ramips: remove superfluous & confusing DT binding

[openwrt/staging/rmilecki.git] / target / linux / ramips / files-4.14 / drivers / net / ethernet / mediatek / gsw_mt7620.c

diff --git a/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c b/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c
index a4602c45868f4f8a68576d8857faa213960d2047..192603a68c89ca32e7b3425135434149f0812398 100644 (file)
--- a/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c
+++ b/target/linux/ramips/files-4.14/drivers/net/ethernet/mediatek/gsw_mt7620.c
@@ -60,7 +60,28 @@ static irqreturn_t gsw_interrupt_mt7620(int irq, void *_priv)
        return IRQ_HANDLED;
 }
 
-static void mt7620_hw_init(struct mt7620_gsw *gsw, struct device_node *np)
+static int mt7620_mdio_mode(struct device_node *eth_node)
+{
+       struct device_node *phy_node, *mdiobus_node;
+       const __be32 *id;
+       int ret = 0;
+
+       mdiobus_node = of_get_child_by_name(eth_node, "mdio-bus");
+
+       if (mdiobus_node) {
+               for_each_child_of_node(mdiobus_node, phy_node) {
+                       id = of_get_property(phy_node, "reg", NULL);
+                       if (id && (be32_to_cpu(*id) == 0x1f))
+                               ret = 1;
+               }
+
+               of_node_put(mdiobus_node);
+       }
+
+       return ret;
+}
+
+static void mt7620_hw_init(struct mt7620_gsw *gsw, int mdio_mode)
 {
        u32 is_BGA = (rt_sysc_r32(0x0c) >> 16) & 1;
 
@@ -70,7 +91,7 @@ static void mt7620_hw_init(struct mt7620_gsw *gsw, struct device_node *np)
        /* Enable MIB stats */
        mtk_switch_w32(gsw, mtk_switch_r32(gsw, GSW_REG_MIB_CNT_EN) | (1 << 1), GSW_REG_MIB_CNT_EN);
 
-       if (of_property_read_bool(np, "mediatek,mt7530")) {
+       if (mdio_mode) {
                u32 val;
 
                /* turn off ephy and set phy base addr to 12 */
@@ -192,7 +213,7 @@ int mtk_gsw_init(struct fe_priv *priv)
        gsw = platform_get_drvdata(pdev);
        priv->soc->swpriv = gsw;
 
-       mt7620_hw_init(gsw, np);
+       mt7620_hw_init(gsw, mt7620_mdio_mode(priv->dev->of_node));
 
        if (gsw->irq) {
                request_irq(gsw->irq, gsw_interrupt_mt7620, 0,