From 6854ccc4688be88e5efd5b1f8300c4289baf0910 Mon Sep 17 00:00:00 2001 From: Cristian Birsan Date: Fri, 10 Sep 2021 19:38:42 +0300 Subject: USB: host: ehci-atmel: Add support for HSIC phy Add support for USB Host High Speed Port HSIC phy. Tested-by: Alexander Dahl Acked-by: Alan Stern Signed-off-by: Cristian Birsan Link: https://lore.kernel.org/r/20210910163842.1596407-3-cristian.birsan@microchip.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/ehci-atmel.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index e893467d659c..05d41fd65f25 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -18,6 +18,8 @@ #include #include #include +#include +#include #include "ehci.h" @@ -25,6 +27,9 @@ static const char hcd_name[] = "ehci-atmel"; +#define EHCI_INSNREG(index) ((index) * 4 + 0x90) +#define EHCI_INSNREG08_HSIC_EN BIT(2) + /* interface and function clocks */ #define hcd_to_atmel_ehci_priv(h) \ ((struct atmel_ehci_priv *)hcd_to_ehci(h)->priv) @@ -154,6 +159,9 @@ static int ehci_atmel_drv_probe(struct platform_device *pdev) goto fail_add_hcd; device_wakeup_enable(hcd->self.controller); + if (of_usb_get_phy_mode(pdev->dev.of_node) == USBPHY_INTERFACE_MODE_HSIC) + writel(EHCI_INSNREG08_HSIC_EN, hcd->regs + EHCI_INSNREG(8)); + return retval; fail_add_hcd: -- cgit v1.2.3