redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

omap3: Fix support for the LEDs connected to GPIO outputs on IGEP v2board 

Select CONFIG_LEDS_GPIO to enable IGEP v2 LED support and control of supported
LEDs from userspace. Otherwise GPIO LEDs are exported as GPIO 26, 27 and 28 using
the gpiolib framework.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
hifive-unleashed-5.1
Enric Balletbo i Serra 2010-03-01 11:18:08 +00:00 committed by Tony Lindgren
parent 00df9384cc
commit 228893f9d2
1 changed files with 36 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
arch/arm/mach-omap2/board-igep0020.c
View File

@ -16,7 +16,6 @@
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/interrupt.h>
#include <linux/regulator/machine.h>
@ -39,8 +38,8 @@
#define IGEP2_SMSC911X_CS 5
#define IGEP2_SMSC911X_GPIO 176
#define IGEP2_GPIO_USBH_NRESET 24
#define IGEP2_GPIO_LED0_RED 26
#define IGEP2_GPIO_LED0_GREEN 27
#define IGEP2_GPIO_LED0_GREEN 26
#define IGEP2_GPIO_LED0_RED 27
#define IGEP2_GPIO_LED1_RED 28
#define IGEP2_GPIO_DVI_PUP 170
#define IGEP2_GPIO_WIFI_NPD 94
@ -355,34 +354,50 @@ static void __init igep2_display_init(void)
gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
}
#ifdef CONFIG_LEDS_TRIGGERS
static struct gpio_led gpio_leds[] = {
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
#include <linux/leds.h>
static struct gpio_led igep2_gpio_leds[] = {
{
.name = "GPIO_LED1_RED",
.name = "led0:red",
.gpio = IGEP2_GPIO_LED0_RED,
},
{
.name = "led0:green",
.default_trigger = "heartbeat",
.gpio = IGEP2_GPIO_LED0_GREEN,
},
{
.name = "led1:red",
.gpio = IGEP2_GPIO_LED1_RED,
},
};
static struct gpio_led_platform_data gpio_leds_info = {
.leds = gpio_leds,
.num_leds = ARRAY_SIZE(gpio_leds),
static struct gpio_led_platform_data igep2_led_pdata = {
.leds = igep2_gpio_leds,
.num_leds = ARRAY_SIZE(igep2_gpio_leds),
};
static struct platform_device leds_gpio = {
static struct platform_device igep2_led_device = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &gpio_leds_info,
.platform_data = &igep2_led_pdata,
},
};
static void __init igep2_init_led(void)
{
platform_device_register(&igep2_led_device);
}
#else
static inline void igep2_init_led(void) {}
#endif
static struct platform_device *igep2_devices[] __initdata = {
&igep2_dss_device,
#ifdef CONFIG_LEDS_TRIGGERS
&leds_gpio,
#endif
};
static void __init igep2_init_irq(void)
@ -471,31 +486,34 @@ static void __init igep2_init(void)
usb_ehci_init(&ehci_pdata);
igep2_flash_init();
igep2_init_led();
igep2_display_init();
igep2_init_smsc911x();
/* GPIO userspace leds */
if ((gpio_request(IGEP2_GPIO_LED0_RED, "GPIO_LED0_RED") == 0) &&
#if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
if ((gpio_request(IGEP2_GPIO_LED0_RED, "led0:red") == 0) &&
(gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) {
gpio_export(IGEP2_GPIO_LED0_RED, 0);
gpio_set_value(IGEP2_GPIO_LED0_RED, 0);
} else
pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "GPIO_LED0_GREEN") == 0) &&
if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "led0:green") == 0) &&
(gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) {
gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0);
} else
pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
#ifndef CONFIG_LEDS_TRIGGERS
if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_LED1_RED") == 0) &&
if ((gpio_request(IGEP2_GPIO_LED1_RED, "led1:red") == 0) &&
(gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) {
gpio_export(IGEP2_GPIO_LED1_RED, 0);
gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
} else
pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
#endif
/* GPIO W-LAN + Bluetooth combo module */
if ((gpio_request(IGEP2_GPIO_WIFI_NPD, "GPIO_WIFI_NPD") == 0) &&
(gpio_direction_output(IGEP2_GPIO_WIFI_NPD, 1) == 0)) {