mvebu: experimental qca8k ar8236 support

diff --git a/target/linux/mvebu/patches-5.4/999-qca8k-ar8236.patch b/target/linux/mvebu/patches-5.4/999-qca8k-ar8236.patch
new file mode 100644 (file)
index 0000000..bc90864
--- /dev/null
+++ b/target/linux/mvebu/patches-5.4/999-qca8k-ar8236.patch
@@ -0,0 +1,41 @@
+diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
+index f1e484477e35..b50d953e6d6b 100644
+--- a/drivers/net/dsa/qca8k.c
++++ b/drivers/net/dsa/qca8k.c
+@@ -1433,8 +1433,14 @@ qca8k_sw_probe(struct mdio_device *mdiodev)
+       id = qca8k_read(priv, QCA8K_REG_MASK_CTRL);
+       id >>= QCA8K_MASK_CTRL_ID_S;
+       id &= QCA8K_MASK_CTRL_ID_M;
+-      if (id != QCA8K_ID_QCA8337)
++
++      switch (id) {
++      case QCA8K_ID_QCA8337:
++      case QCA8K_ID_QCA8236:
++              break;
++      default:
+               return -ENODEV;
++      }
+ 
+       priv->ds = devm_kzalloc(&mdiodev->dev, sizeof(*priv->ds), GFP_KERNEL);
+       if (!priv->ds)
+@@ -1501,6 +1507,7 @@ static SIMPLE_DEV_PM_OPS(qca8k_pm_ops,
+                        qca8k_suspend, qca8k_resume);
+ 
+ static const struct of_device_id qca8k_of_match[] = {
++      { .compatible = "qca,qca8236" },
+       { .compatible = "qca,qca8334" },
+       { .compatible = "qca,qca8337" },
+       { /* sentinel */ },
+diff --git a/drivers/net/dsa/qca8k.h b/drivers/net/dsa/qca8k.h
+index 7ca4b93e0bb5..b8458e758db8 100644
+--- a/drivers/net/dsa/qca8k.h
++++ b/drivers/net/dsa/qca8k.h
+@@ -15,7 +15,7 @@
+ #define QCA8K_NUM_PORTS                                       7
+ #define QCA8K_MAX_MTU                                 9000
+ 
+-#define PHY_ID_QCA8337                                        0x004dd036
++#define QCA8K_ID_QCA8236                              0x03
+ #define QCA8K_ID_QCA8337                              0x13
+ 
+ #define QCA8K_NUM_FDB_RECORDS                         2048