u-boot/arch/arm/include/asm/arch-mx6/sys_proto.h
Marek Vasut df1b721f60 ARM: mx6: pmu: Expose PMU LDO configuration interface
Make the PMU LDO configuration interface available to board code,
so that board code can reconfigure the internal LDOs of the SoC.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Eric Nelson <eric@nelint.com>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Reviewed-by: Eric Nelson <eric@nelint.com>
2019-12-06 13:57:42 +01:00

41 lines
910 B
C

/* SPDX-License-Identifier: GPL-2.0+ */
/*
* (C) Copyright 2009
* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
*/
#ifndef __SYS_PROTO_IMX6_
#define __SYS_PROTO_IMX6_
#include <asm/mach-imx/sys_proto.h>
#include <asm/arch/iomux.h>
#define USBPHY_PWD 0x00000000
#define USBPHY_PWD_RXPWDRX (1 << 20) /* receiver block power down */
#define is_usbotg_phy_active(void) (!(readl(USB_PHY0_BASE_ADDR + USBPHY_PWD) & \
USBPHY_PWD_RXPWDRX))
int imx6_pcie_toggle_power(void);
int imx6_pcie_toggle_reset(void);
enum ldo_reg {
LDO_ARM,
LDO_SOC,
LDO_PU,
};
int set_ldo_voltage(enum ldo_reg ldo, u32 mv);
/**
* iomuxc_set_rgmii_io_voltage - set voltage level of RGMII/USB pins
*
* @param io_vol - the voltage IO level of pins
*/
static inline void iomuxc_set_rgmii_io_voltage(int io_vol)
{
__raw_writel(io_vol, IOMUXC_SW_PAD_CTL_GRP_DDR_TYPE_RGMII);
}
#endif /* __SYS_PROTO_IMX6_ */