phy.h

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phy.h [2018/12/27 14:40] – rpjdayphy.h [2018/12/27 14:49] (current) – [struct phy_lookup] rpjday
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 Discussion of low-level PHY structures and operations, starting at ''include/linux/phy/phy.h'' and seeing where it goes from there. Discussion of low-level PHY structures and operations, starting at ''include/linux/phy/phy.h'' and seeing where it goes from there.
  
-===== Structures =====+===== Structures -- struct phy and associated stuff =====
  
 ==== struct phy ==== ==== struct phy ====
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         struct phy_attrs        attrs;         struct phy_attrs        attrs;
         struct regulator        *pwr;         struct regulator        *pwr;
 +};
 +</code>
 +
 +==== struct phy_attrs and PHY mode ====
 +
 +<code>
 +struct phy_attrs {
 +        u32                     bus_width;
 +        enum phy_mode           mode;
 +};
 +</code>
 +
 +<code>
 +enum phy_mode {
 +        PHY_MODE_INVALID,
 +        PHY_MODE_USB_HOST,
 +        PHY_MODE_USB_HOST_LS,
 +        PHY_MODE_USB_HOST_FS,
 +        PHY_MODE_USB_HOST_HS,
 +        PHY_MODE_USB_HOST_SS,
 +        PHY_MODE_USB_DEVICE,
 +        PHY_MODE_USB_DEVICE_LS,
 +        PHY_MODE_USB_DEVICE_FS,
 +        PHY_MODE_USB_DEVICE_HS,
 +        PHY_MODE_USB_DEVICE_SS,
 +        PHY_MODE_USB_OTG,
 +        PHY_MODE_SGMII,
 +        PHY_MODE_2500SGMII,
 +        PHY_MODE_QSGMII,
 +        PHY_MODE_10GKR,
 +        PHY_MODE_UFS_HS_A,
 +        PHY_MODE_UFS_HS_B,
 +        PHY_MODE_PCIE,
 +};
 +</code>
 +
 +==== struct phy_ops ====
 +
 +<code>
 +struct phy_ops {
 +        int     (*init)(struct phy *phy);
 +        int     (*exit)(struct phy *phy);
 +        int     (*power_on)(struct phy *phy);
 +        int     (*power_off)(struct phy *phy);
 +        int     (*set_mode)(struct phy *phy, enum phy_mode mode);
 +        int     (*reset)(struct phy *phy);
 +        int     (*calibrate)(struct phy *phy);
 +        struct module *owner;
 +};
 +</code>
 +
 +==== struct phy_provider ====
 +
 +<code>
 +struct phy_provider {
 +        struct device           *dev;
 +        struct device_node      *children;
 +        struct module           *owner;
 +        struct list_head        list;
 +        struct phy * (*of_xlate)(struct device *dev,
 +                struct of_phandle_args *args);
 +};
 +</code>
 +
 +==== struct phy_lookup ====
 +
 +<code>
 +struct phy_lookup {
 +        struct list_head node;
 +        const char *dev_id;
 +        const char *con_id;
 +        struct phy *phy;
 }; };
 </code> </code>
  • phy.h.1545921621.txt.gz
  • Last modified: 2018/12/27 14:40
  • by rpjday