1*82fc0f87SNeil Armstrong# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*82fc0f87SNeil Armstrong%YAML 1.2 3*82fc0f87SNeil Armstrong--- 4*82fc0f87SNeil Armstrong$id: http://devicetree.org/schemas/net/amlogic,g12a-mdio-mux.yaml# 5*82fc0f87SNeil Armstrong$schema: http://devicetree.org/meta-schemas/core.yaml# 6*82fc0f87SNeil Armstrong 7*82fc0f87SNeil Armstrongtitle: MDIO bus multiplexer/glue of Amlogic G12a SoC family 8*82fc0f87SNeil Armstrong 9*82fc0f87SNeil Armstrongdescription: 10*82fc0f87SNeil Armstrong This is a special case of a MDIO bus multiplexer. It allows to choose between 11*82fc0f87SNeil Armstrong the internal mdio bus leading to the embedded 10/100 PHY or the external 12*82fc0f87SNeil Armstrong MDIO bus. 13*82fc0f87SNeil Armstrong 14*82fc0f87SNeil Armstrongmaintainers: 15*82fc0f87SNeil Armstrong - Neil Armstrong <neil.armstrong@linaro.org> 16*82fc0f87SNeil Armstrong 17*82fc0f87SNeil ArmstrongallOf: 18*82fc0f87SNeil Armstrong - $ref: mdio-mux.yaml# 19*82fc0f87SNeil Armstrong 20*82fc0f87SNeil Armstrongproperties: 21*82fc0f87SNeil Armstrong compatible: 22*82fc0f87SNeil Armstrong const: amlogic,g12a-mdio-mux 23*82fc0f87SNeil Armstrong 24*82fc0f87SNeil Armstrong reg: 25*82fc0f87SNeil Armstrong maxItems: 1 26*82fc0f87SNeil Armstrong 27*82fc0f87SNeil Armstrong clocks: 28*82fc0f87SNeil Armstrong items: 29*82fc0f87SNeil Armstrong - description: peripheral clock 30*82fc0f87SNeil Armstrong - description: platform crytal 31*82fc0f87SNeil Armstrong - description: SoC 50MHz MPLL 32*82fc0f87SNeil Armstrong 33*82fc0f87SNeil Armstrong clock-names: 34*82fc0f87SNeil Armstrong items: 35*82fc0f87SNeil Armstrong - const: pclk 36*82fc0f87SNeil Armstrong - const: clkin0 37*82fc0f87SNeil Armstrong - const: clkin1 38*82fc0f87SNeil Armstrong 39*82fc0f87SNeil Armstrongrequired: 40*82fc0f87SNeil Armstrong - compatible 41*82fc0f87SNeil Armstrong - reg 42*82fc0f87SNeil Armstrong - clocks 43*82fc0f87SNeil Armstrong - clock-names 44*82fc0f87SNeil Armstrong 45*82fc0f87SNeil ArmstrongunevaluatedProperties: false 46*82fc0f87SNeil Armstrong 47*82fc0f87SNeil Armstrongexamples: 48*82fc0f87SNeil Armstrong - | 49*82fc0f87SNeil Armstrong #include <dt-bindings/interrupt-controller/irq.h> 50*82fc0f87SNeil Armstrong #include <dt-bindings/interrupt-controller/arm-gic.h> 51*82fc0f87SNeil Armstrong mdio-multiplexer@4c000 { 52*82fc0f87SNeil Armstrong compatible = "amlogic,g12a-mdio-mux"; 53*82fc0f87SNeil Armstrong reg = <0x4c000 0xa4>; 54*82fc0f87SNeil Armstrong clocks = <&clkc_eth_phy>, <&xtal>, <&clkc_mpll>; 55*82fc0f87SNeil Armstrong clock-names = "pclk", "clkin0", "clkin1"; 56*82fc0f87SNeil Armstrong mdio-parent-bus = <&mdio0>; 57*82fc0f87SNeil Armstrong #address-cells = <1>; 58*82fc0f87SNeil Armstrong #size-cells = <0>; 59*82fc0f87SNeil Armstrong 60*82fc0f87SNeil Armstrong mdio@0 { 61*82fc0f87SNeil Armstrong reg = <0>; 62*82fc0f87SNeil Armstrong #address-cells = <1>; 63*82fc0f87SNeil Armstrong #size-cells = <0>; 64*82fc0f87SNeil Armstrong }; 65*82fc0f87SNeil Armstrong 66*82fc0f87SNeil Armstrong mdio@1 { 67*82fc0f87SNeil Armstrong reg = <1>; 68*82fc0f87SNeil Armstrong #address-cells = <1>; 69*82fc0f87SNeil Armstrong #size-cells = <0>; 70*82fc0f87SNeil Armstrong 71*82fc0f87SNeil Armstrong ethernet-phy@8 { 72*82fc0f87SNeil Armstrong compatible = "ethernet-phy-id0180.3301", 73*82fc0f87SNeil Armstrong "ethernet-phy-ieee802.3-c22"; 74*82fc0f87SNeil Armstrong interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>; 75*82fc0f87SNeil Armstrong reg = <8>; 76*82fc0f87SNeil Armstrong max-speed = <100>; 77*82fc0f87SNeil Armstrong }; 78*82fc0f87SNeil Armstrong }; 79*82fc0f87SNeil Armstrong }; 80*82fc0f87SNeil Armstrong... 81