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| author | David Bauer <mail@david-bauer.net> | 2023-04-30 13:45:33 +0200 |
|---|---|---|
| committer | David Bauer <mail@david-bauer.net> | 2023-05-11 23:09:04 +0200 |
| commit | 523c392fe675f83f7db8460e52f7f9b99bccae65 (patch) | |
| tree | 8ba2bc3d5bb3d56293f8f6cf980ebdf763d9fc82 /target/linux/generic | |
| parent | 1645c34d564e0df774ec0f7bb58bcef2771703a6 (diff) | |
| download | upstream-523c392fe675f83f7db8460e52f7f9b99bccae65.tar.gz upstream-523c392fe675f83f7db8460e52f7f9b99bccae65.tar.bz2 upstream-523c392fe675f83f7db8460e52f7f9b99bccae65.zip | |
generic: mt7530: enable PHY configuration using OF
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 <mail@david-bauer.net>
Diffstat (limited to 'target/linux/generic')
| -rw-r--r-- | target/linux/generic/pending-5.15/795-mt7530-register-OF-node-for-internal-MDIO-bus.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.15/795-mt7530-register-OF-node-for-internal-MDIO-bus.patch b/target/linux/generic/pending-5.15/795-mt7530-register-OF-node-for-internal-MDIO-bus.patch new file mode 100644 index 0000000000..f9b88db995 --- /dev/null +++ b/target/linux/generic/pending-5.15/795-mt7530-register-OF-node-for-internal-MDIO-bus.patch @@ -0,0 +1,43 @@ +From 1d81e51d6d79d9098013b2e8cdd677bae998c5d8 Mon Sep 17 00:00:00 2001 +From: David Bauer <mail@david-bauer.net> +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 <mail@david-bauer.net> +--- + 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 +@@ -2081,10 +2081,13 @@ 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; +@@ -2101,7 +2104,9 @@ 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) |