uboot-phytec

// SPDX-License-Identifier:     GPL-2.0+

/*

 * (C) 2018 Theobroma Systems Design und Consulting GmbH

 */

​

#include <common.h>

#include <bitfield.h>

#include <errno.h>

#include <dm.h>

#include <fdtdec.h>

#include <i2c.h>

#include <asm/gpio.h>

#include <power/pmic.h>

#include <power/regulator.h>

​

/**

 * struct ic_types - definition of fan53555-family devices

 *

 * @die_id: Identifies the DIE_ID (lower nibble of the ID1 register)

 * @die_rev: Identifies the DIE_REV (lower nibble of the ID2 register)

 * @vsel_min: starting voltage (step 0) in uV

 * @vsel_step: increment of the voltage in uV

 *

 * The voltage ramp (i.e. minimum voltage and step) is selected from the

 * combination of 2 nibbles: DIE_ID and DIE_REV.

 *

 * See http://www.onsemi.com/pub/Collateral/FAN53555-D.pdf for details.

 */

static const struct {

    u8 die_id;

    u8 die_rev;

    u32 vsel_min;

    u32 vsel_step;

} ic_types[] = {

    { 0x0, 0x3, 600000, 10000 },  /* Option 00 */

    { 0x0, 0xf, 800000, 10000 },  /* Option 13 */

    { 0x0, 0xc, 600000, 12500 },  /* Option 23 */

    { 0x1, 0x3, 600000, 10000 },  /* Option 01 */

    { 0x3, 0x3, 600000, 10000 },  /* Option 03 */

    { 0x4, 0xf, 603000, 12826 },  /* Option 04 */

    { 0x5, 0x3, 600000, 10000 },  /* Option 05 */

    { 0x8, 0x1, 600000, 10000 },  /* Option 08 */

    { 0x8, 0xf, 600000, 10000 },  /* Option 08 */

    { 0xc, 0xf, 603000, 12826 },  /* Option 09 */

};

​

/* I2C-accessible byte-sized registers */

enum {

    /* Voltage setting */

    FAN53555_VSEL0 = 0x00,

    FAN53555_VSEL1,

    /* Control register */

    FAN53555_CONTROL,

    /* IC Type */

    FAN53555_ID1,

    /* IC mask version */

    FAN53555_ID2,

    /* Monitor register */

    FAN53555_MONITOR,

};

​

struct fan53555_platdata {

    /* Voltage setting register */