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authorMarek Vasut <marek.vasut@gmail.com>2010-07-27 01:37:44 +0200
committerEric Miao <eric.y.miao@gmail.com>2010-08-05 14:32:44 +0800
commit12a2449c79686964a36b17175970a8e1c19b4cf7 (patch)
tree548c20834af66350af0bd305e9510ca496b14187 /arch/arm/mach-pxa/balloon3.c
parentb0240bf4d4fac099e067c206234aed4528d70ca9 (diff)
downloadop-kernel-dev-12a2449c79686964a36b17175970a8e1c19b4cf7.zip
op-kernel-dev-12a2449c79686964a36b17175970a8e1c19b4cf7.tar.gz
[ARM] pxa/balloon3: Machine file cleanup
Modularize components of the Balloon3 board. Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Diffstat (limited to 'arch/arm/mach-pxa/balloon3.c')
-rw-r--r--arch/arm/mach-pxa/balloon3.c354
1 files changed, 231 insertions, 123 deletions
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index 8adb87a..572525c 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -22,6 +22,7 @@
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/ioport.h>
+#include <linux/ucb1400.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/types.h>
@@ -61,35 +62,136 @@ static unsigned long balloon3_pin_config[] __initdata = {
GPIO44_BTUART_CTS,
GPIO45_BTUART_RTS,
- /* Wakeup GPIO */
+ /* Reset, configured as GPIO wakeup source */
GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
- /* NAND & IDLE LED GPIOs */
- GPIO9_GPIO,
- GPIO10_GPIO,
-};
+ /* LEDs */
+ GPIO9_GPIO, /* NAND activity LED */
+ GPIO10_GPIO, /* Heartbeat LED */
-/******************************************************************************
- * Audio and Touchscreen
- ******************************************************************************/
-static unsigned long balloon3_ac97_pin_config[] = {
+ /* AC97 */
GPIO28_AC97_BITCLK,
GPIO29_AC97_SDATA_IN_0,
GPIO30_AC97_SDATA_OUT,
GPIO31_AC97_SYNC,
GPIO113_AC97_nRESET,
+ GPIO95_GPIO,
+
+ /* MMC */
+ GPIO32_MMC_CLK,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+ GPIO112_MMC_CMD,
+
+ /* USB Host */
+ GPIO88_USBH1_PWR,
+ GPIO89_USBH1_PEN,
};
/******************************************************************************
- * Framebuffer
+ * Compatibility: Parameter parsing
******************************************************************************/
+static unsigned long balloon3_irq_enabled;
-static void balloon3_backlight_power(int on)
+static unsigned long balloon3_features_present =
+ (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) |
+ (1 << BALLOON3_FEATURE_AUDIO) |
+ (1 << BALLOON3_FEATURE_TOPPOLY);
+
+int balloon3_has(enum balloon3_features feature)
{
- pr_debug("%s: power is %s\n", __func__, on ? "on" : "off");
- gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on);
+ return (balloon3_features_present & (1 << feature)) ? 1 : 0;
+}
+EXPORT_SYMBOL_GPL(balloon3_has);
+
+int __init parse_balloon3_features(char *arg)
+{
+ if (!arg)
+ return 0;
+
+ return strict_strtoul(arg, 0, &balloon3_features_present);
}
+early_param("balloon3_features", parse_balloon3_features);
+/******************************************************************************
+ * NOR Flash
+ ******************************************************************************/
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+static struct mtd_partition balloon3_nor_partitions[] = {
+ {
+ .name = "Flash",
+ .offset = 0x00000000,
+ .size = MTDPART_SIZ_FULL,
+ }
+};
+
+static struct physmap_flash_data balloon3_flash_data[] = {
+ {
+ .width = 2, /* bankwidth in bytes */
+ .parts = balloon3_nor_partitions,
+ .nr_parts = ARRAY_SIZE(balloon3_nor_partitions)
+ }
+};
+
+static struct resource balloon3_flash_resource = {
+ .start = PXA_CS0_PHYS,
+ .end = PXA_CS0_PHYS + SZ_64M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device balloon3_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .resource = &balloon3_flash_resource,
+ .num_resources = 1,
+ .dev = {
+ .platform_data = balloon3_flash_data,
+ },
+};
+static void __init balloon3_nor_init(void)
+{
+ platform_device_register(&balloon3_flash);
+}
+#else
+static inline void balloon3_nor_init(void) {}
+#endif
+
+/******************************************************************************
+ * Audio and Touchscreen
+ ******************************************************************************/
+#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
+ defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
+static struct ucb1400_pdata vpac270_ucb1400_pdata = {
+ .irq = IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ),
+};
+
+
+static struct platform_device balloon3_ucb1400_device = {
+ .name = "ucb1400_core",
+ .id = -1,
+ .dev = {
+ .platform_data = &vpac270_ucb1400_pdata,
+ },
+};
+
+static void __init balloon3_ts_init(void)
+{
+ if (!balloon3_has(BALLOON3_FEATURE_AUDIO))
+ return;
+
+ pxa_set_ac97_info(NULL);
+ platform_device_register(&balloon3_ucb1400_device);
+}
+#else
+static inline void balloon3_ts_init(void) {}
+#endif
+
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info balloon3_lcd_modes[] = {
{
.pixclock = 38000,
@@ -106,102 +208,147 @@ static struct pxafb_mode_info balloon3_lcd_modes[] = {
},
};
-static struct pxafb_mach_info balloon3_pxafb_info = {
+static struct pxafb_mach_info balloon3_lcd_screen = {
.modes = balloon3_lcd_modes,
.num_modes = ARRAY_SIZE(balloon3_lcd_modes),
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
- .pxafb_backlight_power = balloon3_backlight_power,
};
-/******************************************************************************
- * SD/MMC card controller
- ******************************************************************************/
-static unsigned long balloon3_mmc_pin_config[] = {
- GPIO32_MMC_CLK,
- GPIO92_MMC_DAT_0,
- GPIO109_MMC_DAT_1,
- GPIO110_MMC_DAT_2,
- GPIO111_MMC_DAT_3,
- GPIO112_MMC_CMD,
-};
+static void balloon3_backlight_power(int on)
+{
+ gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on);
+}
-static void balloon3_mci_setpower(struct device *dev, unsigned int vdd)
+static void __init balloon3_lcd_init(void)
{
- struct pxamci_platform_data *p_d = dev->platform_data;
-
- if ((1 << vdd) & p_d->ocr_mask) {
- pr_debug("%s: on\n", __func__);
- /* FIXME something to prod here? */
- } else {
- pr_debug("%s: off\n", __func__);
- /* FIXME something to prod here? */
+ int ret;
+
+ if (!balloon3_has(BALLOON3_FEATURE_TOPPOLY))
+ return;
+
+ ret = gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT, "BKL-ON");
+ if (ret) {
+ pr_err("Requesting BKL-ON GPIO failed!\n");
+ goto err;
+ }
+
+ ret = gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1);
+ if (ret) {
+ pr_err("Setting BKL-ON GPIO direction failed!\n");
+ goto err2;
}
+
+ balloon3_lcd_screen.pxafb_backlight_power = balloon3_backlight_power;
+ set_pxa_fb_info(&balloon3_lcd_screen);
+ return;
+
+err2:
+ gpio_free(BALLOON3_GPIO_RUN_BACKLIGHT);
+err:
+ return;
}
+#else
+static inline void balloon3_lcd_init(void) {}
+#endif
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data balloon3_mci_platform_data = {
- .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
- .setpower = balloon3_mci_setpower,
+ .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .gpio_card_detect = -1,
+ .gpio_card_ro = -1,
+ .gpio_power = -1,
+ .detect_delay_ms = 200,
};
+static void __init balloon3_mmc_init(void)
+{
+ pxa_set_mci_info(&balloon3_mci_platform_data);
+}
+#else
+static inline void balloon3_mmc_init(void) {}
+#endif
+
/******************************************************************************
* USB Gadget
******************************************************************************/
-static int balloon3_udc_is_connected(void)
+#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
+static void balloon3_udc_command(int cmd)
{
- pr_debug("%s: udc connected\n", __func__);
- return 1;
+ if (cmd == PXA2XX_UDC_CMD_CONNECT)
+ UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE;
+ else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
+ UP2OCR &= ~UP2OCR_DPPUE;
}
-static void balloon3_udc_command(int cmd)
+static int balloon3_udc_is_connected(void)
{
- switch (cmd) {
- case PXA2XX_UDC_CMD_CONNECT:
- UP2OCR |= (UP2OCR_DPPUE + UP2OCR_DPPUBE);
- pr_debug("%s: connect\n", __func__);
- break;
- case PXA2XX_UDC_CMD_DISCONNECT:
- UP2OCR &= ~UP2OCR_DPPUE;
- pr_debug("%s: disconnect\n", __func__);
- break;
- }
+ return 1;
}
-static struct pxa2xx_udc_mach_info balloon3_udc_info = {
- .udc_is_connected = balloon3_udc_is_connected,
- .udc_command = balloon3_udc_command,
+static struct pxa2xx_udc_mach_info balloon3_udc_info __initdata = {
+ .udc_command = balloon3_udc_command,
+ .udc_is_connected = balloon3_udc_is_connected,
+ .gpio_pullup = -1,
};
+static void __init balloon3_udc_init(void)
+{
+ pxa_set_udc_info(&balloon3_udc_info);
+ platform_device_register(&balloon3_gpio_vbus);
+}
+#else
+static inline void balloon3_udc_init(void) {}
+#endif
+
/******************************************************************************
* IrDA
******************************************************************************/
+#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
static struct pxaficp_platform_data balloon3_ficp_platform_data = {
- .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
+ .transceiver_cap = IR_FIRMODE | IR_SIRMODE | IR_OFF,
};
+static void __init balloon3_irda_init(void)
+{
+ pxa_set_ficp_info(&balloon3_ficp_platform_data);
+}
+#else
+static inline void balloon3_irda_init(void) {}
+#endif
+
/******************************************************************************
* USB Host
******************************************************************************/
-static unsigned long balloon3_ohci_pin_config[] = {
- GPIO88_USBH1_PWR,
- GPIO89_USBH1_PEN,
-};
-
-static struct pxaohci_platform_data balloon3_ohci_platform_data = {
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static struct pxaohci_platform_data balloon3_ohci_info = {
.port_mode = PMM_PERPORT_MODE,
.flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
};
+static void __init balloon3_uhc_init(void)
+{
+ if (!balloon3_has(BALLOON3_FEATURE_OHCI))
+ return;
+ pxa_set_ohci_info(&balloon3_ohci_info);
+}
+#else
+static inline void balloon3_uhc_init(void) {}
+#endif
+
/******************************************************************************
- * LED
+ * LEDs
******************************************************************************/
-static struct gpio_led balloon3_gpio_leds[] = {
+#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+struct gpio_led balloon3_gpio_leds[] = {
{
.name = "balloon3:green:idle",
.default_trigger = "heartbeat",
.gpio = BALLOON3_GPIO_LED_IDLE,
.active_low = 1,
- },
- {
+ }, {
.name = "balloon3:green:nand",
.default_trigger = "nand-disk",
.gpio = BALLOON3_GPIO_LED_NAND,
@@ -209,43 +356,26 @@ static struct gpio_led balloon3_gpio_leds[] = {
},
};
-static struct gpio_led_platform_data balloon3_gpio_leds_platform_data = {
+static struct gpio_led_platform_data balloon3_gpio_led_info = {
.leds = balloon3_gpio_leds,
.num_leds = ARRAY_SIZE(balloon3_gpio_leds),
};
-static struct platform_device balloon3led_device = {
+static struct platform_device balloon3_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
- .platform_data = &balloon3_gpio_leds_platform_data,
- },
+ .platform_data = &balloon3_gpio_led_info,
+ }
};
-/******************************************************************************
- * Compatibility: Parameter parsing
- ******************************************************************************/
-static unsigned long balloon3_irq_enabled;
-
-static unsigned long balloon3_features_present =
- (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) |
- (1 << BALLOON3_FEATURE_AUDIO) |
- (1 << BALLOON3_FEATURE_TOPPOLY);
-
-int balloon3_has(enum balloon3_features feature)
+static void __init balloon3_leds_init(void)
{
- return (balloon3_features_present & (1 << feature)) ? 1 : 0;
+ platform_device_register(&balloon3_leds);
}
-EXPORT_SYMBOL_GPL(balloon3_has);
-
-int __init parse_balloon3_features(char *arg)
-{
- if (!arg)
- return 0;
-
- return strict_strtoul(arg, 0, &balloon3_features_present);
-}
-early_param("balloon3_features", parse_balloon3_features);
+#else
+static inline void balloon3_leds_init(void) {}
+#endif
/******************************************************************************
* FPGA IRQ
@@ -314,46 +444,24 @@ static void __init balloon3_init_irq(void)
******************************************************************************/
static void __init balloon3_init(void)
{
- pr_info("Initialising Balloon3\n");
-
- /* system bus arbiter setting
- * - Core_Park
- * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
- */
ARB_CNTRL = ARB_CORE_PARK | 0x234;
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config));
+
pxa_set_ffuart_info(NULL);
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);
pxa_set_i2c_info(NULL);
- if (balloon3_has(BALLOON3_FEATURE_AUDIO)) {
- pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ac97_pin_config));
- pxa_set_ac97_info(NULL);
- }
-
- if (balloon3_has(BALLOON3_FEATURE_TOPPOLY)) {
- pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_lcd_pin_config));
- gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT,
- "LCD Backlight Power");
- gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1);
- set_pxa_fb_info(&balloon3_pxafb_info);
- }
-
- if (balloon3_has(BALLOON3_FEATURE_MMC)) {
- pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_mmc_pin_config));
- pxa_set_mci_info(&balloon3_mci_platform_data);
- }
- pxa_set_ficp_info(&balloon3_ficp_platform_data);
- if (balloon3_has(BALLOON3_FEATURE_OHCI)) {
- pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ohci_pin_config));
- pxa_set_ohci_info(&balloon3_ohci_platform_data);
- }
- pxa_set_udc_info(&balloon3_udc_info);
-
- pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config));
- platform_device_register(&balloon3led_device);
+ balloon3_irda_init();
+ balloon3_lcd_init();
+ balloon3_leds_init();
+ balloon3_mmc_init();
+ balloon3_nor_init();
+ balloon3_ts_init();
+ balloon3_udc_init();
+ balloon3_uhc_init();
}
static struct map_desc balloon3_io_desc[] __initdata = {
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