linux-kernel - [PATCH v4 5/9] mfd: simple-mfd-i2c: Add support for tsd,mule

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Date: Tue, 18 Jun 2024 18:06:47 +0200
From: Farouk Bouabid <farouk.bouabid@...rry.de>
To: Jean Delvare <jdelvare@...e.com>, Guenter Roeck <linux@...ck-us.net>, 
 Andi Shyti <andi.shyti@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>, 
 Farouk Bouabid <farouk.bouabid@...rry.de>, 
 Quentin Schulz <quentin.schulz@...rry.de>, Peter Rosin <peda@...ntia.se>, 
 Heiko Stuebner <heiko@...ech.de>
Cc: linux-hwmon@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-i2c@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org
Subject: [PATCH v4 5/9] mfd: simple-mfd-i2c: Add support for tsd,mule

Mule is an MCU that emulates a set of I2C devices, among which an amc6821
device and an I2C mux that exposes more emulated devices. These two devices
share the same I2C address. Only the I2C mux uses register (0xff) as a
config register.

Add a simple-mfd-i2c driver support for these two sub-devices.

Signed-off-by: Farouk Bouabid <farouk.bouabid@...rry.de>
---
 drivers/mfd/simple-mfd-i2c.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c
index 6eda79533208..1c5853868022 100644
--- a/drivers/mfd/simple-mfd-i2c.c
+++ b/drivers/mfd/simple-mfd-i2c.c
@@ -88,6 +88,7 @@ static const struct of_device_id simple_mfd_i2c_of_match[] = {
 	{ .compatible = "silergy,sy7636a", .data = &silergy_sy7636a},
 	{ .compatible = "maxim,max5970", .data = &maxim_max5970},
 	{ .compatible = "maxim,max5978", .data = &maxim_max5970},
+	{ .compatible = "tsd,mule" },
 	{}
 };
 MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match);

-- 
2.34.1