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/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <delay.h>
#include <soc/mt6315.h>
#include <soc/pmif.h>
#include <soc/pmif_spmi.h>
static struct pmif *pmif_arb = NULL;
static void mt6315_read(u32 slvid, u32 reg, u32 *data)
{
pmif_arb->read(pmif_arb, slvid, reg, data);
}
static void mt6315_write(u32 slvid, u32 reg, u32 data)
{
pmif_arb->write(pmif_arb, slvid, reg, data);
}
void mt6315_write_field(u32 slvid, u32 reg, u32 val, u32 mask, u32 shift)
{
pmif_arb->write_field(pmif_arb, slvid, reg, val, mask, shift);
}
static void mt6315_wdt_enable(u32 slvid)
{
mt6315_write(slvid, 0x3A9, 0x63);
mt6315_write(slvid, 0x3A8, 0x15);
mt6315_write(slvid, 0x127, 0x2);
mt6315_write(slvid, 0x127, 0x1);
mt6315_write(slvid, 0x127, 0x8);
udelay(50);
mt6315_write(slvid, 0x128, 0x8);
mt6315_write(slvid, 0x3A8, 0);
mt6315_write(slvid, 0x3A9, 0);
}
void mt6315_buck_set_voltage(u32 slvid, u32 buck_id, u32 buck_uv)
{
unsigned int vol_reg, vol_val;
if (!pmif_arb)
die("ERROR: pmif_arb not initialized");
switch (buck_id) {
case MT6315_BUCK_1:
vol_reg = MT6315_BUCK_TOP_ELR0;
break;
case MT6315_BUCK_3:
vol_reg = MT6315_BUCK_TOP_ELR3;
break;
default:
die("ERROR: Unknown buck_id %u", buck_id);
return;
};
vol_val = buck_uv / 6250;
mt6315_write(slvid, vol_reg, vol_val);
}
u32 mt6315_buck_get_voltage(u32 slvid, u32 buck_id)
{
u32 vol_reg, vol;
if (!pmif_arb)
die("ERROR: pmif_arb not initialized");
switch (buck_id) {
case MT6315_BUCK_1:
vol_reg = MT6315_BUCK_VBUCK1_DBG0;
break;
case MT6315_BUCK_3:
vol_reg = MT6315_BUCK_VBUCK1_DBG3;
break;
default:
die("ERROR: Unknown buck_id %u", buck_id);
return 0;
};
mt6315_read(slvid, vol_reg, &vol);
return vol * 6250;
}
static void init_pmif_arb(void)
{
if (!pmif_arb) {
pmif_arb = get_pmif_controller(PMIF_SPMI, 0);
if (!pmif_arb)
die("ERROR: No spmi device");
}
if (pmif_arb->is_pmif_init_done(pmif_arb))
die("ERROR - Failed to initialize pmif spmi");
}
void mt6315_init(void)
{
size_t i;
init_pmif_arb();
for (i = 0; i < spmi_dev_cnt; i++)
mt6315_wdt_enable(spmi_dev[i].slvid);
mt6315_init_setting();
}
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