select DM_SERIAL
select OF_CONTROL
imply CMD_DM
+ imply DM_USB_GADGET
config ARCH_ZYNQMP
bool "Xilinx ZynqMP based platform"
imply CMD_DM
imply FAT_WRITE
imply MP
+ imply DM_USB_GADGET
config TEGRA
bool "NVIDIA Tegra"
ocp {
u-boot,dm-spl;
+ ocp2scp@4a080000 {
+ compatible = "ti,omap-ocp2scp", "simple-bus";
+ };
+
ocp2scp@4a090000 {
compatible = "ti,omap-ocp2scp", "simple-bus";
};
test4 {
compatible = "denx,u-boot-probe-test";
+ first-syscon = <&syscon0>;
+ second-sys-ctrl = <&another_system_controller>;
};
};
};
};
- syscon@0 {
+ syscon0: syscon@0 {
compatible = "sandbox,syscon0";
reg = <0x10 16>;
};
- syscon@1 {
+ another_system_controller: syscon@1 {
compatible = "sandbox,syscon1";
reg = <0x20 5
0x28 6
struct phy phy;
int ret;
- ret = uclass_get_device(UCLASS_USB_DEV_GENERIC, 0, &dev);
+ ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, 0, &dev);
if (ret) {
pr_err("%s: Cannot find USB device\n", __func__);
return ret;
return;
}
+#if CONFIG_IS_ENABLED(DM_USB) && CONFIG_IS_ENABLED(OF_CONTROL)
+static int device_okay(const char *path)
+{
+ int node;
+
+ node = fdt_path_offset(gd->fdt_blob, path);
+ if (node < 0)
+ return 0;
+
+ return fdtdec_get_is_enabled(gd->fdt_blob, node);
+}
+#endif
+
int board_late_init(void)
{
setup_board_eeprom_env();
board_ti_set_ethaddr(2);
#endif
+#if CONFIG_IS_ENABLED(DM_USB) && CONFIG_IS_ENABLED(OF_CONTROL)
+ if (device_okay("/ocp/omap_dwc3_1@48880000"))
+ enable_usb_clocks(0);
+ if (device_okay("/ocp/omap_dwc3_2@488c0000"))
+ enable_usb_clocks(1);
+#endif
return 0;
}
}
#endif
-#ifdef CONFIG_USB_DWC3
-static struct dwc3_device usb_otg_ss2 = {
- .maximum_speed = USB_SPEED_HIGH,
- .base = DRA7_USB_OTG_SS2_BASE,
- .tx_fifo_resize = false,
- .index = 1,
-};
-
-static struct dwc3_omap_device usb_otg_ss2_glue = {
- .base = (void *)DRA7_USB_OTG_SS2_GLUE_BASE,
- .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
- .index = 1,
-};
-
-static struct ti_usb_phy_device usb_phy2_device = {
- .usb2_phy_power = (void *)DRA7_USB2_PHY2_POWER,
- .index = 1,
-};
-
-int usb_gadget_handle_interrupts(int index)
-{
- u32 status;
-
- status = dwc3_omap_uboot_interrupt_status(index);
- if (status)
- dwc3_uboot_handle_interrupt(index);
-
- return 0;
-}
-#endif /* CONFIG_USB_DWC3 */
-
-#if defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP)
-int board_usb_init(int index, enum usb_init_type init)
-{
- enable_usb_clocks(index);
- switch (index) {
- case 0:
- if (init == USB_INIT_DEVICE) {
- printf("port %d can't be used as device\n", index);
- disable_usb_clocks(index);
- return -EINVAL;
- }
- break;
- case 1:
- if (init == USB_INIT_DEVICE) {
-#ifdef CONFIG_USB_DWC3
- usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL;
- usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
- ti_usb_phy_uboot_init(&usb_phy2_device);
- dwc3_omap_uboot_init(&usb_otg_ss2_glue);
- dwc3_uboot_init(&usb_otg_ss2);
-#endif
- } else {
- printf("port %d can't be used as host\n", index);
- disable_usb_clocks(index);
- return -EINVAL;
- }
-
- break;
- default:
- printf("Invalid Controller Index\n");
- }
-
- return 0;
-}
-
-int board_usb_cleanup(int index, enum usb_init_type init)
-{
-#ifdef CONFIG_USB_DWC3
- switch (index) {
- case 0:
- case 1:
- if (init == USB_INIT_DEVICE) {
- ti_usb_phy_uboot_exit(index);
- dwc3_uboot_exit(index);
- dwc3_omap_uboot_exit(index);
- }
- break;
- default:
- printf("Invalid Controller Index\n");
- }
-#endif
- disable_usb_clocks(index);
- return 0;
-}
-#endif /* defined(CONFIG_USB_DWC3) || defined(CONFIG_USB_XHCI_OMAP) */
-
#ifdef CONFIG_DRIVER_TI_CPSW
/* Delay value to add to calibrated value */
return 0;
}
+#if CONFIG_IS_ENABLED(DM_USB) && CONFIG_IS_ENABLED(OF_CONTROL)
+static int device_okay(const char *path)
+{
+ int node;
+
+ node = fdt_path_offset(gd->fdt_blob, path);
+ if (node < 0)
+ return 0;
+
+ return fdtdec_get_is_enabled(gd->fdt_blob, node);
+}
+#endif
+
int board_late_init(void)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
if (board_is_dra71x_evm())
palmas_i2c_write_u8(LP873X_I2C_SLAVE_ADDR, 0x9, 0x7);
#endif
+#if CONFIG_IS_ENABLED(DM_USB) && CONFIG_IS_ENABLED(OF_CONTROL)
+ if (device_okay("/ocp/omap_dwc3_1@48880000"))
+ enable_usb_clocks(0);
+ if (device_okay("/ocp/omap_dwc3_2@488c0000"))
+ enable_usb_clocks(1);
+#endif
return 0;
}
}
#endif
-#ifdef CONFIG_USB_DWC3
-static struct dwc3_device usb_otg_ss1 = {
- .maximum_speed = USB_SPEED_SUPER,
- .base = DRA7_USB_OTG_SS1_BASE,
- .tx_fifo_resize = false,
- .index = 0,
-};
-
-static struct dwc3_omap_device usb_otg_ss1_glue = {
- .base = (void *)DRA7_USB_OTG_SS1_GLUE_BASE,
- .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
- .index = 0,
-};
-
-static struct ti_usb_phy_device usb_phy1_device = {
- .pll_ctrl_base = (void *)DRA7_USB3_PHY1_PLL_CTRL,
- .usb2_phy_power = (void *)DRA7_USB2_PHY1_POWER,
- .usb3_phy_power = (void *)DRA7_USB3_PHY1_POWER,
- .index = 0,
-};
-
-static struct dwc3_device usb_otg_ss2 = {
- .maximum_speed = USB_SPEED_SUPER,
- .base = DRA7_USB_OTG_SS2_BASE,
- .tx_fifo_resize = false,
- .index = 1,
-};
-
-static struct dwc3_omap_device usb_otg_ss2_glue = {
- .base = (void *)DRA7_USB_OTG_SS2_GLUE_BASE,
- .utmi_mode = DWC3_OMAP_UTMI_MODE_SW,
- .index = 1,
-};
-
-static struct ti_usb_phy_device usb_phy2_device = {
- .usb2_phy_power = (void *)DRA7_USB2_PHY2_POWER,
- .index = 1,
-};
-
-int board_usb_init(int index, enum usb_init_type init)
-{
- enable_usb_clocks(index);
- switch (index) {
- case 0:
- if (init == USB_INIT_DEVICE) {
- usb_otg_ss1.dr_mode = USB_DR_MODE_PERIPHERAL;
- usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
- } else {
- usb_otg_ss1.dr_mode = USB_DR_MODE_HOST;
- usb_otg_ss1_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
- }
-
- ti_usb_phy_uboot_init(&usb_phy1_device);
- dwc3_omap_uboot_init(&usb_otg_ss1_glue);
- dwc3_uboot_init(&usb_otg_ss1);
- break;
- case 1:
- if (init == USB_INIT_DEVICE) {
- usb_otg_ss2.dr_mode = USB_DR_MODE_PERIPHERAL;
- usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_VBUS_VALID;
- } else {
- usb_otg_ss2.dr_mode = USB_DR_MODE_HOST;
- usb_otg_ss2_glue.vbus_id_status = OMAP_DWC3_ID_GROUND;
- }
-
- ti_usb_phy_uboot_init(&usb_phy2_device);
- dwc3_omap_uboot_init(&usb_otg_ss2_glue);
- dwc3_uboot_init(&usb_otg_ss2);
- break;
- default:
- printf("Invalid Controller Index\n");
- }
-
- return 0;
-}
-
-int board_usb_cleanup(int index, enum usb_init_type init)
-{
- switch (index) {
- case 0:
- case 1:
- ti_usb_phy_uboot_exit(index);
- dwc3_uboot_exit(index);
- dwc3_omap_uboot_exit(index);
- break;
- default:
- printf("Invalid Controller Index\n");
- }
- disable_usb_clocks(index);
- return 0;
-}
-
-int usb_gadget_handle_interrupts(int index)
-{
- u32 status;
-
- status = dwc3_omap_uboot_interrupt_status(index);
- if (status)
- dwc3_uboot_handle_interrupt(index);
-
- return 0;
-}
-#endif
-
#if defined(CONFIG_SPL_BUILD) && defined(CONFIG_SPL_OS_BOOT)
int spl_start_uboot(void)
{
return CMD_RET_FAILURE;
}
- ret = board_usb_init(controller_index, USB_INIT_DEVICE);
+ ret = usb_gadget_initialize(controller_index);
if (ret) {
pr_err("USB init failed: %d\n", ret);
return CMD_RET_FAILURE;
exit:
g_dnl_unregister();
g_dnl_clear_detach();
- board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+ usb_gadget_release(controller_index);
return ret;
#else
dev_index = simple_strtoul(devnum, NULL, 0);
rockusb_dev_init(devtype, dev_index);
- ret = board_usb_init(controller_index, USB_INIT_DEVICE);
+ ret = usb_gadget_initialize(controller_index);
if (ret) {
printf("USB init failed: %d\n", ret);
return CMD_RET_FAILURE;
exit:
g_dnl_unregister();
g_dnl_clear_detach();
- board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+ usb_gadget_release(controller_index);
return ret;
}
goto done;
int controller_index = simple_strtoul(usb_controller, NULL, 0);
- ret = board_usb_init(controller_index, USB_INIT_DEVICE);
+ ret = usb_gadget_initialize(controller_index);
if (ret) {
pr_err("USB init failed: %d\n", ret);
ret = CMD_RET_FAILURE;
exit:
g_dnl_unregister();
- board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+ usb_gadget_release(controller_index);
done:
dfu_free_entities();
char *usb_controller = argv[1];
int controller_index = simple_strtoul(usb_controller, NULL, 0);
- board_usb_init(controller_index, USB_INIT_DEVICE);
+ usb_gadget_initialize(controller_index);
g_dnl_clear_detach();
g_dnl_register("usb_dnl_sdp");
exit:
g_dnl_unregister();
- board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+ usb_gadget_release(controller_index);
return ret;
}
controller_index = (unsigned int)(simple_strtoul(
usb_controller, NULL, 0));
- if (board_usb_init(controller_index, USB_INIT_DEVICE)) {
+ if (usb_gadget_initialize(controller_index)) {
pr_err("Couldn't init USB controller.\n");
rc = CMD_RET_FAILURE;
goto cleanup_ums_init;
cleanup_register:
g_dnl_unregister();
cleanup_board:
- board_usb_cleanup(controller_index, USB_INIT_DEVICE);
+ usb_gadget_release(controller_index);
cleanup_ums_init:
ums_fini();
bool dfu_reset = false;
int ret, i = 0;
- ret = board_usb_init(usbctrl_index, USB_INIT_DEVICE);
+ ret = usb_gadget_initialize(usbctrl_index);
if (ret) {
- pr_err("board usb init failed\n");
+ pr_err("usb_gadget_initialize failed\n");
return CMD_RET_FAILURE;
}
g_dnl_clear_detach();
}
exit:
g_dnl_unregister();
- board_usb_cleanup(usbctrl_index, USB_INIT_DEVICE);
+ usb_gadget_release(usbctrl_index);
if (dfu_reset)
do_reset(NULL, 0, 0, NULL);
CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
CONFIG_DM_GPIO=y
CONFIG_DM_I2C=y
+CONFIG_MISC=y
CONFIG_DM_MMC=y
CONFIG_MMC_OMAP_HS=y
CONFIG_DM_SPI_FLASH=y
CONFIG_DM_ETH=y
CONFIG_DRIVER_TI_CPSW=y
CONFIG_MII=y
+CONFIG_PHY=y
+CONFIG_PIPE3_PHY=y
+CONFIG_OMAP_USB2_PHY=y
CONFIG_DM_PMIC=y
CONFIG_PMIC_PALMAS=y
CONFIG_DM_REGULATOR=y
CONFIG_DM_SPI=y
CONFIG_TI_QSPI=y
CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_SPL_DM_USB=y
+CONFIG_DM_USB_GADGET=y
+CONFIG_SPL_DM_USB_GADGET=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
CONFIG_USB_DWC3=y
CONFIG_USB_DWC3_GADGET=y
-CONFIG_USB_DWC3_OMAP=y
-CONFIG_USB_DWC3_PHY_OMAP=y
-CONFIG_OMAP_USB_PHY=y
+CONFIG_USB_DWC3_GENERIC=y
CONFIG_USB_STORAGE=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_MANUFACTURER="Texas Instruments"
CONFIG_FASTBOOT_CMD_OEM_FORMAT=y
CONFIG_DM_GPIO=y
CONFIG_DM_I2C=y
+CONFIG_MISC=y
CONFIG_DM_MMC=y
CONFIG_MMC_OMAP_HS=y
CONFIG_DM_SPI_FLASH=y
CONFIG_DM_ETH=y
CONFIG_DRIVER_TI_CPSW=y
CONFIG_MII=y
+CONFIG_PHY=y
+CONFIG_PIPE3_PHY=y
+CONFIG_OMAP_USB2_PHY=y
CONFIG_DM_PMIC=y
CONFIG_PMIC_PALMAS=y
CONFIG_DM_REGULATOR=y
CONFIG_DM_SPI=y
CONFIG_TI_QSPI=y
CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_SPL_DM_USB=y
+CONFIG_DM_USB_GADGET=y
+CONFIG_SPL_DM_USB_GADGET=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
CONFIG_USB_DWC3=y
CONFIG_USB_DWC3_GADGET=y
-CONFIG_USB_DWC3_OMAP=y
-CONFIG_USB_DWC3_PHY_OMAP=y
-CONFIG_OMAP_USB_PHY=y
+CONFIG_USB_DWC3_GENERIC=y
CONFIG_USB_STORAGE=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_MANUFACTURER="Texas Instruments"
CONFIG_DM_GPIO=y
CONFIG_PCF8575_GPIO=y
CONFIG_DM_I2C=y
+CONFIG_MISC=y
CONFIG_DM_MMC=y
CONFIG_MMC_IO_VOLTAGE=y
CONFIG_MMC_UHS_SUPPORT=y
CONFIG_MII=y
CONFIG_SPL_PHY=y
CONFIG_PIPE3_PHY=y
+CONFIG_OMAP_USB2_PHY=y
CONFIG_PMIC_PALMAS=y
CONFIG_PMIC_LP873X=y
CONFIG_DM_REGULATOR_FIXED=y
CONFIG_OMAP_TIMER=y
CONFIG_USB=y
CONFIG_DM_USB=y
+CONFIG_SPL_DM_USB=y
+CONFIG_DM_USB_GADGET=y
+CONFIG_SPL_DM_USB_GADGET=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
-CONFIG_USB_XHCI_DRA7XX_INDEX=1
CONFIG_USB_DWC3=y
CONFIG_USB_DWC3_GADGET=y
-CONFIG_USB_DWC3_OMAP=y
-CONFIG_USB_DWC3_PHY_OMAP=y
-CONFIG_OMAP_USB_PHY=y
+CONFIG_USB_DWC3_GENERIC=y
CONFIG_USB_STORAGE=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_MANUFACTURER="Texas Instruments"
CONFIG_DM_GPIO=y
CONFIG_PCF8575_GPIO=y
CONFIG_DM_I2C=y
+CONFIG_MISC=y
CONFIG_DM_MMC=y
CONFIG_MMC_IO_VOLTAGE=y
CONFIG_MMC_UHS_SUPPORT=y
CONFIG_MII=y
CONFIG_SPL_PHY=y
CONFIG_PIPE3_PHY=y
+CONFIG_OMAP_USB2_PHY=y
CONFIG_PMIC_PALMAS=y
CONFIG_PMIC_LP873X=y
CONFIG_DM_REGULATOR_FIXED=y
CONFIG_OMAP_TIMER=y
CONFIG_USB=y
CONFIG_DM_USB=y
+CONFIG_SPL_DM_USB=y
+CONFIG_DM_USB_GADGET=y
+CONFIG_SPL_DM_USB_GADGET=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
-CONFIG_USB_XHCI_DRA7XX_INDEX=1
CONFIG_USB_DWC3=y
CONFIG_USB_DWC3_GADGET=y
-CONFIG_USB_DWC3_OMAP=y
-CONFIG_USB_DWC3_PHY_OMAP=y
-CONFIG_OMAP_USB_PHY=y
+CONFIG_USB_DWC3_GENERIC=y
CONFIG_USB_STORAGE=y
CONFIG_USB_GADGET=y
CONFIG_USB_GADGET_MANUFACTURER="Texas Instruments"
CONFIG_DEBUG_UART_SHIFT=2
CONFIG_SYSRESET=y
CONFIG_USB=y
+CONFIG_USB_DWC3=y
CONFIG_USB_XHCI_HCD=y
CONFIG_USB_XHCI_DWC3=y
CONFIG_USB_EHCI_HCD=y
#endif
}
+struct regmap *syscon_regmap_lookup_by_phandle(struct udevice *dev,
+ const char *name)
+{
+ struct udevice *syscon;
+ struct regmap *r;
+ int err;
+
+ err = uclass_get_device_by_phandle(UCLASS_SYSCON, dev,
+ name, &syscon);
+ if (err) {
+ dev_dbg(dev, "unable to find syscon device\n");
+ return ERR_PTR(err);
+ }
+
+ r = syscon_get_regmap(syscon);
+ if (!r) {
+ dev_dbg(dev, "unable to find regmap\n");
+ return ERR_PTR(-ENODEV);
+ }
+
+ return r;
+}
+
int syscon_get_by_driver_data(ulong driver_data, struct udevice **devp)
{
struct udevice *dev;
This PHY is found on qualcomm dragonboard410c development board.
+config OMAP_USB2_PHY
+ bool "Support OMAP's USB2 PHY"
+ depends on PHY
+ depends on SYSCON
+ help
+ Support for the OMAP's USB2 PHY.
+
+ This PHY is found on OMAP devices supporting USB2.
+
endmenu
obj-$(CONFIG_PHY_STM32_USBPHYC) += phy-stm32-usbphyc.o
obj-$(CONFIG_MESON_GXL_USB_PHY) += meson-gxl-usb2.o meson-gxl-usb3.o
obj-$(CONFIG_MSM8916_USB_PHY) += msm8916-usbh-phy.o
+obj-$(CONFIG_OMAP_USB2_PHY) += omap-usb2-phy.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * OMAP USB2 PHY LAYER
+ *
+ * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com
+ * Written by Jean-Jacques Hiblot <jjhiblot@ti.com>
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <dm.h>
+#include <errno.h>
+#include <generic-phy.h>
+#include <regmap.h>
+#include <syscon.h>
+
+#define OMAP_USB2_CALIBRATE_FALSE_DISCONNECT BIT(0)
+
+#define OMAP_DEV_PHY_PD BIT(0)
+#define OMAP_USB2_PHY_PD BIT(28)
+
+#define USB2PHY_DISCON_BYP_LATCH BIT(31)
+#define USB2PHY_ANA_CONFIG1 (0x4c)
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct omap_usb2_phy {
+ struct regmap *pwr_regmap;
+ ulong flags;
+ void *phy_base;
+ u32 pwr_reg_offset;
+};
+
+struct usb_phy_data {
+ const char *label;
+ u8 flags;
+ u32 mask;
+ u32 power_on;
+ u32 power_off;
+};
+
+static const struct usb_phy_data omap5_usb2_data = {
+ .label = "omap5_usb2",
+ .flags = 0,
+ .mask = OMAP_DEV_PHY_PD,
+ .power_off = OMAP_DEV_PHY_PD,
+};
+
+static const struct usb_phy_data dra7x_usb2_data = {
+ .label = "dra7x_usb2",
+ .flags = OMAP_USB2_CALIBRATE_FALSE_DISCONNECT,
+ .mask = OMAP_DEV_PHY_PD,
+ .power_off = OMAP_DEV_PHY_PD,
+};
+
+static const struct usb_phy_data dra7x_usb2_phy2_data = {
+ .label = "dra7x_usb2_phy2",
+ .flags = OMAP_USB2_CALIBRATE_FALSE_DISCONNECT,
+ .mask = OMAP_USB2_PHY_PD,
+ .power_off = OMAP_USB2_PHY_PD,
+};
+
+static const struct udevice_id omap_usb2_id_table[] = {
+ {
+ .compatible = "ti,omap5-usb2",
+ .data = (ulong)&omap5_usb2_data,
+ },
+ {
+ .compatible = "ti,dra7x-usb2",
+ .data = (ulong)&dra7x_usb2_data,
+ },
+ {
+ .compatible = "ti,dra7x-usb2-phy2",
+ .data = (ulong)&dra7x_usb2_phy2_data,
+ },
+ {},
+};
+
+static int omap_usb_phy_power(struct phy *usb_phy, bool on)
+{
+ struct udevice *dev = usb_phy->dev;
+ const struct usb_phy_data *data;
+ const struct omap_usb2_phy *phy = dev_get_priv(dev);
+ u32 val;
+ int rc;
+
+ data = (const struct usb_phy_data *)dev_get_driver_data(dev);
+ if (!data)
+ return -EINVAL;
+
+ rc = regmap_read(phy->pwr_regmap, phy->pwr_reg_offset, &val);
+ if (rc)
+ return rc;
+ val &= ~data->mask;
+ if (on)
+ val |= data->power_on;
+ else
+ val |= data->power_off;
+ rc = regmap_write(phy->pwr_regmap, phy->pwr_reg_offset, val);
+ if (rc)
+ return rc;
+
+ return 0;
+}
+
+static int omap_usb2_phy_init(struct phy *usb_phy)
+{
+ struct udevice *dev = usb_phy->dev;
+ struct omap_usb2_phy *priv = dev_get_priv(dev);
+ u32 val;
+
+ if (priv->flags & OMAP_USB2_CALIBRATE_FALSE_DISCONNECT) {
+ /*
+ *
+ * Reduce the sensitivity of internal PHY by enabling the
+ * DISCON_BYP_LATCH of the USB2PHY_ANA_CONFIG1 register. This
+ * resolves issues with certain devices which can otherwise
+ * be prone to false disconnects.
+ *
+ */
+ val = readl(priv->phy_base + USB2PHY_ANA_CONFIG1);
+ val |= USB2PHY_DISCON_BYP_LATCH;
+ writel(val, priv->phy_base + USB2PHY_ANA_CONFIG1);
+ }
+
+ return 0;
+}
+
+static int omap_usb2_phy_power_on(struct phy *usb_phy)
+{
+ return omap_usb_phy_power(usb_phy, true);
+}
+
+static int omap_usb2_phy_power_off(struct phy *usb_phy)
+{
+ return omap_usb_phy_power(usb_phy, false);
+}
+
+static int omap_usb2_phy_exit(struct phy *usb_phy)
+{
+ return omap_usb_phy_power(usb_phy, false);
+}
+
+struct phy_ops omap_usb2_phy_ops = {
+ .init = omap_usb2_phy_init,
+ .power_on = omap_usb2_phy_power_on,
+ .power_off = omap_usb2_phy_power_off,
+ .exit = omap_usb2_phy_exit,
+};
+
+int omap_usb2_phy_probe(struct udevice *dev)
+{
+ int rc;
+ struct regmap *regmap;
+ struct omap_usb2_phy *priv = dev_get_priv(dev);
+ const struct usb_phy_data *data;
+ u32 tmp[2];
+
+ data = (const struct usb_phy_data *)dev_get_driver_data(dev);
+ if (!data)
+ return -EINVAL;
+
+ if (data->flags & OMAP_USB2_CALIBRATE_FALSE_DISCONNECT) {
+ u32 base = dev_read_addr(dev);
+
+ if (base == FDT_ADDR_T_NONE)
+ return -EINVAL;
+ priv->phy_base = (void *)base;
+ priv->flags |= OMAP_USB2_CALIBRATE_FALSE_DISCONNECT;
+ }
+
+ regmap = syscon_regmap_lookup_by_phandle(dev, "syscon-phy-power");
+ if (IS_ERR(regmap)) {
+ printf("can't get regmap (err %ld)\n", PTR_ERR(regmap));
+ return PTR_ERR(regmap);
+ }
+ priv->pwr_regmap = regmap;
+
+ rc = dev_read_u32_array(dev, "syscon-phy-power", tmp, 2);
+ if (rc) {
+ printf("couldn't get power reg. offset (err %d)\n", rc);
+ return rc;
+ }
+ priv->pwr_reg_offset = tmp[1];
+
+ return 0;
+}
+
+U_BOOT_DRIVER(omap_usb2_phy) = {
+ .name = "omap_usb2_phy",
+ .id = UCLASS_PHY,
+ .of_match = omap_usb2_id_table,
+ .probe = omap_usb2_phy_probe,
+ .ops = &omap_usb2_phy_ops,
+ .priv_auto_alloc_size = sizeof(struct omap_usb2_phy),
+};
omap_pipe3_writel(pipe3->pll_ctrl_base, PLL_CONFIGURATION1, val);
val = omap_pipe3_readl(pipe3->pll_ctrl_base, PLL_CONFIGURATION2);
- val &= ~PLL_SELFREQDCO_MASK;
+ val &= ~(PLL_SELFREQDCO_MASK | PLL_IDLE);
val |= dpll_params->freq << PLL_SELFREQDCO_SHIFT;
omap_pipe3_writel(pipe3->pll_ctrl_base, PLL_CONFIGURATION2, val);
return -EBUSY;
}
- val = readl(pipe3->pll_reset_reg);
- writel(val | SATA_PLL_SOFT_RESET, pipe3->pll_reset_reg);
- mdelay(1);
- writel(val & ~SATA_PLL_SOFT_RESET, pipe3->pll_reset_reg);
+ if (pipe3->pll_reset_reg) {
+ val = readl(pipe3->pll_reset_reg);
+ writel(val | SATA_PLL_SOFT_RESET, pipe3->pll_reset_reg);
+ mdelay(1);
+ writel(val & ~SATA_PLL_SOFT_RESET, pipe3->pll_reset_reg);
+ }
+
return 0;
}
if (!pipe3->power_reg)
return -EINVAL;
- pipe3->pll_reset_reg = get_reg(dev, "syscon-pllreset");
- if (!pipe3->pll_reset_reg)
- return -EINVAL;
+ if (device_is_compatible(dev, "ti,phy-pipe3-sata")) {
+ pipe3->pll_reset_reg = get_reg(dev, "syscon-pllreset");
+ if (!pipe3->pll_reset_reg)
+ return -EINVAL;
+ }
pipe3->dpll_map = (struct pipe3_dpll_map *)dev_get_driver_data(dev);
{ }, /* Terminator */
};
+static struct pipe3_dpll_map dpll_map_usb[] = {
+ {12000000, {1250, 5, 4, 20, 0} }, /* 12 MHz */
+ {16800000, {3125, 20, 4, 20, 0} }, /* 16.8 MHz */
+ {19200000, {1172, 8, 4, 20, 65537} }, /* 19.2 MHz */
+ {20000000, {1000, 7, 4, 10, 0} }, /* 20 MHz */
+ {26000000, {1250, 12, 4, 20, 0} }, /* 26 MHz */
+ {38400000, {3125, 47, 4, 20, 92843} }, /* 38.4 MHz */
+ { }, /* Terminator */
+};
+
static const struct udevice_id pipe3_phy_ids[] = {
{ .compatible = "ti,phy-pipe3-sata", .data = (ulong)&dpll_map_sata },
+ { .compatible = "ti,omap-usb3", .data = (ulong)&dpll_map_usb},
{ }
};
depends on DM_USB
default y
+config DM_USB_GADGET
+ bool "Enable driver model for USB Gadget"
+ depends on DM_USB
+ help
+ Enable driver model for USB Gadget (Peripheral
+ mode)
+
+config SPL_DM_USB_GADGET
+ bool "Enable driver model for USB Gadget in sPL"
+ depends on SPL_DM_USB
+ help
+ Enable driver model for USB Gadget in SPL
+ (Peripheral mode)
+
source "drivers/usb/host/Kconfig"
source "drivers/usb/dwc3/Kconfig"
Say 'Y' here if you have one such device
config USB_DWC3_GENERIC
- bool "Xilinx ZynqMP and similar Platforms"
- depends on DM_USB && USB_DWC3
+ bool "Generic implementation of a DWC3 wrapper (aka dwc3 glue)"
+ depends on DM_USB && USB_DWC3 && MISC
help
- Some platforms can reuse this DWC3 generic implementation.
+ Select this for Xilinx ZynqMP and similar Platforms.
+ This wrapper supports Host and Peripheral operation modes.
config USB_DWC3_UNIPHIER
bool "DesignWare USB3 Host Support on UniPhier Platforms"
#include <asm/dma-mapping.h>
#include <linux/ioport.h>
#include <dm.h>
-
+#include <generic-phy.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("DesignWare USB3 DRD Controller Driver");
-#if CONFIG_IS_ENABLED(DM_USB)
+#if CONFIG_IS_ENABLED(PHY) && CONFIG_IS_ENABLED(DM_USB)
+int dwc3_setup_phy(struct udevice *dev, struct phy **array, int *num_phys)
+{
+ int i, ret, count;
+ struct phy *usb_phys;
+
+ /* Return if no phy declared */
+ if (!dev_read_prop(dev, "phys", NULL))
+ return 0;
+ count = dev_count_phandle_with_args(dev, "phys", "#phy-cells");
+ if (count <= 0)
+ return count;
+
+ usb_phys = devm_kcalloc(dev, count, sizeof(struct phy),
+ GFP_KERNEL);
+ if (!usb_phys)
+ return -ENOMEM;
+
+ for (i = 0; i < count; i++) {
+ ret = generic_phy_get_by_index(dev, i, &usb_phys[i]);
+ if (ret && ret != -ENOENT) {
+ pr_err("Failed to get USB PHY%d for %s\n",
+ i, dev->name);
+ return ret;
+ }
+ }
+
+ for (i = 0; i < count; i++) {
+ ret = generic_phy_init(&usb_phys[i]);
+ if (ret) {
+ pr_err("Can't init USB PHY%d for %s\n",
+ i, dev->name);
+ goto phys_init_err;
+ }
+ }
+
+ for (i = 0; i < count; i++) {
+ ret = generic_phy_power_on(&usb_phys[i]);
+ if (ret) {
+ pr_err("Can't power USB PHY%d for %s\n",
+ i, dev->name);
+ goto phys_poweron_err;
+ }
+ }
+
+ *array = usb_phys;
+ *num_phys = count;
+ return 0;
+
+phys_poweron_err:
+ for (i = count - 1; i >= 0; i--)
+ generic_phy_power_off(&usb_phys[i]);
+ for (i = 0; i < count; i++)
+ generic_phy_exit(&usb_phys[i]);
+
+ return ret;
+
+phys_init_err:
+ for (; i >= 0; i--)
+ generic_phy_exit(&usb_phys[i]);
+
+ return ret;
+}
+
+int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys, int num_phys)
+{
+ int i, ret;
+
+ for (i = 0; i < num_phys; i++) {
+ if (!generic_phy_valid(&usb_phys[i]))
+ continue;
+
+ ret = generic_phy_power_off(&usb_phys[i]);
+ ret |= generic_phy_exit(&usb_phys[i]);
+ if (ret) {
+ pr_err("Can't shutdown USB PHY%d for %s\n",
+ i, dev->name);
+ }
+ }
+
+ return 0;
+}
+#endif
+
+#if CONFIG_IS_ENABLED(DM_USB_GADGET)
int dwc3_init(struct dwc3 *dwc)
{
int ret;
dwc3_core_exit(dwc);
kfree(dwc->mem);
}
-
#endif
*/
#include <common.h>
+#include <asm-generic/io.h>
#include <dm.h>
#include <dm/device-internal.h>
#include <dm/lists.h>
-#include <linux/usb/otg.h>
-#include <linux/compat.h>
+#include <dwc3-uboot.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <malloc.h>
#include <usb.h>
#include "core.h"
#include "gadget.h"
-#include "linux-compat.h"
+#include <reset.h>
+#include <clk.h>
-DECLARE_GLOBAL_DATA_PTR;
+#if CONFIG_IS_ENABLED(DM_USB_GADGET)
+struct dwc3_generic_peripheral {
+ struct dwc3 dwc3;
+ struct phy *phys;
+ int num_phys;
+ fdt_addr_t base;
+};
-int usb_gadget_handle_interrupts(int index)
+int dm_usb_gadget_handle_interrupts(struct udevice *dev)
{
- struct dwc3 *priv;
- struct udevice *dev;
- int ret;
-
- ret = uclass_first_device(UCLASS_USB_DEV_GENERIC, &dev);
- if (!dev || ret) {
- pr_err("No USB device found\n");
- return -ENODEV;
- }
-
- priv = dev_get_priv(dev);
+ struct dwc3_generic_peripheral *priv = dev_get_priv(dev);
+ struct dwc3 *dwc3 = &priv->dwc3;
- dwc3_gadget_uboot_handle_interrupt(priv);
+ dwc3_gadget_uboot_handle_interrupt(dwc3);
return 0;
}
static int dwc3_generic_peripheral_probe(struct udevice *dev)
{
- struct dwc3 *priv = dev_get_priv(dev);
+ int rc;
+ struct dwc3_generic_peripheral *priv = dev_get_priv(dev);
+ struct dwc3 *dwc3 = &priv->dwc3;
- return dwc3_init(priv);
+ rc = dwc3_setup_phy(dev, &priv->phys, &priv->num_phys);
+ if (rc)
+ return rc;
+
+ dwc3->regs = map_physmem(priv->base, DWC3_OTG_REGS_END, MAP_NOCACHE);
+ dwc3->regs += DWC3_GLOBALS_REGS_START;
+ dwc3->dev = dev;
+
+ rc = dwc3_init(dwc3);
+ if (rc) {
+ unmap_physmem(dwc3->regs, MAP_NOCACHE);
+ return rc;
+ }
+
+ return 0;
}
static int dwc3_generic_peripheral_remove(struct udevice *dev)
{
- struct dwc3 *priv = dev_get_priv(dev);
+ struct dwc3_generic_peripheral *priv = dev_get_priv(dev);
+ struct dwc3 *dwc3 = &priv->dwc3;
- dwc3_remove(priv);
+ dwc3_remove(dwc3);
+ dwc3_shutdown_phy(dev, priv->phys, priv->num_phys);
+ unmap_physmem(dwc3->regs, MAP_NOCACHE);
return 0;
}
static int dwc3_generic_peripheral_ofdata_to_platdata(struct udevice *dev)
{
- struct dwc3 *priv = dev_get_priv(dev);
+ struct dwc3_generic_peripheral *priv = dev_get_priv(dev);
+ struct dwc3 *dwc3 = &priv->dwc3;
int node = dev_of_offset(dev);
- priv->regs = (void *)devfdt_get_addr(dev);
- priv->regs += DWC3_GLOBALS_REGS_START;
+ priv->base = devfdt_get_addr(dev);
- priv->maximum_speed = usb_get_maximum_speed(node);
- if (priv->maximum_speed == USB_SPEED_UNKNOWN) {
+ dwc3->maximum_speed = usb_get_maximum_speed(node);
+ if (dwc3->maximum_speed == USB_SPEED_UNKNOWN) {
pr_err("Invalid usb maximum speed\n");
return -ENODEV;
}
- priv->dr_mode = usb_get_dr_mode(node);
- if (priv->dr_mode == USB_DR_MODE_UNKNOWN) {
+ dwc3->dr_mode = usb_get_dr_mode(node);
+ if (dwc3->dr_mode == USB_DR_MODE_UNKNOWN) {
pr_err("Invalid usb mode setup\n");
return -ENODEV;
}
return 0;
}
-static int dwc3_generic_peripheral_bind(struct udevice *dev)
-{
- return device_probe(dev);
-}
-
U_BOOT_DRIVER(dwc3_generic_peripheral) = {
.name = "dwc3-generic-peripheral",
- .id = UCLASS_USB_DEV_GENERIC,
+ .id = UCLASS_USB_GADGET_GENERIC,
.ofdata_to_platdata = dwc3_generic_peripheral_ofdata_to_platdata,
.probe = dwc3_generic_peripheral_probe,
.remove = dwc3_generic_peripheral_remove,
- .bind = dwc3_generic_peripheral_bind,
- .platdata_auto_alloc_size = sizeof(struct usb_platdata),
- .priv_auto_alloc_size = sizeof(struct dwc3),
- .flags = DM_FLAG_ALLOC_PRIV_DMA,
+ .priv_auto_alloc_size = sizeof(struct dwc3_generic_peripheral),
+};
+#endif
+
+struct dwc3_glue_data {
+ struct clk_bulk clks;
+ struct reset_ctl_bulk resets;
+ fdt_addr_t regs;
};
-static int dwc3_generic_bind(struct udevice *parent)
+struct dwc3_glue_ops {
+ void (*select_dr_mode)(struct udevice *dev, int index,
+ enum usb_dr_mode mode);
+};
+
+void dwc3_ti_select_dr_mode(struct udevice *dev, int index,
+ enum usb_dr_mode mode)
+{
+#define USBOTGSS_UTMI_OTG_STATUS 0x0084
+#define USBOTGSS_UTMI_OTG_OFFSET 0x0480
+
+/* UTMI_OTG_STATUS REGISTER */
+#define USBOTGSS_UTMI_OTG_STATUS_SW_MODE BIT(31)
+#define USBOTGSS_UTMI_OTG_STATUS_POWERPRESENT BIT(9)
+#define USBOTGSS_UTMI_OTG_STATUS_TXBITSTUFFENABLE BIT(8)
+#define USBOTGSS_UTMI_OTG_STATUS_IDDIG BIT(4)
+#define USBOTGSS_UTMI_OTG_STATUS_SESSEND BIT(3)
+#define USBOTGSS_UTMI_OTG_STATUS_SESSVALID BIT(2)
+#define USBOTGSS_UTMI_OTG_STATUS_VBUSVALID BIT(1)
+enum dwc3_omap_utmi_mode {
+ DWC3_OMAP_UTMI_MODE_UNKNOWN = 0,
+ DWC3_OMAP_UTMI_MODE_HW,
+ DWC3_OMAP_UTMI_MODE_SW,
+};
+
+ u32 use_id_pin;
+ u32 host_mode;
+ u32 reg;
+ u32 utmi_mode;
+ u32 utmi_status_offset = USBOTGSS_UTMI_OTG_STATUS;
+
+ struct dwc3_glue_data *glue = dev_get_platdata(dev);
+ void *base = map_physmem(glue->regs, 0x10000, MAP_NOCACHE);
+
+ if (device_is_compatible(dev, "ti,am437x-dwc3"))
+ utmi_status_offset += USBOTGSS_UTMI_OTG_OFFSET;
+
+ utmi_mode = dev_read_u32_default(dev, "utmi-mode",
+ DWC3_OMAP_UTMI_MODE_UNKNOWN);
+ if (utmi_mode != DWC3_OMAP_UTMI_MODE_HW) {
+ debug("%s: OTG is not supported. defaulting to PERIPHERAL\n",
+ dev->name);
+ mode = USB_DR_MODE_PERIPHERAL;
+ }
+
+ switch (mode) {
+ case USB_DR_MODE_PERIPHERAL:
+ use_id_pin = 0;
+ host_mode = 0;
+ break;
+ case USB_DR_MODE_HOST:
+ use_id_pin = 0;
+ host_mode = 1;
+ break;
+ case USB_DR_MODE_OTG:
+ default:
+ use_id_pin = 1;
+ host_mode = 0;
+ break;
+ }
+
+ reg = readl(base + utmi_status_offset);
+
+ reg &= ~(USBOTGSS_UTMI_OTG_STATUS_SW_MODE);
+ if (!use_id_pin)
+ reg |= USBOTGSS_UTMI_OTG_STATUS_SW_MODE;
+
+ writel(reg, base + utmi_status_offset);
+
+ reg &= ~(USBOTGSS_UTMI_OTG_STATUS_SESSEND |
+ USBOTGSS_UTMI_OTG_STATUS_VBUSVALID |
+ USBOTGSS_UTMI_OTG_STATUS_IDDIG);
+
+ reg |= USBOTGSS_UTMI_OTG_STATUS_SESSVALID |
+ USBOTGSS_UTMI_OTG_STATUS_POWERPRESENT;
+
+ if (!host_mode)
+ reg |= USBOTGSS_UTMI_OTG_STATUS_IDDIG |
+ USBOTGSS_UTMI_OTG_STATUS_VBUSVALID;
+
+ writel(reg, base + utmi_status_offset);
+
+ unmap_physmem(base, MAP_NOCACHE);
+}
+
+struct dwc3_glue_ops ti_ops = {
+ .select_dr_mode = dwc3_ti_select_dr_mode,
+};
+
+static int dwc3_glue_bind(struct udevice *parent)
{
const void *fdt = gd->fdt_blob;
int node;
const char *name = fdt_get_name(fdt, node, NULL);
enum usb_dr_mode dr_mode;
struct udevice *dev;
- const char *driver;
+ const char *driver = NULL;
debug("%s: subnode name: %s\n", __func__, name);
- if (strncmp(name, "dwc3@", 4))
- continue;
dr_mode = usb_get_dr_mode(node);
switch (dr_mode) {
case USB_DR_MODE_PERIPHERAL:
case USB_DR_MODE_OTG:
+#if CONFIG_IS_ENABLED(DM_USB_GADGET)
debug("%s: dr_mode: OTG or Peripheral\n", __func__);
driver = "dwc3-generic-peripheral";
+#endif
break;
case USB_DR_MODE_HOST:
debug("%s: dr_mode: HOST\n", __func__);
- driver = "dwc3-generic-host";
+ driver = "xhci-dwc3";
break;
default:
debug("%s: unsupported dr_mode\n", __func__);
return -ENODEV;
};
+ if (!driver)
+ continue;
+
ret = device_bind_driver_to_node(parent, driver, name,
offset_to_ofnode(node), &dev);
if (ret) {
return 0;
}
-static const struct udevice_id dwc3_generic_ids[] = {
+static int dwc3_glue_reset_init(struct udevice *dev,
+ struct dwc3_glue_data *glue)
+{
+ int ret;
+
+ ret = reset_get_bulk(dev, &glue->resets);
+ if (ret == -ENOTSUPP)
+ return 0;
+ else if (ret)
+ return ret;
+
+ ret = reset_deassert_bulk(&glue->resets);
+ if (ret) {
+ reset_release_bulk(&glue->resets);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int dwc3_glue_clk_init(struct udevice *dev,
+ struct dwc3_glue_data *glue)
+{
+ int ret;
+
+ ret = clk_get_bulk(dev, &glue->clks);
+ if (ret == -ENOSYS)
+ return 0;
+ if (ret)
+ return ret;
+
+#if CONFIG_IS_ENABLED(CLK)
+ ret = clk_enable_bulk(&glue->clks);
+ if (ret) {
+ clk_release_bulk(&glue->clks);
+ return ret;
+ }
+#endif
+
+ return 0;
+}
+
+static int dwc3_glue_probe(struct udevice *dev)
+{
+ struct dwc3_glue_ops *ops = (struct dwc3_glue_ops *)dev_get_driver_data(dev);
+ struct dwc3_glue_data *glue = dev_get_platdata(dev);
+ struct udevice *child = NULL;
+ int index = 0;
+ int ret;
+
+ glue->regs = dev_read_addr(dev);
+
+ ret = dwc3_glue_clk_init(dev, glue);
+ if (ret)
+ return ret;
+
+ ret = dwc3_glue_reset_init(dev, glue);
+ if (ret)
+ return ret;
+
+ ret = device_find_first_child(dev, &child);
+ if (ret)
+ return ret;
+
+ while (child) {
+ enum usb_dr_mode dr_mode;
+
+ dr_mode = usb_get_dr_mode(dev_of_offset(child));
+ device_find_next_child(&child);
+ if (ops && ops->select_dr_mode)
+ ops->select_dr_mode(dev, index, dr_mode);
+ index++;
+ }
+
+ return 0;
+}
+
+static int dwc3_glue_remove(struct udevice *dev)
+{
+ struct dwc3_glue_data *glue = dev_get_platdata(dev);
+
+ reset_release_bulk(&glue->resets);
+
+ clk_release_bulk(&glue->clks);
+
+ return dm_scan_fdt_dev(dev);
+}
+
+static const struct udevice_id dwc3_glue_ids[] = {
{ .compatible = "xlnx,zynqmp-dwc3" },
+ { .compatible = "ti,dwc3", .data = (ulong)&ti_ops },
{ }
};
U_BOOT_DRIVER(dwc3_generic_wrapper) = {
.name = "dwc3-generic-wrapper",
.id = UCLASS_MISC,
- .of_match = dwc3_generic_ids,
- .bind = dwc3_generic_bind,
+ .of_match = dwc3_glue_ids,
+ .bind = dwc3_glue_bind,
+ .probe = dwc3_glue_probe,
+ .remove = dwc3_glue_remove,
+ .platdata_auto_alloc_size = sizeof(struct dwc3_glue_data),
+
};
*
* commit c00552ebaf : Merge 3.18-rc7 into usb-next
*/
-
+#include <common.h>
#include <linux/kernel.h>
#include <linux/list.h>
struct usb_gadget *gadget;
struct usb_request *req; /* for control responses */
struct usb_request *stat_req; /* for cdc & rndis status */
-#if CONFIG_IS_ENABLED(DM_USB)
- struct udevice *usb_udev;
-#endif
u8 config;
struct usb_ep *in_ep, *out_ep, *status_ep;
}
/*-------------------------------------------------------------------------*/
-
-#if CONFIG_IS_ENABLED(DM_USB)
-int dm_usb_init(struct eth_dev *e_dev)
-{
- struct udevice *dev = NULL;
- int ret;
-
- ret = uclass_first_device(UCLASS_USB_DEV_GENERIC, &dev);
- if (!dev || ret) {
- pr_err("No USB device found\n");
- return -ENODEV;
- }
-
- e_dev->usb_udev = dev;
-
- return ret;
-}
-#endif
-
static int _usb_eth_init(struct ether_priv *priv)
{
struct eth_dev *dev = &priv->ethdev;
struct usb_gadget *gadget;
unsigned long ts;
+ int ret;
unsigned long timeout = USB_CONNECT_TIMEOUT;
-#if CONFIG_IS_ENABLED(DM_USB)
- if (dm_usb_init(dev)) {
- pr_err("USB ether not found\n");
- return -ENODEV;
- }
-#else
- board_usb_init(0, USB_INIT_DEVICE);
-#endif
+ ret = usb_gadget_initialize(0);
+ if (ret)
+ return ret;
/* Configure default mac-addresses for the USB ethernet device */
#ifdef CONFIG_USBNET_DEV_ADDR
}
usb_gadget_unregister_driver(&priv->eth_driver);
-#if !CONFIG_IS_ENABLED(DM_USB)
- board_usb_cleanup(0, USB_INIT_DEVICE);
-#endif
+ usb_gadget_release(0);
}
#ifndef CONFIG_DM_ETH
struct udevice *usb_dev;
int ret;
- ret = uclass_first_device(UCLASS_USB_DEV_GENERIC, &usb_dev);
+ ret = uclass_first_device(UCLASS_USB_GADGET_GENERIC, &usb_dev);
if (!usb_dev || ret) {
pr_err("No USB device found\n");
return ret;
#
# USB peripheral controller drivers
+ifndef CONFIG_$(SPL_)DM_USB_GADGET
obj-$(CONFIG_USB_DWC3_GADGET) += udc-core.o
+endif
+
+obj-$(CONFIG_$(SPL_)DM_USB_GADGET) += udc-uclass.o udc-core.o
#include <asm/cache.h>
#include <asm/dma-mapping.h>
#include <common.h>
-
+#include <dm.h>
+#include <dm/device-internal.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com
+ * Written by Jean-Jacques Hiblot <jjhiblot@ti.com>
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <dm/device-internal.h>
+#include <linux/usb/gadget.h>
+
+#define MAX_UDC_DEVICES 4
+static struct udevice *dev_array[MAX_UDC_DEVICES];
+int usb_gadget_initialize(int index)
+{
+ int ret;
+ struct udevice *dev = NULL;
+
+ if (index < 0 || index >= ARRAY_SIZE(dev_array))
+ return -EINVAL;
+ if (dev_array[index])
+ return 0;
+ ret = uclass_get_device(UCLASS_USB_GADGET_GENERIC, index, &dev);
+ if (!dev || ret) {
+ pr_err("No USB device found\n");
+ return -ENODEV;
+ }
+ dev_array[index] = dev;
+ return 0;
+}
+
+int usb_gadget_release(int index)
+{
+#if CONFIG_IS_ENABLED(DM_DEVICE_REMOVE)
+ int ret;
+ if (index < 0 || index >= ARRAY_SIZE(dev_array))
+ return -EINVAL;
+
+ ret = device_remove(dev_array[index], DM_REMOVE_NORMAL);
+ if (!ret)
+ dev_array[index] = NULL;
+ return ret;
+#else
+ return -ENOTSUPP;
+#endif
+}
+
+int usb_gadget_handle_interrupts(int index)
+{
+ if (index < 0 || index >= ARRAY_SIZE(dev_array))
+ return -EINVAL;
+ return dm_usb_gadget_handle_interrupts(dev_array[index]);
+}
+
+UCLASS_DRIVER(usb_gadget_generic) = {
+ .id = UCLASS_USB_GADGET_GENERIC,
+ .name = "usb_gadget_generic",
+};
#include <fdtdec.h>
#include <generic-phy.h>
#include <usb.h>
+#include <dwc3-uboot.h>
#include "xhci.h"
#include <asm/io.h>
}
#if CONFIG_IS_ENABLED(DM_USB)
-static int xhci_dwc3_setup_phy(struct udevice *dev)
-{
- struct xhci_dwc3_platdata *plat = dev_get_platdata(dev);
- int i, ret, count;
-
- /* Return if no phy declared */
- if (!dev_read_prop(dev, "phys", NULL))
- return 0;
-
- count = dev_count_phandle_with_args(dev, "phys", "#phy-cells");
- if (count <= 0)
- return count;
-
- plat->usb_phys = devm_kcalloc(dev, count, sizeof(struct phy),
- GFP_KERNEL);
- if (!plat->usb_phys)
- return -ENOMEM;
-
- for (i = 0; i < count; i++) {
- ret = generic_phy_get_by_index(dev, i, &plat->usb_phys[i]);
- if (ret && ret != -ENOENT) {
- pr_err("Failed to get USB PHY%d for %s\n",
- i, dev->name);
- return ret;
- }
-
- ++plat->num_phys;
- }
-
- for (i = 0; i < plat->num_phys; i++) {
- ret = generic_phy_init(&plat->usb_phys[i]);
- if (ret) {
- pr_err("Can't init USB PHY%d for %s\n",
- i, dev->name);
- goto phys_init_err;
- }
- }
-
- for (i = 0; i < plat->num_phys; i++) {
- ret = generic_phy_power_on(&plat->usb_phys[i]);
- if (ret) {
- pr_err("Can't power USB PHY%d for %s\n",
- i, dev->name);
- goto phys_poweron_err;
- }
- }
-
- return 0;
-
-phys_poweron_err:
- for (; i >= 0; i--)
- generic_phy_power_off(&plat->usb_phys[i]);
-
- for (i = 0; i < plat->num_phys; i++)
- generic_phy_exit(&plat->usb_phys[i]);
-
- return ret;
-
-phys_init_err:
- for (; i >= 0; i--)
- generic_phy_exit(&plat->usb_phys[i]);
-
- return ret;
-}
-
-static int xhci_dwc3_shutdown_phy(struct udevice *dev)
-{
- struct xhci_dwc3_platdata *plat = dev_get_platdata(dev);
- int i, ret;
-
- for (i = 0; i < plat->num_phys; i++) {
- if (!generic_phy_valid(&plat->usb_phys[i]))
- continue;
-
- ret = generic_phy_power_off(&plat->usb_phys[i]);
- ret |= generic_phy_exit(&plat->usb_phys[i]);
- if (ret) {
- pr_err("Can't shutdown USB PHY%d for %s\n",
- i, dev->name);
- }
- }
-
- return 0;
-}
-
static int xhci_dwc3_probe(struct udevice *dev)
{
struct xhci_hcor *hcor;
struct xhci_hccr *hccr;
struct dwc3 *dwc3_reg;
enum usb_dr_mode dr_mode;
+ struct xhci_dwc3_platdata *plat = dev_get_platdata(dev);
int ret;
hccr = (struct xhci_hccr *)((uintptr_t)dev_read_addr(dev));
hcor = (struct xhci_hcor *)((uintptr_t)hccr +
HC_LENGTH(xhci_readl(&(hccr)->cr_capbase)));
- ret = xhci_dwc3_setup_phy(dev);
- if (ret)
+ ret = dwc3_setup_phy(dev, &plat->usb_phys, &plat->num_phys);
+ if (ret && (ret != -ENOTSUPP))
return ret;
dwc3_reg = (struct dwc3 *)((char *)(hccr) + DWC3_REG_OFFSET);
static int xhci_dwc3_remove(struct udevice *dev)
{
- xhci_dwc3_shutdown_phy(dev);
+ struct xhci_dwc3_platdata *plat = dev_get_platdata(dev);
+
+ dwc3_shutdown_phy(dev, plat->usb_phys, plat->num_phys);
return xhci_deregister(dev);
}
#ifdef CONFIG_USB_MUSB_HOST
.id = UCLASS_USB,
#else
- .id = UCLASS_USB_DEV_GENERIC,
+ .id = UCLASS_USB_GADGET_GENERIC,
#endif
.of_match = omap2430_musb_ids,
.ofdata_to_platdata = omap2430_musb_ofdata_to_platdata,
#ifdef CONFIG_USB_MUSB_HOST
.id = UCLASS_USB,
#else
- .id = UCLASS_USB_DEV_GENERIC,
+ .id = UCLASS_USB_GADGET_GENERIC,
#endif
.of_match = sunxi_musb_ids,
.probe = musb_usb_probe,
UCLASS_USB, /* USB bus */
UCLASS_USB_DEV_GENERIC, /* USB generic device */
UCLASS_USB_HUB, /* USB hub */
+ UCLASS_USB_GADGET_GENERIC, /* USB generic device */
UCLASS_VIDEO, /* Video or LCD device */
UCLASS_VIDEO_BRIDGE, /* Video bridge, e.g. DisplayPort to LVDS */
UCLASS_VIDEO_CONSOLE, /* Text console driver for video device */
int dwc3_uboot_init(struct dwc3_device *dev);
void dwc3_uboot_exit(int index);
void dwc3_uboot_handle_interrupt(int index);
+
+struct phy;
+#if CONFIG_IS_ENABLED(PHY) && CONFIG_IS_ENABLED(DM_USB)
+int dwc3_setup_phy(struct udevice *dev, struct phy **array, int *num_phys);
+int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys, int num_phys);
+#else
+static inline int dwc3_setup_phy(struct udevice *dev, struct phy **array,
+ int *num_phys)
+{
+ return -ENOTSUPP;
+}
+
+static inline int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys,
+ int num_phys)
+{
+ return -ENOTSUPP;
+}
+#endif
+
#endif /* __DWC3_UBOOT_H_ */
#define __LINUX_USB_GADGET_H
#include <errno.h>
+#include <usb.h>
#include <linux/compat.h>
#include <linux/list.h>
extern int usb_gadget_handle_interrupts(int index);
+#if CONFIG_IS_ENABLED(DM_USB_GADGET)
+int usb_gadget_initialize(int index);
+int usb_gadget_release(int index);
+int dm_usb_gadget_handle_interrupts(struct udevice *dev);
+#else
+#include <usb.h>
+static inline int usb_gadget_initialize(int index)
+{
+ return board_usb_init(index, USB_INIT_DEVICE);
+}
+
+static inline int usb_gadget_release(int index)
+{
+ return board_usb_cleanup(index, USB_INIT_DEVICE);
+}
+#endif
+
#endif /* __LINUX_USB_GADGET_H */
struct regmap *syscon_get_regmap_by_driver_data(ulong driver_data);
/**
+ * syscon_regmap_lookup_by_phandle() - Look up a controller by a phandle
+ *
+ * This operates by looking up the given name in the device (device
+ * tree property) of the device using the system controller.
+ *
+ * @dev: Device using the system controller
+ * @name: Name of property referring to the system controller
+ * @return A pointer to the regmap if found, ERR_PTR(-ve) on error
+ */
+struct regmap *syscon_regmap_lookup_by_phandle(struct udevice *dev,
+ const char *name);
+
+/**
* syscon_get_first_range() - get the first memory range from a syscon regmap
*
* @driver_data: Driver data value to look up
#include <common.h>
#include <dm.h>
#include <syscon.h>
+#include <regmap.h>
#include <asm/test.h>
#include <dm/test.h>
#include <test/ut.h>
return 0;
}
DM_TEST(dm_test_syscon_by_driver_data, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test system controller by phandle */
+static int dm_test_syscon_by_phandle(struct unit_test_state *uts)
+{
+ struct udevice *dev;
+ struct regmap *map;
+
+ ut_assertok(uclass_get_device_by_name(UCLASS_TEST_PROBE, "test4",
+ &dev));
+
+ ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev, "first-syscon"));
+ map = syscon_regmap_lookup_by_phandle(dev, "first-syscon");
+ ut_assert(map);
+ ut_assert(!IS_ERR(map));
+ ut_asserteq(1, map->range_count);
+
+ ut_assertok_ptr(syscon_regmap_lookup_by_phandle(dev,
+ "second-sys-ctrl"));
+ map = syscon_regmap_lookup_by_phandle(dev, "second-sys-ctrl");
+ ut_assert(map);
+ ut_assert(!IS_ERR(map));
+ ut_asserteq(4, map->range_count);
+
+ ut_assert(IS_ERR(syscon_regmap_lookup_by_phandle(dev, "not-present")));
+
+ return 0;
+}
+DM_TEST(dm_test_syscon_by_phandle, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
projects / platform / kernel / u-boot.git / commitdiff