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Commit 6fa12c78 authored by David Wu's avatar David Wu Committed by David S. Miller
Browse files

net: stmmac: dwmac-rk: Add integrated PHY support for rk3228 



There is only one mac controller in rk3228, which could connect to
external PHY or integrated PHY, use the grf_com_mux bit15 to route
external/integrated PHY.

Signed-off-by: default avatarDavid Wu <david.wu@rock-chips.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fecd4d7e

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

+12 −0
Original line number Diff line number Diff line
@@ -86,6 +86,8 @@ struct rk_priv_data { 
#define RK3228_GRF_MAC_CON0	0x0900

#define RK3228_GRF_MAC_CON1	0x0904



#define RK3228_GRF_CON_MUX	0x50



/* RK3228_GRF_MAC_CON0 */

#define RK3228_GMAC_CLK_RX_DL_CFG(val)	HIWORD_UPDATE(val, 0x7F, 7)

#define RK3228_GMAC_CLK_TX_DL_CFG(val)	HIWORD_UPDATE(val, 0x7F, 0)
@@ -111,6 +113,9 @@ struct rk_priv_data { 
#define RK3228_GMAC_RXCLK_DLY_ENABLE	GRF_BIT(1)

#define RK3228_GMAC_RXCLK_DLY_DISABLE	GRF_CLR_BIT(1)



/* RK3228_GRF_COM_MUX */

#define RK3228_GRF_CON_MUX_GMAC_INTEGRATED_PHY	GRF_BIT(15)



static void rk3228_set_to_rgmii(struct rk_priv_data *bsp_priv,

				int tx_delay, int rx_delay)

{
@@ -191,11 +196,18 @@ static void rk3228_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed) 
		dev_err(dev, "unknown speed value for RMII! speed=%d", speed);

}



static void rk3228_integrated_phy_powerup(struct rk_priv_data *priv)

{

	regmap_write(priv->grf, RK3228_GRF_CON_MUX,

		     RK3228_GRF_CON_MUX_GMAC_INTEGRATED_PHY);

}



static const struct rk_gmac_ops rk3228_ops = {

	.set_to_rgmii = rk3228_set_to_rgmii,

	.set_to_rmii = rk3228_set_to_rmii,

	.set_rgmii_speed = rk3228_set_rgmii_speed,

	.set_rmii_speed = rk3228_set_rmii_speed,

	.integrated_phy_powerup =  rk3228_integrated_phy_powerup,

};



#define RK3288_GRF_SOC_CON1	0x0248