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Message-Id: <20240308103455.242705-4-bhargav.r@ltts.com>
Date: Fri, 8 Mar 2024 16:04:47 +0530
From: Bhargav Raviprakash <bhargav.r@...s.com>
To: linux-kernel@...r.kernel.org
Cc: m.nirmaladevi@...s.com,
lee@...nel.org,
robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org,
conor+dt@...nel.org,
jpanis@...libre.com,
devicetree@...r.kernel.org,
arnd@...db.de,
gregkh@...uxfoundation.org,
lgirdwood@...il.com,
broonie@...nel.org,
linus.walleij@...aro.org,
linux-gpio@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
nm@...com,
vigneshr@...com,
kristo@...nel.org,
eblanc@...libre.com,
Bhargav Raviprakash <bhargav.r@...s.com>
Subject: [PATCH v3 03/11] mfd: tps6594: add regmap config in match data
Introduces a new struct tps6594_match_data. This struct holds fields for
chip id and regmap config. Using this struct in of_device_id data field.
This helps in adding support for TPS65224 PMIC.
Signed-off-by: Bhargav Raviprakash <bhargav.r@...s.com>
Acked-by: Julien Panis <jpanis@...libre.com>
---
drivers/mfd/tps6594-i2c.c | 24 ++++++++++++++++--------
drivers/mfd/tps6594-spi.c | 24 ++++++++++++++++--------
include/linux/mfd/tps6594.h | 11 +++++++++++
3 files changed, 43 insertions(+), 16 deletions(-)
diff --git a/drivers/mfd/tps6594-i2c.c b/drivers/mfd/tps6594-i2c.c
index c125b474b..e80e0af2b 100644
--- a/drivers/mfd/tps6594-i2c.c
+++ b/drivers/mfd/tps6594-i2c.c
@@ -192,10 +192,16 @@ static const struct regmap_config tps6594_i2c_regmap_config = {
.write = tps6594_i2c_write,
};
+static const struct tps6594_match_data match_data[] = {
+ [TPS6594] = {TPS6594, &tps6594_i2c_regmap_config},
+ [TPS6593] = {TPS6593, &tps6594_i2c_regmap_config},
+ [LP8764] = {LP8764, &tps6594_i2c_regmap_config},
+};
+
static const struct of_device_id tps6594_i2c_of_match_table[] = {
- { .compatible = "ti,tps6594-q1", .data = (void *)TPS6594, },
- { .compatible = "ti,tps6593-q1", .data = (void *)TPS6593, },
- { .compatible = "ti,lp8764-q1", .data = (void *)LP8764, },
+ { .compatible = "ti,tps6594-q1", .data = (void *)&match_data[TPS6594], },
+ { .compatible = "ti,tps6593-q1", .data = (void *)&match_data[TPS6593], },
+ { .compatible = "ti,lp8764-q1", .data = (void *)&match_data[LP8764], },
{}
};
MODULE_DEVICE_TABLE(of, tps6594_i2c_of_match_table);
@@ -205,6 +211,7 @@ static int tps6594_i2c_probe(struct i2c_client *client)
struct device *dev = &client->dev;
struct tps6594 *tps;
const struct of_device_id *match;
+ const struct tps6594_match_data *mdata;
tps = devm_kzalloc(dev, sizeof(*tps), GFP_KERNEL);
if (!tps)
@@ -216,14 +223,15 @@ static int tps6594_i2c_probe(struct i2c_client *client)
tps->reg = client->addr;
tps->irq = client->irq;
- tps->regmap = devm_regmap_init(dev, NULL, client, &tps6594_i2c_regmap_config);
- if (IS_ERR(tps->regmap))
- return dev_err_probe(dev, PTR_ERR(tps->regmap), "Failed to init regmap\n");
-
match = of_match_device(tps6594_i2c_of_match_table, dev);
if (!match)
return dev_err_probe(dev, -EINVAL, "Failed to find matching chip ID\n");
- tps->chip_id = (unsigned long)match->data;
+ mdata = (struct tps6594_match_data *)match->data;
+ tps->chip_id = mdata->chip_id;
+
+ tps->regmap = devm_regmap_init(dev, NULL, client, mdata->config);
+ if (IS_ERR(tps->regmap))
+ return dev_err_probe(dev, PTR_ERR(tps->regmap), "Failed to init regmap\n");
crc8_populate_msb(tps6594_i2c_crc_table, TPS6594_CRC8_POLYNOMIAL);
diff --git a/drivers/mfd/tps6594-spi.c b/drivers/mfd/tps6594-spi.c
index 5afb1736f..b9428dc12 100644
--- a/drivers/mfd/tps6594-spi.c
+++ b/drivers/mfd/tps6594-spi.c
@@ -77,10 +77,16 @@ static const struct regmap_config tps6594_spi_regmap_config = {
.use_single_write = true,
};
+static const struct tps6594_match_data match_data[] = {
+ [TPS6594] = {TPS6594, &tps6594_spi_regmap_config},
+ [TPS6593] = {TPS6593, &tps6594_spi_regmap_config},
+ [LP8764] = {LP8764, &tps6594_spi_regmap_config},
+};
+
static const struct of_device_id tps6594_spi_of_match_table[] = {
- { .compatible = "ti,tps6594-q1", .data = (void *)TPS6594, },
- { .compatible = "ti,tps6593-q1", .data = (void *)TPS6593, },
- { .compatible = "ti,lp8764-q1", .data = (void *)LP8764, },
+ { .compatible = "ti,tps6594-q1", .data = (void *)&match_data[TPS6594], },
+ { .compatible = "ti,tps6593-q1", .data = (void *)&match_data[TPS6593], },
+ { .compatible = "ti,lp8764-q1", .data = (void *)&match_data[LP8764], },
{}
};
MODULE_DEVICE_TABLE(of, tps6594_spi_of_match_table);
@@ -90,6 +96,7 @@ static int tps6594_spi_probe(struct spi_device *spi)
struct device *dev = &spi->dev;
struct tps6594 *tps;
const struct of_device_id *match;
+ const struct tps6594_match_data *mdata;
tps = devm_kzalloc(dev, sizeof(*tps), GFP_KERNEL);
if (!tps)
@@ -101,14 +108,15 @@ static int tps6594_spi_probe(struct spi_device *spi)
tps->reg = spi_get_chipselect(spi, 0);
tps->irq = spi->irq;
- tps->regmap = devm_regmap_init(dev, NULL, spi, &tps6594_spi_regmap_config);
- if (IS_ERR(tps->regmap))
- return dev_err_probe(dev, PTR_ERR(tps->regmap), "Failed to init regmap\n");
-
match = of_match_device(tps6594_spi_of_match_table, dev);
if (!match)
return dev_err_probe(dev, -EINVAL, "Failed to find matching chip ID\n");
- tps->chip_id = (unsigned long)match->data;
+ mdata = (struct tps6594_match_data *)match->data;
+ tps->chip_id = mdata->chip_id;
+
+ tps->regmap = devm_regmap_init(dev, NULL, spi, mdata->config);
+ if (IS_ERR(tps->regmap))
+ return dev_err_probe(dev, PTR_ERR(tps->regmap), "Failed to init regmap\n");
crc8_populate_msb(tps6594_spi_crc_table, TPS6594_CRC8_POLYNOMIAL);
diff --git a/include/linux/mfd/tps6594.h b/include/linux/mfd/tps6594.h
index 6c5a2889f..615529591 100644
--- a/include/linux/mfd/tps6594.h
+++ b/include/linux/mfd/tps6594.h
@@ -1344,6 +1344,17 @@ struct tps6594 {
struct regmap_irq_chip_data *irq_data;
};
+/**
+ * struct tps6594_match_data - of match data of PMIC
+ *
+ * @chip_id: chip ID of PMIC
+ * @config: regmap config of PMIC
+ */
+struct tps6594_match_data {
+ unsigned long chip_id;
+ const struct regmap_config *config;
+};
+
extern const struct regmap_access_table tps6594_volatile_table;
extern const struct regmap_access_table tps65224_volatile_table;
--
2.25.1
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