kernel: backport BCM54210E PHY support

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>

diff --git a/target/linux/generic/patches-4.4/078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch b/target/linux/generic/patches-4.4/078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch
index d0842dfa97a7324dc3741c956d68ba99e4d65040..dad44930d9f68b3f030c1bdb6d89ac895b0a1d4b 100644 (file)
--- a/target/linux/generic/patches-4.4/078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch
+++ b/target/linux/generic/patches-4.4/078-0004-net-phy-pick-Broadcom-drivers-updates-from-net-next-.patch
@@ -82,7 +82,43 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
        { PHY_ID_BCM7346, 0xfffffff0, },
 --- a/drivers/net/phy/broadcom.c
 +++ b/drivers/net/phy/broadcom.c
-@@ -395,12 +395,10 @@ static int bcm54612e_config_aneg(struct
+@@ -30,6 +30,22 @@ MODULE_DESCRIPTION("Broadcom PHY driver"
+ MODULE_AUTHOR("Maciej W. Rozycki");
+ MODULE_LICENSE("GPL");
+ 
++static int bcm54210e_config_init(struct phy_device *phydev)
++{
++      int val;
++
++      val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
++      val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
++      val |= MII_BCM54XX_AUXCTL_MISC_WREN;
++      bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, val);
++
++      val = bcm_phy_read_shadow(phydev, BCM54810_SHD_CLK_CTL);
++      val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN;
++      bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val);
++
++      return 0;
++}
++
+ static int bcm54810_config(struct phy_device *phydev)
+ {
+       int rc, val;
+@@ -230,7 +246,11 @@ static int bcm54xx_config_init(struct ph
+           (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
+               bcm54xx_adjust_rxrefclk(phydev);
+ 
+-      if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) {
++      if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E) {
++              err = bcm54210e_config_init(phydev);
++              if (err)
++                      return err;
++      } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) {
+               err = bcm54810_config(phydev);
+               if (err)
+                       return err;
+@@ -395,12 +415,10 @@ static int bcm54612e_config_aneg(struct
            (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) {
                u16 reg;
  
@@ -98,9 +134,43 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
                /* Clear shadow selector field */
                reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MASK;
                bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
+@@ -548,6 +566,17 @@ static struct phy_driver broadcom_driver
+       .config_intr    = bcm_phy_config_intr,
+       .driver         = { .owner = THIS_MODULE },
+ }, {
++      .phy_id         = PHY_ID_BCM54210E,
++      .phy_id_mask    = 0xfffffff0,
++      .name           = "Broadcom BCM54210E",
++      .features       = PHY_GBIT_FEATURES,
++      .flags          = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT,
++      .config_init    = bcm54xx_config_init,
++      .config_aneg    = genphy_config_aneg,
++      .read_status    = genphy_read_status,
++      .ack_interrupt  = bcm_phy_ack_intr,
++      .config_intr    = bcm_phy_config_intr,
++}, {
+       .phy_id         = PHY_ID_BCM5461,
+       .phy_id_mask    = 0xfffffff0,
+       .name           = "Broadcom BCM5461",
+@@ -708,6 +737,7 @@ module_phy_driver(broadcom_drivers);
+ static struct mdio_device_id __maybe_unused broadcom_tbl[] = {
+       { PHY_ID_BCM5411, 0xfffffff0 },
+       { PHY_ID_BCM5421, 0xfffffff0 },
++      { PHY_ID_BCM54210E, 0xfffffff0 },
+       { PHY_ID_BCM5461, 0xfffffff0 },
+       { PHY_ID_BCM54612E, 0xfffffff0 },
+       { PHY_ID_BCM54616S, 0xfffffff0 },
 --- a/include/linux/brcmphy.h
 +++ b/include/linux/brcmphy.h
-@@ -24,6 +24,7 @@
+@@ -17,6 +17,7 @@
+ #define PHY_ID_BCM5482                        0x0143bcb0
+ #define PHY_ID_BCM5411                        0x00206070
+ #define PHY_ID_BCM5421                        0x002060e0
++#define PHY_ID_BCM54210E              0x600d84a0
+ #define PHY_ID_BCM5464                        0x002060b0
+ #define PHY_ID_BCM5461                        0x002060c0
+ #define PHY_ID_BCM54612E              0x03625e60
+@@ -24,6 +25,7 @@
  #define PHY_ID_BCM57780                       0x03625d90
  
  #define PHY_ID_BCM7250                        0xae025280
@@ -108,7 +178,7 @@ Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
  #define PHY_ID_BCM7364                        0xae025260
  #define PHY_ID_BCM7366                        0x600d8490
  #define PHY_ID_BCM7346                        0x600d8650
-@@ -103,18 +104,17 @@
+@@ -103,18 +105,17 @@
  /*
   * AUXILIARY CONTROL SHADOW ACCESS REGISTERS.  (PHY REG 0x18)
   */