Commit 5913eb45 authored by Alistair Francis's avatar Alistair Francis Committed by Lee Jones
Browse files

mfd: simple-mfd-i2c: Enable support for the silergy,sy7636a

parent bae5a4ac
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+11 −0
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@@ -62,8 +62,19 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c)
	return ret;
}

static const struct mfd_cell sy7636a_cells[] = {
	{ .name = "sy7636a-regulator", },
	{ .name = "sy7636a-temperature", },
};

static const struct simple_mfd_data silergy_sy7636a = {
	.mfd_cell = sy7636a_cells,
	.mfd_cell_size = ARRAY_SIZE(sy7636a_cells),
};

static const struct of_device_id simple_mfd_i2c_of_match[] = {
	{ .compatible = "kontron,sl28cpld" },
	{ .compatible = "silergy,sy7636a", .data = &silergy_sy7636a},
	{}
};
MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match);
+34 −0
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/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Functions to access SY3686A power management chip.
 *
 * Copyright (C) 2021 reMarkable AS - http://www.remarkable.com/
 */

#ifndef __MFD_SY7636A_H
#define __MFD_SY7636A_H

#define SY7636A_REG_OPERATION_MODE_CRL		0x00
/* It is set if a gpio is used to control the regulator */
#define SY7636A_OPERATION_MODE_CRL_VCOMCTL	BIT(6)
#define SY7636A_OPERATION_MODE_CRL_ONOFF	BIT(7)
#define SY7636A_REG_VCOM_ADJUST_CTRL_L		0x01
#define SY7636A_REG_VCOM_ADJUST_CTRL_H		0x02
#define SY7636A_REG_VCOM_ADJUST_CTRL_MASK	0x01ff
#define SY7636A_REG_VLDO_VOLTAGE_ADJULST_CTRL	0x03
#define SY7636A_REG_POWER_ON_DELAY_TIME		0x06
#define SY7636A_REG_FAULT_FLAG			0x07
#define SY7636A_FAULT_FLAG_PG			BIT(0)
#define SY7636A_REG_TERMISTOR_READOUT		0x08

#define SY7636A_REG_MAX				0x08

#define VCOM_ADJUST_CTRL_MASK	0x1ff
// Used to shift the high byte
#define VCOM_ADJUST_CTRL_SHIFT	8
// Used to scale from VCOM_ADJUST_CTRL to mv
#define VCOM_ADJUST_CTRL_SCAL	10000

#define FAULT_FLAG_SHIFT	1

#endif /* __LINUX_MFD_SY7636A_H */