regulator.c

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/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <assert.h>
#include <console/console.h>
#include <soc/mt6366.h>
#include <soc/regulator.h>
 
#define REGULATOR_NOT_SUPPORT -1
 
static const int regulator_id[] = {
        [MTK_REGULATOR_VDD1] = REGULATOR_NOT_SUPPORT,
        [MTK_REGULATOR_VDD2] = REGULATOR_NOT_SUPPORT,
        [MTK_REGULATOR_VDDQ] = MT6366_VDDQ,
        [MTK_REGULATOR_VMDDR] = REGULATOR_NOT_SUPPORT,
        [MTK_REGULATOR_VCORE] = MT6366_VCORE,
        [MTK_REGULATOR_VCC] = REGULATOR_NOT_SUPPORT,
        [MTK_REGULATOR_VCCQ] = REGULATOR_NOT_SUPPORT,
        [MTK_REGULATOR_VDRAM1] = MT6366_VDRAM1,
        [MTK_REGULATOR_VMCH] = MT6366_VMCH,
        [MTK_REGULATOR_VMC] = MT6366_VMC,
        [MTK_REGULATOR_VPROC12] = MT6366_VPROC12,
        [MTK_REGULATOR_VSRAM_PROC12] = MT6366_VSRAM_PROC12,
        [MTK_REGULATOR_VRF12] = MT6366_VRF12,
        [MTK_REGULATOR_VCN33] = MT6366_VCN33,
};
 
_Static_assert(ARRAY_SIZE(regulator_id) == MTK_REGULATOR_NUM, "regulator_id size error");
 
void mainboard_set_regulator_vol(enum mtk_regulator regulator,
                                 uint32_t voltage_uv)
{
        assert(regulator < MTK_REGULATOR_NUM);
 
        if (regulator_id[regulator] < 0) {
                printk(BIOS_ERR, "Invalid regulator ID: %d\n", regulator);
                return;
        }
        mt6366_set_voltage(regulator_id[regulator], voltage_uv);
}
 
uint32_t mainboard_get_regulator_vol(enum mtk_regulator regulator)
{
        assert(regulator < MTK_REGULATOR_NUM);
 
        if (regulator_id[regulator] < 0) {
                printk(BIOS_ERR, "Invalid regulator ID: %d\n", regulator);
                return 0;
        }
        return mt6366_get_voltage(regulator_id[regulator]);
}