blob: 0001022c62a6d342b6c242108c99d323f2b982d1 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2016 Rockchip Electronics Co., Ltd
* (C) Copyright 2020 Peter Robinson <pbrobinson at gmail.com>
*/
#include <common.h>
#include <dm.h>
#include <syscon.h>
#include <asm/arch-rockchip/clock.h>
#include <asm/arch-rockchip/grf_rk3399.h>
#include <asm/arch-rockchip/hardware.h>
#include <linux/printk.h>
#define GRF_IO_VSEL_BT565_SHIFT 0
#define PMUGRF_CON0_VSEL_SHIFT 8
#ifdef CONFIG_MISC_INIT_R
static void setup_iodomain(void)
{
struct rk3399_grf_regs *grf =
syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
struct rk3399_pmugrf_regs *pmugrf =
syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF);
/* BT565 is in 1.8v domain */
rk_setreg(&grf->io_vsel, 1 << GRF_IO_VSEL_BT565_SHIFT);
/* Set GPIO1 1.8v/3.0v source select to PMU1830_VOL */
rk_setreg(&pmugrf->soc_con0, 1 << PMUGRF_CON0_VSEL_SHIFT);
}
int rockchip_early_misc_init_r(void)
{
setup_iodomain();
return 0;
}
#endif