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Commit a1999cd1 authored by Philipp Zabel's avatar Philipp Zabel Committed by Russell King
Browse files

[ARM] 5007/1: magician: properly request GPIOs used by the machine code itself 



Registers some GPIOs used in magician.c with the GPIO API.

Signed-off-by: default avatarPhilipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent a393c46b

arch/arm/mach-pxa/magician.c

+43 −8
Original line number Diff line number Diff line
@@ -543,9 +543,28 @@ static struct platform_device power_supply = { 
static int magician_mci_init(struct device *dev,

				irq_handler_t detect_irq, void *data)

{

	return request_irq(IRQ_MAGICIAN_SD, detect_irq,

	int err;



	err = request_irq(IRQ_MAGICIAN_SD, detect_irq,

				IRQF_DISABLED | IRQF_SAMPLE_RANDOM,

				"MMC card detect", data);

	if (err)

		goto err_request_irq;

	err = gpio_request(EGPIO_MAGICIAN_SD_POWER, "SD_POWER");

	if (err)

		goto err_request_power;

	err = gpio_request(EGPIO_MAGICIAN_nSD_READONLY, "nSD_READONLY");

	if (err)

		goto err_request_readonly;



	return 0;



err_request_readonly:

	gpio_free(EGPIO_MAGICIAN_SD_POWER);

err_request_power:

	free_irq(IRQ_MAGICIAN_SD, data);

err_request_irq:

	return err;

}



static void magician_mci_setpower(struct device *dev, unsigned int vdd)
@@ -562,6 +581,8 @@ static int magician_mci_get_ro(struct device *dev) 


static void magician_mci_exit(struct device *dev, void *data)

{

	gpio_free(EGPIO_MAGICIAN_nSD_READONLY);

	gpio_free(EGPIO_MAGICIAN_SD_POWER);

	free_irq(IRQ_MAGICIAN_SD, data);

}
@@ -643,28 +664,42 @@ static void __init magician_init(void) 
{

	void __iomem *cpld;

	int lcd_select;

	int err;



	gpio_request(GPIO13_MAGICIAN_CPLD_IRQ, "CPLD_IRQ");

	gpio_request(GPIO107_MAGICIAN_DS1WM_IRQ, "DS1WM_IRQ");



	pxa2xx_mfp_config(ARRAY_AND_SIZE(magician_pin_config));



	platform_add_devices(devices, ARRAY_SIZE(devices));



	err = gpio_request(GPIO83_MAGICIAN_nIR_EN, "nIR_EN");

	if (!err) {

		gpio_direction_output(GPIO83_MAGICIAN_nIR_EN, 1);

		pxa_set_ficp_info(&magician_ficp_info);

	}

	pxa_set_i2c_info(NULL);

	pxa_set_mci_info(&magician_mci_info);

	pxa_set_ohci_info(&magician_ohci_info);

	pxa_set_ficp_info(&magician_ficp_info);



	/* Check LCD type we have */

	cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000);

	if (cpld) {

		u8 board_id = __raw_readb(cpld+0x14);

		iounmap(cpld);

		system_rev = board_id & 0x7;

		lcd_select = board_id & 0x8;

		iounmap(cpld);

		pr_info("LCD type: %s\n", lcd_select ? "Samsung" : "Toppoly");

		if (lcd_select && (system_rev < 3))

			pxa_gpio_mode(GPIO75_MAGICIAN_SAMSUNG_POWER_MD);

		pxa_gpio_mode(GPIO104_MAGICIAN_LCD_POWER_1_MD);

		pxa_gpio_mode(GPIO105_MAGICIAN_LCD_POWER_2_MD);

		pxa_gpio_mode(GPIO106_MAGICIAN_LCD_POWER_3_MD);

		if (lcd_select && (system_rev < 3)) {

			gpio_request(GPIO75_MAGICIAN_SAMSUNG_POWER, "SAMSUNG_POWER");

			gpio_direction_output(GPIO75_MAGICIAN_SAMSUNG_POWER, 0);

		}

		gpio_request(GPIO104_MAGICIAN_LCD_POWER_1, "LCD_POWER_1");

		gpio_request(GPIO105_MAGICIAN_LCD_POWER_2, "LCD_POWER_2");

		gpio_request(GPIO106_MAGICIAN_LCD_POWER_3, "LCD_POWER_3");

		gpio_direction_output(GPIO104_MAGICIAN_LCD_POWER_1, 0);

		gpio_direction_output(GPIO105_MAGICIAN_LCD_POWER_2, 0);

		gpio_direction_output(GPIO106_MAGICIAN_LCD_POWER_3, 0);

		set_pxa_fb_info(lcd_select ? &samsung_info : &toppoly_info);

	} else

		pr_err("LCD detection: CPLD mapping failed\n");