leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

power: fan53555: add support for Silergy SYR82X and SYR83X

Browse Source 
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