DSS2: Beagle: Use gpio_set_value
[pandora-kernel.git] / arch / arm / mach-omap2 / board-omap3beagle.c
index fdce787..d6622f1 100644 (file)
 #include <linux/clk.h>
 #include <linux/io.h>
 #include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
 
-#include <asm/hardware.h>
+#include <linux/i2c/twl4030.h>
+#include <linux/omapfb.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
+
+#include <mach/hardware.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <mach/board.h>
+#include <mach/usb-musb.h>
+#include <mach/usb-ehci.h>
+#include <mach/hsmmc.h>
+#include <mach/common.h>
+#include <mach/gpmc.h>
+#include <mach/nand.h>
+#include <mach/mux.h>
+#include <mach/display.h>
+
+
+#define GPMC_CS0_BASE  0x60
+#define GPMC_CS_SIZE   0x30
+
+#define NAND_BLOCK_SIZE                SZ_128K
+
+static struct mtd_partition omap3beagle_nand_partitions[] = {
+       /* All the partition sizes are listed in terms of NAND block size */
+       {
+               .name           = "X-Loader",
+               .offset         = 0,
+               .size           = 4 * NAND_BLOCK_SIZE,
+               .mask_flags     = MTD_WRITEABLE,        /* force read-only */
+       },
+       {
+               .name           = "U-Boot",
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x80000 */
+               .size           = 15 * NAND_BLOCK_SIZE,
+               .mask_flags     = MTD_WRITEABLE,        /* force read-only */
+       },
+       {
+               .name           = "U-Boot Env",
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x260000 */
+               .size           = 1 * NAND_BLOCK_SIZE,
+       },
+       {
+               .name           = "Kernel",
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x280000 */
+               .size           = 32 * NAND_BLOCK_SIZE,
+       },
+       {
+               .name           = "File System",
+               .offset         = MTDPART_OFS_APPEND,   /* Offset = 0x680000 */
+               .size           = MTDPART_SIZ_FULL,
+       },
+};
+
+static struct omap_nand_platform_data omap3beagle_nand_data = {
+       .options        = NAND_BUSWIDTH_16,
+       .parts          = omap3beagle_nand_partitions,
+       .nr_parts       = ARRAY_SIZE(omap3beagle_nand_partitions),
+       .dma_channel    = -1,           /* disable DMA in OMAP NAND driver */
+       .nand_setup     = NULL,
+       .dev_ready      = NULL,
+};
 
-#include <asm/arch/gpio.h>
-#include <asm/arch/board.h>
-#include <asm/arch/usb-musb.h>
-#include <asm/arch/usb-ehci.h>
-#include <asm/arch/hsmmc.h>
-#include <asm/arch/common.h>
+static struct resource omap3beagle_nand_resource = {
+       .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device omap3beagle_nand_device = {
+       .name           = "omap2-nand",
+       .id             = -1,
+       .dev            = {
+               .platform_data  = &omap3beagle_nand_data,
+       },
+       .num_resources  = 1,
+       .resource       = &omap3beagle_nand_resource,
+};
+
+#include "sdram-micron-mt46h32m32lf-6.h"
 
 static struct omap_uart_config omap3_beagle_uart_config __initdata = {
        .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
 };
 
+static struct twl4030_usb_data beagle_usb_data = {
+       .usb_mode       = T2_USB_MODE_ULPI,
+};
+
+static struct gpio_led gpio_leds[];
+
+static int beagle_twl_gpio_setup(struct device *dev,
+               unsigned gpio, unsigned ngpio)
+{
+       /* gpio + 0 is "mmc0_cd" (input/IRQ) */
+
+       /* REVISIT: need ehci-omap hooks for external VBUS
+        * power switch and overcurrent detect
+        */
+
+       gpio_request(gpio + 1, "EHCI_nOC");
+       gpio_direction_input(gpio + 1);
+
+       /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
+       gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
+       gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
+
+       /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
+       gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+
+       return 0;
+}
+
+static struct twl4030_gpio_platform_data beagle_gpio_data = {
+       .gpio_base      = OMAP_MAX_GPIO_LINES,
+       .irq_base       = TWL4030_GPIO_IRQ_BASE,
+       .irq_end        = TWL4030_GPIO_IRQ_END,
+       .use_leds       = true,
+       .pullups        = BIT(1),
+       .pulldowns      = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
+                               | BIT(15) | BIT(16) | BIT(17),
+       .setup          = beagle_twl_gpio_setup,
+};
+
+static struct twl4030_platform_data beagle_twldata = {
+       .irq_base       = TWL4030_IRQ_BASE,
+       .irq_end        = TWL4030_IRQ_END,
+
+       /* platform_data for children goes here */
+       .usb            = &beagle_usb_data,
+       .gpio           = &beagle_gpio_data,
+};
+
+static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
+       {
+               I2C_BOARD_INFO("twl4030", 0x48),
+               .flags = I2C_CLIENT_WAKE,
+               .irq = INT_34XX_SYS_NIRQ,
+               .platform_data = &beagle_twldata,
+       },
+};
+
 static int __init omap3_beagle_i2c_init(void)
 {
-       omap_register_i2c_bus(1, 2600, NULL, 0);
+       omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
+                       ARRAY_SIZE(beagle_i2c_boardinfo));
+#ifdef CONFIG_I2C2_OMAP_BEAGLE
        omap_register_i2c_bus(2, 400, NULL, 0);
+#endif
        omap_register_i2c_bus(3, 400, NULL, 0);
        return 0;
 }
 
 static void __init omap3_beagle_init_irq(void)
 {
-       omap2_init_common_hw();
+       omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
        omap_init_irq();
        omap_gpio_init();
 }
 
-static struct omap_mmc_config omap3beagle_mmc_config __initdata = {
-       .mmc [0] = {
-               .enabled        = 1,
-               .wire4          = 1,
-       },
-};
-
-static struct platform_device omap3_beagle_twl4030rtc_device = {
-       .name           = "twl4030_rtc",
-       .id             = -1,
-};
-
 static struct platform_device omap3_beagle_lcd_device = {
        .name           = "omap3beagle_lcd",
        .id             = -1,
 };
 
-static struct omap_lcd_config omap3_beagle_lcd_config __initdata = {
-       .ctrl_name      = "internal",
-};
-
-struct gpio_led gpio_leds[] = {
+static struct gpio_led gpio_leds[] = {
        {
-               .name                   = "beagleboard::led0",
-               .default_trigger        = "none",
+               .name                   = "beagleboard::usr0",
+               .default_trigger        = "heartbeat",
+               .gpio                   = 150,
+       },
+       {
+               .name                   = "beagleboard::usr1",
+               .default_trigger        = "mmc0",
                .gpio                   = 149,
        },
        {
-               .name                   = "beagleboard::led1",
-               .default_trigger        = "none",
-               .gpio                   = 150,
+               .name                   = "beagleboard::pmu_stat",
+               .gpio                   = -EINVAL,      /* gets replaced */
+               .active_low             = true,
        },
 };
 
@@ -99,33 +224,184 @@ static struct platform_device leds_gpio = {
        },
 };
 
+static struct gpio_keys_button gpio_buttons[] = {
+       {
+               .code                   = BTN_EXTRA,
+               .gpio                   = 7,
+               .desc                   = "user",
+               .wakeup                 = 1,
+       },
+};
+
+static struct gpio_keys_platform_data gpio_key_info = {
+       .buttons        = gpio_buttons,
+       .nbuttons       = ARRAY_SIZE(gpio_buttons),
+};
+
+static struct platform_device keys_gpio = {
+       .name   = "gpio-keys",
+       .id     = -1,
+       .dev    = {
+               .platform_data  = &gpio_key_info,
+       },
+};
+
+/* DSS */
+
+static int beagle_enable_dvi(struct omap_display *display)
+{
+       if (display->hw_config.panel_reset_gpio != -1)
+               gpio_set_value(display->hw_config.panel_reset_gpio, 1);
+
+       return 0;
+}
+
+static void beagle_disable_dvi(struct omap_display *display)
+{
+       if (display->hw_config.panel_reset_gpio != -1)
+               gpio_set_value(display->hw_config.panel_reset_gpio, 0);
+}
+
+static struct omap_dss_display_config beagle_display_data_dvi = {
+       .type = OMAP_DISPLAY_TYPE_DPI,
+       .name = "dvi",
+       .panel_name = "panel-generic",
+       .u.dpi.data_lines = 24,
+       .panel_reset_gpio = 170,
+       .panel_enable = beagle_enable_dvi,
+       .panel_disable = beagle_disable_dvi,
+};
+
+
+static int beagle_panel_enable_tv(struct omap_display *display)
+{
+#define ENABLE_VDAC_DEDICATED           0x03
+#define ENABLE_VDAC_DEV_GRP             0x20
+
+       twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+                       ENABLE_VDAC_DEDICATED,
+                       TWL4030_VDAC_DEDICATED);
+       twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
+                       ENABLE_VDAC_DEV_GRP, TWL4030_VDAC_DEV_GRP);
+
+       return 0;
+}
+
+static void beagle_panel_disable_tv(struct omap_display *display)
+{
+       twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
+                       TWL4030_VDAC_DEDICATED);
+       twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
+                       TWL4030_VDAC_DEV_GRP);
+}
+
+static struct omap_dss_display_config beagle_display_data_tv = {
+       .type = OMAP_DISPLAY_TYPE_VENC,
+       .name = "tv",
+       .u.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
+       .panel_enable = beagle_panel_enable_tv,
+       .panel_disable = beagle_panel_disable_tv,
+};
+
+static struct omap_dss_board_info beagle_dss_data = {
+       .num_displays = 2,
+       .displays = {
+               &beagle_display_data_dvi,
+               &beagle_display_data_tv,
+       }
+};
+
+static struct platform_device beagle_dss_device = {
+       .name          = "omapdss",
+       .id            = -1,
+       .dev            = {
+               .platform_data = &beagle_dss_data,
+       },
+};
+
+static void __init beagle_display_init(void)
+{
+       int r;
+
+       r = gpio_request(beagle_display_data_dvi.panel_reset_gpio, "DVI reset");
+       if (r < 0) {
+               printk(KERN_ERR "Unable to get DVI reset GPIO\n");
+               return;
+       }
+
+       gpio_direction_output(beagle_display_data_dvi.panel_reset_gpio, 0);
+}
+
 static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
        { OMAP_TAG_UART,        &omap3_beagle_uart_config },
-       { OMAP_TAG_MMC,         &omap3beagle_mmc_config },
-       { OMAP_TAG_LCD,         &omap3_beagle_lcd_config },
 };
 
 static struct platform_device *omap3_beagle_devices[] __initdata = {
-       &omap3_beagle_lcd_device,
-#ifdef CONFIG_RTC_DRV_TWL4030
-       &omap3_beagle_twl4030rtc_device,
-#endif
+       &beagle_dss_device,
        &leds_gpio,
+       &keys_gpio,
 };
 
+static void __init omap3beagle_flash_init(void)
+{
+       u8 cs = 0;
+       u8 nandcs = GPMC_CS_NUM + 1;
+
+       u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
+
+       /* find out the chip-select on which NAND exists */
+       while (cs < GPMC_CS_NUM) {
+               u32 ret = 0;
+               ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
+
+               if ((ret & 0xC00) == 0x800) {
+                       printk(KERN_INFO "Found NAND on CS%d\n", cs);
+                       if (nandcs > GPMC_CS_NUM)
+                               nandcs = cs;
+               }
+               cs++;
+       }
+
+       if (nandcs > GPMC_CS_NUM) {
+               printk(KERN_INFO "NAND: Unable to find configuration "
+                                "in GPMC\n ");
+               return;
+       }
+
+       if (nandcs < GPMC_CS_NUM) {
+               omap3beagle_nand_data.cs = nandcs;
+               omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
+                       (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
+               omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
+
+               printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
+               if (platform_device_register(&omap3beagle_nand_device) < 0)
+                       printk(KERN_ERR "Unable to register NAND device\n");
+       }
+}
+
 static void __init omap3_beagle_init(void)
 {
-       platform_add_devices(omap3_beagle_devices, ARRAY_SIZE(omap3_beagle_devices));
+       omap3_beagle_i2c_init();
+       platform_add_devices(omap3_beagle_devices,
+                       ARRAY_SIZE(omap3_beagle_devices));
        omap_board_config = omap3_beagle_config;
        omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
        omap_serial_init();
+
+       omap_cfg_reg(AH8_34XX_GPIO29);
+       gpio_request(29, "mmc0_wp");
+       gpio_direction_input(29);
        hsmmc_init();
+
+       omap_cfg_reg(J25_34XX_GPIO170);
+
        usb_musb_init();
        usb_ehci_init();
+       omap3beagle_flash_init();
+       beagle_display_init();
 }
 
-arch_initcall(omap3_beagle_i2c_init);
-
 static void __init omap3_beagle_map_io(void)
 {
        omap2_set_globals_343x();