mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-19 02:34:01 +08:00
ARM: 5973/1: ux500: add gpio support
Add support for the GPIOs on the U8500, using the plat-nomadik GPIO driver. Acked-by: Linus Walleij <linus.walleij@stericsson.com> Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Rabin Vincent
Russell King
parent
1df20afce5
commit
94bdc0e2d7
@ -756,6 +756,7 @@ config ARCH_U8500
|
||||
select GENERIC_TIME
|
||||
select GENERIC_CLOCKEVENTS
|
||||
select COMMON_CLKDEV
|
||||
select ARCH_REQUIRE_GPIOLIB
|
||||
help
|
||||
Support for ST-Ericsson's Ux500 architecture
|
||||
|
||||
|
||||
@ -8,6 +8,7 @@ config MACH_U8500_MOP
|
||||
default y
|
||||
select ARM_GIC
|
||||
select HAS_MTU
|
||||
select NOMADIK_GPIO
|
||||
help
|
||||
Include support for mop500 development platform
|
||||
based on U8500 architecture. The platform is based
|
||||
|
||||
@ -13,6 +13,7 @@
|
||||
#include <linux/device.h>
|
||||
#include <linux/amba/bus.h>
|
||||
#include <linux/irq.h>
|
||||
#include <linux/gpio.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/io.h>
|
||||
|
||||
@ -23,9 +24,82 @@
|
||||
#include <mach/hardware.h>
|
||||
#include <mach/setup.h>
|
||||
|
||||
/* add any platform devices here - TODO */
|
||||
#define GPIO_RESOURCE(block) \
|
||||
{ \
|
||||
.start = U8500_GPIOBANK##block##_BASE, \
|
||||
.end = U8500_GPIOBANK##block##_BASE + 127, \
|
||||
.flags = IORESOURCE_MEM, \
|
||||
}, \
|
||||
{ \
|
||||
.start = IRQ_GPIO##block, \
|
||||
.end = IRQ_GPIO##block, \
|
||||
.flags = IORESOURCE_IRQ, \
|
||||
}
|
||||
|
||||
#define GPIO_DEVICE(block) \
|
||||
{ \
|
||||
.name = "gpio", \
|
||||
.id = block, \
|
||||
.num_resources = 2, \
|
||||
.resource = &u8500_gpio_resources[block * 2], \
|
||||
.dev = { \
|
||||
.platform_data = &u8500_gpio_data[block], \
|
||||
}, \
|
||||
}
|
||||
|
||||
#define GPIO_DATA(_name, first) \
|
||||
{ \
|
||||
.name = _name, \
|
||||
.first_gpio = first, \
|
||||
.first_irq = NOMADIK_GPIO_TO_IRQ(first), \
|
||||
}
|
||||
|
||||
static struct nmk_gpio_platform_data u8500_gpio_data[] = {
|
||||
GPIO_DATA("GPIO-0-31", 0),
|
||||
GPIO_DATA("GPIO-32-63", 32), /* 37..63 not routed to pin */
|
||||
GPIO_DATA("GPIO-64-95", 64),
|
||||
GPIO_DATA("GPIO-96-127", 96), /* 97..127 not routed to pin */
|
||||
GPIO_DATA("GPIO-128-159", 128),
|
||||
GPIO_DATA("GPIO-160-191", 160), /* 172..191 not routed to pin */
|
||||
GPIO_DATA("GPIO-192-223", 192),
|
||||
GPIO_DATA("GPIO-224-255", 224), /* 231..255 not routed to pin */
|
||||
GPIO_DATA("GPIO-256-288", 256), /* 258..288 not routed to pin */
|
||||
};
|
||||
|
||||
static struct resource u8500_gpio_resources[] = {
|
||||
GPIO_RESOURCE(0),
|
||||
GPIO_RESOURCE(1),
|
||||
GPIO_RESOURCE(2),
|
||||
GPIO_RESOURCE(3),
|
||||
GPIO_RESOURCE(4),
|
||||
GPIO_RESOURCE(5),
|
||||
GPIO_RESOURCE(6),
|
||||
GPIO_RESOURCE(7),
|
||||
GPIO_RESOURCE(8),
|
||||
};
|
||||
|
||||
static struct platform_device u8500_gpio_devs[] = {
|
||||
GPIO_DEVICE(0),
|
||||
GPIO_DEVICE(1),
|
||||
GPIO_DEVICE(2),
|
||||
GPIO_DEVICE(3),
|
||||
GPIO_DEVICE(4),
|
||||
GPIO_DEVICE(5),
|
||||
GPIO_DEVICE(6),
|
||||
GPIO_DEVICE(7),
|
||||
GPIO_DEVICE(8),
|
||||
};
|
||||
|
||||
static struct platform_device *platform_devs[] __initdata = {
|
||||
/* yet to be added, add i2c0, gpio.. */
|
||||
&u8500_gpio_devs[0],
|
||||
&u8500_gpio_devs[1],
|
||||
&u8500_gpio_devs[2],
|
||||
&u8500_gpio_devs[3],
|
||||
&u8500_gpio_devs[4],
|
||||
&u8500_gpio_devs[5],
|
||||
&u8500_gpio_devs[6],
|
||||
&u8500_gpio_devs[7],
|
||||
&u8500_gpio_devs[8],
|
||||
};
|
||||
|
||||
#define __IO_DEV_DESC(x, sz) { \
|
||||
@ -49,6 +123,10 @@ static struct map_desc u8500_io_desc[] __initdata = {
|
||||
__IO_DEV_DESC(U8500_CLKRST3_BASE, SZ_4K),
|
||||
__IO_DEV_DESC(U8500_CLKRST5_BASE, SZ_4K),
|
||||
__IO_DEV_DESC(U8500_CLKRST6_BASE, SZ_4K),
|
||||
__IO_DEV_DESC(U8500_GPIO1_BASE, SZ_4K),
|
||||
__IO_DEV_DESC(U8500_GPIO2_BASE, SZ_4K),
|
||||
__IO_DEV_DESC(U8500_GPIO3_BASE, SZ_4K),
|
||||
__IO_DEV_DESC(U8500_GPIO5_BASE, SZ_4K),
|
||||
};
|
||||
|
||||
static struct map_desc u8500ed_io_desc[] __initdata = {
|
||||
|
||||
12
arch/arm/mach-ux500/include/mach/gpio.h
Normal file
12
arch/arm/mach-ux500/include/mach/gpio.h
Normal file
@ -0,0 +1,12 @@
|
||||
#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.
|
||||
*/
|
||||
#define ARCH_NR_GPIOS 350
|
||||
|
||||
#include <plat/gpio.h>
|
||||
|
||||
#endif /* __ASM_ARCH_GPIO_H */
|
||||
@ -23,6 +23,8 @@
|
||||
|
||||
/* typesafe io address */
|
||||
#define __io_address(n) __io(IO_ADDRESS(n))
|
||||
/* used by some plat-nomadik code */
|
||||
#define io_p2v(n) __io_address(n)
|
||||
|
||||
/*
|
||||
* Base address definitions for U8500 Onchip IPs. All the
|
||||
@ -128,6 +130,16 @@
|
||||
#define U8500_GPIO1_BASE (U8500_PER1_BASE + 0xe000)
|
||||
#define U8500_CLKRST1_BASE (U8500_PER1_BASE + 0xf000)
|
||||
|
||||
#define U8500_GPIOBANK0_BASE U8500_GPIO1_BASE
|
||||
#define U8500_GPIOBANK1_BASE (U8500_GPIO1_BASE + 0x80)
|
||||
#define U8500_GPIOBANK2_BASE U8500_GPIO3_BASE
|
||||
#define U8500_GPIOBANK3_BASE (U8500_GPIO3_BASE + 0x80)
|
||||
#define U8500_GPIOBANK4_BASE (U8500_GPIO3_BASE + 0x100)
|
||||
#define U8500_GPIOBANK5_BASE (U8500_GPIO3_BASE + 0x180)
|
||||
#define U8500_GPIOBANK6_BASE U8500_GPIO2_BASE
|
||||
#define U8500_GPIOBANK7_BASE (U8500_GPIO2_BASE + 0x80)
|
||||
#define U8500_GPIOBANK8_BASE U8500_GPIO5_BASE
|
||||
|
||||
/* ST-Ericsson modified pl022 id */
|
||||
#define SSP_PER_ID 0x01080022
|
||||
|
||||
|
||||
@ -66,6 +66,12 @@
|
||||
/* There are 128 shared peripheral interrupts assigned to
|
||||
* INTID[160:32]. The first 32 interrupts are reserved.
|
||||
*/
|
||||
#define NR_IRQS 161
|
||||
#define U8500_SOC_NR_IRQS 161
|
||||
|
||||
/* After chip-specific IRQ numbers we have the GPIO ones */
|
||||
#define NOMADIK_NR_GPIO 288
|
||||
#define NOMADIK_GPIO_TO_IRQ(gpio) ((gpio) + U8500_SOC_NR_IRQS)
|
||||
#define NOMADIK_IRQ_TO_GPIO(irq) ((irq) - U8500_SOC_NR_IRQS)
|
||||
#define NR_IRQS NOMADIK_GPIO_TO_IRQ(NOMADIK_NR_GPIO)
|
||||
|
||||
#endif /*ASM_ARCH_IRQS_H*/
|
||||
|
||||
Loading…
Reference in New Issue
Block a user