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Commit 2c896fb0 authored by David Wu's avatar David Wu Committed by David S. Miller
Browse files

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: default avatarDavid Wu <david.wu@rock-chips.com>
Signed-off-by: default avatarCaesar Wang <wxt@rock-chips.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 45383f52

drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c

+9 −0
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ 
#include <linux/delay.h>

#include <linux/mfd/syscon.h>

#include <linux/regmap.h>

#include <linux/pm_runtime.h>



#include "stmmac_platform.h"
@@ -883,11 +884,19 @@ static int rk_gmac_powerup(struct rk_priv_data *bsp_priv) 
	if (ret)

		return ret;



	pm_runtime_enable(dev);

	pm_runtime_get_sync(dev);



	return 0;

}



static void rk_gmac_powerdown(struct rk_priv_data *gmac)

{

	struct device *dev = &gmac->pdev->dev;



	pm_runtime_put_sync(dev);

	pm_runtime_disable(dev);



	phy_power_on(gmac, false);

	gmac_clk_enable(gmac, false);

}