From 10c50b1facbfccbc70099adef629b5a988ec2bb2 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Wed, 15 Dec 2021 11:00:01 +0100 Subject: [PATCH] net: zynq: Add support for PHY configuration in SGMII mode SGMII configuration depends on proper GT setting that's why when node has phys property call PSGTR driver to configure it properly. Signed-off-by: Michal Simek Reviewed-by: Sean Anderson Link: https://lore.kernel.org/r/bbc8d7ed9d308199168e4455c7a3e3a5ac0890e7.1639562397.git.michal.simek@xilinx.com --- drivers/net/zynq_gem.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/net/zynq_gem.c b/drivers/net/zynq_gem.c index 56f668c249..336d569b37 100644 --- a/drivers/net/zynq_gem.c +++ b/drivers/net/zynq_gem.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -713,6 +714,19 @@ static int zynq_gem_probe(struct udevice *dev) void *bd_space; struct zynq_gem_priv *priv = dev_get_priv(dev); int ret; + struct phy phy; + + if (priv->interface == PHY_INTERFACE_MODE_SGMII) { + ret = generic_phy_get_by_index(dev, 0, &phy); + if (!ret) { + ret = generic_phy_init(&phy); + if (ret) + return ret; + } else if (ret != -ENOENT) { + debug("could not get phy (err %d)\n", ret); + return ret; + } + } ret = zynq_gem_reset_init(dev); if (ret) @@ -769,6 +783,12 @@ static int zynq_gem_probe(struct udevice *dev) if (ret) goto err3; + if (priv->interface == PHY_INTERFACE_MODE_SGMII && phy.dev) { + ret = generic_phy_power_on(&phy); + if (ret) + return ret; + } + return ret; err3: -- 2.39.5