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TPS80031/TPS80032 PMICs have embedded power control functions used by some device to initiane device power off. Implement it as sysreset driver. Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
41 lines
902 B
C
41 lines
902 B
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright(C) 2023 Svyatoslav Ryhel <clamor95@gmail.com>
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*/
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#include <dm.h>
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#include <i2c.h>
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#include <errno.h>
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#include <sysreset.h>
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#include <power/pmic.h>
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#include <power/tps80031.h>
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static int tps80031_sysreset_request(struct udevice *dev,
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enum sysreset_t type)
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{
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switch (type) {
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case SYSRESET_POWER:
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/* TPS80031: SW_RESET > PHOENIX_DEV_ON */
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pmic_reg_write(dev->parent, TPS80031_PHOENIX_DEV_ON, SW_RESET);
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break;
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case SYSRESET_POWER_OFF:
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/* TPS80031: DEVOFF > PHOENIX_DEV_ON */
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pmic_reg_write(dev->parent, TPS80031_PHOENIX_DEV_ON, DEVOFF);
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break;
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default:
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return -EPROTONOSUPPORT;
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}
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return -EINPROGRESS;
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}
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static struct sysreset_ops tps80031_sysreset = {
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.request = tps80031_sysreset_request,
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};
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U_BOOT_DRIVER(sysreset_tps80031) = {
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.id = UCLASS_SYSRESET,
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.name = TPS80031_RST_DRIVER,
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.ops = &tps80031_sysreset,
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};
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