mfd: PCF50633 gpio support

What the PCF05633 calls as a 'GPIO' is much more than the GPIO in the linux
sense and there are only 4 of them - which means, the gpiolib is not used
here.

Signed-off-by: Balaji Rao <balajirrao@openmoko.org>
Cc: Andy Green <andy@openmoko.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>

1 files changed, 52 insertions, 0 deletions

diff --git a/include/linux/mfd/pcf50633/gpio.h b/include/linux/mfd/pcf50633/gpio.h
new file mode 100644
index 000000000000..a42b845efc54
--- /dev/null
+++ b/include/linux/mfd/pcf50633/gpio.h
@@ -0,0 +1,52 @@
+/*
+ * gpio.h -- GPIO driver for NXP PCF50633
+ *
+ * (C) 2006-2008 by Openmoko, Inc.
+ * All rights reserved.
+ *
+ * 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.
+ */
+
+#ifndef __LINUX_MFD_PCF50633_GPIO_H
+#define __LINUX_MFD_PCF50633_GPIO_H
+
+#include <linux/mfd/pcf50633/core.h>
+
+#define PCF50633_GPIO1          1
+#define PCF50633_GPIO2          2
+#define PCF50633_GPIO3          3
+#define PCF50633_GPO            4
+
+#define PCF50633_REG_GPIO1CFG   0x14
+#define PCF50633_REG_GPIO2CFG   0x15
+#define PCF50633_REG_GPIO3CFG   0x16
+#define PCF50633_REG_GPOCFG     0x17
+
+#define PCF50633_GPOCFG_GPOSEL_MASK     0x07
+
+enum pcf50633_reg_gpocfg {
+        PCF50633_GPOCFG_GPOSEL_0        = 0x00,
+        PCF50633_GPOCFG_GPOSEL_LED_NFET = 0x01,
+        PCF50633_GPOCFG_GPOSEL_SYSxOK   = 0x02,
+        PCF50633_GPOCFG_GPOSEL_CLK32K   = 0x03,
+        PCF50633_GPOCFG_GPOSEL_ADAPUSB  = 0x04,
+        PCF50633_GPOCFG_GPOSEL_USBxOK   = 0x05,
+        PCF50633_GPOCFG_GPOSEL_ACTPH4   = 0x06,
+        PCF50633_GPOCFG_GPOSEL_1        = 0x07,
+        PCF50633_GPOCFG_GPOSEL_INVERSE  = 0x08,
+};
+
+int pcf50633_gpio_set(struct pcf50633 *pcf, int gpio, u8 val);
+u8 pcf50633_gpio_get(struct pcf50633 *pcf, int gpio);
+
+int pcf50633_gpio_invert_set(struct pcf50633 *, int gpio, int invert);
+int pcf50633_gpio_invert_get(struct pcf50633 *pcf, int gpio);
+
+int pcf50633_gpio_power_supply_set(struct pcf50633 *,
+                                        int gpio, int regulator, int on);
+#endif /* __LINUX_MFD_PCF50633_GPIO_H */
+
+