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55ad509c11
Now that a regulator driver exists for this PMIC, hook it up to the device tree "regulators" subnodes. Signed-off-by: Samuel Holland <samuel@sholland.org> Signed-off-by: Andre Przywara <andre.przywara@arm.com>
104 lines
2.4 KiB
C
104 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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#include <axp_pmic.h>
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#include <dm.h>
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#include <dm/lists.h>
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#include <i2c.h>
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#include <power/pmic.h>
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#include <sysreset.h>
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#if CONFIG_IS_ENABLED(SYSRESET)
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static int axp_sysreset_request(struct udevice *dev, enum sysreset_t type)
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{
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int ret;
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if (type != SYSRESET_POWER_OFF)
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return -EPROTONOSUPPORT;
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ret = pmic_clrsetbits(dev->parent, AXP152_SHUTDOWN, 0, AXP152_POWEROFF);
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if (ret < 0)
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return ret;
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return -EINPROGRESS;
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}
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static struct sysreset_ops axp_sysreset_ops = {
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.request = axp_sysreset_request,
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};
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U_BOOT_DRIVER(axp_sysreset) = {
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.name = "axp_sysreset",
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.id = UCLASS_SYSRESET,
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.ops = &axp_sysreset_ops,
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};
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#endif
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static int axp_pmic_reg_count(struct udevice *dev)
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{
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/* TODO: Get the specific value from driver data. */
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return 0x100;
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}
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static struct dm_pmic_ops axp_pmic_ops = {
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.reg_count = axp_pmic_reg_count,
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.read = dm_i2c_read,
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.write = dm_i2c_write,
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};
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static const struct pmic_child_info axp_pmic_child_info[] = {
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{ "aldo", "axp_regulator" },
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{ "bldo", "axp_regulator" },
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{ "cldo", "axp_regulator" },
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{ "dc", "axp_regulator" },
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{ "dldo", "axp_regulator" },
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{ "eldo", "axp_regulator" },
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{ "fldo", "axp_regulator" },
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{ "ldo", "axp_regulator" },
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{ "sw", "axp_regulator" },
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{ }
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};
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static int axp_pmic_bind(struct udevice *dev)
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{
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ofnode regulators_node;
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int ret;
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ret = dm_scan_fdt_dev(dev);
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if (ret)
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return ret;
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regulators_node = dev_read_subnode(dev, "regulators");
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if (ofnode_valid(regulators_node))
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pmic_bind_children(dev, regulators_node, axp_pmic_child_info);
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if (CONFIG_IS_ENABLED(SYSRESET)) {
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ret = device_bind_driver_to_node(dev, "axp_sysreset", "axp_sysreset",
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dev_ofnode(dev), NULL);
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if (ret)
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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 const struct udevice_id axp_pmic_ids[] = {
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{ .compatible = "x-powers,axp152", .data = AXP152_ID },
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{ .compatible = "x-powers,axp202", .data = AXP202_ID },
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{ .compatible = "x-powers,axp209", .data = AXP209_ID },
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{ .compatible = "x-powers,axp221", .data = AXP221_ID },
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{ .compatible = "x-powers,axp223", .data = AXP223_ID },
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{ .compatible = "x-powers,axp803", .data = AXP803_ID },
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{ .compatible = "x-powers,axp806", .data = AXP806_ID },
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{ .compatible = "x-powers,axp809", .data = AXP809_ID },
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{ .compatible = "x-powers,axp813", .data = AXP813_ID },
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{ }
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};
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U_BOOT_DRIVER(axp_pmic) = {
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.name = "axp_pmic",
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.id = UCLASS_PMIC,
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.of_match = axp_pmic_ids,
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.bind = axp_pmic_bind,
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.ops = &axp_pmic_ops,
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};
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