linux-kernel - [PATCH 4/6] mfd: bcm590xx: Add compatible for BCM59054

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Message-Id: <20231030-bcm59054-v1-4-3517f980c1e3@gmail.com>
Date:   Mon, 30 Oct 2023 20:36:41 +0100
From:   Artur Weber <aweber.kernel@...il.com>
To:     Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Florian Fainelli <florian.fainelli@...adcom.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>
Cc:     Stanislav Jakubek <stano.jakubek@...il.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        Artur Weber <aweber.kernel@...il.com>
Subject: [PATCH 4/6] mfd: bcm590xx: Add compatible for BCM59054

The BCM59056 supported by the bcm590xx driver is similar to the
BCM59054 MFD. Add a compatible for it in the driver, in preparation
for adding support for this chip in the bcm590xx regulator driver.

Signed-off-by: Artur Weber <aweber.kernel@...il.com>
---
 drivers/mfd/bcm590xx.c       | 5 ++++-
 include/linux/mfd/bcm590xx.h | 7 +++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/bcm590xx.c b/drivers/mfd/bcm590xx.c
index 92eede9a5e61..f5c5fa97ca9a 100644
--- a/drivers/mfd/bcm590xx.c
+++ b/drivers/mfd/bcm590xx.c
@@ -50,6 +50,8 @@ static int bcm590xx_i2c_probe(struct i2c_client *i2c_pri)
 	bcm590xx->dev = &i2c_pri->dev;
 	bcm590xx->i2c_pri = i2c_pri;
 
+	bcm590xx->device_type = (unsigned int)of_device_get_match_data(bcm590xx->dev);
+
 	bcm590xx->regmap_pri = devm_regmap_init_i2c(i2c_pri,
 						 &bcm590xx_regmap_config_pri);
 	if (IS_ERR(bcm590xx->regmap_pri)) {
@@ -91,7 +93,8 @@ static int bcm590xx_i2c_probe(struct i2c_client *i2c_pri)
 }
 
 static const struct of_device_id bcm590xx_of_match[] = {
-	{ .compatible = "brcm,bcm59056" },
+	{ .compatible = "brcm,bcm59054", .data = (void *)BCM59054_TYPE },
+	{ .compatible = "brcm,bcm59056", .data = (void *)BCM59056_TYPE },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, bcm590xx_of_match);
diff --git a/include/linux/mfd/bcm590xx.h b/include/linux/mfd/bcm590xx.h
index 6b8791da6119..ed0d8be6387c 100644
--- a/include/linux/mfd/bcm590xx.h
+++ b/include/linux/mfd/bcm590xx.h
@@ -13,12 +13,19 @@
 #include <linux/i2c.h>
 #include <linux/regmap.h>
 
+/* device types */
+enum {
+	BCM59054_TYPE,
+	BCM59056_TYPE,
+};
+
 /* max register address */
 #define BCM590XX_MAX_REGISTER_PRI	0xe7
 #define BCM590XX_MAX_REGISTER_SEC	0xf0
 
 struct bcm590xx {
 	struct device *dev;
+	unsigned int device_type;
 	struct i2c_client *i2c_pri;
 	struct i2c_client *i2c_sec;
 	struct regmap *regmap_pri;

-- 
2.42.0