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net: phy: realtek: enable ALDPS to save power for RTL8211F

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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>
This commit is contained in:
Jisheng Zhang 2020-09-21 09:13:54 +08:00 committed by David S. Miller
parent a7920efdd8
commit 66e22932eb
1 changed files with 9 additions and 0 deletions
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9
drivers/net/phy/realtek.c
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@ -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;