ARM: pxa: Modularize Palm Tungsten|C

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 116 insertions, 31 deletions

diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c
index b8cda11b3013..73de8c596f19 100644
--- a/arch/arm/mach-pxa/palmtc.c
+++ b/arch/arm/mach-pxa/palmtc.c
@@ -25,6 +25,7 @@
 #include <linux/power_supply.h>
 #include <linux/gpio_keys.h>
 #include <linux/mtd/physmap.h>
+#include <linux/usb/gpio_vbus.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -116,6 +117,7 @@ static unsigned long palmtc_pin_config[] __initdata = {
 /******************************************************************************
  * SD/MMC card controller
  ******************************************************************************/
+#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 static struct pxamci_platform_data palmtc_mci_platform_data = {
         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
         .gpio_power             = GPIO_NR_PALMTC_SD_POWER,
@@ -124,9 +126,18 @@ static struct pxamci_platform_data palmtc_mci_platform_data = {
         .detect_delay_ms        = 200,
 };
 
+static void __init palmtc_mmc_init(void)
+{
+        pxa_set_mci_info(&palmtc_mci_platform_data);
+}
+#else
+static inline void palmtc_mmc_init(void) {}
+#endif
+
 /******************************************************************************
  * GPIO keys
  ******************************************************************************/
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 static struct gpio_keys_button palmtc_pxa_buttons[] = {
         {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
 };
@@ -144,9 +155,18 @@ static struct platform_device palmtc_pxa_keys = {
         },
 };
 
+static void __init palmtc_keys_init(void)
+{
+        platform_device_register(&palmtc_pxa_keys);
+}
+#else
+static inline void palmtc_keys_init(void) {}
+#endif
+
 /******************************************************************************
  * Backlight
  ******************************************************************************/
+#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 static int palmtc_backlight_init(struct device *dev)
 {
         int ret;
@@ -196,17 +216,35 @@ static struct platform_device palmtc_backlight = {
         },
 };
 
+static void __init palmtc_pwm_init(void)
+{
+        platform_device_register(&palmtc_backlight);
+}
+#else
+static inline void palmtc_pwm_init(void) {}
+#endif
+
 /******************************************************************************
  * IrDA
  ******************************************************************************/
+#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
 static struct pxaficp_platform_data palmtc_ficp_platform_data = {
         .gpio_pwdown            = GPIO_NR_PALMTC_IR_DISABLE,
         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 };
 
+static void __init palmtc_irda_init(void)
+{
+        pxa_set_ficp_info(&palmtc_ficp_platform_data);
+}
+#else
+static inline void palmtc_irda_init(void) {}
+#endif
+
 /******************************************************************************
  * Keyboard
  ******************************************************************************/
+#if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
 static const uint32_t palmtc_matrix_keys[] = {
         KEY(0, 0, KEY_F1),
         KEY(0, 1, KEY_X),
@@ -290,27 +328,63 @@ static struct platform_device palmtc_keyboard = {
                 .platform_data = &palmtc_keypad_platform_data,
         },
 };
+static void __init palmtc_mkp_init(void)
+{
+        platform_device_register(&palmtc_keyboard);
+}
+#else
+static inline void palmtc_mkp_init(void) {}
+#endif
 
 /******************************************************************************
  * UDC
  ******************************************************************************/
-static struct pxa2xx_udc_mach_info palmtc_udc_info __initdata = {
+#if defined(CONFIG_USB_GADGET_PXA25X)||defined(CONFIG_USB_GADGET_PXA25X_MODULE)
+static struct gpio_vbus_mach_info palmtc_udc_info = {
         .gpio_vbus              = GPIO_NR_PALMTC_USB_DETECT_N,
         .gpio_vbus_inverted     = 1,
         .gpio_pullup            = GPIO_NR_PALMTC_USB_POWER,
 };
 
+static struct platform_device palmtc_gpio_vbus = {
+        .name   = "gpio-vbus",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &palmtc_udc_info,
+        },
+};
+
+static void __init palmtc_udc_init(void)
+{
+        platform_device_register(&palmtc_gpio_vbus);
+};
+#else
+static inline void palmtc_udc_init(void) {}
+#endif
+
 /******************************************************************************
  * Touchscreen / Battery / GPIO-extender
  ******************************************************************************/
-static struct platform_device palmtc_ucb1400_core = {
+#if     defined(CONFIG_TOUCHSCREEN_UCB1400) || \
+        defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
+static struct platform_device palmtc_ucb1400_device = {
         .name   = "ucb1400_core",
         .id     = -1,
 };
 
+static void __init palmtc_ts_init(void)
+{
+        pxa_set_ac97_info(NULL);
+        platform_device_register(&palmtc_ucb1400_device);
+}
+#else
+static inline void palmtc_ts_init(void) {}
+#endif
+
 /******************************************************************************
  * NOR Flash
  ******************************************************************************/
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 static struct resource palmtc_flash_resource = {
         .start  = PXA_CS0_PHYS,
         .end    = PXA_CS0_PHYS + SZ_16M - 1,
@@ -356,24 +430,33 @@ static struct platform_device palmtc_flash = {
         },
 };
 
+static void __init palmtc_nor_init(void)
+{
+        platform_device_register(&palmtc_flash);
+}
+#else
+static inline void palmtc_nor_init(void) {}
+#endif
+
 /******************************************************************************
  * Framebuffer
  ******************************************************************************/
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 static struct pxafb_mode_info palmtc_lcd_modes[] = {
-{
-        .pixclock       = 115384,
-        .xres           = 320,
-        .yres           = 320,
-        .bpp            = 16,
-
-        .left_margin    = 27,
-        .right_margin   = 7,
-        .upper_margin   = 7,
-        .lower_margin   = 8,
-
-        .hsync_len      = 6,
-        .vsync_len      = 1,
-},
+        {
+                .pixclock       = 115384,
+                .xres           = 320,
+                .yres           = 320,
+                .bpp            = 16,
+
+                .left_margin    = 27,
+                .right_margin   = 7,
+                .upper_margin   = 7,
+                .lower_margin   = 8,
+
+                .hsync_len      = 6,
+                .vsync_len      = 1,
+        },
 };
 
 static struct pxafb_mach_info palmtc_lcd_screen = {
@@ -382,17 +465,17 @@ static struct pxafb_mach_info palmtc_lcd_screen = {
         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 };
 
+static void __init palmtc_lcd_init(void)
+{
+        set_pxa_fb_info(&palmtc_lcd_screen);
+}
+#else
+static inline void palmtc_lcd_init(void) {}
+#endif
+
 /******************************************************************************
  * Machine init
  ******************************************************************************/
-static struct platform_device *devices[] __initdata = {
-        &palmtc_backlight,
-        &palmtc_ucb1400_core,
-        &palmtc_keyboard,
-        &palmtc_pxa_keys,
-        &palmtc_flash,
-};
-
 static void __init palmtc_init(void)
 {
         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
@@ -402,13 +485,15 @@ static void __init palmtc_init(void)
         pxa_set_stuart_info(NULL);
         pxa_set_hwuart_info(NULL);
 
-        set_pxa_fb_info(&palmtc_lcd_screen);
-        pxa_set_mci_info(&palmtc_mci_platform_data);
-        pxa_set_udc_info(&palmtc_udc_info);
-        pxa_set_ac97_info(NULL);
-        pxa_set_ficp_info(&palmtc_ficp_platform_data);
-
-        platform_add_devices(devices, ARRAY_SIZE(devices));
+        palmtc_mmc_init();
+        palmtc_keys_init();
+        palmtc_pwm_init();
+        palmtc_irda_init();
+        palmtc_mkp_init();
+        palmtc_udc_init();
+        palmtc_ts_init();
+        palmtc_nor_init();
+        palmtc_lcd_init();
 };
 
 MACHINE_START(PALMTC, "Palm Tungsten|C")