static void __init omap_fsample_init(void)
{
- if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN)))
- nand_data.dev_ready = nand_dev_ready;
+ if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
+ BUG();
+ nand_data.dev_ready = nand_dev_ready;
omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
static void __init h2_init_smc91x(void)
{
- if ((omap_request_gpio(0)) < 0) {
+ if (gpio_request(0, "SMC91x irq") < 0) {
printk("Error requesting gpio 0 for smc91x irq\n");
return;
}
h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
h2_nand_resource.end += SZ_4K - 1;
- if (!(omap_request_gpio(H2_NAND_RB_GPIO_PIN)))
- h2_nand_data.dev_ready = h2_nand_dev_ready;
+ if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
+ BUG();
+ gpio_direction_input(H2_NAND_RB_GPIO_PIN);
omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
/* Irda */
#if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
- if (!(omap_request_gpio(H2_IRDA_FIRSEL_GPIO_PIN))) {
- gpio_direction_output(H2_IRDA_FIRSEL_GPIO_PIN, 0);
- h2_irda_data.transceiver_mode = h2_transceiver_mode;
- }
+ if (gpio_request(H2_IRDA_FIRSEL_GPIO_PIN, "IRDA mode") < 0)
+ BUG();
+ gpio_direction_output(H2_IRDA_FIRSEL_GPIO_PIN, 0);
+ h2_irda_data.transceiver_mode = h2_transceiver_mode;
#endif
platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
nand_resource.end += SZ_4K - 1;
- if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
- nand_data.dev_ready = nand_dev_ready;
+ if (gpio_request(H3_NAND_RB_GPIO_PIN, "NAND ready") < 0)
+ BUG();
+ nand_data.dev_ready = nand_dev_ready;
/* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
/* GPIO10 pullup/down register, Enable pullup on GPIO10 */
static void __init h3_init_smc91x(void)
{
omap_cfg_reg(W15_1710_GPIO40);
- if (omap_request_gpio(40) < 0) {
+ if (gpio_request(40, "SMC91x irq") < 0) {
printk("Error requesting gpio 40 for smc91x irq\n");
return;
}
OMAP1510_FPGA_RST);
udelay(750);
} else {
- if ((omap_request_gpio(0)) < 0) {
+ if (gpio_request(0, "SMC91x irq") < 0) {
printk("Error requesting gpio 0 for smc91x irq\n");
return;
}
static void ads7846_dev_init(void)
{
- if (omap_request_gpio(ADS7846_PENDOWN_GPIO) < 0)
+ if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0)
printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
}
static void __init palmte_misc_gpio_setup(void)
{
/* Set TSC2102 PINTDAV pin as input (used by TSC2102 driver) */
- if (omap_request_gpio(PALMTE_PINTDAV_GPIO)) {
+ if (gpio_request(PALMTE_PINTDAV_GPIO, "TSC2102 PINTDAV") < 0) {
printk(KERN_ERR "Could not reserve PINTDAV GPIO!\n");
return;
}
gpio_direction_input(PALMTE_PINTDAV_GPIO);
/* Set USB-or-DC-IN pin as input (unused) */
- if (omap_request_gpio(PALMTE_USB_OR_DC_GPIO)) {
+ if (gpio_request(PALMTE_USB_OR_DC_GPIO, "USB/DC-IN") < 0) {
printk(KERN_ERR "Could not reserve cable signal GPIO!\n");
return;
}
gpio_direction_output(1, 1);
} else {
/* Set MMC/SD host WP pin as input */
- if (omap_request_gpio(PALMZ71_MMC_WP_GPIO)) {
+ if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) {
printk(KERN_ERR "Could not reserve WP GPIO!\n");
return;
}
gpio_direction_input(PALMZ71_MMC_WP_GPIO);
/* Monitor the Power-cable-connected signal */
- if (omap_request_gpio(PALMZ71_USBDETECT_GPIO)) {
+ if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) {
printk(KERN_ERR
"Could not reserve cable signal GPIO!\n");
return;
static void __init omap_perseus2_init(void)
{
- if (!(omap_request_gpio(P2_NAND_RB_GPIO_PIN)))
- nand_data.dev_ready = nand_dev_ready;
+ if (gpio_request(P2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
+ BUG();
+ nand_data.dev_ready = nand_dev_ready;
omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
static void __init voiceblue_init(void)
{
/* Watchdog */
- omap_request_gpio(0);
+ gpio_request(0, "Watchdog");
/* smc91x reset */
- omap_request_gpio(7);
+ gpio_request(7, "SMC91x reset");
gpio_direction_output(7, 1);
udelay(2); /* wait at least 100ns */
gpio_set_value(7, 0);
mdelay(50); /* 50ms until PHY ready */
/* smc91x interrupt pin */
- omap_request_gpio(8);
+ gpio_request(8, "SMC91x irq");
/* 16C554 reset*/
- omap_request_gpio(6);
+ gpio_request(6, "16C554 reset");
gpio_direction_output(6, 0);
/* 16C554 interrupt pins */
- omap_request_gpio(12);
- omap_request_gpio(13);
- omap_request_gpio(14);
- omap_request_gpio(15);
+ gpio_request(12, "16C554 irq");
+ gpio_request(13, "16C554 irq");
+ gpio_request(14, "16C554 irq");
+ gpio_request(15, "16C554 irq");
set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING);
set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING);
set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING);
* NOTE: For general GPIO/MPUIO access and interrupts, please see
* gpio.[ch]
*/
- omap_request_gpio(13);
+ gpio_request(13, "FPGA irq");
gpio_direction_input(13);
set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING);
set_irq_chained_handler(OMAP1510_INT_FPGA, innovator_fpga_IRQ_demux);
* that's a different kind of LED (just one color at a time).
*/
omap_cfg_reg(P18_1610_GPIO3);
- if (omap_request_gpio(3) == 0)
+ if (gpio_request(3, "LED red") == 0)
gpio_direction_output(3, 1);
else
printk(KERN_WARNING "LED: can't get GPIO3/red?\n");
omap_cfg_reg(MPUIO4);
- if (omap_request_gpio(OMAP_MPUIO(4)) == 0)
+ if (gpio_request(OMAP_MPUIO(4), "LED green") == 0)
gpio_direction_output(OMAP_MPUIO(4), 1);
else
printk(KERN_WARNING "LED: can't get MPUIO4/green?\n");
{
int ret;
- ret = omap_request_gpio(gpio_nr);
+ ret = gpio_request(gpio_nr, "UART wake");
if (ret < 0) {
printk(KERN_ERR "Could not request UART wake GPIO: %i\n",
gpio_nr);
ret = request_irq(gpio_to_irq(gpio_nr), &omap_serial_wake_interrupt,
IRQF_TRIGGER_RISING, "serial wakeup", NULL);
if (ret) {
- omap_free_gpio(gpio_nr);
+ gpio_free(gpio_nr);
printk(KERN_ERR "No interrupt for UART wake GPIO: %i\n",
gpio_nr);
return;
sdp2430_smc91x_resources[0].end = cs_mem_base + 0x30f;
udelay(100);
- if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) {
+ if (gpio_request(OMAP24XX_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
OMAP24XX_ETHR_GPIO_IRQ);
gpmc_cs_free(eth_cs);
udelay(100);
omap_cfg_reg(W4__24XX_GPIO74);
- if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) {
+ if (gpio_request(APOLLON_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
APOLLON_ETHR_GPIO_IRQ);
gpmc_cs_free(APOLLON_ETH_CS);
/* USB device */
/* DEVICE_SUSPEND */
omap_cfg_reg(P21_242X_GPIO12);
- omap_request_gpio(12);
+ gpio_request(12, "USB suspend");
gpio_direction_output(12, 0);
}
#include <linux/errno.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
+#include <linux/gpio.h>
#include <linux/usb/musb.h>
#include <mach/gpmc.h>
-#include <mach/gpio.h>
#include <mach/mux.h>
);
/* IRQ */
- status = omap_request_gpio(irq);
+ status = gpio_request(irq, "TUSB6010 irq");
if (status < 0) {
printk(error, 3, status);
return status;
smc91x_resources[1].start = gpio_to_irq(gpio);
smc91x_resources[1].end = gpio_to_irq(gpio);
- status = omap_request_gpio(gpio);
+ status = gpio_request(gpio, "SMC91x irq");
if (status < 0) {
printk(KERN_ERR "GPIO%d unavailable for smc91x IRQ\n", gpio);
return status;