By default rtl8366_smi use phy addr 0 at mii-bus to access switch registers.
This patch allow to set it explicitly in dts-file:
rtl8367 {
compatible = "realtek,rtl8367b";
phy_id = <29>; /* switch address at mii-bus */
realtek,extif2 = <1 0 1 1 1 1 1 1 2>;
mii-bus = <&mdio>;
cpu-port = <7>;
}
Use default 0 address if not set.
Backward compatibility tested on tplink archer c2 v1 (rtl8367rb switch)
Signed-off-by: Serge Vasilugin <[email protected]>
--- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.c
@@ -256,7 +256,7 @@ static int __rtl8366_smi_read_reg(struct rtl8366_smi
*smi, u32 addr, u32 *data)
int __rtl8366_mdio_read_reg(struct rtl8366_smi *smi, u32 addr, u32 *data)
{
- u32 phy_id = MDC_REALTEK_PHY_ADDR;
+ u32 phy_id = smi->phy_id;
struct mii_bus *mbus = smi->ext_mbus;
BUG_ON(in_interrupt());
@@ -293,7 +293,7 @@ int __rtl8366_mdio_read_reg(struct rtl8366_smi *smi,
u32 addr, u32 *data)
static int __rtl8366_mdio_write_reg(struct rtl8366_smi *smi, u32 addr,
u32 data)
{
- u32 phy_id = MDC_REALTEK_PHY_ADDR;
+ u32 phy_id = smi->phy_id;
struct mii_bus *mbus = smi->ext_mbus;
BUG_ON(in_interrupt());
@@ -1558,6 +1558,14 @@ int rtl8366_smi_probe_of(struct platform_device
*pdev, struct rtl8366_smi *smi)
goto try_gpio;
}
+ of_property_read_u32(np, "phy_id", &smi->phy_id);
+ if(smi->phy_id < 0) {
+ smi->phy_id = MDC_REALTEK_PHY_ADDR;
+ }
+
+ dev_info(&pdev->dev,
+ "switch phy addr=%d\n", smi->phy_id);
+
return 0;
try_gpio:
--- a/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h
+++ b/target/linux/generic/files/drivers/net/phy/rtl8366_smi.h
@@ -64,6 +64,7 @@ struct rtl8366_smi {
u8 dbg_vlan_4k_page;
#endif
struct mii_bus *ext_mbus;
+ u32 phy_id;
};
struct rtl8366_vlan_mc {
---
serge
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