gpio: driver for 42 AB8500 GPIO pins
To get rid of port expanders, the free GPIOs of ab8500
can be used. There are 42 GPIO pins. Out of which 16
are interrupt capable.This patch implements 16 virtual
IRQ mapped to 16 interrupt capable AB8500 GPIOs.
Signed-off-by: Bibek Basu <bibek.basu@stericsson.com>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
[Renamed header file as per MFD structure]
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/include/linux/mfd/ab8500.h b/include/linux/mfd/ab8500.h
index 6e4f77e..b318430 100644
--- a/include/linux/mfd/ab8500.h
+++ b/include/linux/mfd/ab8500.h
@@ -74,6 +74,45 @@
#define AB8500_INT_ACC_DETECT_21DB_F 37
#define AB8500_INT_ACC_DETECT_21DB_R 38
#define AB8500_INT_GP_SW_ADC_CONV_END 39
+#define AB8500_INT_ACC_DETECT_1DB_F 33
+#define AB8500_INT_ACC_DETECT_1DB_R 34
+#define AB8500_INT_ACC_DETECT_22DB_F 35
+#define AB8500_INT_ACC_DETECT_22DB_R 36
+#define AB8500_INT_ACC_DETECT_21DB_F 37
+#define AB8500_INT_ACC_DETECT_21DB_R 38
+#define AB8500_INT_GP_SW_ADC_CONV_END 39
+#define AB8500_INT_GPIO6R 40
+#define AB8500_INT_GPIO7R 41
+#define AB8500_INT_GPIO8R 42
+#define AB8500_INT_GPIO9R 43
+#define AB8500_INT_GPIO10R 44
+#define AB8500_INT_GPIO11R 45
+#define AB8500_INT_GPIO12R 46
+#define AB8500_INT_GPIO13R 47
+#define AB8500_INT_GPIO24R 48
+#define AB8500_INT_GPIO25R 49
+#define AB8500_INT_GPIO36R 50
+#define AB8500_INT_GPIO37R 51
+#define AB8500_INT_GPIO38R 52
+#define AB8500_INT_GPIO39R 53
+#define AB8500_INT_GPIO40R 54
+#define AB8500_INT_GPIO41R 55
+#define AB8500_INT_GPIO6F 56
+#define AB8500_INT_GPIO7F 57
+#define AB8500_INT_GPIO8F 58
+#define AB8500_INT_GPIO9F 59
+#define AB8500_INT_GPIO10F 60
+#define AB8500_INT_GPIO11F 61
+#define AB8500_INT_GPIO12F 62
+#define AB8500_INT_GPIO13F 63
+#define AB8500_INT_GPIO24F 64
+#define AB8500_INT_GPIO25F 65
+#define AB8500_INT_GPIO36F 66
+#define AB8500_INT_GPIO37F 67
+#define AB8500_INT_GPIO38F 68
+#define AB8500_INT_GPIO39F 69
+#define AB8500_INT_GPIO40F 70
+#define AB8500_INT_GPIO41F 71
#define AB8500_INT_ADP_SOURCE_ERROR 72
#define AB8500_INT_ADP_SINK_ERROR 73
#define AB8500_INT_ADP_PROBE_PLUG 74
@@ -141,6 +180,7 @@
struct regulator_reg_init;
struct regulator_init_data;
+struct ab8500_gpio_platform_data;
/**
* struct ab8500_platform_data - AB8500 platform data
@@ -158,6 +198,7 @@
struct ab8500_regulator_reg_init *regulator_reg_init;
int num_regulator;
struct regulator_init_data *regulator;
+ struct ab8500_gpio_platform_data *gpio;
};
extern int __devinit ab8500_init(struct ab8500 *ab8500);
diff --git a/include/linux/mfd/ab8500/gpio.h b/include/linux/mfd/ab8500/gpio.h
new file mode 100644
index 0000000..488a8c9
--- /dev/null
+++ b/include/linux/mfd/ab8500/gpio.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright ST-Ericsson 2010.
+ *
+ * Author: Bibek Basu <bibek.basu@stericsson.com>
+ * Licensed under GPLv2.
+ */
+
+#ifndef _AB8500_GPIO_H
+#define _AB8500_GPIO_H
+
+/*
+ * Platform data to register a block: only the initial gpio/irq number.
+ */
+
+struct ab8500_gpio_platform_data {
+ int gpio_base;
+ u32 irq_base;
+ u8 config_reg[7];
+};
+
+#endif /* _AB8500_GPIO_H */