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authorPhilippe Langlais <philippe.langlais@stericsson.com>2012-06-04 19:45:25 +0800
committerPhilippe Langlais <philippe.langlais@stericsson.com>2012-06-04 19:45:25 +0800
commit137b939337b44c446e31414d5782e16006fb256c (patch)
tree017e337a7d4922628fedc683b050c5d3714a194f /arch
parentaede9c200012ac488f5973ff6edca1392a254914 (diff)
parent441386c9d8d142c903361360065cbbe2fbe57a6b (diff)
Merge topic branch 'gpio' into integration-linux-ux500
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/Kconfig2
-rw-r--r--arch/arm/mach-ux500/include/mach/gpio.h24
-rw-r--r--arch/arm/plat-nomadik/include/plat/gpio-nomadik.h88
3 files changed, 25 insertions, 89 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 275ac0dd1e8..2e1b250151a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1615,7 +1615,7 @@ config LOCAL_TIMERS
config ARCH_NR_GPIO
int
default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
- default 355 if ARCH_U8500
+ default 366 if ARCH_U8500
default 264 if MACH_H4700
default 0
help
diff --git a/arch/arm/mach-ux500/include/mach/gpio.h b/arch/arm/mach-ux500/include/mach/gpio.h
index c01ef66537f..e0d903af605 100644
--- a/arch/arm/mach-ux500/include/mach/gpio.h
+++ b/arch/arm/mach-ux500/include/mach/gpio.h
@@ -1,5 +1,29 @@
#ifndef __ASM_ARCH_GPIO_H
#define __ASM_ARCH_GPIO_H
+/*
+ * 288 (#267 is the highest one actually hooked up) onchip GPIOs, plus enough
+ * room for a couple of GPIO expanders.
+ */
+
+#if CONFIG_ARCH_NR_GPIO > 0
+#define ARCH_NR_GPIOS CONFIG_ARCH_NR_GPIO
+#else
+#define ARCH_NR_GPIOS 366
+#endif
+
+#define NOMADIK_NR_GPIO 288
+
+#include <asm-generic/gpio.h>
+
+/* Invoke gpiolibs gpio_chip abstraction */
+#define gpio_get_value __gpio_get_value
+#define gpio_set_value __gpio_set_value
+#define gpio_cansleep __gpio_cansleep
+#define gpio_to_irq __gpio_to_irq
+
+#define MOP500_EGPIO(x) (NOMADIK_NR_GPIO + (x))
+#define MOP500_EGPIO_END MOP500_EGPIO(24)
+#define AB8500_GPIO_BASE MOP500_EGPIO_END
#endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/plat-nomadik/include/plat/gpio-nomadik.h b/arch/arm/plat-nomadik/include/plat/gpio-nomadik.h
deleted file mode 100644
index 9605bf227df..00000000000
--- a/arch/arm/plat-nomadik/include/plat/gpio-nomadik.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
- * 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_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 */