linux-kernel - [PATCH v2 11/11] mfd: motorola-cpcap: add support for Mot CPCAP composition

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Message-ID: <20260206172845.145407-12-clamor95@gmail.com>
Date: Fri,  6 Feb 2026 19:28:45 +0200
From: Svyatoslav Ryhel <clamor95@...il.com>
To: Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Andy Shevchenko <andy@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Lee Jones <lee@...nel.org>,
	Pavel Machek <pavel@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Mark Brown <broonie@...nel.org>,
	Svyatoslav Ryhel <clamor95@...il.com>,
	Dixit Parmar <dixitparmar19@...il.com>,
	Tony Lindgren <tony@...mide.com>
Cc: linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-input@...r.kernel.org,
	linux-leds@...r.kernel.org
Subject: [PATCH v2 11/11] mfd: motorola-cpcap: add support for Mot CPCAP composition

Add a MFD subdevice composition used in Tegra20 based Mot board
(Motorola Atrix 4G and Droid X2).

Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
---
 drivers/mfd/motorola-cpcap.c | 50 ++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c
index bea11868e823..d64c83614f12 100644
--- a/drivers/mfd/motorola-cpcap.c
+++ b/drivers/mfd/motorola-cpcap.c
@@ -206,6 +206,7 @@ static const struct spi_device_id cpcap_spi_ids[] = {
 	{ .name = "cpcap", },
 	{ .name = "6556002", },
 	{ .name = "mapphone-cpcap", },
+	{ .name = "mot-cpcap", },
 	{},
 };
 MODULE_DEVICE_TABLE(spi, cpcap_spi_ids);
@@ -343,6 +344,54 @@ static const struct cpcap_chip_data cpcap_mapphone_data = {
 	.num_devices = ARRAY_SIZE(cpcap_mapphone_mfd_devices),
 };
 
+/*
+ * The Mot board features a USB-PHY and charger similar to the ones in
+ * Mapphone; however, because Mot is based on Tegra20, it is incompatible
+ * with the existing implementation, which is tightly interconnected with
+ * the OMAP USB PHY.
+ */
+static const struct mfd_cell cpcap_mot_mfd_devices[] = {
+	{
+		.name          = "cpcap_adc",
+		.of_compatible = "motorola,mot-cpcap-adc",
+	}, {
+		.name          = "cpcap_battery",
+		.of_compatible = "motorola,cpcap-battery",
+	}, {
+		.name          = "cpcap-regulator",
+		.of_compatible = "motorola,mot-cpcap-regulator",
+	}, {
+		.name          = "cpcap-rtc",
+		.of_compatible = "motorola,cpcap-rtc",
+	}, {
+		.name          = "cpcap-pwrbutton",
+		.of_compatible = "motorola,cpcap-pwrbutton",
+	}, {
+		.name          = "cpcap-led",
+		.id            = 0,
+		.of_compatible = "motorola,cpcap-led-red",
+	}, {
+		.name          = "cpcap-led",
+		.id            = 1,
+		.of_compatible = "motorola,cpcap-led-green",
+	}, {
+		.name          = "cpcap-led",
+		.id            = 2,
+		.of_compatible = "motorola,cpcap-led-blue",
+	}, {
+		.name          = "cpcap-led",
+		.id            = 3,
+		.of_compatible = "motorola,cpcap-led-adl",
+	}, {
+		.name          = "cpcap-codec",
+	},
+};
+
+static const struct cpcap_chip_data cpcap_mot_data = {
+	.mfd_devices = cpcap_mot_mfd_devices,
+	.num_devices = ARRAY_SIZE(cpcap_mot_mfd_devices),
+};
+
 static int cpcap_probe(struct spi_device *spi)
 {
 	struct cpcap_ddata *cpcap;
@@ -398,6 +447,7 @@ static const struct of_device_id cpcap_of_match[] = {
 	{ .compatible = "motorola,cpcap", .data = &cpcap_default_data },
 	{ .compatible = "st,6556002", .data = &cpcap_default_data },
 	{ .compatible = "motorola,mapphone-cpcap", .data = &cpcap_mapphone_data	},
+	{ .compatible = "motorola,mot-cpcap", .data = &cpcap_mot_data },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, cpcap_of_match);
-- 
2.51.0