[next 3/5] ARM: dts: ast2600: Add MDIO devices

There are 4 MDIO bus controllers in AST2600 SOC. Each of them can connect to one or more PHY chips and is flexible to work with the 4 MAC devices in AST2600. On AST2600 EVB, MDIO 0,1,2,3 connect to the PHY chips used by MAC 0,1,2,3 respectively.

Signed-off-by: Dylan Hung dylan_hung@aspeedtech.com --- arch/arm/dts/ast2600-evb.dts | 68 ++++++++++++++++++++++++++++++++++++ arch/arm/dts/ast2600.dtsi | 46 +++++++++++++++++++++--- 2 files changed, 109 insertions(+), 5 deletions(-)

diff --git a/arch/arm/dts/ast2600-evb.dts b/arch/arm/dts/ast2600-evb.dts index 2abd31341c11..4e256d1e2b4e 100644 --- a/arch/arm/dts/ast2600-evb.dts +++ b/arch/arm/dts/ast2600-evb.dts @@ -163,6 +163,74 @@ pinctrl-0 = <&pinctrl_i2c9_default>; };

+&mdio0 { + status = "okay"; + #address-cells = <1>; + #size-cells = <0>; + ethphy0: ethernet-phy@0 { + reg = <0>; + }; +}; + +&mdio1 { + status = "okay"; + #address-cells = <1>; + #size-cells = <0>; + ethphy1: ethernet-phy@0 { + reg = <0>; + }; +}; + +&mdio2 { + status = "okay"; + #address-cells = <1>; + #size-cells = <0>; + ethphy2: ethernet-phy@0 { + reg = <0>; + }; +}; + +&mdio3 { + status = "okay"; + #address-cells = <1>; + #size-cells = <0>; + ethphy3: ethernet-phy@0 { + reg = <0>; + }; +}; + +&mac0 { + status = "okay"; + phy-mode = "rgmii-rxid"; + phy-handle = <&ethphy0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rgmii1_default>; +}; + +&mac1 { + status = "okay"; + phy-mode = "rgmii-rxid"; + phy-handle = <&ethphy1>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rgmii2_default>; +}; + +&mac2 { + status = "okay"; + phy-mode = "rgmii"; + phy-handle = <&ethphy2>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rgmii3_default>; +}; + +&mac3 { + status = "okay"; + phy-mode = "rgmii"; + phy-handle = <&ethphy3>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rgmii4_default>; +}; + &scu { mac0-clk-delay = <0x1d 0x1c 0x10 0x17 diff --git a/arch/arm/dts/ast2600.dtsi b/arch/arm/dts/ast2600.dtsi index f121f547e6d4..bdcca69e060d 100644 --- a/arch/arm/dts/ast2600.dtsi +++ b/arch/arm/dts/ast2600.dtsi @@ -193,11 +193,47 @@ interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>; };

- mdio: ethernet@1e650000 { - compatible = "aspeed,aspeed-mdio"; - reg = <0x1e650000 0x40>; - resets = <&rst ASPEED_RESET_MII>; - status = "disabled"; + mdio: bus@1e650000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x1e650000 0x100>; + + mdio0: mdio@0 { + compatible = "aspeed,ast2600-mdio"; + reg = <0 0x8>; + resets = <&rst ASPEED_RESET_MII>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mdio1_default>; + status = "disabled"; + }; + + mdio1: mdio@8 { + compatible = "aspeed,ast2600-mdio"; + reg = <0x8 0x8>; + resets = <&rst ASPEED_RESET_MII>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mdio2_default>; + status = "disabled"; + }; + + mdio2: mdio@10 { + compatible = "aspeed,ast2600-mdio"; + reg = <0x10 0x8>; + resets = <&rst ASPEED_RESET_MII>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mdio3_default>; + status = "disabled"; + }; + + mdio3: mdio@18 { + compatible = "aspeed,ast2600-mdio"; + reg = <0x18 0x8>; + resets = <&rst ASPEED_RESET_MII>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_mdio4_default>; + status = "disabled"; + }; };

mac0: ftgmac@1e660000 {