Esempio n. 1
0
static const struct property_entry dwc3_pci_intel_properties[] = {
	PROPERTY_ENTRY_STRING("dr_mode", "peripheral"),
	PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
	{}
};

static const struct property_entry dwc3_pci_mrfld_properties[] = {
	PROPERTY_ENTRY_STRING("dr_mode", "otg"),
	PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
	{}
};

static const struct property_entry dwc3_pci_amd_properties[] = {
	PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"),
	PROPERTY_ENTRY_U8("snps,lpm-nyet-threshold", 0xf),
	PROPERTY_ENTRY_BOOL("snps,u2exit_lfps_quirk"),
	PROPERTY_ENTRY_BOOL("snps,u2ss_inp3_quirk"),
	PROPERTY_ENTRY_BOOL("snps,req_p1p2p3_quirk"),
	PROPERTY_ENTRY_BOOL("snps,del_p1p2p3_quirk"),
	PROPERTY_ENTRY_BOOL("snps,del_phy_power_chg_quirk"),
	PROPERTY_ENTRY_BOOL("snps,lfps_filter_quirk"),
	PROPERTY_ENTRY_BOOL("snps,rx_detect_poll_quirk"),
	PROPERTY_ENTRY_BOOL("snps,tx_de_emphasis_quirk"),
	PROPERTY_ENTRY_U8("snps,tx_de_emphasis", 1),
	/* FIXME these quirks should be removed when AMD NL tapes out */
	PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"),
	PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"),
	PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"),
	PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
	{}
Esempio n. 2
0
static int dwc3_pci_quirks(struct dwc3_pci *dwc)
{
	struct platform_device		*dwc3 = dwc->dwc3;
	struct pci_dev			*pdev = dwc->pci;

	if (pdev->vendor == PCI_VENDOR_ID_AMD &&
	    pdev->device == PCI_DEVICE_ID_AMD_NL_USB) {
		struct property_entry properties[] = {
			PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"),
			PROPERTY_ENTRY_U8("snps,lpm-nyet-threshold", 0xf),
			PROPERTY_ENTRY_BOOL("snps,u2exit_lfps_quirk"),
			PROPERTY_ENTRY_BOOL("snps,u2ss_inp3_quirk"),
			PROPERTY_ENTRY_BOOL("snps,req_p1p2p3_quirk"),
			PROPERTY_ENTRY_BOOL("snps,del_p1p2p3_quirk"),
			PROPERTY_ENTRY_BOOL("snps,del_phy_power_chg_quirk"),
			PROPERTY_ENTRY_BOOL("snps,lfps_filter_quirk"),
			PROPERTY_ENTRY_BOOL("snps,rx_detect_poll_quirk"),
			PROPERTY_ENTRY_BOOL("snps,tx_de_emphasis_quirk"),
			PROPERTY_ENTRY_U8("snps,tx_de_emphasis", 1),
			/*
			 * FIXME these quirks should be removed when AMD NL
			 * tapes out
			 */
			PROPERTY_ENTRY_BOOL("snps,disable_scramble_quirk"),
			PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"),
			PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"),
			PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
			{ },
		};

		return platform_device_add_properties(dwc3, properties);
	}

	if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
		int ret;

		struct property_entry properties[] = {
			PROPERTY_ENTRY_STRING("dr_mode", "peripheral"),
			PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
			{ }
		};

		ret = platform_device_add_properties(dwc3, properties);
		if (ret < 0)
			return ret;

		if (pdev->device == PCI_DEVICE_ID_INTEL_BXT ||
				pdev->device == PCI_DEVICE_ID_INTEL_BXT_M) {
			guid_parse(PCI_INTEL_BXT_DSM_GUID, &dwc->guid);
			dwc->has_dsm_for_pm = true;
		}

		if (pdev->device == PCI_DEVICE_ID_INTEL_BYT) {
			struct gpio_desc *gpio;

			ret = devm_acpi_dev_add_driver_gpios(&pdev->dev,
					acpi_dwc3_byt_gpios);
			if (ret)
				dev_dbg(&pdev->dev, "failed to add mapping table\n");

			/*
			 * These GPIOs will turn on the USB2 PHY. Note that we have to
			 * put the gpio descriptors again here because the phy driver
			 * might want to grab them, too.
			 */
			gpio = gpiod_get_optional(&pdev->dev, "cs", GPIOD_OUT_LOW);
			if (IS_ERR(gpio))
				return PTR_ERR(gpio);

			gpiod_set_value_cansleep(gpio, 1);
			gpiod_put(gpio);

			gpio = gpiod_get_optional(&pdev->dev, "reset", GPIOD_OUT_LOW);
			if (IS_ERR(gpio))
				return PTR_ERR(gpio);

			if (gpio) {
				gpiod_set_value_cansleep(gpio, 1);
				gpiod_put(gpio);
				usleep_range(10000, 11000);
			}
		}
	}

	if (pdev->vendor == PCI_VENDOR_ID_SYNOPSYS &&
	    (pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 ||
	     pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI ||
	     pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31)) {
		struct property_entry properties[] = {
			PROPERTY_ENTRY_BOOL("snps,usb3_lpm_capable"),
			PROPERTY_ENTRY_BOOL("snps,has-lpm-erratum"),
			PROPERTY_ENTRY_BOOL("snps,dis_enblslpm_quirk"),
			PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
			{ },
		};

		return platform_device_add_properties(dwc3, properties);
	}

	return 0;
}