2 /* Driver for the Texas Instruments DP83869 PHY
16 #include <dt-bindings/net/ti-dp83869.h>
158 	struct dp83869_private *dp83869 = phydev->priv;  in dp83869_config_aneg()  local
160 	if (dp83869->mode != DP83869_RGMII_1000_BASE)  in dp83869_config_aneg()
168 	struct dp83869_private *dp83869 = phydev->priv;  in dp83869_read_status()  local
172 	if (dp83869->mode == DP83869_RGMII_1000_BASE)  in dp83869_read_status()
179 	if (dp83869->mode == DP83869_RGMII_100_BASE) {  in dp83869_read_status()
510 	struct dp83869_private *dp83869 = phydev->priv;  in dp83869_config_port_mirroring()  local
512 	if (dp83869->port_mirroring == DP83869_PORT_MIRRORING_EN)  in dp83869_config_port_mirroring()
524 	struct dp83869_private *dp83869 = phydev->priv;  in dp83869_set_strapped_mode()  local
531 	dp83869->mode = FIELD_GET(DP83869_STRAP_OP_MODE_MASK, val);  in dp83869_set_strapped_mode()
544 	struct dp83869_private *dp83869 = phydev->priv;  in dp83869_of_init()  local
551 	dp83869->io_impedance = -EINVAL;  in dp83869_of_init()
555 				   &dp83869->clk_output_sel);  in dp83869_of_init()
556 	if (ret || dp83869->clk_output_sel > DP83869_CLK_O_SEL_REF_CLK)  in dp83869_of_init()
557 		dp83869->clk_output_sel = DP83869_CLK_O_SEL_REF_CLK;  in dp83869_of_init()
559 	ret = of_property_read_u32(of_node, "ti,op-mode", &dp83869->mode);  in dp83869_of_init()
561 		if (dp83869->mode < DP83869_RGMII_COPPER_ETHERNET ||  in dp83869_of_init()
562 		    dp83869->mode > DP83869_SGMII_COPPER_ETHERNET)  in dp83869_of_init()
571 		dp83869->io_impedance = DP83869_IO_MUX_CFG_IO_IMPEDANCE_MAX;  in dp83869_of_init()
573 		dp83869->io_impedance = DP83869_IO_MUX_CFG_IO_IMPEDANCE_MIN;  in dp83869_of_init()
576 		dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN;  in dp83869_of_init()
584 			dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN;  in dp83869_of_init()
586 			dp83869->port_mirroring = DP83869_PORT_MIRRORING_DIS;  in dp83869_of_init()
592 				 &dp83869->rx_fifo_depth))  in dp83869_of_init()
593 		dp83869->rx_fifo_depth = DP83869_PHYCR_FIFO_DEPTH_4_B_NIB;  in dp83869_of_init()
596 				 &dp83869->tx_fifo_depth))  in dp83869_of_init()
597 		dp83869->tx_fifo_depth = DP83869_PHYCR_FIFO_DEPTH_4_B_NIB;  in dp83869_of_init()
599 	dp83869->rx_int_delay = phy_get_internal_delay(phydev,  in dp83869_of_init()
602 	if (dp83869->rx_int_delay < 0)  in dp83869_of_init()
603 		dp83869->rx_int_delay = DP83869_CLK_DELAY_DEF;  in dp83869_of_init()
605 	dp83869->tx_int_delay = phy_get_internal_delay(phydev,  in dp83869_of_init()
608 	if (dp83869->tx_int_delay < 0)  in dp83869_of_init()
609 		dp83869->tx_int_delay = DP83869_CLK_DELAY_DEF;  in dp83869_of_init()
621 				   struct dp83869_private *dp83869)  in dp83869_configure_rgmii()  argument
631 		val |= (dp83869->tx_fifo_depth << DP83869_TX_FIFO_SHIFT);  in dp83869_configure_rgmii()
632 		val |= (dp83869->rx_fifo_depth << DP83869_RX_FIFO_SHIFT);  in dp83869_configure_rgmii()
639 	if (dp83869->io_impedance >= 0)  in dp83869_configure_rgmii()
643 				     dp83869->io_impedance &  in dp83869_configure_rgmii()
650 				   struct dp83869_private *dp83869)  in dp83869_configure_fiber()  argument
661 	if (dp83869->mode == DP83869_RGMII_1000_BASE) {  in dp83869_configure_fiber()
694 				  struct dp83869_private *dp83869)  in dp83869_configure_mode()  argument
699 	if (dp83869->mode < DP83869_RGMII_COPPER_ETHERNET ||  in dp83869_configure_mode()
700 	    dp83869->mode > DP83869_SGMII_COPPER_ETHERNET)  in dp83869_configure_mode()
706 	phy_ctrl_val = dp83869->mode;  in dp83869_configure_mode()
708 		if (dp83869->mode == DP83869_100M_MEDIA_CONVERT ||  in dp83869_configure_mode()
709 		    dp83869->mode == DP83869_RGMII_100_BASE ||  in dp83869_configure_mode()
710 		    dp83869->mode == DP83869_RGMII_COPPER_ETHERNET) {  in dp83869_configure_mode()
727 	phy_ctrl_val = (dp83869->rx_fifo_depth << DP83869_RX_FIFO_SHIFT |  in dp83869_configure_mode()
728 			dp83869->tx_fifo_depth << DP83869_TX_FIFO_SHIFT |  in dp83869_configure_mode()
731 	switch (dp83869->mode) {  in dp83869_configure_mode()
742 		ret = dp83869_configure_rgmii(phydev, dp83869);  in dp83869_configure_mode()
794 		ret = dp83869_configure_fiber(phydev, dp83869);  in dp83869_configure_mode()
805 	struct dp83869_private *dp83869 = phydev->priv;  in dp83869_config_init()  local
814 	ret = dp83869_configure_mode(phydev, dp83869);  in dp83869_config_init()
825 	if (dp83869->port_mirroring != DP83869_PORT_MIRRORING_KEEP)  in dp83869_config_init()
829 	if (dp83869->clk_output_sel != DP83869_CLK_O_SEL_REF_CLK)  in dp83869_config_init()
833 				     dp83869->clk_output_sel <<  in dp83869_config_init()
838 				    dp83869->rx_int_delay |  in dp83869_config_init()
839 			dp83869->tx_int_delay << DP83869_RGMII_CLK_DELAY_SHIFT);  in dp83869_config_init()
866 	struct dp83869_private *dp83869;  in dp83869_probe()  local
869 	dp83869 = devm_kzalloc(&phydev->mdio.dev, sizeof(*dp83869),  in dp83869_probe()
871 	if (!dp83869)  in dp83869_probe()
874 	phydev->priv = dp83869;  in dp83869_probe()
880 	if (dp83869->mode == DP83869_RGMII_100_BASE ||  in dp83869_probe()
881 	    dp83869->mode == DP83869_RGMII_1000_BASE)  in dp83869_probe()
924 	DP83869_PHY_DRIVER(DP83869_PHY_ID, "TI DP83869"),
937 MODULE_DESCRIPTION("Texas Instruments DP83869 PHY driver");