[ARM] 5007/1: magician: properly request GPIOs used by the machine code itself
authorPhilipp Zabel <philipp.zabel@gmail.com>
Sun, 20 Apr 2008 16:39:12 +0000 (17:39 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Mon, 21 Apr 2008 11:47:47 +0000 (12:47 +0100)
Registers some GPIOs used in magician.c with the GPIO API.

Signed-off-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mach-pxa/magician.c

index d70be75bd199552d63cbc7d851d9fbd39f87d4c4..e0c7135a154488825be5d21aa3d092d0cea9b9aa 100644 (file)
@@ -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");