Thread (52 messages) 52 messages, 6 authors, 2024-01-08

Re: [PATCH v8 14/14] dt-bindings: net: ar803x: add qca8084 PHY properties

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From: Andrew Lunn <andrew@lunn.ch>
Date: 2023-12-16 17:17:46
Also in: linux-devicetree, linux-doc, lkml

Yes, Russell, i will add an example in the DT doc in the next patch set.
The following is the device node used for the current qca8084 PHY
code design.
If you look at Christians work, this would be expressed differently:
mdio: mdio@90000 {
    ethernet-phy-package@1 {

        compatible = "qca,qca8084-package";

        qcom,phy-work-mode = <2>;
        clocks = <&qca8k_nsscc NSS_CC_APB_BRIDGE_CLK>,
               <&qca8k_nsscc NSS_CC_AHB_CLK>,
               <&qca8k_nsscc NSS_CC_SEC_CTRL_AHB_CLK>,
               <&qca8k_nsscc NSS_CC_TLMM_CLK>,
               <&qca8k_nsscc NSS_CC_TLMM_AHB_CLK>,
               <&qca8k_nsscc NSS_CC_CNOC_AHB_CLK>,
               <&qca8k_nsscc NSS_CC_MDIO_AHB_CLK>,
               <&qca8k_nsscc NSS_CC_MDIO_MASTER_AHB_CLK>,
               <&qca8k_nsscc NSS_CC_SRDS0_SYS_CLK>,
               <&qca8k_nsscc NSS_CC_SRDS1_SYS_CLK>;
        clock-names = "apb_bridge",
                "ahb",
                "sec_ctrl_ahb",
                "tlmm",
                "tlmm_ahb",
                "cnoc_ahb",
                "mdio_ahb",
                "mdio_master_ahb",
                "srds0_sys",
                "srds1_sys";
        resets = <&qca8k_nsscc NSS_CC_SRDS0_SYS_ARES>,
               <&qca8k_nsscc NSS_CC_SRDS1_SYS_ARES>,
               <&qca8k_nsscc NSS_CC_DSP_ARES>;
        reset-names = "srds0_sys",
                      "srds1_sys";
All the properties above are common to the package as a whole.

Then follow the four individual PHYs, and the properties which are
specific to each one.
        ethernet-phy@0 {
            compatible = "ethernet-phy-id004d.d180";
            reg = <0>;
            clocks = <qca8k_nsscc NSS_CC_GEPHY0_SYS_CLK>,
            clock-names = <"gephy_sys">;
            resets = <&qca8k_nsscc NSS_CC_GEPHY0_SYS_ARES>,
                     <&qca8k_nsscc NSS_CC_GEPHY0_ARES>;
            reset-names = "gephy_sys", "gephy_soft";
        };
    
    
        ethernet-phy@1 {
            compatible = "ethernet-phy-id004d.d180";
            reg = <1>;
            clocks = <qca8k_nsscc NSS_CC_GEPHY1_SYS_CLK>,
            clock-names = <"gephy_sys">;
            resets = <&qca8k_nsscc NSS_CC_GEPHY1_SYS_ARES>,
                     <&qca8k_nsscc NSS_CC_GEPHY1_ARES>;
            reset-names = "gephy_sys", "gephy_soft";
    
        };
    
        ethernet-phy@2 {
            compatible = "ethernet-phy-id004d.d180";
            reg = <2>;
            clocks = <qca8k_nsscc NSS_CC_GEPHY2_SYS_CLK>,
            clock-names = <"gephy_sys">;
            resets = <&qca8k_nsscc NSS_CC_GEPHY2_SYS_ARES>,
                     <&qca8k_nsscc NSS_CC_GEPHY2_ARES>;
            reset-names = "gephy_sys", "gephy_soft";
    
        };
    
        ethernet-phy@3 {
            compatible = "ethernet-phy-id004d.d180";
            reg = <3>;
            clocks = <qca8k_nsscc NSS_CC_GEPHY3_SYS_CLK>,
            clock-names = <"gephy_sys">;
            reset-names = "gephy_sys", "gephy_soft";
        };
};
	Andrew
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