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

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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: David Wu <david.wu@rock-chips.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Wu 2017-08-10 22:00:25 +08:00 committed by David S. Miller
parent fecd4d7eef
commit 6fa12c787c
1 changed files with 12 additions and 0 deletions
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12
drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
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@ -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