#include <linux/pm_runtime.h>
#include <linux/platform_device.h>
#include <linux/gpio/consumer.h>
+#include <linux/gpio/machine.h>
#include <linux/acpi.h>
#include <linux/delay.h>
{ },
};
+static struct gpiod_lookup_table platform_bytcr_gpios = {
+ .dev_id = "0000:00:16.0",
+ .table = {
+ GPIO_LOOKUP("INT33FC:00", 54, "reset", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("INT33FC:02", 14, "cs", GPIO_ACTIVE_HIGH),
+ {}
+ },
+};
+
static int dwc3_pci_quirks(struct dwc3_pci *dwc)
{
struct platform_device *dwc3 = dwc->dwc3;
if (ret)
dev_dbg(&pdev->dev, "failed to add mapping table\n");
+ /*
+ * A lot of BYT devices lack ACPI resource entries for
+ * the GPIOs, add a fallback mapping to the reference
+ * design GPIOs which all boards seem to use.
+ */
+ gpiod_add_lookup_table(&platform_bytcr_gpios);
+
/*
* These GPIOs will turn on the USB2 PHY. Note that we have to
* put the gpio descriptors again here because the phy driver
{
struct dwc3_pci *dwc = pci_get_drvdata(pci);
+ gpiod_remove_lookup_table(&platform_bytcr_gpios);
#ifdef CONFIG_PM
cancel_work_sync(&dwc->wakeup_work);
#endif