Add missing mac power sel support needed for some switch that requires
additional setup. ar8327 have a different setup than 8337.
Signed-off-by: Ansuel Smith <ansuelsmth@xxxxxxxxx>
---
drivers/net/dsa/qca8k.c | 27 +++++++++++++++++++++++++++
drivers/net/dsa/qca8k.h | 5 +++++
2 files changed, 32 insertions(+)
diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
index bda5a9bf4f52..5bce7ac4dea7 100644
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -950,6 +950,29 @@ qca8k_setup_of_rgmii_delay(struct qca8k_priv *priv)
return 0;
}
+static int
+qca8k_setup_mac_pwr_sel(struct qca8k_priv *priv)
+{
+ struct device_node *node = priv->dev->of_node;
+ u32 mask = 0;
+ int ret = 0;
+
+ if (of_property_read_bool(node, "qca,rgmii0-1-8v"))
+ mask |= QCA8K_MAC_PWR_RGMII0_1_8V;
+
+ if (of_property_read_bool(node, "qca,rgmii56-1-8v"))
+ mask |= QCA8K_MAC_PWR_RGMII1_1_8V;
+
+ if (mask) {
+ ret = qca8k_rmw(priv, QCA8K_REG_MAC_PWR_SEL,
+ QCA8K_MAC_PWR_RGMII0_1_8V |
+ QCA8K_MAC_PWR_RGMII1_1_8V,
+ mask);
+ }
+
+ return ret;
+}
+
static int
qca8k_setup(struct dsa_switch *ds)
{
@@ -979,6 +1002,10 @@ qca8k_setup(struct dsa_switch *ds)
if (ret)
return ret;
+ ret = qca8k_setup_mac_pwr_sel(priv);
+ if (ret)
+ return ret;
+
/* Enable CPU Port */
ret = qca8k_reg_set(priv, QCA8K_REG_GLOBAL_FW_CTRL0,
QCA8K_GLOBAL_FW_CTRL0_CPU_PORT_EN);
diff --git a/drivers/net/dsa/qca8k.h b/drivers/net/dsa/qca8k.h
index ed3b05ad6745..fc7db94cc0c9 100644
--- a/drivers/net/dsa/qca8k.h
+++ b/drivers/net/dsa/qca8k.h
@@ -100,6 +100,11 @@
#define QCA8K_SGMII_MODE_CTRL_PHY (1 << 22)
#define QCA8K_SGMII_MODE_CTRL_MAC (2 << 22)
+/* MAC_PWR_SEL registers */
+#define QCA8K_REG_MAC_PWR_SEL 0x0e4
+#define QCA8K_MAC_PWR_RGMII1_1_8V BIT(18)
+#define QCA8K_MAC_PWR_RGMII0_1_8V BIT(19)
+
/* EEE control registers */
#define QCA8K_REG_EEE_CTRL 0x100
#define QCA8K_REG_EEE_CTRL_LPI_EN(_i) ((_i + 1) * 2)
--
2.32.0
