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-rw-r--r--Documentation/devicetree/bindings/net/dsa/ksz.txt2
-rw-r--r--drivers/net/dsa/microchip/ksz9477.c4
-rw-r--r--drivers/net/dsa/microchip/ksz_common.c2
-rw-r--r--drivers/net/dsa/microchip/ksz_priv.h1
4 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/dsa/ksz.txt b/Documentation/devicetree/bindings/net/dsa/ksz.txt
index e7db7268fd0f..4ac21cef370e 100644
--- a/Documentation/devicetree/bindings/net/dsa/ksz.txt
+++ b/Documentation/devicetree/bindings/net/dsa/ksz.txt
@@ -16,6 +16,8 @@ Required properties:
Optional properties:
- reset-gpios : Should be a gpio specifier for a reset line
+- microchip,synclko-125 : Set if the output SYNCLKO frequency should be set to
+ 125MHz instead of 25MHz.
See Documentation/devicetree/bindings/net/dsa/dsa.txt for a list of additional
required and optional properties.
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index 7be6d848b69f..508380f80875 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -258,6 +258,10 @@ static int ksz9477_reset_switch(struct ksz_device *dev)
data16 |= (BROADCAST_STORM_VALUE * BROADCAST_STORM_PROT_RATE) / 100;
ksz_write16(dev, REG_SW_MAC_CTRL_2, data16);
+ if (dev->synclko_125)
+ ksz_write8(dev, REG_SW_GLOBAL_OUTPUT_CTRL__1,
+ SW_ENABLE_REFCLKO | SW_REFCLKO_IS_125MHZ);
+
return 0;
}
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 39dace8e3512..40c57d84816f 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -460,6 +460,8 @@ int ksz_switch_register(struct ksz_device *dev,
ret = of_get_phy_mode(dev->dev->of_node);
if (ret >= 0)
dev->interface = ret;
+ dev->synclko_125 = of_property_read_bool(dev->dev->of_node,
+ "microchip,synclko-125");
}
ret = dsa_register_switch(dev->ds);
diff --git a/drivers/net/dsa/microchip/ksz_priv.h b/drivers/net/dsa/microchip/ksz_priv.h
index 724301df91db..c615d2a81dd5 100644
--- a/drivers/net/dsa/microchip/ksz_priv.h
+++ b/drivers/net/dsa/microchip/ksz_priv.h
@@ -78,6 +78,7 @@ struct ksz_device {
phy_interface_t interface;
u32 regs_size;
bool phy_errata_9477;
+ bool synclko_125;
struct vlan_table *vlan_cache;