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authorPhilippe Langlais <philippe.langlais@linaro.org>2012-03-19 09:23:28 +0100
committerPhilippe Langlais <philippe.langlais@linaro.org>2012-03-19 09:23:28 +0100
commit7dff3eb2c92cc83407d911c3a69739362d926ead (patch)
tree3920930c7e2faf0cf5bffd993ac65a1e386c2e70 /include
parent95672cd1656bc5a45bb944f319547b3dbd32ee25 (diff)
parente0b399ab4555b9c6358d0bc7cd44938c3db7c163 (diff)
Merge topic branch 'gpio' into integration-linux-ux500-3.3
Diffstat (limited to 'include')
-rw-r--r--include/linux/gpio/nomadik.h89
-rw-r--r--include/linux/mfd/abx500/ab8500-gpio.h58
2 files changed, 147 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 488a8c920a2..d88e3025317 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.
*/
@@ -16,6 +18,62 @@ struct ab8500_gpio_platform_data {
int gpio_base;
u32 irq_base;
u8 config_reg[7];
+ u8 config_direction[6];
+ u8 config_pullups[6];
+};
+
+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,
};
+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 */