diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-27 06:39:10 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-10-27 06:39:10 (GMT) |
commit | ca90666287401b475d9e0becf85bd02f069f1de8 (patch) | |
tree | ad4dd789f8d5ab639c78997d3655b94fcbf660ef /arch/arm/mach-lpc32xx | |
parent | 60325f0c6ee7c6b68f95aaa643260fb33d4bdd88 (diff) | |
parent | 374e759db148d1e874e3afb76707082af67e0984 (diff) | |
download | linux-fsl-qoriq-ca90666287401b475d9e0becf85bd02f069f1de8.tar.xz |
Merge branch 'gpio' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
* 'gpio' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm: (43 commits)
ARM: 7135/1: ep93xx: bring back missing <mach/gpio.h>
ARM: 7104/1: plat-pxa: break out GPIO driver specifics
ARM: 7103/1: plat-pxa: move PXA GPIO driver to GPIO subsystem
ARM: 7042/3: mach-ep93xx: break out GPIO driver specifics
ARM: 7101/1: arm/tegra: Replace <mach/gpio.h> with <mach/gpio-tegra.h>
ARM: 7094/1: arm/tegra: Move EN_VDD_1V05_GPIO to board-harmony.h
ARM: 7083/1: rewrite U300 GPIO to use gpiolib
ARM: 7074/1: gpio: davinci: eliminate unused variable warnings
ARM: 7063/1: Orion: gpio: add missing include of linux/types.h
ARM: 7055/1: arm/tegra: mach/gpio.h: include linux/types.h to fix build
ARM: 7054/1: arm/tegra: Delete custom gpio_to_irq, and irq_to_gpio
ARM: 7053/1: gpio/tegra: Implement gpio_chip.to_irq
ARM: 7052/1: gpio/tegra: Remove use of irq_to_gpio
ARM: 7057/1: mach-pnx4008: rename GPIO header
ARM: 7056/1: plat-nomadik: kill off <plat/gpio.h>
ARM: 7050/1: mach-sa1100: delete irq_to_gpio() function
ARM: 7049/1: mach-sa1100: move SA1100 GPIO driver to GPIO subsystem
ARM: 7045/1: mach-lpc32xx: break out GPIO driver specifics
ARM: 7044/1: mach-lpc32xx: move LPC32XX GPIO driver to GPIO subsystem
ARM: 7043/1: mach-ixp2000: rename GPIO header
...
Fix up trivial conflicts in arch/arm/mach-u300/Kconfig manually
Diffstat (limited to 'arch/arm/mach-lpc32xx')
-rw-r--r-- | arch/arm/mach-lpc32xx/Makefile | 2 | ||||
-rw-r--r-- | arch/arm/mach-lpc32xx/gpiolib.c | 446 | ||||
-rw-r--r-- | arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h | 50 | ||||
-rw-r--r-- | arch/arm/mach-lpc32xx/include/mach/gpio.h | 74 | ||||
-rw-r--r-- | arch/arm/mach-lpc32xx/phy3250.c | 1 |
5 files changed, 52 insertions, 521 deletions
diff --git a/arch/arm/mach-lpc32xx/Makefile b/arch/arm/mach-lpc32xx/Makefile index a5fc5d0..f5db805 100644 --- a/arch/arm/mach-lpc32xx/Makefile +++ b/arch/arm/mach-lpc32xx/Makefile @@ -3,6 +3,6 @@ # obj-y := timer.o irq.o common.o serial.o clock.o -obj-y += gpiolib.o pm.o suspend.o +obj-y += pm.o suspend.o obj-y += phy3250.o diff --git a/arch/arm/mach-lpc32xx/gpiolib.c b/arch/arm/mach-lpc32xx/gpiolib.c deleted file mode 100644 index 69061ea..0000000 --- a/arch/arm/mach-lpc32xx/gpiolib.c +++ /dev/null @@ -1,446 +0,0 @@ -/* - * arch/arm/mach-lpc32xx/gpiolib.c - * - * Author: Kevin Wells <kevin.wells@nxp.com> - * - * Copyright (C) 2010 NXP Semiconductors - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/errno.h> -#include <linux/gpio.h> - -#include <mach/hardware.h> -#include <mach/platform.h> -#include "common.h" - -#define LPC32XX_GPIO_P3_INP_STATE _GPREG(0x000) -#define LPC32XX_GPIO_P3_OUTP_SET _GPREG(0x004) -#define LPC32XX_GPIO_P3_OUTP_CLR _GPREG(0x008) -#define LPC32XX_GPIO_P3_OUTP_STATE _GPREG(0x00C) -#define LPC32XX_GPIO_P2_DIR_SET _GPREG(0x010) -#define LPC32XX_GPIO_P2_DIR_CLR _GPREG(0x014) -#define LPC32XX_GPIO_P2_DIR_STATE _GPREG(0x018) -#define LPC32XX_GPIO_P2_INP_STATE _GPREG(0x01C) -#define LPC32XX_GPIO_P2_OUTP_SET _GPREG(0x020) -#define LPC32XX_GPIO_P2_OUTP_CLR _GPREG(0x024) -#define LPC32XX_GPIO_P2_MUX_SET _GPREG(0x028) -#define LPC32XX_GPIO_P2_MUX_CLR _GPREG(0x02C) -#define LPC32XX_GPIO_P2_MUX_STATE _GPREG(0x030) -#define LPC32XX_GPIO_P0_INP_STATE _GPREG(0x040) -#define LPC32XX_GPIO_P0_OUTP_SET _GPREG(0x044) -#define LPC32XX_GPIO_P0_OUTP_CLR _GPREG(0x048) -#define LPC32XX_GPIO_P0_OUTP_STATE _GPREG(0x04C) -#define LPC32XX_GPIO_P0_DIR_SET _GPREG(0x050) -#define LPC32XX_GPIO_P0_DIR_CLR _GPREG(0x054) -#define LPC32XX_GPIO_P0_DIR_STATE _GPREG(0x058) -#define LPC32XX_GPIO_P1_INP_STATE _GPREG(0x060) -#define LPC32XX_GPIO_P1_OUTP_SET _GPREG(0x064) -#define LPC32XX_GPIO_P1_OUTP_CLR _GPREG(0x068) -#define LPC32XX_GPIO_P1_OUTP_STATE _GPREG(0x06C) -#define LPC32XX_GPIO_P1_DIR_SET _GPREG(0x070) -#define LPC32XX_GPIO_P1_DIR_CLR _GPREG(0x074) -#define LPC32XX_GPIO_P1_DIR_STATE _GPREG(0x078) - -#define GPIO012_PIN_TO_BIT(x) (1 << (x)) -#define GPIO3_PIN_TO_BIT(x) (1 << ((x) + 25)) -#define GPO3_PIN_TO_BIT(x) (1 << (x)) -#define GPIO012_PIN_IN_SEL(x, y) (((x) >> (y)) & 1) -#define GPIO3_PIN_IN_SHIFT(x) ((x) == 5 ? 24 : 10 + (x)) -#define GPIO3_PIN_IN_SEL(x, y) ((x) >> GPIO3_PIN_IN_SHIFT(y)) -#define GPIO3_PIN5_IN_SEL(x) (((x) >> 24) & 1) -#define GPI3_PIN_IN_SEL(x, y) (((x) >> (y)) & 1) - -struct gpio_regs { - void __iomem *inp_state; - void __iomem *outp_set; - void __iomem *outp_clr; - void __iomem *dir_set; - void __iomem *dir_clr; -}; - -/* - * GPIO names - */ -static const char *gpio_p0_names[LPC32XX_GPIO_P0_MAX] = { - "p0.0", "p0.1", "p0.2", "p0.3", - "p0.4", "p0.5", "p0.6", "p0.7" -}; - -static const char *gpio_p1_names[LPC32XX_GPIO_P1_MAX] = { - "p1.0", "p1.1", "p1.2", "p1.3", - "p1.4", "p1.5", "p1.6", "p1.7", - "p1.8", "p1.9", "p1.10", "p1.11", - "p1.12", "p1.13", "p1.14", "p1.15", - "p1.16", "p1.17", "p1.18", "p1.19", - "p1.20", "p1.21", "p1.22", "p1.23", -}; - -static const char *gpio_p2_names[LPC32XX_GPIO_P2_MAX] = { - "p2.0", "p2.1", "p2.2", "p2.3", - "p2.4", "p2.5", "p2.6", "p2.7", - "p2.8", "p2.9", "p2.10", "p2.11", - "p2.12" -}; - -static const char *gpio_p3_names[LPC32XX_GPIO_P3_MAX] = { - "gpi000", "gpio01", "gpio02", "gpio03", - "gpio04", "gpio05" -}; - -static const char *gpi_p3_names[LPC32XX_GPI_P3_MAX] = { - "gpi00", "gpi01", "gpi02", "gpi03", - "gpi04", "gpi05", "gpi06", "gpi07", - "gpi08", "gpi09", NULL, NULL, - NULL, NULL, NULL, "gpi15", - "gpi16", "gpi17", "gpi18", "gpi19", - "gpi20", "gpi21", "gpi22", "gpi23", - "gpi24", "gpi25", "gpi26", "gpi27" -}; - -static const char *gpo_p3_names[LPC32XX_GPO_P3_MAX] = { - "gpo00", "gpo01", "gpo02", "gpo03", - "gpo04", "gpo05", "gpo06", "gpo07", - "gpo08", "gpo09", "gpo10", "gpo11", - "gpo12", "gpo13", "gpo14", "gpo15", - "gpo16", "gpo17", "gpo18", "gpo19", - "gpo20", "gpo21", "gpo22", "gpo23" -}; - -static struct gpio_regs gpio_grp_regs_p0 = { - .inp_state = LPC32XX_GPIO_P0_INP_STATE, - .outp_set = LPC32XX_GPIO_P0_OUTP_SET, - .outp_clr = LPC32XX_GPIO_P0_OUTP_CLR, - .dir_set = LPC32XX_GPIO_P0_DIR_SET, - .dir_clr = LPC32XX_GPIO_P0_DIR_CLR, -}; - -static struct gpio_regs gpio_grp_regs_p1 = { - .inp_state = LPC32XX_GPIO_P1_INP_STATE, - .outp_set = LPC32XX_GPIO_P1_OUTP_SET, - .outp_clr = LPC32XX_GPIO_P1_OUTP_CLR, - .dir_set = LPC32XX_GPIO_P1_DIR_SET, - .dir_clr = LPC32XX_GPIO_P1_DIR_CLR, -}; - -static struct gpio_regs gpio_grp_regs_p2 = { - .inp_state = LPC32XX_GPIO_P2_INP_STATE, - .outp_set = LPC32XX_GPIO_P2_OUTP_SET, - .outp_clr = LPC32XX_GPIO_P2_OUTP_CLR, - .dir_set = LPC32XX_GPIO_P2_DIR_SET, - .dir_clr = LPC32XX_GPIO_P2_DIR_CLR, -}; - -static struct gpio_regs gpio_grp_regs_p3 = { - .inp_state = LPC32XX_GPIO_P3_INP_STATE, - .outp_set = LPC32XX_GPIO_P3_OUTP_SET, - .outp_clr = LPC32XX_GPIO_P3_OUTP_CLR, - .dir_set = LPC32XX_GPIO_P2_DIR_SET, - .dir_clr = LPC32XX_GPIO_P2_DIR_CLR, -}; - -struct lpc32xx_gpio_chip { - struct gpio_chip chip; - struct gpio_regs *gpio_grp; -}; - -static inline struct lpc32xx_gpio_chip *to_lpc32xx_gpio( - struct gpio_chip *gpc) -{ - return container_of(gpc, struct lpc32xx_gpio_chip, chip); -} - -static void __set_gpio_dir_p012(struct lpc32xx_gpio_chip *group, - unsigned pin, int input) -{ - if (input) - __raw_writel(GPIO012_PIN_TO_BIT(pin), - group->gpio_grp->dir_clr); - else - __raw_writel(GPIO012_PIN_TO_BIT(pin), - group->gpio_grp->dir_set); -} - -static void __set_gpio_dir_p3(struct lpc32xx_gpio_chip *group, - unsigned pin, int input) -{ - u32 u = GPIO3_PIN_TO_BIT(pin); - - if (input) - __raw_writel(u, group->gpio_grp->dir_clr); - else - __raw_writel(u, group->gpio_grp->dir_set); -} - -static void __set_gpio_level_p012(struct lpc32xx_gpio_chip *group, - unsigned pin, int high) -{ - if (high) - __raw_writel(GPIO012_PIN_TO_BIT(pin), - group->gpio_grp->outp_set); - else - __raw_writel(GPIO012_PIN_TO_BIT(pin), - group->gpio_grp->outp_clr); -} - -static void __set_gpio_level_p3(struct lpc32xx_gpio_chip *group, - unsigned pin, int high) -{ - u32 u = GPIO3_PIN_TO_BIT(pin); - - if (high) - __raw_writel(u, group->gpio_grp->outp_set); - else - __raw_writel(u, group->gpio_grp->outp_clr); -} - -static void __set_gpo_level_p3(struct lpc32xx_gpio_chip *group, - unsigned pin, int high) -{ - if (high) - __raw_writel(GPO3_PIN_TO_BIT(pin), group->gpio_grp->outp_set); - else - __raw_writel(GPO3_PIN_TO_BIT(pin), group->gpio_grp->outp_clr); -} - -static int __get_gpio_state_p012(struct lpc32xx_gpio_chip *group, - unsigned pin) -{ - return GPIO012_PIN_IN_SEL(__raw_readl(group->gpio_grp->inp_state), - pin); -} - -static int __get_gpio_state_p3(struct lpc32xx_gpio_chip *group, - unsigned pin) -{ - int state = __raw_readl(group->gpio_grp->inp_state); - - /* - * P3 GPIO pin input mapping is not contiguous, GPIOP3-0..4 is mapped - * to bits 10..14, while GPIOP3-5 is mapped to bit 24. - */ - return GPIO3_PIN_IN_SEL(state, pin); -} - -static int __get_gpi_state_p3(struct lpc32xx_gpio_chip *group, - unsigned pin) -{ - return GPI3_PIN_IN_SEL(__raw_readl(group->gpio_grp->inp_state), pin); -} - -/* - * GENERIC_GPIO primitives. - */ -static int lpc32xx_gpio_dir_input_p012(struct gpio_chip *chip, - unsigned pin) -{ - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); - - __set_gpio_dir_p012(group, pin, 1); - - return 0; -} - -static int lpc32xx_gpio_dir_input_p3(struct gpio_chip *chip, - unsigned pin) -{ - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); - - __set_gpio_dir_p3(group, pin, 1); - - return 0; -} - -static int lpc32xx_gpio_dir_in_always(struct gpio_chip *chip, - unsigned pin) -{ - return 0; -} - -static int lpc32xx_gpio_get_value_p012(struct gpio_chip *chip, unsigned pin) -{ - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); - - return __get_gpio_state_p012(group, pin); -} - -static int lpc32xx_gpio_get_value_p3(struct gpio_chip *chip, unsigned pin) -{ - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); - - return __get_gpio_state_p3(group, pin); -} - -static int lpc32xx_gpi_get_value(struct gpio_chip *chip, unsigned pin) -{ - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); - - return __get_gpi_state_p3(group, pin); -} - -static int lpc32xx_gpio_dir_output_p012(struct gpio_chip *chip, unsigned pin, - int value) -{ - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); - - __set_gpio_dir_p012(group, pin, 0); - - return 0; -} - -static int lpc32xx_gpio_dir_output_p3(struct gpio_chip *chip, unsigned pin, - int value) -{ - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); - - __set_gpio_dir_p3(group, pin, 0); - - return 0; -} - -static int lpc32xx_gpio_dir_out_always(struct gpio_chip *chip, unsigned pin, - int value) -{ - return 0; -} - -static void lpc32xx_gpio_set_value_p012(struct gpio_chip *chip, unsigned pin, - int value) -{ - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); - - __set_gpio_level_p012(group, pin, value); -} - -static void lpc32xx_gpio_set_value_p3(struct gpio_chip *chip, unsigned pin, - int value) -{ - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); - - __set_gpio_level_p3(group, pin, value); -} - -static void lpc32xx_gpo_set_value(struct gpio_chip *chip, unsigned pin, - int value) -{ - struct lpc32xx_gpio_chip *group = to_lpc32xx_gpio(chip); - - __set_gpo_level_p3(group, pin, value); -} - -static int lpc32xx_gpio_request(struct gpio_chip *chip, unsigned pin) -{ - if (pin < chip->ngpio) - return 0; - - return -EINVAL; -} - -static struct lpc32xx_gpio_chip lpc32xx_gpiochip[] = { - { - .chip = { - .label = "gpio_p0", - .direction_input = lpc32xx_gpio_dir_input_p012, - .get = lpc32xx_gpio_get_value_p012, - .direction_output = lpc32xx_gpio_dir_output_p012, - .set = lpc32xx_gpio_set_value_p012, - .request = lpc32xx_gpio_request, - .base = LPC32XX_GPIO_P0_GRP, - .ngpio = LPC32XX_GPIO_P0_MAX, - .names = gpio_p0_names, - .can_sleep = 0, - }, - .gpio_grp = &gpio_grp_regs_p0, - }, - { - .chip = { - .label = "gpio_p1", - .direction_input = lpc32xx_gpio_dir_input_p012, - .get = lpc32xx_gpio_get_value_p012, - .direction_output = lpc32xx_gpio_dir_output_p012, - .set = lpc32xx_gpio_set_value_p012, - .request = lpc32xx_gpio_request, - .base = LPC32XX_GPIO_P1_GRP, - .ngpio = LPC32XX_GPIO_P1_MAX, - .names = gpio_p1_names, - .can_sleep = 0, - }, - .gpio_grp = &gpio_grp_regs_p1, - }, - { - .chip = { - .label = "gpio_p2", - .direction_input = lpc32xx_gpio_dir_input_p012, - .get = lpc32xx_gpio_get_value_p012, - .direction_output = lpc32xx_gpio_dir_output_p012, - .set = lpc32xx_gpio_set_value_p012, - .request = lpc32xx_gpio_request, - .base = LPC32XX_GPIO_P2_GRP, - .ngpio = LPC32XX_GPIO_P2_MAX, - .names = gpio_p2_names, - .can_sleep = 0, - }, - .gpio_grp = &gpio_grp_regs_p2, - }, - { - .chip = { - .label = "gpio_p3", - .direction_input = lpc32xx_gpio_dir_input_p3, - .get = lpc32xx_gpio_get_value_p3, - .direction_output = lpc32xx_gpio_dir_output_p3, - .set = lpc32xx_gpio_set_value_p3, - .request = lpc32xx_gpio_request, - .base = LPC32XX_GPIO_P3_GRP, - .ngpio = LPC32XX_GPIO_P3_MAX, - .names = gpio_p3_names, - .can_sleep = 0, - }, - .gpio_grp = &gpio_grp_regs_p3, - }, - { - .chip = { - .label = "gpi_p3", - .direction_input = lpc32xx_gpio_dir_in_always, - .get = lpc32xx_gpi_get_value, - .request = lpc32xx_gpio_request, - .base = LPC32XX_GPI_P3_GRP, - .ngpio = LPC32XX_GPI_P3_MAX, - .names = gpi_p3_names, - .can_sleep = 0, - }, - .gpio_grp = &gpio_grp_regs_p3, - }, - { - .chip = { - .label = "gpo_p3", - .direction_output = lpc32xx_gpio_dir_out_always, - .set = lpc32xx_gpo_set_value, - .request = lpc32xx_gpio_request, - .base = LPC32XX_GPO_P3_GRP, - .ngpio = LPC32XX_GPO_P3_MAX, - .names = gpo_p3_names, - .can_sleep = 0, - }, - .gpio_grp = &gpio_grp_regs_p3, - }, -}; - -void __init lpc32xx_gpio_init(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(lpc32xx_gpiochip); i++) - gpiochip_add(&lpc32xx_gpiochip[i].chip); -} diff --git a/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h b/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h new file mode 100644 index 0000000..1816e22 --- /dev/null +++ b/arch/arm/mach-lpc32xx/include/mach/gpio-lpc32xx.h @@ -0,0 +1,50 @@ +/* + * Author: Kevin Wells <kevin.wells@nxp.com> + * + * Copyright (C) 2010 NXP Semiconductors + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __MACH_GPIO_LPC32XX_H +#define __MACH_GPIO_LPC32XX_H + +/* + * Note! + * Muxed GP pins need to be setup to the GP state in the board level + * code prior to using this driver. + * GPI pins : 28xP3 group + * GPO pins : 24xP3 group + * GPIO pins: 8xP0 group, 24xP1 group, 13xP2 group, 6xP3 group + */ + +#define LPC32XX_GPIO_P0_MAX 8 +#define LPC32XX_GPIO_P1_MAX 24 +#define LPC32XX_GPIO_P2_MAX 13 +#define LPC32XX_GPIO_P3_MAX 6 +#define LPC32XX_GPI_P3_MAX 28 +#define LPC32XX_GPO_P3_MAX 24 + +#define LPC32XX_GPIO_P0_GRP 0 +#define LPC32XX_GPIO_P1_GRP (LPC32XX_GPIO_P0_GRP + LPC32XX_GPIO_P0_MAX) +#define LPC32XX_GPIO_P2_GRP (LPC32XX_GPIO_P1_GRP + LPC32XX_GPIO_P1_MAX) +#define LPC32XX_GPIO_P3_GRP (LPC32XX_GPIO_P2_GRP + LPC32XX_GPIO_P2_MAX) +#define LPC32XX_GPI_P3_GRP (LPC32XX_GPIO_P3_GRP + LPC32XX_GPIO_P3_MAX) +#define LPC32XX_GPO_P3_GRP (LPC32XX_GPI_P3_GRP + LPC32XX_GPI_P3_MAX) + +/* + * A specific GPIO can be selected with this macro + * ie, GPIO_05 can be selected with LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5) + * See the LPC32x0 User's guide for GPIO group numbers + */ +#define LPC32XX_GPIO(x, y) ((x) + (y)) + +#endif /* __MACH_GPIO_LPC32XX_H */ diff --git a/arch/arm/mach-lpc32xx/include/mach/gpio.h b/arch/arm/mach-lpc32xx/include/mach/gpio.h index 67d03da..e69de29 100644 --- a/arch/arm/mach-lpc32xx/include/mach/gpio.h +++ b/arch/arm/mach-lpc32xx/include/mach/gpio.h @@ -1,74 +0,0 @@ -/* - * arch/arm/mach-lpc32xx/include/mach/gpio.h - * - * Author: Kevin Wells <kevin.wells@nxp.com> - * - * Copyright (C) 2010 NXP Semiconductors - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef __ASM_ARCH_GPIO_H -#define __ASM_ARCH_GPIO_H - -#include <asm-generic/gpio.h> - -/* - * Note! - * Muxed GP pins need to be setup to the GP state in the board level - * code prior to using this driver. - * GPI pins : 28xP3 group - * GPO pins : 24xP3 group - * GPIO pins: 8xP0 group, 24xP1 group, 13xP2 group, 6xP3 group - */ - -#define LPC32XX_GPIO_P0_MAX 8 -#define LPC32XX_GPIO_P1_MAX 24 -#define LPC32XX_GPIO_P2_MAX 13 -#define LPC32XX_GPIO_P3_MAX 6 -#define LPC32XX_GPI_P3_MAX 28 -#define LPC32XX_GPO_P3_MAX 24 - -#define LPC32XX_GPIO_P0_GRP 0 -#define LPC32XX_GPIO_P1_GRP (LPC32XX_GPIO_P0_GRP + LPC32XX_GPIO_P0_MAX) -#define LPC32XX_GPIO_P2_GRP (LPC32XX_GPIO_P1_GRP + LPC32XX_GPIO_P1_MAX) -#define LPC32XX_GPIO_P3_GRP (LPC32XX_GPIO_P2_GRP + LPC32XX_GPIO_P2_MAX) -#define LPC32XX_GPI_P3_GRP (LPC32XX_GPIO_P3_GRP + LPC32XX_GPIO_P3_MAX) -#define LPC32XX_GPO_P3_GRP (LPC32XX_GPI_P3_GRP + LPC32XX_GPI_P3_MAX) - -/* - * A specific GPIO can be selected with this macro - * ie, GPIO_05 can be selected with LPC32XX_GPIO(LPC32XX_GPIO_P3_GRP, 5) - * See the LPC32x0 User's guide for GPIO group numbers - */ -#define LPC32XX_GPIO(x, y) ((x) + (y)) - -static inline int gpio_get_value(unsigned gpio) -{ - return __gpio_get_value(gpio); -} - -static inline void gpio_set_value(unsigned gpio, int value) -{ - __gpio_set_value(gpio, value); -} - -static inline int gpio_cansleep(unsigned gpio) -{ - return __gpio_cansleep(gpio); -} - -static inline int gpio_to_irq(unsigned gpio) -{ - return __gpio_to_irq(gpio); -} - -#endif diff --git a/arch/arm/mach-lpc32xx/phy3250.c b/arch/arm/mach-lpc32xx/phy3250.c index 7993b09..c3a22fd 100644 --- a/arch/arm/mach-lpc32xx/phy3250.c +++ b/arch/arm/mach-lpc32xx/phy3250.c @@ -37,6 +37,7 @@ #include <mach/hardware.h> #include <mach/platform.h> +#include <mach/gpio-lpc32xx.h> #include "common.h" /* |