Re: [PATCH v2 3/6] arm64: dts: ls2080a-rdb: add phy nodes

From: Shawn Guo
Date: Sun Aug 21 2022 - 23:41:25 EST


On Wed, Aug 17, 2022 at 03:43:54PM -0500, Li Yang wrote:
> Define PHY nodes on the board.
>
> Signed-off-by: Li Yang <leoyang.li@xxxxxxx>
> ---
> .../boot/dts/freescale/fsl-ls2080a-rdb.dts | 68 +++++++++++++++++++
> 1 file changed, 68 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts
> index 44894356059c..fec02fd754be 100644
> --- a/arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts
> +++ b/arch/arm64/boot/dts/freescale/fsl-ls2080a-rdb.dts
> @@ -23,3 +23,71 @@ chosen {
> stdout-path = "serial1:115200n8";
> };
> };
> +
> +&dpmac5 {
> + phy-handle = <&mdio2_phy1>;
> + phy-connection-type = "10gbase-r";
> +};
> +
> +&dpmac6 {
> + phy-handle = <&mdio2_phy2>;
> + phy-connection-type = "10gbase-r";
> +};
> +
> +&dpmac7 {
> + phy-handle = <&mdio2_phy3>;
> + phy-connection-type = "10gbase-r";
> +};
> +
> +&dpmac8 {
> + phy-handle = <&mdio2_phy4>;
> + phy-connection-type = "10gbase-r";
> +};
> +
> +&emdio1 {
> + status = "disabled";
> +
> + /* CS4340 PHYs */
> + mdio1_phy1: emdio1-phy@1 {
> + reg = <0x10>;

unit-address doesn't match 'reg'.

> + };
> +
> + mdio1_phy2: emdio1-phy@2 {
> + reg = <0x11>;
> + };
> +
> + mdio1_phy3: emdio1-phy@3 {
> + reg = <0x12>;
> + };
> +
> + mdio1_phy4: emdio1-phy@4 {
> + reg = <0x13>;
> + };
> +};
> +
> +&emdio2 {
> + /* AQR405 PHYs */
> + mdio2_phy1: emdio2-phy@1 {
> + compatible = "ethernet-phy-ieee802.3-c45";
> + interrupts = <0 1 0x4>; /* Level high type */

What does '0' mean here? And why not IRQ_TYPE_LEVEL_HIGH for polarity
cell?

Shawn

> + reg = <0x0>;
> + };
> +
> + mdio2_phy2: emdio2-phy@2 {
> + compatible = "ethernet-phy-ieee802.3-c45";
> + interrupts = <0 2 0x4>; /* Level high type */
> + reg = <0x1>;
> + };
> +
> + mdio2_phy3: emdio2-phy@3 {
> + compatible = "ethernet-phy-ieee802.3-c45";
> + interrupts = <0 4 0x4>; /* Level high type */
> + reg = <0x2>;
> + };
> +
> + mdio2_phy4: emdio2-phy@4 {
> + compatible = "ethernet-phy-ieee802.3-c45";
> + interrupts = <0 5 0x4>; /* Level high type */
> + reg = <0x3>;
> + };
> +};
> --
> 2.37.1
>