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- From 1d81e51d6d79d9098013b2e8cdd677bae998c5d8 Mon Sep 17 00:00:00 2001
- From: David Bauer <[email protected]>
- Date: Fri, 28 Apr 2023 02:22:59 +0200
- Subject: [PATCH 1/2] mt7530: register OF node for internal MDIO bus
- The MT753x switches provide a switch-internal MDIO bus for the embedded
- PHYs.
- Register a OF sub-node on the switch OF-node for this internal MDIO bus.
- This allows to configure the embedded PHYs using device-tree.
- Signed-off-by: David Bauer <[email protected]>
- ---
- drivers/net/dsa/mt7530.c | 7 ++++++-
- 1 file changed, 6 insertions(+), 1 deletion(-)
- --- a/drivers/net/dsa/mt7530.c
- +++ b/drivers/net/dsa/mt7530.c
- @@ -2142,10 +2142,13 @@ mt7530_setup_mdio(struct mt7530_priv *pr
- {
- struct dsa_switch *ds = priv->ds;
- struct device *dev = priv->dev;
- + struct device_node *np, *mnp;
- struct mii_bus *bus;
- static int idx;
- int ret;
-
- + np = priv->dev->of_node;
- +
- bus = devm_mdiobus_alloc(dev);
- if (!bus)
- return -ENOMEM;
- @@ -2162,7 +2165,9 @@ mt7530_setup_mdio(struct mt7530_priv *pr
- if (priv->irq)
- mt7530_setup_mdio_irq(priv);
-
- - ret = devm_mdiobus_register(dev, bus);
- + mnp = of_get_child_by_name(np, "mdio");
- + ret = devm_of_mdiobus_register(dev, bus, mnp);
- + of_node_put(mnp);
- if (ret) {
- dev_err(dev, "failed to register MDIO bus: %d\n", ret);
- if (priv->irq)
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