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-rw-r--r--arch/arm/include/asm/arch-imx8m/sys_proto.h1
-rw-r--r--arch/arm/mach-imx/imx8m/soc.c19
2 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-imx8m/sys_proto.h b/arch/arm/include/asm/arch-imx8m/sys_proto.h
index d328542ece2..3e54f9b6764 100644
--- a/arch/arm/include/asm/arch-imx8m/sys_proto.h
+++ b/arch/arm/include/asm/arch-imx8m/sys_proto.h
@@ -11,6 +11,7 @@
void set_wdog_reset(struct wdog_regs *wdog);
void enable_tzc380(void);
void restore_boot_params(void);
+int imx8m_usb_power(int usb_id, bool on);
extern unsigned long rom_pointer[];
enum boot_device get_boot_device(void);
bool is_usb_boot(void);
diff --git a/arch/arm/mach-imx/imx8m/soc.c b/arch/arm/mach-imx/imx8m/soc.c
index ea2c1045a12..5d1ead9a9c3 100644
--- a/arch/arm/mach-imx/imx8m/soc.c
+++ b/arch/arm/mach-imx/imx8m/soc.c
@@ -488,3 +488,22 @@ int arch_misc_init(void)
return 0;
}
#endif
+
+#ifdef CONFIG_USB_XHCI_IMX8M
+#define FSL_SIP_GPC 0xC2000000
+#define FSL_SIP_CONFIG_GPC_PM_DOMAIN 0x03
+int imx8m_usb_power(int usb_id, bool on)
+{
+ unsigned long ret;
+
+ if (usb_id > 1)
+ return -EINVAL;
+
+ ret = call_imx_sip(FSL_SIP_GPC,
+ FSL_SIP_CONFIG_GPC_PM_DOMAIN, 2 + usb_id, on, 0);
+ if (ret)
+ return -EPERM;
+
+ return 0;
+}
+#endif