Merge topic branch 'gpio' into integration-linux-ux500

2 files changed, 167 insertions, 0 deletions

diff --git a/include/linux/gpio/nomadik.h b/include/linux/gpio/nomadik.h
new file mode 100644
index 00000000000..3e8b7f16fb7
--- /dev/null
+++ b/include/linux/gpio/nomadik.h
@@ -0,0 +1,89 @@
+/*
+ * Structures and registers for GPIO access in the Nomadik SoC
+ *
+ * Copyright (C) 2008 STMicroelectronics
+ *     Author: Prafulla WADASKAR <prafulla.wadaskar@st.com>
+ * Copyright (C) 2009 Alessandro Rubini <rubini@unipv.it>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __PLAT_NOMADIK_GPIO
+#define __PLAT_NOMADIK_GPIO
+
+/*
+ * "nmk_gpio" and "NMK_GPIO" stand for "Nomadik GPIO", leaving
+ * the "gpio" namespace for generic and cross-machine functions
+ */
+
+/* Register in the logic block */
+#define NMK_GPIO_DAT	0x00
+#define NMK_GPIO_DATS	0x04
+#define NMK_GPIO_DATC	0x08
+#define NMK_GPIO_PDIS	0x0c
+#define NMK_GPIO_DIR	0x10
+#define NMK_GPIO_DIRS	0x14
+#define NMK_GPIO_DIRC	0x18
+#define NMK_GPIO_SLPC	0x1c
+#define NMK_GPIO_AFSLA	0x20
+#define NMK_GPIO_AFSLB	0x24
+#define NMK_GPIO_LOWEMI	0x28
+
+#define NMK_GPIO_RIMSC	0x40
+#define NMK_GPIO_FIMSC	0x44
+#define NMK_GPIO_IS	0x48
+#define NMK_GPIO_IC	0x4c
+#define NMK_GPIO_RWIMSC	0x50
+#define NMK_GPIO_FWIMSC	0x54
+#define NMK_GPIO_WKS	0x58
+
+/* Alternate functions: function C is set in hw by setting both A and B */
+#define NMK_GPIO_ALT_GPIO	0
+#define NMK_GPIO_ALT_A	1
+#define NMK_GPIO_ALT_B	2
+#define NMK_GPIO_ALT_C	(NMK_GPIO_ALT_A | NMK_GPIO_ALT_B)
+
+/* Pull up/down values */
+enum nmk_gpio_pull {
+	NMK_GPIO_PULL_NONE,
+	NMK_GPIO_PULL_UP,
+	NMK_GPIO_PULL_DOWN,
+};
+
+/* Sleep mode */
+enum nmk_gpio_slpm {
+	NMK_GPIO_SLPM_INPUT,
+	NMK_GPIO_SLPM_WAKEUP_ENABLE = NMK_GPIO_SLPM_INPUT,
+	NMK_GPIO_SLPM_NOCHANGE,
+	NMK_GPIO_SLPM_WAKEUP_DISABLE = NMK_GPIO_SLPM_NOCHANGE,
+};
+
+extern int nmk_gpio_set_slpm(int gpio, enum nmk_gpio_slpm mode);
+extern int nmk_gpio_set_pull(int gpio, enum nmk_gpio_pull pull);
+extern int nmk_gpio_set_mode(int gpio, int gpio_mode);
+extern int nmk_gpio_get_mode(int gpio);
+
+extern void nmk_gpio_wakeups_suspend(void);
+extern void nmk_gpio_wakeups_resume(void);
+
+extern void nmk_gpio_clocks_enable(void);
+extern void nmk_gpio_clocks_disable(void);
+
+extern void nmk_gpio_read_pull(int gpio_bank, u32 *pull_up);
+
+/*
+ * Platform data to register a block: only the initial gpio/irq number.
+ */
+struct nmk_gpio_platform_data {
+	char *name;
+	int first_gpio;
+	int first_irq;
+	int num_gpio;
+	u32 (*get_secondary_status)(unsigned int bank);
+	void (*set_ioforce)(bool enable);
+	bool supports_sleepmode;
+};
+
+#endif /* __PLAT_NOMADIK_GPIO */
diff --git a/include/linux/mfd/abx500/ab8500-gpio.h b/include/linux/mfd/abx500/ab8500-gpio.h
index 2387c207ea8..67ac32c1dcb 100644
--- a/include/linux/mfd/abx500/ab8500-gpio.h
+++ b/include/linux/mfd/abx500/ab8500-gpio.h
@@ -8,6 +8,8 @@
 #ifndef _AB8500_GPIO_H
 #define _AB8500_GPIO_H
 
+#include <mach/gpio.h>
+
 /*
  * Platform data to register a block: only the initial gpio/irq number.
  * Array sizes are large enough to contain all AB8500 and AB9540 GPIO
@@ -18,6 +20,82 @@ struct ab8500_gpio_platform_data {
 	int gpio_base;
 	u32 irq_base;
 	u8  config_reg[8];
+	u8  config_direction[7];
+	u8  config_pullups[7];
+};
+
+enum ab8500_pin {
+	AB8500_PIN_GPIO1 = AB8500_GPIO_BASE,
+	AB8500_PIN_GPIO2,
+	AB8500_PIN_GPIO3,
+	AB8500_PIN_GPIO4,
+	AB8500_PIN_GPIO5,
+	AB8500_PIN_GPIO6,
+	AB8500_PIN_GPIO7,
+	AB8500_PIN_GPIO8,
+	AB8500_PIN_GPIO9,
+	AB8500_PIN_GPIO10,
+	AB8500_PIN_GPIO11,
+	AB8500_PIN_GPIO12,
+	AB8500_PIN_GPIO13,
+	AB8500_PIN_GPIO14,
+	AB8500_PIN_GPIO15,
+	AB8500_PIN_GPIO16,
+	AB8500_PIN_GPIO17,
+	AB8500_PIN_GPIO18,
+	AB8500_PIN_GPIO19,
+	AB8500_PIN_GPIO20,
+	AB8500_PIN_GPIO21,
+	AB8500_PIN_GPIO22,
+	AB8500_PIN_GPIO23,
+	AB8500_PIN_GPIO24,
+	AB8500_PIN_GPIO25,
+	AB8500_PIN_GPIO26,
+	AB8500_PIN_GPIO27,
+	AB8500_PIN_GPIO28,
+	AB8500_PIN_GPIO29,
+	AB8500_PIN_GPIO30,
+	AB8500_PIN_GPIO31,
+	AB8500_PIN_GPIO32,
+	AB8500_PIN_GPIO33,
+	AB8500_PIN_GPIO34,
+	AB8500_PIN_GPIO35,
+	AB8500_PIN_GPIO36,
+	AB8500_PIN_GPIO37,
+	AB8500_PIN_GPIO38,
+	AB8500_PIN_GPIO39,
+	AB8500_PIN_GPIO40,
+	AB8500_PIN_GPIO41,
+	AB8500_PIN_GPIO42,
+	/* AB9540 GPIO extends support provided by AB8500 */
+	AB9540_PIN_GPIO43,
+	AB9540_PIN_GPIO44,
+	AB9540_PIN_GPIO45,
+	AB9540_PIN_GPIO46,
+	AB9540_PIN_GPIO47,
+	AB9540_PIN_GPIO48,
+	AB9540_PIN_GPIO49,
+	AB9540_PIN_GPIO50,
+	AB9540_PIN_GPIO51,
+	AB9540_PIN_GPIO52,
+	AB9540_PIN_GPIO53,
+	/*
+	 * AB9540_PIN_GPIO60 is configured, in the AB9540 GPIO registers, where
+	 * AB9540_PIN_GPIO54 would be expected. AB9540_PIN_GPIO54 to
+	 * AB9540_PIN_GPIO59 do not exist and no reserved space has been left
+	 * for them in the registers. Therefore the enum goes directly from
+	 * AB9540_PIN_GPIO53 to AB9540_PIN_GPIO60.
+	 */
+	AB9540_PIN_GPIO60,
 };
 
+int ab8500_config_pulldown(struct device *dev,
+				enum ab8500_pin gpio, bool enable);
+
+int ab8500_gpio_config_select(struct device *dev,
+				enum ab8500_pin gpio, bool gpio_select);
+
+int ab8500_gpio_config_get_select(struct device *dev,
+				enum ab8500_pin	gpio, bool *gpio_select);
+
 #endif /* _AB8500_GPIO_H */