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add gpio-buttons devices

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SVN-Revision: 12544
This commit is contained in:
Gabor Juhos 2008-09-07 09:47:37 +00:00
parent dd8499cc26
commit b63a7c8640
4 changed files with 100 additions and 0 deletions
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27
target/linux/ar71xx/files/arch/mips/ar71xx/mach-rb-4xx.c
View file

@ -15,6 +15,7 @@
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/spi/mmc_spi.h>
#include <linux/input.h>
#include <asm/mips_machine.h>
#include <asm/mach-ar71xx/ar71xx.h>
@ -22,6 +23,9 @@
#include <asm/mach-ar71xx/platform.h>
#define RB4XX_GPIO_USER_LED 4
#define RB4XX_GPIO_RESET_SWITCH 7
#define RB4XX_BUTTONS_POLL_INTERVAL 20
static struct gpio_led rb4xx_leds_gpio[] __initdata = {
{
@ -31,6 +35,17 @@ static struct gpio_led rb4xx_leds_gpio[] __initdata = {
},
};
static struct gpio_button rb4xx_gpio_buttons[] __initdata = {
{
.desc = "reset_switch",
.type = EV_KEY,
.code = BTN_0,
.threshold = 5,
.gpio = RB4XX_GPIO_RESET_SWITCH,
.active_low = 1,
}
};
static struct platform_device rb4xx_nand_device = {
.name = "rb4xx-nand",
.id = -1,
@ -145,6 +160,10 @@ static void __init rb411_setup(void)
ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
rb4xx_leds_gpio);
ar71xx_add_device_gpio_buttons(-1, RB4XX_BUTTONS_POLL_INTERVAL,
ARRAY_SIZE(rb4xx_gpio_buttons),
rb4xx_gpio_buttons);
platform_device_register(&rb4xx_nand_device);
ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
@ -163,6 +182,10 @@ static void __init rb433_setup(void)
ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
rb4xx_leds_gpio);
ar71xx_add_device_gpio_buttons(-1, RB4XX_BUTTONS_POLL_INTERVAL,
ARRAY_SIZE(rb4xx_gpio_buttons),
rb4xx_gpio_buttons);
platform_device_register(&rb4xx_nand_device);
ar71xx_pci_init(ARRAY_SIZE(rb4xx_pci_irqs), rb4xx_pci_irqs);
@ -181,6 +204,10 @@ static void __init rb450_setup(void)
ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(rb4xx_leds_gpio),
rb4xx_leds_gpio);
ar71xx_add_device_gpio_buttons(-1, RB4XX_BUTTONS_POLL_INTERVAL,
ARRAY_SIZE(rb4xx_gpio_buttons),
rb4xx_gpio_buttons);
platform_device_register(&rb4xx_nand_device);
}

25
target/linux/ar71xx/files/arch/mips/ar71xx/mach-wp543.c
View file

@ -12,17 +12,22 @@
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/input.h>
#include <asm/mips_machine.h>
#include <asm/mach-ar71xx/ar71xx.h>
#include <asm/mach-ar71xx/pci.h>
#include <asm/mach-ar71xx/platform.h>
#define WP543_GPIO_SW6 2
#define WP543_GPIO_LED_1 3
#define WP543_GPIO_LED_2 4
#define WP543_GPIO_LED_WLAN 5
#define WP543_GPIO_LED_CONN 6
#define WP543_GPIO_LED_DIAG 7
#define WP543_GPIO_SW4 8
#define WP543_BUTTONS_POLL_INTERVAL 20
static struct flash_platform_data wp543_flash_data = {
/* TODO: add partition map */
@ -74,6 +79,22 @@ static struct gpio_led wp543_leds_gpio[] __initdata = {
}
};
static struct gpio_button wp543_gpio_buttons[] __initdata = {
{
.desc = "sw6",
.type = EV_KEY,
.code = BTN_0,
.threshold = 5,
.gpio = WP543_GPIO_SW6,
}, {
.desc = "sw4",
.type = EV_KEY,
.code = BTN_1,
.threshold = 5,
.gpio = WP543_GPIO_SW4,
}
};
static void __init wp543_setup(void)
{
ar71xx_add_device_spi(NULL, wp543_spi_info, ARRAY_SIZE(wp543_spi_info));
@ -87,6 +108,10 @@ static void __init wp543_setup(void)
ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(wp543_leds_gpio),
wp543_leds_gpio);
ar71xx_add_device_gpio_buttons(-1, WP543_BUTTONS_POLL_INTERVAL,
ARRAY_SIZE(wp543_gpio_buttons),
wp543_gpio_buttons);
}
MIPS_MACHINE(MACH_AR71XX_WP543, "Compex WP543", wp543_setup);

42
target/linux/ar71xx/files/arch/mips/ar71xx/platform.c
View file

@ -372,6 +372,48 @@ err_free_leds:
kfree(p);
}
void __init ar71xx_add_device_gpio_buttons(int id,
unsigned poll_interval,
unsigned nbuttons,
struct gpio_button *buttons)
{
struct platform_device *pdev;
struct gpio_buttons_platform_data pdata;
struct gpio_button *p;
int err;
p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL);
if (!p)
return;
memcpy(p, buttons, nbuttons * sizeof(*p));
pdev = platform_device_alloc("gpio-buttons", id);
if (!pdev)
goto err_free_buttons;
pdata.poll_interval = poll_interval;
pdata.nbuttons = nbuttons;
pdata.buttons = p;
err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
if (err)
goto err_put_pdev;
err = platform_device_add(pdev);
if (err)
goto err_put_pdev;
return;
err_put_pdev:
platform_device_put(pdev);
err_free_buttons:
kfree(p);
}
void __init ar71xx_set_mac_base(char *mac_str)
{
u8 tmp[ETH_ALEN];

6
target/linux/ar71xx/files/include/asm-mips/mach-ar71xx/platform.h
View file

@ -17,6 +17,7 @@
#include <linux/phy.h>
#include <linux/spi/spi.h>
#include <linux/leds.h>
#include <linux/gpio_buttons.h>
struct ag71xx_platform_data {
u32 reset_bit;
@ -54,4 +55,9 @@ extern void ar71xx_add_device_leds_gpio(int id,
unsigned num_leds,
struct gpio_led *leds) __init;
extern void ar71xx_add_device_gpio_buttons(int id,
unsigned poll_interval,
unsigned nbuttons,
struct gpio_button *buttons) __init;
#endif /* __ASM_MACH_AR71XX_PLATFORM_H */