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author | Khiem Nguyen <khiem.nguyen.xt@renesas.com> | 2021-01-12 18:01:07 +0900 |
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committer | Lee Jones <lee.jones@linaro.org> | 2021-01-14 13:05:55 +0000 |
commit | b2548da647bb04737196ffd945505d47a166239b (patch) | |
tree | d44a80e62db427714e161ee1cc4f6717908ca9f8 /drivers/mfd | |
parent | f16e1fd197f85a943b5880009f4aefe05a17df0d (diff) | |
download | linux-stable-b2548da647bb04737196ffd945505d47a166239b.tar.gz linux-stable-b2548da647bb04737196ffd945505d47a166239b.tar.bz2 linux-stable-b2548da647bb04737196ffd945505d47a166239b.zip |
mfd: bd9571mwv: Add support for BD9574MWF
The new PMIC BD9574MWF inherits features from BD9571MWV.
Add the support of new PMIC to existing bd9571mwv driver.
Signed-off-by: Khiem Nguyen <khiem.nguyen.xt@renesas.com>
Co-developed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd')
-rw-r--r-- | drivers/mfd/bd9571mwv.c | 76 |
1 files changed, 75 insertions, 1 deletions
diff --git a/drivers/mfd/bd9571mwv.c b/drivers/mfd/bd9571mwv.c index 2c1fcbb6ff2b..e15b1acfb063 100644 --- a/drivers/mfd/bd9571mwv.c +++ b/drivers/mfd/bd9571mwv.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * ROHM BD9571MWV-M MFD driver + * ROHM BD9571MWV-M and BD9574MVF-M core driver * * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com> * Copyright (C) 2020 Renesas Electronics Corporation @@ -11,6 +11,7 @@ #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/mfd/core.h> +#include <linux/mfd/rohm-generic.h> #include <linux/module.h> #include <linux/mfd/bd9571mwv.h> @@ -103,6 +104,72 @@ static struct regmap_irq_chip bd9571mwv_irq_chip = { .num_irqs = ARRAY_SIZE(bd9571mwv_irqs), }; +static const struct mfd_cell bd9574mwf_cells[] = { + { .name = "bd9574mwf-regulator", }, + { .name = "bd9574mwf-gpio", }, +}; + +static const struct regmap_range bd9574mwf_readable_yes_ranges[] = { + regmap_reg_range(BD9571MWV_VENDOR_CODE, BD9571MWV_PRODUCT_REVISION), + regmap_reg_range(BD9571MWV_BKUP_MODE_CNT, BD9571MWV_BKUP_MODE_CNT), + regmap_reg_range(BD9571MWV_DVFS_VINIT, BD9571MWV_DVFS_SETVMAX), + regmap_reg_range(BD9571MWV_DVFS_SETVID, BD9571MWV_DVFS_MONIVDAC), + regmap_reg_range(BD9571MWV_GPIO_IN, BD9571MWV_GPIO_IN), + regmap_reg_range(BD9571MWV_GPIO_INT, BD9571MWV_GPIO_INTMASK), + regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTMASK), +}; + +static const struct regmap_access_table bd9574mwf_readable_table = { + .yes_ranges = bd9574mwf_readable_yes_ranges, + .n_yes_ranges = ARRAY_SIZE(bd9574mwf_readable_yes_ranges), +}; + +static const struct regmap_range bd9574mwf_writable_yes_ranges[] = { + regmap_reg_range(BD9571MWV_BKUP_MODE_CNT, BD9571MWV_BKUP_MODE_CNT), + regmap_reg_range(BD9571MWV_DVFS_SETVID, BD9571MWV_DVFS_SETVID), + regmap_reg_range(BD9571MWV_GPIO_DIR, BD9571MWV_GPIO_OUT), + regmap_reg_range(BD9571MWV_GPIO_INT_SET, BD9571MWV_GPIO_INTMASK), + regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTMASK), +}; + +static const struct regmap_access_table bd9574mwf_writable_table = { + .yes_ranges = bd9574mwf_writable_yes_ranges, + .n_yes_ranges = ARRAY_SIZE(bd9574mwf_writable_yes_ranges), +}; + +static const struct regmap_range bd9574mwf_volatile_yes_ranges[] = { + regmap_reg_range(BD9571MWV_DVFS_MONIVDAC, BD9571MWV_DVFS_MONIVDAC), + regmap_reg_range(BD9571MWV_GPIO_IN, BD9571MWV_GPIO_IN), + regmap_reg_range(BD9571MWV_GPIO_INT, BD9571MWV_GPIO_INT), + regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTREQ), +}; + +static const struct regmap_access_table bd9574mwf_volatile_table = { + .yes_ranges = bd9574mwf_volatile_yes_ranges, + .n_yes_ranges = ARRAY_SIZE(bd9574mwf_volatile_yes_ranges), +}; + +static const struct regmap_config bd9574mwf_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .cache_type = REGCACHE_RBTREE, + .rd_table = &bd9574mwf_readable_table, + .wr_table = &bd9574mwf_writable_table, + .volatile_table = &bd9574mwf_volatile_table, + .max_register = 0xff, +}; + +static struct regmap_irq_chip bd9574mwf_irq_chip = { + .name = "bd9574mwf", + .status_base = BD9571MWV_INT_INTREQ, + .mask_base = BD9571MWV_INT_INTMASK, + .ack_base = BD9571MWV_INT_INTREQ, + .init_ack_masked = true, + .num_regs = 1, + .irqs = bd9571mwv_irqs, + .num_irqs = ARRAY_SIZE(bd9571mwv_irqs), +}; + static int bd957x_identify(struct device *dev, struct regmap *regmap) { unsigned int value; @@ -162,6 +229,12 @@ static int bd9571mwv_probe(struct i2c_client *client, cells = bd9571mwv_cells; num_cells = ARRAY_SIZE(bd9571mwv_cells); break; + case BD9571MWV_PRODUCT_CODE_BD9574MWF: + regmap_config = &bd9574mwf_regmap_config; + irq_chip = &bd9574mwf_irq_chip; + cells = bd9574mwf_cells; + num_cells = ARRAY_SIZE(bd9574mwf_cells); + break; default: dev_err(dev, "Unsupported device 0x%x\n", ret); return -ENODEV; @@ -190,6 +263,7 @@ static int bd9571mwv_probe(struct i2c_client *client, static const struct of_device_id bd9571mwv_of_match_table[] = { { .compatible = "rohm,bd9571mwv", }, + { .compatible = "rohm,bd9574mwf", }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, bd9571mwv_of_match_table); |