2 /* Driver for the Texas Instruments DP83869 PHY
16 #include <dt-bindings/net/ti-dp83869.h>
157 	struct dp83869_private *dp83869 = phydev->priv;  in dp83869_read_status()  local
166 			if (dp83869->mode == DP83869_RGMII_100_BASE)  in dp83869_read_status()
462 	struct dp83869_private *dp83869 = phydev->priv;  in dp83869_config_port_mirroring()  local
464 	if (dp83869->port_mirroring == DP83869_PORT_MIRRORING_EN)  in dp83869_config_port_mirroring()
476 	struct dp83869_private *dp83869 = phydev->priv;  in dp83869_set_strapped_mode()  local
483 	dp83869->mode = val & DP83869_STRAP_OP_MODE_MASK;  in dp83869_set_strapped_mode()
495 	struct dp83869_private *dp83869 = phydev->priv;  in dp83869_of_init()  local
504 	dp83869->io_impedance = -EINVAL;  in dp83869_of_init()
508 				   &dp83869->clk_output_sel);  in dp83869_of_init()
509 	if (ret || dp83869->clk_output_sel > DP83869_CLK_O_SEL_REF_CLK)  in dp83869_of_init()
510 		dp83869->clk_output_sel = DP83869_CLK_O_SEL_REF_CLK;  in dp83869_of_init()
512 	ret = of_property_read_u32(of_node, "ti,op-mode", &dp83869->mode);  in dp83869_of_init()
514 		if (dp83869->mode < DP83869_RGMII_COPPER_ETHERNET ||  in dp83869_of_init()
515 		    dp83869->mode > DP83869_SGMII_COPPER_ETHERNET)  in dp83869_of_init()
524 		dp83869->io_impedance = DP83869_IO_MUX_CFG_IO_IMPEDANCE_MAX;  in dp83869_of_init()
526 		dp83869->io_impedance = DP83869_IO_MUX_CFG_IO_IMPEDANCE_MIN;  in dp83869_of_init()
529 		dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN;  in dp83869_of_init()
537 			dp83869->port_mirroring = DP83869_PORT_MIRRORING_EN;  in dp83869_of_init()
539 			dp83869->port_mirroring = DP83869_PORT_MIRRORING_DIS;  in dp83869_of_init()
545 				 &dp83869->rx_fifo_depth))  in dp83869_of_init()
546 		dp83869->rx_fifo_depth = DP83869_PHYCR_FIFO_DEPTH_4_B_NIB;  in dp83869_of_init()
549 				 &dp83869->tx_fifo_depth))  in dp83869_of_init()
550 		dp83869->tx_fifo_depth = DP83869_PHYCR_FIFO_DEPTH_4_B_NIB;  in dp83869_of_init()
552 	dp83869->rx_int_delay = phy_get_internal_delay(phydev, dev,  in dp83869_of_init()
555 	if (dp83869->rx_int_delay < 0)  in dp83869_of_init()
556 		dp83869->rx_int_delay = DP83869_CLK_DELAY_DEF;  in dp83869_of_init()
558 	dp83869->tx_int_delay = phy_get_internal_delay(phydev, dev,  in dp83869_of_init()
561 	if (dp83869->tx_int_delay < 0)  in dp83869_of_init()
562 		dp83869->tx_int_delay = DP83869_CLK_DELAY_DEF;  in dp83869_of_init()
574 				   struct dp83869_private *dp83869)  in dp83869_configure_rgmii()  argument
584 		val |= (dp83869->tx_fifo_depth << DP83869_TX_FIFO_SHIFT);  in dp83869_configure_rgmii()
585 		val |= (dp83869->rx_fifo_depth << DP83869_RX_FIFO_SHIFT);  in dp83869_configure_rgmii()
592 	if (dp83869->io_impedance >= 0)  in dp83869_configure_rgmii()
596 				     dp83869->io_impedance &  in dp83869_configure_rgmii()
603 				   struct dp83869_private *dp83869)  in dp83869_configure_fiber()  argument
615 	if (dp83869->mode == DP83869_RGMII_1000_BASE) {  in dp83869_configure_fiber()
648 				  struct dp83869_private *dp83869)  in dp83869_configure_mode()  argument
653 	if (dp83869->mode < DP83869_RGMII_COPPER_ETHERNET ||  in dp83869_configure_mode()
654 	    dp83869->mode > DP83869_SGMII_COPPER_ETHERNET)  in dp83869_configure_mode()
661 			    dp83869->mode);  in dp83869_configure_mode()
669 	phy_ctrl_val = (dp83869->rx_fifo_depth << DP83869_RX_FIFO_SHIFT |  in dp83869_configure_mode()
670 			dp83869->tx_fifo_depth << DP83869_TX_FIFO_SHIFT |  in dp83869_configure_mode()
673 	switch (dp83869->mode) {  in dp83869_configure_mode()
684 		ret = dp83869_configure_rgmii(phydev, dp83869);  in dp83869_configure_mode()
736 		ret = dp83869_configure_fiber(phydev, dp83869);  in dp83869_configure_mode()
747 	struct dp83869_private *dp83869 = phydev->priv;  in dp83869_config_init()  local
756 	ret = dp83869_configure_mode(phydev, dp83869);  in dp83869_config_init()
767 	if (dp83869->port_mirroring != DP83869_PORT_MIRRORING_KEEP)  in dp83869_config_init()
771 	if (dp83869->clk_output_sel != DP83869_CLK_O_SEL_REF_CLK)  in dp83869_config_init()
775 				     dp83869->clk_output_sel <<  in dp83869_config_init()
780 				    dp83869->rx_int_delay |  in dp83869_config_init()
781 			dp83869->tx_int_delay << DP83869_RGMII_CLK_DELAY_SHIFT);  in dp83869_config_init()
808 	struct dp83869_private *dp83869;  in dp83869_probe()  local
811 	dp83869 = devm_kzalloc(&phydev->mdio.dev, sizeof(*dp83869),  in dp83869_probe()
813 	if (!dp83869)  in dp83869_probe()
816 	phydev->priv = dp83869;  in dp83869_probe()
822 	if (dp83869->mode == DP83869_RGMII_100_BASE ||  in dp83869_probe()
823 	    dp83869->mode == DP83869_RGMII_1000_BASE)  in dp83869_probe()
848 		.name		= "TI DP83869",
877 MODULE_DESCRIPTION("Texas Instruments DP83869 PHY driver");