Commit 66e22932 authored by Jisheng Zhang's avatar Jisheng Zhang Committed by David S. Miller
Browse files

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: default avatarJisheng Zhang <Jisheng.Zhang@synaptics.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a7920efd

drivers/net/phy/realtek.c

+9 −0
Original line number Diff line number Diff line
@@ -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;