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c3a973a770
The Qualcomm SPMI PMIC chips are components used with the Snapdragon 800 series SoC family. This driver exists largely as a glue mfd component, it exists to be an owner of an SPMI regmap for children devices described in device tree. Signed-off-by: Josh Cartwright <joshc@codeaurora.org> Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/*
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* Copyright (c) 2014, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/spmi.h>
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#include <linux/regmap.h>
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#include <linux/of_platform.h>
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static const struct regmap_config spmi_regmap_config = {
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.reg_bits = 16,
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.val_bits = 8,
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.max_register = 0xffff,
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.fast_io = true,
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};
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static int pmic_spmi_probe(struct spmi_device *sdev)
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{
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struct device_node *root = sdev->dev.of_node;
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struct regmap *regmap;
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regmap = devm_regmap_init_spmi_ext(sdev, &spmi_regmap_config);
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if (IS_ERR(regmap))
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return PTR_ERR(regmap);
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return of_platform_populate(root, NULL, NULL, &sdev->dev);
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}
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static void pmic_spmi_remove(struct spmi_device *sdev)
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{
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of_platform_depopulate(&sdev->dev);
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}
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static const struct of_device_id pmic_spmi_id_table[] = {
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{ .compatible = "qcom,spmi-pmic" },
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{ .compatible = "qcom,pm8941" },
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{ .compatible = "qcom,pm8841" },
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{ .compatible = "qcom,pma8084" },
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{ }
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};
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MODULE_DEVICE_TABLE(of, pmic_spmi_id_table);
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static struct spmi_driver pmic_spmi_driver = {
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.probe = pmic_spmi_probe,
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.remove = pmic_spmi_remove,
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.driver = {
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.name = "pmic-spmi",
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.of_match_table = pmic_spmi_id_table,
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},
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};
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module_spmi_driver(pmic_spmi_driver);
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MODULE_DESCRIPTION("Qualcomm SPMI PMIC driver");
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MODULE_ALIAS("spmi:spmi-pmic");
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MODULE_LICENSE("GPL v2");
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MODULE_AUTHOR("Josh Cartwright <joshc@codeaurora.org>");
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MODULE_AUTHOR("Stanimir Varbanov <svarbanov@mm-sol.com>");
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