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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2016 Freescale Semiconductor, Inc.
* Copyright 2017-2018 NXP
* Author: Dong Aisheng <aisheng.dong@nxp.com>
*/
#include <linux/io.h>
#include <linux/of.h>
#include <linux/of_address.h>
#define SMC_PMCTRL 0x10
#define BP_PMCTRL_PSTOPO 16
#define PSTOPO_PSTOP3 0x3
void __init imx7ulp_pm_init(void)
{
struct device_node *np;
void __iomem *smc1_base;
np = of_find_compatible_node(NULL, NULL, "fsl,imx7ulp-smc1");
smc1_base = of_iomap(np, 0);
WARN_ON(!smc1_base);
/* Partial Stop mode 3 with system/bus clock enabled */
writel_relaxed(PSTOPO_PSTOP3 << BP_PMCTRL_PSTOPO,
smc1_base + SMC_PMCTRL);
iounmap(smc1_base);
}
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