[PATCH v6 6/6] mfd: motorola-cpcap: add support for Mot CPCAP composition

[Svyatoslav Ryhel]

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

Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx>
---
 drivers/mfd/motorola-cpcap.c       | 20 +++++++++++++++++++-
 include/linux/mfd/motorola-cpcap.h |  1 +
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/drivers/mfd/motorola-cpcap.c b/drivers/mfd/motorola-cpcap.c
index 5b6ca6b81c23..f6198276d266 100644
--- a/drivers/mfd/motorola-cpcap.c
+++ b/drivers/mfd/motorola-cpcap.c
@@ -237,7 +237,6 @@ static const struct mfd_cell cpcap_common_devices[] = {
 	MFD_CELL_OF("cpcap-led", NULL, NULL, 0, 1, "motorola,cpcap-led-green"),
 	MFD_CELL_OF("cpcap-led", NULL, NULL, 0, 2, "motorola,cpcap-led-blue"),
 	MFD_CELL_OF("cpcap-led", NULL, NULL, 0, 3, "motorola,cpcap-led-adl"),
-	MFD_CELL_OF("cpcap-led", NULL, NULL, 0, 4, "motorola,cpcap-led-cp"),
 	MFD_CELL_NAME("cpcap-codec"),
 };
 
@@ -245,6 +244,7 @@ static const struct mfd_cell cpcap_default_devices[] = {
 	MFD_CELL_OF("cpcap_adc", NULL, NULL, 0, 0, "motorola,cpcap-adc"),
 	MFD_CELL_OF("cpcap-regulator", NULL, NULL, 0, 0, "motorola,cpcap-regulator"),
 	MFD_CELL_OF("cpcap-usb-phy", NULL, NULL, 0, 0, "motorola,cpcap-usb-phy"),
+	MFD_CELL_OF("cpcap-led", NULL, NULL, 0, 4, "motorola,cpcap-led-cp"),
 };
 
 static const struct mfd_cell cpcap_mapphone_devices[] = {
@@ -252,6 +252,18 @@ static const struct mfd_cell cpcap_mapphone_devices[] = {
 	MFD_CELL_OF("cpcap-charger", NULL, NULL, 0, 0, "motorola,mapphone-cpcap-charger"),
 	MFD_CELL_OF("cpcap-regulator", NULL, NULL, 0, 0, "motorola,mapphone-cpcap-regulator"),
 	MFD_CELL_OF("cpcap-usb-phy", NULL, NULL, 0, 0, "motorola,mapphone-cpcap-usb-phy"),
+	MFD_CELL_OF("cpcap-led", NULL, NULL, 0, 4, "motorola,cpcap-led-cp"),
+};
+
+/*
+ * 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_devices[] = {
+	MFD_CELL_OF("cpcap_adc", NULL, NULL, 0, 0, "motorola,mot-cpcap-adc"),
+	MFD_CELL_OF("cpcap-regulator", NULL, NULL, 0, 0, "motorola,mot-cpcap-regulator"),
 };
 
 static int cpcap_probe(struct spi_device *spi)
@@ -276,6 +288,10 @@ static int cpcap_probe(struct spi_device *spi)
 		cells = cpcap_mapphone_devices;
 		num_cells = ARRAY_SIZE(cpcap_mapphone_devices);
 		break;
+	case CPCAP_MOT:
+		cells = cpcap_mot_devices;
+		num_cells = ARRAY_SIZE(cpcap_mot_devices);
+		break;
 	default:
 		return dev_err_probe(&spi->dev, -ENODEV,
 				     "Unknown device %d\n", cpcap->variant);
@@ -327,6 +343,7 @@ static int cpcap_probe(struct spi_device *spi)
 static const struct of_device_id cpcap_of_match[] = {
 	{ .compatible = "motorola,cpcap", .data = (void *)CPCAP_DEFAULT },
 	{ .compatible = "motorola,mapphone-cpcap", .data = (void *)CPCAP_MAPPHONE },
+	{ .compatible = "motorola,mot-cpcap", .data = (void *)CPCAP_MOT },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, cpcap_of_match);
@@ -334,6 +351,7 @@ MODULE_DEVICE_TABLE(of, cpcap_of_match);
 static const struct spi_device_id cpcap_spi_ids[] = {
 	{ "cpcap", CPCAP_DEFAULT },
 	{ "mapphone-cpcap", CPCAP_MAPPHONE },
+	{ "mot-cpcap", CPCAP_MOT },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(spi, cpcap_spi_ids);
diff --git a/include/linux/mfd/motorola-cpcap.h b/include/linux/mfd/motorola-cpcap.h
index 1a85b06272c8..bb23363eeccd 100644
--- a/include/linux/mfd/motorola-cpcap.h
+++ b/include/linux/mfd/motorola-cpcap.h
@@ -28,6 +28,7 @@
 enum cpcap_variant {
 	CPCAP_DEFAULT = 1,
 	CPCAP_MAPPHONE,
+	CPCAP_MOT,
 	CPCAP_MAX
 };
 
-- 
2.51.0