pause-override;
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brcm,acb-packets-inflight;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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label = "gphy";
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reg = <0>;
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};
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};
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};
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