mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-07 21:33:24 +09:00
d024236e5a
We have a large number of places where while we historically referenced gd in the code we no longer do, as well as cases where the code added that line "just in case" during development and never dropped it. Signed-off-by: Tom Rini <trini@konsulko.com>
78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
/*
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* Copyright (C) 2015 Samsung Electronics
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* Przemyslaw Marczak <p.marczak@samsung.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 <fdtdec.h>
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#include <errno.h>
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#include <dm.h>
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#include <i2c.h>
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#include <power/pmic.h>
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#include <power/regulator.h>
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#include <power/sandbox_pmic.h>
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static const struct pmic_child_info pmic_children_info[] = {
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{ .prefix = SANDBOX_OF_LDO_PREFIX, .driver = SANDBOX_LDO_DRIVER },
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{ .prefix = SANDBOX_OF_BUCK_PREFIX, .driver = SANDBOX_BUCK_DRIVER },
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{ },
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};
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static int sandbox_pmic_reg_count(struct udevice *dev)
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{
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return SANDBOX_PMIC_REG_COUNT;
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}
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static int sandbox_pmic_write(struct udevice *dev, uint reg,
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const uint8_t *buff, int len)
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{
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if (dm_i2c_write(dev, reg, buff, len)) {
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pr_err("write error to device: %p register: %#x!", dev, reg);
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return -EIO;
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}
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return 0;
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}
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static int sandbox_pmic_read(struct udevice *dev, uint reg,
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uint8_t *buff, int len)
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{
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if (dm_i2c_read(dev, reg, buff, len)) {
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pr_err("read error from device: %p register: %#x!", dev, reg);
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return -EIO;
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}
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return 0;
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}
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static int sandbox_pmic_bind(struct udevice *dev)
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{
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if (!pmic_bind_children(dev, dev_ofnode(dev), pmic_children_info))
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pr_err("%s:%d PMIC: %s - no child found!", __func__, __LINE__,
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dev->name);
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/* Always return success for this device - allows for PMIC I/O */
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return 0;
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}
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static struct dm_pmic_ops sandbox_pmic_ops = {
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.reg_count = sandbox_pmic_reg_count,
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.read = sandbox_pmic_read,
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.write = sandbox_pmic_write,
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};
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static const struct udevice_id sandbox_pmic_ids[] = {
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{ .compatible = "sandbox,pmic" },
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{ }
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};
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U_BOOT_DRIVER(sandbox_pmic) = {
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.name = "sandbox_pmic",
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.id = UCLASS_PMIC,
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.of_match = sandbox_pmic_ids,
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.bind = sandbox_pmic_bind,
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.ops = &sandbox_pmic_ops,
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};
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