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ethernet: turn off led and phy power

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PD#164611: u211 optimize power for phy

Change-Id: Ic5eb4684b221f84abc581520fe89cde4d271d1cf
Signed-off-by: Zhuo Wang <zhuo.wang@amlogic.com>
This commit is contained in:
Zhuo Wang
2018-06-14 14:01:11 +08:00
committed by Yixun Lan
parent 39234ed727
commit aacc2c1591
5 changed files with 69 additions and 9 deletions
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3
arch/arm64/boot/dts/amlogic/g12a_s905d2_skt.dts
View File

@@ -1113,8 +1113,9 @@
};
&ethmac {
status = "okay";
pinctrl-names = "internal_eth_pins";
pinctrl-names = "internal_eth_pins", "internal_gpio_pins";
pinctrl-0 = <&internal_eth_pins>;
pinctrl-1 = <&internal_gpio_pins>;
mc_val = <0x4be04>;
internal_phy=<1>;

3
arch/arm64/boot/dts/amlogic/g12a_s905x2_u211.dts
View File

@@ -1124,8 +1124,9 @@
};
&ethmac {
status = "okay";
pinctrl-names = "internal_eth_pins";
pinctrl-names = "internal_eth_pins", "internal_gpio_pins";
pinctrl-0 = <&internal_eth_pins>;
pinctrl-1 = <&internal_gpio_pins>;
mc_val = <0x4be04>;
internal_phy=<1>;

3
arch/arm64/boot/dts/amlogic/g12a_s905y2_u221.dts
View File

@@ -1088,8 +1088,9 @@
};
&ethmac {
status = "disabled";
pinctrl-names = "internal_eth_pins";
pinctrl-names = "internal_eth_pins", "internal_gpio_pins";
pinctrl-0 = <&internal_eth_pins>;
pinctrl-1 = <&internal_gpio_pins>;
mc_val = <0x4be04>;
internal_phy=<1>;

10
arch/arm64/boot/dts/amlogic/mesong12a.dtsi
View File

@@ -2415,6 +2415,16 @@
};
};
internal_gpio_pins: internal_gpio_pins {
mux {
groups = "GPIOZ_14",
"GPIOZ_15";
function = "gpio_periphs";
bias-disable;
input-enable;
};
};
external_eth_pins: external_eth_pins {
mux {
groups = "eth_mdio",

59
drivers/net/ethernet/stmicro/stmmac/dwmac-meson.c
View File

@@ -236,10 +236,10 @@ static int dwmac_meson_cfg_ctrl(void __iomem *base_addr)
/*use_phy_smi | use_phy_ip | co_clkin from eth_phy_top*/
writel(0x260, ETH_PHY_config_addr + ETH_PHY_CNTL2);
writel(0x54147, ETH_PHY_config_addr + ETH_PHY_CNTL1);
writel(0x14147, ETH_PHY_config_addr + ETH_PHY_CNTL1);
writel(0x54147, ETH_PHY_config_addr + ETH_PHY_CNTL1);
/*led signal is inverted*/
writel(0x41054147, ETH_PHY_config_addr + ETH_PHY_CNTL1);
writel(0x41014147, ETH_PHY_config_addr + ETH_PHY_CNTL1);
writel(0x41054147, ETH_PHY_config_addr + ETH_PHY_CNTL1);
/*wait phy to reset cause Power Up Reset need 5.2~2.6 ms*/
mdelay(10);
return 0;
@@ -418,11 +418,21 @@ static int dwmac_meson_recover_analog(struct device *dev)
static int meson6_dwmac_suspend(struct device *dev)
{
int ret;
struct pinctrl *pin_ctrl;
struct pinctrl_state *turnoff_tes = NULL;
/*shudown internal phy analog*/
pr_info("suspend inter = %d\n", is_internal_phy);
if (is_internal_phy)
if (is_internal_phy) {
/*turn off led*/
pin_ctrl = devm_pinctrl_get(dev);
turnoff_tes = pinctrl_lookup_state
(pin_ctrl, "internal_gpio_pins");
pinctrl_select_state(pin_ctrl, turnoff_tes);
devm_pinctrl_put(pin_ctrl);
pin_ctrl = NULL;
dwmac_meson_disable_analog(dev);
}
ret = stmmac_pltfr_suspend(dev);
return ret;
@@ -431,16 +441,50 @@ static int meson6_dwmac_suspend(struct device *dev)
static int meson6_dwmac_resume(struct device *dev)
{
int ret;
struct pinctrl *pin_ctrl;
struct pinctrl_state *turnon_tes = NULL;
pr_info("resuem inter = %d\n", is_internal_phy);
if (is_internal_phy)
if (is_internal_phy) {
pin_ctrl = devm_pinctrl_get(dev);
turnon_tes = pinctrl_lookup_state
(pin_ctrl, "internal_eth_pins");
pinctrl_select_state(pin_ctrl, turnon_tes);
devm_pinctrl_put(pin_ctrl);
pin_ctrl = NULL;
dwmac_meson_recover_analog(dev);
}
ret = stmmac_pltfr_resume(dev);
return ret;
}
EXPORT_SYMBOL_GPL(meson6_dwmac_resume);
void meson6_dwmac_shutdown(struct platform_device *pdev)
{
struct net_device *ndev = platform_get_drvdata(pdev);
struct stmmac_priv *priv = netdev_priv(ndev);
struct pinctrl *pin_ctrl;
struct pinctrl_state *turnoff_tes = NULL;
/*shudown internal phy analog*/
if (is_internal_phy) {
pin_ctrl = devm_pinctrl_get(&pdev->dev);
turnoff_tes = pinctrl_lookup_state
(pin_ctrl, "internal_gpio_pins");
pinctrl_select_state(pin_ctrl, turnoff_tes);
devm_pinctrl_put(pin_ctrl);
pin_ctrl = NULL;
dwmac_meson_disable_analog(&pdev->dev);
}
//stmmac_release(ndev);
stmmac_pltfr_suspend(&pdev->dev);
if (priv->phydev)
genphy_suspend(ndev->phydev);
if (priv->plat->exit)
priv->plat->exit(pdev, priv->plat->bsp_priv);
}
#endif
static int meson6_dwmac_probe(struct platform_device *pdev)
{
@@ -539,6 +583,9 @@ SIMPLE_DEV_PM_OPS(stmmac_pltfr_pm_ops, meson6_dwmac_suspend,
static struct platform_driver meson6_dwmac_driver = {
.probe = meson6_dwmac_probe,
.remove = stmmac_pltfr_remove,
#ifdef CONFIG_AMLOGIC_ETH_PRIVE
.shutdown = meson6_dwmac_shutdown,
#endif
.driver = {
.name = "meson6-dwmac",
.pm = &stmmac_pltfr_pm_ops,