diff options
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/devices.c | 30 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/devices.h | 1 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/gpio-pxa.h | 131 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/gpio.h | 5 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/idp.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/include/mach/littleton.h | 2 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/irq.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/mfp-pxa2xx.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa25x.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa27x.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa3xx.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/pxa95x.c | 3 |
12 files changed, 47 insertions, 148 deletions
diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c index 2e0425404de5..5bc13121eac5 100644 --- a/arch/arm/mach-pxa/devices.c +++ b/arch/arm/mach-pxa/devices.c @@ -1051,6 +1051,36 @@ struct platform_device pxa3xx_device_ssp4 = { }; #endif /* CONFIG_PXA3xx || CONFIG_PXA95x */ +struct resource pxa_resource_gpio[] = { + { + .start = 0x40e00000, + .end = 0x40e0ffff, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_GPIO0, + .end = IRQ_GPIO0, + .name = "gpio0", + .flags = IORESOURCE_IRQ, + }, { + .start = IRQ_GPIO1, + .end = IRQ_GPIO1, + .name = "gpio1", + .flags = IORESOURCE_IRQ, + }, { + .start = IRQ_GPIO_2_x, + .end = IRQ_GPIO_2_x, + .name = "gpio_mux", + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa_device_gpio = { + .name = "pxa-gpio", + .id = -1, + .num_resources = ARRAY_SIZE(pxa_resource_gpio), + .resource = pxa_resource_gpio, +}; + /* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1. * See comment in arch/arm/mach-pxa/ssp.c::ssp_probe() */ void __init pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info) diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h index 2fd5a8b35757..1475db107254 100644 --- a/arch/arm/mach-pxa/devices.h +++ b/arch/arm/mach-pxa/devices.h @@ -16,6 +16,7 @@ extern struct platform_device pxa_device_ficp; extern struct platform_device sa1100_device_rtc; extern struct platform_device pxa_device_rtc; extern struct platform_device pxa_device_ac97; +extern struct platform_device pxa_device_gpio; extern struct platform_device pxa27x_device_i2c_power; extern struct platform_device pxa27x_device_ohci; diff --git a/arch/arm/mach-pxa/include/mach/gpio-pxa.h b/arch/arm/mach-pxa/include/mach/gpio-pxa.h deleted file mode 100644 index 134b3bc332cd..000000000000 --- a/arch/arm/mach-pxa/include/mach/gpio-pxa.h +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Written by Philipp Zabel <philipp.zabel@gmail.com> - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ -#ifndef __MACH_PXA_GPIO_PXA_H -#define __MACH_PXA_GPIO_PXA_H - -#include <mach/irqs.h> -#include <mach/hardware.h> - -#define GPIO_REGS_VIRT io_p2v(0x40E00000) - -#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) -#define GPIO_REG(x) (*(volatile u32 *)(GPIO_REGS_VIRT + (x))) - -/* GPIO Pin Level Registers */ -#define GPLR0 GPIO_REG(BANK_OFF(0) + 0x00) -#define GPLR1 GPIO_REG(BANK_OFF(1) + 0x00) -#define GPLR2 GPIO_REG(BANK_OFF(2) + 0x00) -#define GPLR3 GPIO_REG(BANK_OFF(3) + 0x00) - -/* GPIO Pin Direction Registers */ -#define GPDR0 GPIO_REG(BANK_OFF(0) + 0x0c) -#define GPDR1 GPIO_REG(BANK_OFF(1) + 0x0c) -#define GPDR2 GPIO_REG(BANK_OFF(2) + 0x0c) -#define GPDR3 GPIO_REG(BANK_OFF(3) + 0x0c) - -/* GPIO Pin Output Set Registers */ -#define GPSR0 GPIO_REG(BANK_OFF(0) + 0x18) -#define GPSR1 GPIO_REG(BANK_OFF(1) + 0x18) -#define GPSR2 GPIO_REG(BANK_OFF(2) + 0x18) -#define GPSR3 GPIO_REG(BANK_OFF(3) + 0x18) - -/* GPIO Pin Output Clear Registers */ -#define GPCR0 GPIO_REG(BANK_OFF(0) + 0x24) -#define GPCR1 GPIO_REG(BANK_OFF(1) + 0x24) -#define GPCR2 GPIO_REG(BANK_OFF(2) + 0x24) -#define GPCR3 GPIO_REG(BANK_OFF(3) + 0x24) - -/* GPIO Rising Edge Detect Registers */ -#define GRER0 GPIO_REG(BANK_OFF(0) + 0x30) -#define GRER1 GPIO_REG(BANK_OFF(1) + 0x30) -#define GRER2 GPIO_REG(BANK_OFF(2) + 0x30) -#define GRER3 GPIO_REG(BANK_OFF(3) + 0x30) - -/* GPIO Falling Edge Detect Registers */ -#define GFER0 GPIO_REG(BANK_OFF(0) + 0x3c) -#define GFER1 GPIO_REG(BANK_OFF(1) + 0x3c) -#define GFER2 GPIO_REG(BANK_OFF(2) + 0x3c) -#define GFER3 GPIO_REG(BANK_OFF(3) + 0x3c) - -/* GPIO Edge Detect Status Registers */ -#define GEDR0 GPIO_REG(BANK_OFF(0) + 0x48) -#define GEDR1 GPIO_REG(BANK_OFF(1) + 0x48) -#define GEDR2 GPIO_REG(BANK_OFF(2) + 0x48) -#define GEDR3 GPIO_REG(BANK_OFF(3) + 0x48) - -/* GPIO Alternate Function Select Registers */ -#define GAFR0_L GPIO_REG(0x0054) -#define GAFR0_U GPIO_REG(0x0058) -#define GAFR1_L GPIO_REG(0x005C) -#define GAFR1_U GPIO_REG(0x0060) -#define GAFR2_L GPIO_REG(0x0064) -#define GAFR2_U GPIO_REG(0x0068) -#define GAFR3_L GPIO_REG(0x006C) -#define GAFR3_U GPIO_REG(0x0070) - -/* More handy macros. The argument is a literal GPIO number. */ - -#define GPIO_bit(x) (1 << ((x) & 0x1f)) - -#define GPLR(x) GPIO_REG(BANK_OFF((x) >> 5) + 0x00) -#define GPDR(x) GPIO_REG(BANK_OFF((x) >> 5) + 0x0c) -#define GPSR(x) GPIO_REG(BANK_OFF((x) >> 5) + 0x18) -#define GPCR(x) GPIO_REG(BANK_OFF((x) >> 5) + 0x24) -#define GRER(x) GPIO_REG(BANK_OFF((x) >> 5) + 0x30) -#define GFER(x) GPIO_REG(BANK_OFF((x) >> 5) + 0x3c) -#define GEDR(x) GPIO_REG(BANK_OFF((x) >> 5) + 0x48) -#define GAFR(x) GPIO_REG(0x54 + (((x) & 0x70) >> 2)) - - -#define gpio_to_bank(gpio) ((gpio) >> 5) - -#ifdef CONFIG_CPU_PXA26x -/* GPIO86/87/88/89 on PXA26x have their direction bits in GPDR2 inverted, - * as well as their Alternate Function value being '1' for GPIO in GAFRx. - */ -static inline int __gpio_is_inverted(unsigned gpio) -{ - return cpu_is_pxa25x() && gpio > 85; -} -#else -static inline int __gpio_is_inverted(unsigned gpio) { return 0; } -#endif - -/* - * On PXA25x and PXA27x, GAFRx and GPDRx together decide the alternate - * function of a GPIO, and GPDRx cannot be altered once configured. It - * is attributed as "occupied" here (I know this terminology isn't - * accurate, you are welcome to propose a better one :-) - */ -static inline int __gpio_is_occupied(unsigned gpio) -{ - if (cpu_is_pxa27x() || cpu_is_pxa25x()) { - int af = (GAFR(gpio) >> ((gpio & 0xf) * 2)) & 0x3; - int dir = GPDR(gpio) & GPIO_bit(gpio); - - if (__gpio_is_inverted(gpio)) - return af != 1 || dir == 0; - else - return af != 0 || dir != 0; - } else - return GPDR(gpio) & GPIO_bit(gpio); -} - -#include <plat/gpio-pxa.h> -#endif /* __MACH_PXA_GPIO_PXA_H */ diff --git a/arch/arm/mach-pxa/include/mach/gpio.h b/arch/arm/mach-pxa/include/mach/gpio.h index 561cdbfd7ccf..0248e433bc98 100644 --- a/arch/arm/mach-pxa/include/mach/gpio.h +++ b/arch/arm/mach-pxa/include/mach/gpio.h @@ -25,7 +25,8 @@ #define __ASM_ARCH_PXA_GPIO_H #include <asm-generic/gpio.h> -/* The defines for the driver are needed for the accelerated accessors */ -#include "gpio-pxa.h" + +#include <mach/irqs.h> +#include <mach/hardware.h> #endif diff --git a/arch/arm/mach-pxa/include/mach/idp.h b/arch/arm/mach-pxa/include/mach/idp.h index a7f912f5ea2f..22a96f87232b 100644 --- a/arch/arm/mach-pxa/include/mach/idp.h +++ b/arch/arm/mach-pxa/include/mach/idp.h @@ -131,8 +131,6 @@ #define PCC_VS2 (1 << 1) #define PCC_VS1 (1 << 0) -#define PCC_DETECT(x) (GPLR(7 + (x)) & GPIO_bit(7 + (x))) - /* A listing of interrupts used by external hardware devices */ #define TOUCH_PANEL_IRQ PXA_GPIO_TO_IRQ(5) diff --git a/arch/arm/mach-pxa/include/mach/littleton.h b/arch/arm/mach-pxa/include/mach/littleton.h index e20ac1b64b00..8066be54e9f5 100644 --- a/arch/arm/mach-pxa/include/mach/littleton.h +++ b/arch/arm/mach-pxa/include/mach/littleton.h @@ -1,8 +1,6 @@ #ifndef __ASM_ARCH_LITTLETON_H #define __ASM_ARCH_LITTLETON_H -#include <mach/gpio-pxa.h> - #define LITTLETON_ETH_PHYS 0x30000000 #define LITTLETON_GPIO_LCD_CS (17) diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c index 36c538f48fa6..5dae15ea6718 100644 --- a/arch/arm/mach-pxa/irq.c +++ b/arch/arm/mach-pxa/irq.c @@ -22,7 +22,6 @@ #include <mach/hardware.h> #include <mach/irqs.h> -#include <mach/gpio-pxa.h> #include "generic.h" @@ -122,7 +121,7 @@ asmlinkage void __exception_irq_entry ichp_handle_irq(struct pt_regs *regs) } while (1); } -void __init pxa_init_irq(int irq_nr, set_wake_t fn) +void __init pxa_init_irq(int irq_nr, int (*fn)(struct irq_data *, unsigned int)) { int irq, i, n; diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c index 43a5f6861ca3..f14775536b83 100644 --- a/arch/arm/mach-pxa/mfp-pxa2xx.c +++ b/arch/arm/mach-pxa/mfp-pxa2xx.c @@ -13,6 +13,7 @@ * published by the Free Software Foundation. */ #include <linux/gpio.h> +#include <linux/gpio-pxa.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -20,7 +21,6 @@ #include <mach/pxa2xx-regs.h> #include <mach/mfp-pxa2xx.h> -#include <mach/gpio-pxa.h> #include "generic.h" @@ -29,6 +29,10 @@ #define GAFR_L(x) __GAFR(0, x) #define GAFR_U(x) __GAFR(1, x) +#define BANK_OFF(n) (((n) < 3) ? (n) << 2 : 0x100 + (((n) - 3) << 2)) +#define GPLR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5)) +#define GPDR(x) __REG2(0x40E00000, BANK_OFF((x) >> 5) + 0x0c) + #define PWER_WE35 (1 << 24) struct gpio_desc { diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c index 0f38cfce5c35..91e4f6c03766 100644 --- a/arch/arm/mach-pxa/pxa25x.c +++ b/arch/arm/mach-pxa/pxa25x.c @@ -17,6 +17,7 @@ * need be. */ #include <linux/gpio.h> +#include <linux/gpio-pxa.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -312,14 +313,12 @@ set_pwer: void __init pxa25x_init_irq(void) { pxa_init_irq(32, pxa25x_set_wake); - pxa_init_gpio(IRQ_GPIO_2_x, 2, 84, pxa25x_set_wake); } #ifdef CONFIG_CPU_PXA26x void __init pxa26x_init_irq(void) { pxa_init_irq(32, pxa25x_set_wake); - pxa_init_gpio(IRQ_GPIO_2_x, 2, 89, pxa25x_set_wake); } #endif diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c index 44563a0997bd..aed6cbcf3866 100644 --- a/arch/arm/mach-pxa/pxa27x.c +++ b/arch/arm/mach-pxa/pxa27x.c @@ -12,6 +12,7 @@ * published by the Free Software Foundation. */ #include <linux/gpio.h> +#include <linux/gpio-pxa.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -386,7 +387,6 @@ static int pxa27x_set_wake(struct irq_data *d, unsigned int on) void __init pxa27x_init_irq(void) { pxa_init_irq(34, pxa27x_set_wake); - pxa_init_gpio(IRQ_GPIO_2_x, 2, 120, pxa27x_set_wake); } static struct map_desc pxa27x_io_desc[] __initdata = { @@ -422,6 +422,7 @@ void __init pxa27x_set_i2c_power_info(struct i2c_pxa_platform_data *info) } static struct platform_device *devices[] __initdata = { + &pxa_device_gpio, &pxa27x_device_udc, &pxa_device_pmu, &pxa_device_i2s, diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c index 0737c59b88ae..06cfe348c709 100644 --- a/arch/arm/mach-pxa/pxa3xx.c +++ b/arch/arm/mach-pxa/pxa3xx.c @@ -25,7 +25,6 @@ #include <asm/mach/map.h> #include <asm/suspend.h> #include <mach/hardware.h> -#include <mach/gpio-pxa.h> #include <mach/pxa3xx-regs.h> #include <mach/reset.h> #include <mach/ohci.h> @@ -365,7 +364,8 @@ static struct irq_chip pxa_ext_wakeup_chip = { .irq_set_type = pxa_set_ext_wakeup_type, }; -static void __init pxa_init_ext_wakeup_irq(set_wake_t fn) +static void __init pxa_init_ext_wakeup_irq(int (*fn)(struct irq_data *, + unsigned int)) { int irq; @@ -388,7 +388,6 @@ void __init pxa3xx_init_irq(void) pxa_init_irq(56, pxa3xx_set_wake); pxa_init_ext_wakeup_irq(pxa3xx_set_wake); - pxa_init_gpio(IRQ_GPIO_2_x, 2, 127, NULL); } static struct map_desc pxa3xx_io_desc[] __initdata = { @@ -417,6 +416,7 @@ void __init pxa3xx_set_i2c_power_info(struct i2c_pxa_platform_data *info) } static struct platform_device *devices[] __initdata = { + &pxa_device_gpio, &pxa27x_device_udc, &pxa_device_pmu, &pxa_device_i2s, diff --git a/arch/arm/mach-pxa/pxa95x.c b/arch/arm/mach-pxa/pxa95x.c index 51371b39d2a3..0961093dd033 100644 --- a/arch/arm/mach-pxa/pxa95x.c +++ b/arch/arm/mach-pxa/pxa95x.c @@ -20,7 +20,6 @@ #include <linux/syscore_ops.h> #include <mach/hardware.h> -#include <mach/gpio-pxa.h> #include <mach/pxa3xx-regs.h> #include <mach/pxa930.h> #include <mach/reset.h> @@ -235,7 +234,6 @@ static struct clk_lookup pxa95x_clkregs[] = { void __init pxa95x_init_irq(void) { pxa_init_irq(96, NULL); - pxa_init_gpio(IRQ_GPIO_2_x, 2, 127, NULL); } /* @@ -248,6 +246,7 @@ void __init pxa95x_set_i2c_power_info(struct i2c_pxa_platform_data *info) } static struct platform_device *devices[] __initdata = { + &pxa_device_gpio, &sa1100_device_rtc, &pxa_device_rtc, &pxa27x_device_ssp1, |