[PATCH v7 12/12] mfd: bd9571mwv: Add support for BD9574MWF

From: Yoshihiro Shimoda
Date: Thu Dec 24 2020 - 02:05:00 EST

Next message: Yoshihiro Shimoda: "[PATCH v7 10/12] mfd: bd9571mwv: Use devm_regmap_add_irq_chip()"
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From: Khiem Nguyen <khiem.nguyen.xt@xxxxxxxxxxx>

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@xxxxxxxxxxx>
Co-developed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
Reviewed-by: Matti Vaittinen <matti.vaittinen@xxxxxxxxxxxxxxxxx>
Acked-for-MFD-by: Lee Jones <lee.jones@xxxxxxxxxx>
---
drivers/mfd/bd9571mwv.c | 76 ++++++++++++++++++++++++++++++++++++++++++-
include/linux/mfd/bd9571mwv.h | 17 ++++++++--
2 files changed, 89 insertions(+), 4 deletions(-)

diff --git a/drivers/mfd/bd9571mwv.c b/drivers/mfd/bd9571mwv.c
index 2c1fcbb..e15b1ac 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@xxxxxxxxx>
* 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);
diff --git a/include/linux/mfd/bd9571mwv.h b/include/linux/mfd/bd9571mwv.h
index e1716ec..8efd99d 100644
--- a/include/linux/mfd/bd9571mwv.h
+++ b/include/linux/mfd/bd9571mwv.h
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: GPL-2.0-only */
/*
- * ROHM BD9571MWV-M driver
+ * ROHM BD9571MWV-M and BD9574MWF-M driver
*
* Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
* Copyright (C) 2020 Renesas Electronics Corporation
@@ -14,11 +14,12 @@
#include <linux/device.h>
#include <linux/regmap.h>

-/* List of registers for BD9571MWV */
+/* List of registers for BD9571MWV and BD9574MWF */
#define BD9571MWV_VENDOR_CODE 0x00
#define BD9571MWV_VENDOR_CODE_VAL 0xdb
#define BD9571MWV_PRODUCT_CODE 0x01
#define BD9571MWV_PRODUCT_CODE_BD9571MWV 0x60
+#define BD9571MWV_PRODUCT_CODE_BD9574MWF 0x74
#define BD9571MWV_PRODUCT_REVISION 0x02

#define BD9571MWV_I2C_FUSA_MODE 0x10
@@ -48,6 +49,7 @@
#define BD9571MWV_VD33_VID 0x44

#define BD9571MWV_DVFS_VINIT 0x50
+#define BD9574MWF_VD09_VINIT 0x51
#define BD9571MWV_DVFS_SETVMAX 0x52
#define BD9571MWV_DVFS_BOOSTVID 0x53
#define BD9571MWV_DVFS_SETVID 0x54
@@ -61,6 +63,7 @@
#define BD9571MWV_GPIO_INT_SET 0x64
#define BD9571MWV_GPIO_INT 0x65
#define BD9571MWV_GPIO_INTMASK 0x66
+#define BD9574MWF_GPIO_MUX 0x67

#define BD9571MWV_REG_KEEP(n) (0x70 + (n))

@@ -70,6 +73,8 @@
#define BD9571MWV_PROT_ERROR_STATUS2 0x83
#define BD9571MWV_PROT_ERROR_STATUS3 0x84
#define BD9571MWV_PROT_ERROR_STATUS4 0x85
+#define BD9574MWF_PROT_ERROR_STATUS5 0x86
+#define BD9574MWF_SYSTEM_ERROR_STATUS 0x87

#define BD9571MWV_INT_INTREQ 0x90
#define BD9571MWV_INT_INTREQ_MD1_INT BIT(0)
@@ -82,6 +87,12 @@
#define BD9571MWV_INT_INTREQ_BKUP_TRG_INT BIT(7)
#define BD9571MWV_INT_INTMASK 0x91

+#define BD9574MWF_SSCG_CNT 0xA0
+#define BD9574MWF_POFFB_MRB 0xA1
+#define BD9574MWF_SMRB_WR_PROT 0xA2
+#define BD9574MWF_SMRB_ASSERT 0xA3
+#define BD9574MWF_SMRB_STATUS 0xA4
+
#define BD9571MWV_ACCESS_KEY 0xff

/* Define the BD9571MWV IRQ numbers */
@@ -91,7 +102,7 @@ enum bd9571mwv_irqs {
BD9571MWV_IRQ_MD2_E2,
BD9571MWV_IRQ_PROT_ERR,
BD9571MWV_IRQ_GP,
- BD9571MWV_IRQ_128H_OF,
+ BD9571MWV_IRQ_128H_OF, /* BKUP_HOLD on BD9574MWF */
BD9571MWV_IRQ_WDT_OF,
BD9571MWV_IRQ_BKUP_TRG,
};
--
2.7.4

Next message: Yoshihiro Shimoda: "[PATCH v7 10/12] mfd: bd9571mwv: Use devm_regmap_add_irq_chip()"
Previous message: Yoshihiro Shimoda: "[PATCH v7 11/12] mfd: bd9571mwv: Make the driver more generic"
In reply to: Lee Jones: "Re: [PATCH v7 11/12] mfd: bd9571mwv: Make the driver more generic"
Next in thread: Yoshihiro Shimoda: "[PATCH v7 10/12] mfd: bd9571mwv: Use devm_regmap_add_irq_chip()"
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