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net: stmmac: dwmac-rk: add pd_gmac support for rk3399
Add the gmac power domain support for rk3399, in order to save more power consumption. Signed-off-by: David Wu <david.wu@rock-chips.com> Signed-off-by: Caesar Wang <wxt@rock-chips.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -30,6 +30,7 @@
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#include <linux/delay.h>
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#include <linux/mfd/syscon.h>
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#include <linux/regmap.h>
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#include <linux/pm_runtime.h>
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#include "stmmac_platform.h"
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@ -883,11 +884,19 @@ static int rk_gmac_powerup(struct rk_priv_data *bsp_priv)
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if (ret)
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return ret;
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pm_runtime_enable(dev);
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pm_runtime_get_sync(dev);
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return 0;
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}
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static void rk_gmac_powerdown(struct rk_priv_data *gmac)
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{
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struct device *dev = &gmac->pdev->dev;
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pm_runtime_put_sync(dev);
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pm_runtime_disable(dev);
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phy_power_on(gmac, false);
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gmac_clk_enable(gmac, false);
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}
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