Messages in this thread Patch in this message | | | Date | Fri, 18 Sep 2020 10:47:56 +0800 | From | Jisheng Zhang <> | Subject | [PATCH net-next] net: phy: realtek: enable ALDPS to save power for RTL8211F |
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Enable ALDPS function to save power when link down.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com> --- drivers/net/phy/realtek.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 95dbe5e8e1d8..961570186822 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -39,6 +39,10 @@ #define RTL8201F_ISR 0x1e #define RTL8201F_IER 0x13 +#define RTL8211F_ALDPS_PLL_OFF BIT(1) +#define RTL8211F_ALDPS_ENABLE BIT(2) +#define RTL8211F_ALDPS_XTAL_OFF BIT(12) + #define RTL8366RB_POWER_SAVE 0x15 #define RTL8366RB_POWER_SAVE_ON BIT(12) @@ -178,8 +182,12 @@ static int rtl8211f_config_init(struct phy_device *phydev) { struct device *dev = &phydev->mdio.dev; u16 val_txdly, val_rxdly; + u16 val; int ret; + val = RTL8211F_ALDPS_ENABLE | RTL8211F_ALDPS_PLL_OFF | RTL8211F_ALDPS_XTAL_OFF; + phy_modify_paged_changed(phydev, 0xa43, 0x18, val, val); + switch (phydev->interface) { case PHY_INTERFACE_MODE_RGMII: val_txdly = 0; -- 2.28.0
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