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MFD: MAX77693: add MAX77693 MFD driver

PATCH Applied Chanwoo Choi 2 participants 3 messages May 14, 2012

Subsystems (2)
Multifunction devices (MFD) Maxim PMIC and MUIC drivers for Exynos based boards
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Chanwoo Choi

author maintainer
#0 lore raw

PATCH v4 1/2 MFD: MAX77693: add MAX77693 MFD driver

This patch adds MFD driver for MAX77693 to enable its sub devices.

The MAX77693 is a multi-function devices. It includes PMIC, MUIC(Micro USB Interface Controller), flash LED control and haptic motor control.

Signed-off-by Chanwoo Choi <[email protected]>
Signed-off-by Myungjoo Ham <[email protected]>
Signed-off-by Kyungmin Park <[email protected]>
---
 drivers/mfd/Kconfig                  |   12 ++
 drivers/mfd/Makefile                 |    1 +
 drivers/mfd/max77693.c               |  217 ++++++++++++++++++++++++++++++++++
 include/linux/mfd/max77693-private.h |  217 ++++++++++++++++++++++++++++++++++
 include/linux/mfd/max77693.h         |   37 ++++++
 5 files changed, 484 insertions(+), 0 deletions(-)
 create mode 100644 drivers/mfd/max77693.c
 create mode 100644 include/linux/mfd/max77693-private.h
 create mode 100644 include/linux/mfd/max77693.h
drivers/mfd/Kconfig +12 -0
index 11e4438..a8619eb 100644
@@ -452,6 +452,18 @@ config MFD_S5M_CORE
 	 additional drivers must be enabled in order to use the functionality
 	 of the device
 
+config MFD_MAX77693
+	bool "Maxim Semiconductor MAX77693 PMIC Support"
+	depends on I2C=y && GENERIC_HARDIRQS
+	select MFD_CORE
+	help
+	  Say yes here to support for Maxim Semiconductor MAX77693.
+	  This is a companion Power Management IC with Flash, Haptic, Charger,
+	  and MUIC(Micro USB Interface Controller) controls on chip.
+	  This driver provides common support for accessing the device;
+	  additional drivers must be enabled in order to use the functionality
+	  of the device.
+
 config MFD_WM8400
 	tristate "Support Wolfson Microelectronics WM8400"
 	select MFD_CORE
drivers/mfd/Makefile +1 -0
index 05fa538..ae18cf1 100644
@@ -79,6 +79,7 @@ max8925-objs			:= max8925-core.o max8925-i2c.o
 obj-$(CONFIG_MFD_MAX8925)	+= max8925.o
 obj-$(CONFIG_MFD_MAX8997)	+= max8997.o max8997-irq.o
 obj-$(CONFIG_MFD_MAX8998)	+= max8998.o max8998-irq.o
+obj-$(CONFIG_MFD_MAX77693)	+= max77693.o
 
 pcf50633-objs			:= pcf50633-core.o pcf50633-irq.o
 obj-$(CONFIG_MFD_PCF50633)	+= pcf50633.o
drivers/mfd/max77693.c new file +217 -0

217 lines not on this page · raw message

include/linux/mfd/max77693-private.h new file +217 -0

217 lines not on this page · raw message

include/linux/mfd/max77693.h new file +37 -0
new file mode 100644
index 0000000..5020b86
@@ -0,0 +1,37 @@
+/*
+ * max77693.h - Driver for the Maxim 77693
+ *
+ *  Copyright (C) 2012 Samsung Electrnoics
+ *  SangYoung Son <[email protected]>
+ *
+ * This program is not provided / owned by Maxim Integrated Products.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * This driver is based on max8997.h
+ *
+ * MAX77693 has PMIC, Charger, Flash LED, Haptic, MUIC devices.
+ * The devices share the same I2C bus and included in
+ * this mfd driver.
+ */
+
+#ifndef __LINUX_MFD_MAX77693_H
+#define __LINUX_MFD_MAX77693_H
+
+struct max77693_platform_data {
+	/* IRQ */
+	int wakeup;
+};
+#endif	/* __LINUX_MFD_MAX77693_H */
Signature · 1 line
1.7.0.4
Reviewed-by on v4 1/2
#1 lore raw
Quoted 5 lines · Chanwoo Choi

This patch adds MFD driver for MAX77693 to enable its sub devices.

The MAX77693 is a multi-function devices. It includes PMIC, MUIC(Micro USB Interface Controller), flash LED control and haptic motor control.

Reviewed-by Mark Brown <[email protected]>
author maintainer
#2 lore raw

Hi Mark,

Quoted 8 lines · Mark Brown
Quoted 5 lines · Chanwoo Choi

This patch adds MFD driver for MAX77693 to enable its sub devices.

The MAX77693 is a multi-function devices. It includes PMIC, MUIC(Micro USB Interface Controller), flash LED control and haptic motor control.

Reviewed-by Mark Brown <[email protected]>

Thank you for quickly your reply and detailed comment.

Best Regards,
Chanwoo Choi