diff options
| author | Cristian Birsan <cristian.birsan@microchip.com> | 2021-09-10 19:38:42 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-09-14 11:26:29 +0300 |
| commit | 6854ccc4688be88e5efd5b1f8300c4289baf0910 (patch) | |
| tree | c270205cdb39be241a67626aba101c4fdb1656df /drivers/usb/host/ehci-atmel.c | |
| parent | 6a9a7a1a091a7f45cb1d3bfa3d3efb1ca4a2b2af (diff) | |
| download | linux-6854ccc4688be88e5efd5b1f8300c4289baf0910.tar.xz | |
USB: host: ehci-atmel: Add support for HSIC phy
Add support for USB Host High Speed Port HSIC phy.
Tested-by: Alexander Dahl <ada@thorsis.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>
Link: https://lore.kernel.org/r/20210910163842.1596407-3-cristian.birsan@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-atmel.c')
| -rw-r--r-- | drivers/usb/host/ehci-atmel.c | 8 |
1 files changed, 8 insertions, 0 deletions
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 <linux/platform_device.h> #include <linux/usb.h> #include <linux/usb/hcd.h> +#include <linux/usb/phy.h> +#include <linux/usb/of.h> #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: |