arch/arm/include/asm/arch-mx6/sys_proto.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * (C) Copyright 2009
   4  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
   5  */
   6
   7 #ifndef __SYS_PROTO_IMX6_
   8 #define __SYS_PROTO_IMX6_
   9
  10 #include <asm/gpio.h>
  11 #include <asm/mach-imx/sys_proto.h>
  12 #include <asm/arch/iomux.h>
  13
  14 #define USBPHY_PWD              0x00000000
  15
  16 #define USBPHY_PWD_RXPWDRX      (1 << 20) /* receiver block power down */
  17
  18 #define is_usbotg_phy_active(void) (!(readl(USB_PHY0_BASE_ADDR + USBPHY_PWD) & \
  19                                    USBPHY_PWD_RXPWDRX))
  20
  21 enum ldo_reg {
  22         LDO_ARM,
  23         LDO_SOC,
  24         LDO_PU,
  25 };
  26
  27 int set_ldo_voltage(enum ldo_reg ldo, u32 mv);
  28
  29 /**
  30  * iomuxc_set_rgmii_io_voltage - set voltage level of RGMII/USB pins
  31  *
  32  * @param io_vol - the voltage IO level of pins
  33  */
  34 static inline void iomuxc_set_rgmii_io_voltage(int io_vol)
  35 {
  36         __raw_writel(io_vol, IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE_RGMII);
  37 }
  38
  39 #endif /* __SYS_PROTO_IMX6_ */