target/linux/generic/backport-4.9/076-v4.11-0006-net-phy-broadcom-add-support-for-BCM54210E.patch

   1 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
   2 Date: Fri, 27 Jan 2017 14:07:01 +0100
   3 Subject: [PATCH] net: phy: broadcom: add support for BCM54210E
   4 MIME-Version: 1.0
   5 Content-Type: text/plain; charset=UTF-8
   6 Content-Transfer-Encoding: 8bit
   7
   8 It's Broadcom PHY simply described as single-port
   9 RGMII 10/100/1000BASE-T PHY. It requires disabling delay skew and GTXCLK
  10 bits.
  11
  12 Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
  13 Signed-off-by: David S. Miller <davem@davemloft.net>
  14 ---
  15
  16 --- a/drivers/net/phy/broadcom.c
  17 +++ b/drivers/net/phy/broadcom.c
  18 @@ -30,6 +30,22 @@ MODULE_DESCRIPTION("Broadcom PHY driver"
  19  MODULE_AUTHOR("Maciej W. Rozycki");
  20  MODULE_LICENSE("GPL");
  21
  22 +static int bcm54210e_config_init(struct phy_device *phydev)
  23 +{
  24 +       int val;
  25 +
  26 +       val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
  27 +       val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
  28 +       val |= MII_BCM54XX_AUXCTL_MISC_WREN;
  29 +       bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, val);
  30 +
  31 +       val = bcm_phy_read_shadow(phydev, BCM54810_SHD_CLK_CTL);
  32 +       val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN;
  33 +       bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val);
  34 +
  35 +       return 0;
  36 +}
  37 +
  38  static int bcm54810_config(struct phy_device *phydev)
  39  {
  40         int rc, val;
  41 @@ -230,7 +246,11 @@ static int bcm54xx_config_init(struct ph
  42             (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
  43                 bcm54xx_adjust_rxrefclk(phydev);
  44
  45 -       if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) {
  46 +       if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E) {
  47 +               err = bcm54210e_config_init(phydev);
  48 +               if (err)
  49 +                       return err;
  50 +       } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) {
  51                 err = bcm54810_config(phydev);
  52                 if (err)
  53                         return err;
  54 @@ -544,6 +564,17 @@ static struct phy_driver broadcom_driver
  55         .ack_interrupt  = bcm_phy_ack_intr,
  56         .config_intr    = bcm_phy_config_intr,
  57  }, {
  58 +       .phy_id         = PHY_ID_BCM54210E,
  59 +       .phy_id_mask    = 0xfffffff0,
  60 +       .name           = "Broadcom BCM54210E",
  61 +       .features       = PHY_GBIT_FEATURES,
  62 +       .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
  63 +       .config_init    = bcm54xx_config_init,
  64 +       .config_aneg    = genphy_config_aneg,
  65 +       .read_status    = genphy_read_status,
  66 +       .ack_interrupt  = bcm_phy_ack_intr,
  67 +       .config_intr    = bcm_phy_config_intr,
  68 +}, {
  69         .phy_id         = PHY_ID_BCM5461,
  70         .phy_id_mask    = 0xfffffff0,
  71         .name           = "Broadcom BCM5461",
  72 @@ -694,6 +725,7 @@ module_phy_driver(broadcom_drivers);
  73  static struct mdio_device_id __maybe_unused broadcom_tbl[] = {
  74         { PHY_ID_BCM5411, 0xfffffff0 },
  75         { PHY_ID_BCM5421, 0xfffffff0 },
  76 +       { PHY_ID_BCM54210E, 0xfffffff0 },
  77         { PHY_ID_BCM5461, 0xfffffff0 },
  78         { PHY_ID_BCM54612E, 0xfffffff0 },
  79         { PHY_ID_BCM54616S, 0xfffffff0 },
  80 --- a/include/linux/brcmphy.h
  81 +++ b/include/linux/brcmphy.h
  82 @@ -17,6 +17,7 @@
  83  #define PHY_ID_BCM5482                 0x0143bcb0
  84  #define PHY_ID_BCM5411                 0x00206070
  85  #define PHY_ID_BCM5421                 0x002060e0
  86 +#define PHY_ID_BCM54210E               0x600d84a0
  87  #define PHY_ID_BCM5464                 0x002060b0
  88  #define PHY_ID_BCM5461                 0x002060c0
  89  #define PHY_ID_BCM54612E               0x03625e60