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power: fan53555: add support for Silergy SYR82X and SYR83X 

SYR82X and SYR83X are almost identical to FAN53555, the only difference
is different die ID and revision, voltage ranges and steps.

Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Tested-by: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Vasily Khoruzhick 2019-11-16 11:32:03 -08:00 committed by Kever Yang
parent d8765e2422
commit 5ef1e02e99
3 changed files with 52 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/power/pmic/fan53555.c
View File

@ -8,6 +8,7 @@
#include <dm/device-internal.h>
#include <dm/lists.h>
#include <i2c.h>
#include <power/fan53555.h>
#include <power/pmic.h>
#include <power/regulator.h>
@ -58,7 +59,7 @@ static int pmic_fan53555_bind(struct udevice *dev)
return -ENOENT;
}
return device_bind_with_driver_data(dev, drv, "SW", 0,
return device_bind_with_driver_data(dev, drv, "SW", dev->driver_data,
dev_ofnode(dev), &child);
};
@ -69,7 +70,9 @@ static struct dm_pmic_ops pmic_fan53555_ops = {
};
static const struct udevice_id pmic_fan53555_match[] = {
{ .compatible = "fcs,fan53555" },
{ .compatible = "fcs,fan53555", .data = FAN53555_VENDOR_FAIRCHILD, },
{ .compatible = "silergy,syr827", .data = FAN53555_VENDOR_SILERGY, },
{ .compatible = "silergy,syr828", .data = FAN53555_VENDOR_SILERGY, },
{ },
};

45
drivers/power/regulator/fan53555.c
View File

@ -10,6 +10,7 @@
#include <fdtdec.h>
#include <i2c.h>
#include <asm/gpio.h>
#include <power/fan53555.h>
#include <power/pmic.h>
#include <power/regulator.h>
@ -27,21 +28,37 @@
* See http://www.onsemi.com/pub/Collateral/FAN53555-D.pdf for details.
*/
static const struct {
unsigned int vendor;
u8 die_id;
u8 die_rev;
bool check_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 */
/* Option 00 */
{ FAN53555_VENDOR_FAIRCHILD, 0x0, 0x3, true, 600000, 10000 },
/* Option 13 */
{ FAN53555_VENDOR_FAIRCHILD, 0x0, 0xf, true, 800000, 10000 },
/* Option 23 */
{ FAN53555_VENDOR_FAIRCHILD, 0x0, 0xc, true, 600000, 12500 },
/* Option 01 */
{ FAN53555_VENDOR_FAIRCHILD, 0x1, 0x3, true, 600000, 10000 },
/* Option 03 */
{ FAN53555_VENDOR_FAIRCHILD, 0x3, 0x3, true, 600000, 10000 },
/* Option 04 */
{ FAN53555_VENDOR_FAIRCHILD, 0x4, 0xf, true, 603000, 12826 },
/* Option 05 */
{ FAN53555_VENDOR_FAIRCHILD, 0x5, 0x3, true, 600000, 10000 },
/* Option 08 */
{ FAN53555_VENDOR_FAIRCHILD, 0x8, 0x1, true, 600000, 10000 },
/* Option 08 */
{ FAN53555_VENDOR_FAIRCHILD, 0x8, 0xf, true, 600000, 10000 },
/* Option 09 */
{ FAN53555_VENDOR_FAIRCHILD, 0xc, 0xf, true, 603000, 12826 },
/* SYL82X */
{ FAN53555_VENDOR_SILERGY, 0x8, 0x0, false, 712500, 12500 },
/* SYL83X */
{ FAN53555_VENDOR_SILERGY, 0x9, 0x0, false, 712500, 12500 },
};
/* I2C-accessible byte-sized registers */
@ -152,10 +169,14 @@ static int fan53555_voltages_setup(struct udevice *dev)
/* Init voltage range and step */
for (i = 0; i < ARRAY_SIZE(ic_types); ++i) {
if (ic_types[i].vendor != priv->vendor)
continue;
if (ic_types[i].die_id != priv->die_id)
continue;
if (ic_types[i].die_rev != priv->die_rev)
if (ic_types[i].check_rev &&
ic_types[i].die_rev != priv->die_rev)
continue;
priv->vsel_min = ic_types[i].vsel_min;
@ -193,7 +214,7 @@ static int fan53555_probe(struct udevice *dev)
return ID2;
/* extract vendor, die_id and die_rev */
priv->vendor = bitfield_extract(ID1, 5, 3);
priv->vendor = dev->driver_data;
priv->die_id = ID1 & GENMASK(3, 0);
priv->die_rev = ID2 & GENMASK(3, 0);

14
include/power/fan53555.h Normal file
View File

@ -0,0 +1,14 @@
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2019 Vasily Khoruzhick <anarsoul@gmail.com>
*/
#ifndef _FAN53555_H_
#define _FAN53555_H_
enum fan53555_vendor {
FAN53555_VENDOR_FAIRCHILD,
FAN53555_VENDOR_SILERGY,
};
#endif