git.openwrt.org Git - openwrt/staging/pepe2k.git/blob

   1 From 5ea0d42c1980e6d10e5cb56a78021db5bfcebaaf Mon Sep 17 00:00:00 2001
   2 From: Jonas Gorski <jonas.gorski@gmail.com>
   3 Date: Mon, 2 Jun 2025 21:39:52 +0200
   4 Subject: [PATCH] net: dsa: b53: allow RGMII for bcm63xx RGMII ports
   5
   6 Add RGMII to supported interfaces for BCM63xx RGMII ports so they can be
   7 actually used in RGMII mode.
   8
   9 Without this, phylink will fail to configure them:
  10
  11 [    3.580000] b53-switch 10700000.switch GbE3 (uninitialized): validation of rgmii with support 0000000,00000000,00000000,000062ff and advertisement 0000000,00000000,00000000,000062ff failed: -EINVAL
  12 [    3.600000] b53-switch 10700000.switch GbE3 (uninitialized): failed to connect to PHY: -EINVAL
  13 [    3.610000] b53-switch 10700000.switch GbE3 (uninitialized): error -22 setting up PHY for tree 0, switch 0, port 4
  14
  15 Fixes: ce3bf94871f7 ("net: dsa: b53: add support for BCM63xx RGMIIs")
  16 Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
  17 Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
  18 Link: https://patch.msgid.link/20250602193953.1010487-5-jonas.gorski@gmail.com
  19 Signed-off-by: Paolo Abeni <pabeni@redhat.com>
  20 ---
  21  drivers/net/dsa/b53/b53_common.c | 4 ++++
  22  1 file changed, 4 insertions(+)
  23
  24 --- a/drivers/net/dsa/b53/b53_common.c
  25 +++ b/drivers/net/dsa/b53/b53_common.c
  26 @@ -1439,6 +1439,10 @@ static void b53_phylink_get_caps(struct
  27         __set_bit(PHY_INTERFACE_MODE_MII, config->supported_interfaces);
  28         __set_bit(PHY_INTERFACE_MODE_REVMII, config->supported_interfaces);
  29
  30 +       /* BCM63xx RGMII ports support RGMII */
  31 +       if (is63xx(dev) && in_range(port, B53_63XX_RGMII0, 4))
  32 +               phy_interface_set_rgmii(config->supported_interfaces);
  33 +
  34         config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE |
  35                 MAC_10 | MAC_100;
  36