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| author | Jisheng Zhang <Jisheng.Zhang@synaptics.com> | 2020-09-21 09:13:54 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-09-21 14:50:12 -0700 |
| commit | 66e22932eb795f12cc78c7592581673049d85a8c (patch) | |
| tree | 942767ad27ecdfec5070743356a6c1f87d101ef6 | |
| parent | a7920efdd86d8a0d74402dbc80ead03b023294ba (diff) | |
| download | linux-66e22932eb795f12cc78c7592581673049d85a8c.tar.gz linux-66e22932eb795f12cc78c7592581673049d85a8c.tar.bz2 linux-66e22932eb795f12cc78c7592581673049d85a8c.zip | |
net: phy: realtek: enable ALDPS to save power for RTL8211F
Enable ALDPS(Advanced Link Down Power Saving) to save power when
link down.
Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/phy/realtek.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c index 95dbe5e8e1d8..4bf54cded48a 100644 --- a/drivers/net/phy/realtek.c +++ b/drivers/net/phy/realtek.c @@ -27,11 +27,16 @@ #define RTL821x_EXT_PAGE_SELECT 0x1e #define RTL821x_PAGE_SELECT 0x1f +#define RTL8211F_PHYCR1 0x18 #define RTL8211F_INSR 0x1d #define RTL8211F_TX_DELAY BIT(8) #define RTL8211F_RX_DELAY BIT(3) +#define RTL8211F_ALDPS_PLL_OFF BIT(1) +#define RTL8211F_ALDPS_ENABLE BIT(2) +#define RTL8211F_ALDPS_XTAL_OFF BIT(12) + #define RTL8211E_TX_DELAY BIT(1) #define RTL8211E_RX_DELAY BIT(2) #define RTL8211E_MODE_MII_GMII BIT(3) @@ -178,8 +183,12 @@ 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, RTL8211F_PHYCR1, val, val); + switch (phydev->interface) { case PHY_INTERFACE_MODE_RGMII: val_txdly = 0; |