Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 249 insertions, 0 deletions

diff --git a/drivers/mfd/da9063-i2c.c b/drivers/mfd/da9063-i2c.c
new file mode 100644
index 000000000..50a24b192
--- /dev/null
+++ b/drivers/mfd/da9063-i2c.c
@@ -0,0 +1,249 @@
+/* da9063-i2c.c: Interrupt support for Dialog DA9063
+ *
+ * Copyright 2012 Dialog Semiconductor Ltd.
+ * Copyright 2013 Philipp Zabel, Pengutronix
+ *
+ * Author: Krystian Garbaciak, Dialog Semiconductor
+ *
+ *  This program is free software; you can redistribute  it and/or modify it
+ *  under  the terms of  the GNU General  Public License as published by the
+ *  Free Software Foundation;  either version 2 of the  License, or (at your
+ *  option) any later version.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+
+#include <linux/mfd/core.h>
+#include <linux/mfd/da9063/core.h>
+#include <linux/mfd/da9063/pdata.h>
+#include <linux/mfd/da9063/registers.h>
+
+#include <linux/of.h>
+#include <linux/regulator/of_regulator.h>
+
+static const struct regmap_range da9063_ad_readable_ranges[] = {
+	regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_AD_REG_SECOND_D),
+	regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+	regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+	regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_AD_REG_GP_ID_19),
+	regmap_reg_range(DA9063_REG_CHIP_ID, DA9063_REG_CHIP_VARIANT),
+};
+
+static const struct regmap_range da9063_ad_writeable_ranges[] = {
+	regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON),
+	regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON),
+	regmap_reg_range(DA9063_REG_COUNT_S, DA9063_AD_REG_ALARM_Y),
+	regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+	regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+	regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_AD_REG_MON_REG_4),
+	regmap_reg_range(DA9063_AD_REG_GP_ID_0, DA9063_AD_REG_GP_ID_19),
+};
+
+static const struct regmap_range da9063_ad_volatile_ranges[] = {
+	regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D),
+	regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B),
+	regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F),
+	regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT),
+	regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN),
+	regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_AD_REG_SECOND_D),
+	regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ),
+	regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K),
+	regmap_reg_range(DA9063_AD_REG_MON_REG_5, DA9063_AD_REG_MON_REG_6),
+};
+
+static const struct regmap_access_table da9063_ad_readable_table = {
+	.yes_ranges = da9063_ad_readable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063_ad_readable_ranges),
+};
+
+static const struct regmap_access_table da9063_ad_writeable_table = {
+	.yes_ranges = da9063_ad_writeable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063_ad_writeable_ranges),
+};
+
+static const struct regmap_access_table da9063_ad_volatile_table = {
+	.yes_ranges = da9063_ad_volatile_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063_ad_volatile_ranges),
+};
+
+static const struct regmap_range da9063_bb_readable_ranges[] = {
+	regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_BB_REG_SECOND_D),
+	regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+	regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+	regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_BB_REG_GP_ID_19),
+	regmap_reg_range(DA9063_REG_CHIP_ID, DA9063_REG_CHIP_VARIANT),
+};
+
+static const struct regmap_range da9063_bb_writeable_ranges[] = {
+	regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON),
+	regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON),
+	regmap_reg_range(DA9063_REG_COUNT_S, DA9063_BB_REG_ALARM_Y),
+	regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+	regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+	regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_BB_REG_MON_REG_4),
+	regmap_reg_range(DA9063_BB_REG_GP_ID_0, DA9063_BB_REG_GP_ID_19),
+};
+
+static const struct regmap_range da9063_bb_volatile_ranges[] = {
+	regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D),
+	regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B),
+	regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F),
+	regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT),
+	regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN),
+	regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_BB_REG_SECOND_D),
+	regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ),
+	regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K),
+	regmap_reg_range(DA9063_BB_REG_MON_REG_5, DA9063_BB_REG_MON_REG_6),
+};
+
+static const struct regmap_access_table da9063_bb_readable_table = {
+	.yes_ranges = da9063_bb_readable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063_bb_readable_ranges),
+};
+
+static const struct regmap_access_table da9063_bb_writeable_table = {
+	.yes_ranges = da9063_bb_writeable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063_bb_writeable_ranges),
+};
+
+static const struct regmap_access_table da9063_bb_volatile_table = {
+	.yes_ranges = da9063_bb_volatile_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063_bb_volatile_ranges),
+};
+
+static const struct regmap_range da9063l_bb_readable_ranges[] = {
+	regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_MON_A10_RES),
+	regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+	regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+	regmap_reg_range(DA9063_REG_T_OFFSET, DA9063_BB_REG_GP_ID_19),
+	regmap_reg_range(DA9063_REG_CHIP_ID, DA9063_REG_CHIP_VARIANT),
+};
+
+static const struct regmap_range da9063l_bb_writeable_ranges[] = {
+	regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_PAGE_CON),
+	regmap_reg_range(DA9063_REG_FAULT_LOG, DA9063_REG_VSYS_MON),
+	regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_ID_32_31),
+	regmap_reg_range(DA9063_REG_SEQ_A, DA9063_REG_AUTO3_LOW),
+	regmap_reg_range(DA9063_REG_CONFIG_I, DA9063_BB_REG_MON_REG_4),
+	regmap_reg_range(DA9063_BB_REG_GP_ID_0, DA9063_BB_REG_GP_ID_19),
+};
+
+static const struct regmap_range da9063l_bb_volatile_ranges[] = {
+	regmap_reg_range(DA9063_REG_PAGE_CON, DA9063_REG_EVENT_D),
+	regmap_reg_range(DA9063_REG_CONTROL_A, DA9063_REG_CONTROL_B),
+	regmap_reg_range(DA9063_REG_CONTROL_E, DA9063_REG_CONTROL_F),
+	regmap_reg_range(DA9063_REG_BCORE2_CONT, DA9063_REG_LDO11_CONT),
+	regmap_reg_range(DA9063_REG_DVC_1, DA9063_REG_ADC_MAN),
+	regmap_reg_range(DA9063_REG_ADC_RES_L, DA9063_REG_MON_A10_RES),
+	regmap_reg_range(DA9063_REG_SEQ, DA9063_REG_SEQ),
+	regmap_reg_range(DA9063_REG_EN_32K, DA9063_REG_EN_32K),
+	regmap_reg_range(DA9063_BB_REG_MON_REG_5, DA9063_BB_REG_MON_REG_6),
+};
+
+static const struct regmap_access_table da9063l_bb_readable_table = {
+	.yes_ranges = da9063l_bb_readable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063l_bb_readable_ranges),
+};
+
+static const struct regmap_access_table da9063l_bb_writeable_table = {
+	.yes_ranges = da9063l_bb_writeable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063l_bb_writeable_ranges),
+};
+
+static const struct regmap_access_table da9063l_bb_volatile_table = {
+	.yes_ranges = da9063l_bb_volatile_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063l_bb_volatile_ranges),
+};
+
+static const struct regmap_range_cfg da9063_range_cfg[] = {
+	{
+		.range_min = DA9063_REG_PAGE_CON,
+		.range_max = DA9063_REG_CHIP_VARIANT,
+		.selector_reg = DA9063_REG_PAGE_CON,
+		.selector_mask = 1 << DA9063_I2C_PAGE_SEL_SHIFT,
+		.selector_shift = DA9063_I2C_PAGE_SEL_SHIFT,
+		.window_start = 0,
+		.window_len = 256,
+	}
+};
+
+static struct regmap_config da9063_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.ranges = da9063_range_cfg,
+	.num_ranges = ARRAY_SIZE(da9063_range_cfg),
+	.max_register = DA9063_REG_CHIP_VARIANT,
+
+	.cache_type = REGCACHE_RBTREE,
+};
+
+static const struct of_device_id da9063_dt_ids[] = {
+	{ .compatible = "dlg,da9063", },
+	{ .compatible = "dlg,da9063l", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, da9063_dt_ids);
+static int da9063_i2c_probe(struct i2c_client *i2c,
+			    const struct i2c_device_id *id)
+{
+	struct da9063 *da9063;
+	int ret;
+
+	da9063 = devm_kzalloc(&i2c->dev, sizeof(struct da9063), GFP_KERNEL);
+	if (da9063 == NULL)
+		return -ENOMEM;
+
+	i2c_set_clientdata(i2c, da9063);
+	da9063->dev = &i2c->dev;
+	da9063->chip_irq = i2c->irq;
+	da9063->type = id->driver_data;
+
+	if (da9063->variant_code == PMIC_DA9063_AD) {
+		da9063_regmap_config.rd_table = &da9063_ad_readable_table;
+		da9063_regmap_config.wr_table = &da9063_ad_writeable_table;
+		da9063_regmap_config.volatile_table = &da9063_ad_volatile_table;
+	} else if (da9063->type == PMIC_TYPE_DA9063L) {
+		da9063_regmap_config.rd_table = &da9063l_bb_readable_table;
+		da9063_regmap_config.wr_table = &da9063l_bb_writeable_table;
+		da9063_regmap_config.volatile_table = &da9063l_bb_volatile_table;
+	} else {
+		da9063_regmap_config.rd_table = &da9063_bb_readable_table;
+		da9063_regmap_config.wr_table = &da9063_bb_writeable_table;
+		da9063_regmap_config.volatile_table = &da9063_bb_volatile_table;
+	}
+
+	da9063->regmap = devm_regmap_init_i2c(i2c, &da9063_regmap_config);
+	if (IS_ERR(da9063->regmap)) {
+		ret = PTR_ERR(da9063->regmap);
+		dev_err(da9063->dev, "Failed to allocate register map: %d\n",
+			ret);
+		return ret;
+	}
+
+	return da9063_device_init(da9063, i2c->irq);
+}
+
+static const struct i2c_device_id da9063_i2c_id[] = {
+	{ "da9063", PMIC_TYPE_DA9063 },
+	{ "da9063l", PMIC_TYPE_DA9063L },
+	{},
+};
+MODULE_DEVICE_TABLE(i2c, da9063_i2c_id);
+
+static struct i2c_driver da9063_i2c_driver = {
+	.driver = {
+		.name = "da9063",
+		.of_match_table = of_match_ptr(da9063_dt_ids),
+	},
+	.probe    = da9063_i2c_probe,
+	.id_table = da9063_i2c_id,
+};
+
+module_i2c_driver(da9063_i2c_driver);