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c571d6828d
Add device model enabled PMIC driver for Ricoh RN5T567 PMIC used on Colibri iMX7. Signed-off-by: Stefan Agner <stefan.agner@toradex.com> Reviewed-by: Simon Glass <sjg@chromium.org>
65 lines
1.2 KiB
C
65 lines
1.2 KiB
C
/*
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* Copyright (C) 2016 Toradex AG
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* Stefan Agner <stefan.agner@toradex.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#include <common.h>
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#include <dm.h>
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#include <errno.h>
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#include <fdtdec.h>
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#include <libfdt.h>
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#include <power/rn5t567_pmic.h>
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#include <power/pmic.h>
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static int rn5t567_reg_count(struct udevice *dev)
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{
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return RN5T567_NUM_OF_REGS;
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}
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static int rn5t567_write(struct udevice *dev, uint reg, const uint8_t *buff,
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int len)
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{
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int ret;
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ret = dm_i2c_write(dev, reg, buff, len);
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if (ret) {
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debug("write error to device: %p register: %#x!", dev, reg);
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return ret;
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}
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return 0;
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}
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static int rn5t567_read(struct udevice *dev, uint reg, uint8_t *buff, int len)
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{
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int ret;
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ret = dm_i2c_read(dev, reg, buff, len);
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if (ret) {
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debug("read error from device: %p register: %#x!", dev, reg);
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return ret;
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}
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return 0;
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}
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static struct dm_pmic_ops rn5t567_ops = {
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.reg_count = rn5t567_reg_count,
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.read = rn5t567_read,
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.write = rn5t567_write,
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};
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static const struct udevice_id rn5t567_ids[] = {
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{ .compatible = "ricoh,rn5t567" },
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{ }
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};
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U_BOOT_DRIVER(pmic_rn5t567) = {
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.name = "rn5t567 pmic",
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.id = UCLASS_PMIC,
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.of_match = rn5t567_ids,
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.ops = &rn5t567_ops,
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};
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