uboot-phytec
Public
Source
committed 512a84c444712
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#include <errno.h>13
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#include <generic-phy.h>14
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#include <regmap.h>15
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#include <syscon.h>16
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#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT BIT(0)18
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#define OMAP_DEV_PHY_PD BIT(0)20
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#define OMAP_USB2_PHY_PD BIT(28)21
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#define AM437X_USB2_PHY_PD BIT(0)23
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#define AM437X_USB2_OTG_PD BIT(1)24
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#define AM437X_USB2_OTGVDET_EN BIT(19)25
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#define AM437X_USB2_OTGSESSEND_EN BIT(20)26
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#define USB2PHY_DISCON_BYP_LATCH BIT(31)23
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#define USB2PHY_ANA_CONFIG1 (0x4c)24
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DECLARE_GLOBAL_DATA_PTR;26
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struct omap_usb2_phy {28
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struct regmap *pwr_regmap;29
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ulong flags;30
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void *phy_base;31
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u32 pwr_reg_offset;53
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.power_off = OMAP_DEV_PHY_PD,54
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};55
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static const struct usb_phy_data dra7x_usb2_phy2_data = {57
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.label = "dra7x_usb2_phy2",58
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.flags = OMAP_USB2_CALIBRATE_FALSE_DISCONNECT,59
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.mask = OMAP_USB2_PHY_PD,60
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.power_off = OMAP_USB2_PHY_PD,61
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};62
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static const struct usb_phy_data am437x_usb2_data = {69
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.label = "am437x_usb2",70
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.flags = 0,71
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.mask = AM437X_USB2_PHY_PD | AM437X_USB2_OTG_PD |72
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AM437X_USB2_OTGVDET_EN | AM437X_USB2_OTGSESSEND_EN,73
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.power_on = AM437X_USB2_OTGVDET_EN | AM437X_USB2_OTGSESSEND_EN,74
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.power_off = AM437X_USB2_PHY_PD | AM437X_USB2_OTG_PD,75
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};76
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static const struct udevice_id omap_usb2_id_table[] = {64
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{65
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.compatible = "ti,omap5-usb2",66
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.data = (ulong)&omap5_usb2_data,67
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},68
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{69
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.compatible = "ti,dra7x-usb2",70
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.data = (ulong)&dra7x_usb2_data,71
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},72
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{73
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.compatible = "ti,dra7x-usb2-phy2",74
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.data = (ulong)&dra7x_usb2_phy2_data,75
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},90
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{91
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.compatible = "ti,am437x-usb2",92
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.data = (ulong)&am437x_usb2_data,93
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},76
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{},77
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};78
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static int omap_usb_phy_power(struct phy *usb_phy, bool on)80
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{81
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struct udevice *dev = usb_phy->dev;82
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const struct usb_phy_data *data;83
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const struct omap_usb2_phy *phy = dev_get_priv(dev);84
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u32 val;85
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int rc;163
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if (data->flags & OMAP_USB2_CALIBRATE_FALSE_DISCONNECT) {164
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u32 base = dev_read_addr(dev);165
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if (base == FDT_ADDR_T_NONE)167
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return -EINVAL;168
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priv->phy_base = (void *)base;169
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priv->flags |= OMAP_USB2_CALIBRATE_FALSE_DISCONNECT;170
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}171
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regmap = syscon_regmap_lookup_by_phandle(dev, "syscon-phy-power");173
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if (IS_ERR(regmap)) {174
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printf("can't get regmap (err %ld)\n", PTR_ERR(regmap));175
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return PTR_ERR(regmap);191
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if (!IS_ERR(regmap)) {192
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priv->pwr_regmap = regmap;193
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rc = dev_read_u32_array(dev, "syscon-phy-power", tmp, 2);194
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if (rc) {195
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printf("couldn't get power reg. offset (err %d)\n", rc);196
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return rc;197
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}198
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priv->pwr_reg_offset = tmp[1];199
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return 0;176
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}177
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priv->pwr_regmap = regmap;178
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rc = dev_read_u32_array(dev, "syscon-phy-power", tmp, 2);180
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if (rc) {181
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printf("couldn't get power reg. offset (err %d)\n", rc);182
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return rc;201
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regmap = syscon_regmap_lookup_by_phandle(dev, "ctrl-module");202
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if (!IS_ERR(regmap)) {203
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priv->pwr_regmap = regmap;204
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priv->pwr_reg_offset = 0;205
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return 0;183
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}184
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priv->pwr_reg_offset = tmp[1];185
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return 0;208
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printf("can't get regmap (err %ld)\n", PTR_ERR(regmap));209
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return PTR_ERR(regmap);187
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}188
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U_BOOT_DRIVER(omap_usb2_phy) = {190
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.name = "omap_usb2_phy",191
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.id = UCLASS_PHY,192
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.of_match = omap_usb2_id_table,193
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.probe = omap_usb2_phy_probe,194
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.ops = &omap_usb2_phy_ops,195
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.priv_auto_alloc_size = sizeof(struct omap_usb2_phy),196
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};