linux-stable/Documentation/devicetree/bindings/net/qcom,ipq4019-mdio.yaml
Luo Jie 2a4c32e767 dt-bindings: net: Add the properties for ipq4019 MDIO
The new added properties resource "reg" is for configuring
ethernet LDO in the IPQ5018 chipset, the property "clocks"
is for configuring the MDIO clock source frequency.

Signed-off-by: Luo Jie <luoj@codeaurora.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-08-16 10:30:27 +01:00

76 lines
1.5 KiB
YAML

# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/net/qcom,ipq4019-mdio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm IPQ40xx MDIO Controller Device Tree Bindings
maintainers:
- Robert Marko <robert.marko@sartura.hr>
allOf:
- $ref: "mdio.yaml#"
properties:
compatible:
enum:
- qcom,ipq4019-mdio
- qcom,ipq5018-mdio
"#address-cells":
const: 1
"#size-cells":
const: 0
reg:
minItems: 1
maxItems: 2
description:
the first Address and length of the register set for the MDIO controller.
the second Address and length of the register for ethernet LDO, this second
address range is only required by the platform IPQ50xx.
clocks:
maxItems: 1
description: |
MDIO clock source frequency fixed to 100MHZ, this clock should be specified
by the platform IPQ807x, IPQ60xx and IPQ50xx.
required:
- compatible
- reg
- "#address-cells"
- "#size-cells"
unevaluatedProperties: false
examples:
- |
mdio@90000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "qcom,ipq4019-mdio";
reg = <0x90000 0x64>;
ethphy0: ethernet-phy@0 {
reg = <0>;
};
ethphy1: ethernet-phy@1 {
reg = <1>;
};
ethphy2: ethernet-phy@2 {
reg = <2>;
};
ethphy3: ethernet-phy@3 {
reg = <3>;
};
ethphy4: ethernet-phy@4 {
reg = <4>;
};
};