usb/host/ehci-sunxi.c

2  * Sunxi ehci glue
10  * SPDX-License-Identifier:	GPL-2.0+
18 #include "ehci.h"
29 	struct ehci_ctrl ehci;  member
32 	int phy_index;     /* Index of the usb-phy attached to this hcd */
43 	priv->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;  in ehci_usb_probe()
44 	if (IS_ERR(priv->ccm))  in ehci_usb_probe()
45 		return PTR_ERR(priv->ccm);  in ehci_usb_probe()
51 	priv->ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0;  in ehci_usb_probe()
55 	priv->phy_index = ((uintptr_t)hccr - SUNXI_USB1_BASE) / BASE_DIST;  in ehci_usb_probe()
56 	priv->ahb_gate_mask <<= priv->phy_index * AHB_CLK_DIST;  in ehci_usb_probe()
57 	extra_ahb_gate_mask <<= priv->phy_index * AHB_CLK_DIST;  in ehci_usb_probe()
58 	priv->phy_index++; /* Non otg phys start at 1 */  in ehci_usb_probe()
60 	setbits_le32(&priv->ccm->ahb_gate0,  in ehci_usb_probe()
61 		     priv->ahb_gate_mask | extra_ahb_gate_mask);  in ehci_usb_probe()
63 	setbits_le32(&priv->ccm->ahb_reset0_cfg,  in ehci_usb_probe()
64 		     priv->ahb_gate_mask | extra_ahb_gate_mask);  in ehci_usb_probe()
67 	sunxi_usb_phy_init(priv->phy_index);  in ehci_usb_probe()
68 	sunxi_usb_phy_power_on(priv->phy_index);  in ehci_usb_probe()
71 				    HC_LENGTH(ehci_readl(&hccr->cr_capbase)));  in ehci_usb_probe()
73 	return ehci_register(dev, hccr, hcor, NULL, 0, plat->init_type);  in ehci_usb_probe()
85 	sunxi_usb_phy_exit(priv->phy_index);  in ehci_usb_remove()
88 	clrbits_le32(&priv->ccm->ahb_reset0_cfg, priv->ahb_gate_mask);  in ehci_usb_remove()
90 	clrbits_le32(&priv->ccm->ahb_gate0, priv->ahb_gate_mask);  in ehci_usb_remove()
96 	{ .compatible = "allwinner,sun4i-a10-ehci", },
97 	{ .compatible = "allwinner,sun5i-a13-ehci", },
98 	{ .compatible = "allwinner,sun6i-a31-ehci", },
99 	{ .compatible = "allwinner,sun7i-a20-ehci", },
100 	{ .compatible = "allwinner,sun8i-a23-ehci", },
101 	{ .compatible = "allwinner,sun8i-a83t-ehci", },
102 	{ .compatible = "allwinner,sun8i-h3-ehci",  },
103 	{ .compatible = "allwinner,sun9i-a80-ehci", },
104 	{ .compatible = "allwinner,sun50i-a64-ehci", },