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/*
* Copyright 2013 Broadcom Corporation.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/io.h>
#include <linux/errno.h>
#include <asm/arch/sysmap.h>
#include <asm/kona-common/clk.h>
#include "clk-core.h"
/* Enable appropriate clocks for a BSC/I2C port */
int clk_bsc_enable(void *base)
{
int ret;
char *bscstr, *apbstr;
switch ((u32) base) {
case PMU_BSC_BASE_ADDR:
/* PMU clock is always enabled */
return 0;
case BSC1_BASE_ADDR:
bscstr = "bsc1_clk";
apbstr = "bsc1_apb_clk";
break;
case BSC2_BASE_ADDR:
bscstr = "bsc2_clk";
apbstr = "bsc2_apb_clk";
break;
case BSC3_BASE_ADDR:
bscstr = "bsc3_clk";
apbstr = "bsc3_apb_clk";
break;
default:
printf("%s: base 0x%p not found\n", __func__, base);
return -EINVAL;
}
/* Note that the bus clock must be enabled first */
ret = clk_get_and_enable(apbstr);
if (ret)
return ret;
ret = clk_get_and_enable(bscstr);
if (ret)
return ret;
return 0;
}
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