diff options
Diffstat (limited to 'arch/arm/mach-mmp/ttc_dkb.c')
| -rw-r--r-- | arch/arm/mach-mmp/ttc_dkb.c | 188 |
1 files changed, 185 insertions, 3 deletions
diff --git a/arch/arm/mach-mmp/ttc_dkb.c b/arch/arm/mach-mmp/ttc_dkb.c index e411039ea59..ac4af81de3e 100644 --- a/arch/arm/mach-mmp/ttc_dkb.c +++ b/arch/arm/mach-mmp/ttc_dkb.c @@ -15,6 +15,13 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/onenand.h> #include <linux/interrupt.h> +#include <linux/platform_data/pca953x.h> +#include <linux/gpio.h> +#include <linux/gpio-pxa.h> +#include <linux/mfd/88pm860x.h> +#include <linux/platform_data/mv_usb.h> +#include <linux/spi/spi.h> +#include <linux/delay.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -22,10 +29,22 @@ #include <mach/addr-map.h> #include <mach/mfp-pxa910.h> #include <mach/pxa910.h> +#include <mach/irqs.h> +#include <mach/regs-usb.h> #include "common.h" -#define TTCDKB_NR_IRQS (IRQ_BOARD_START + 24) +#define TTCDKB_GPIO_EXT0(x) (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 : \ + ((x < 16) ? x : 15))) +#define TTCDKB_GPIO_EXT1(x) (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \ + ((x < 16) ? x : 15))) + +/* + * 16 board interrupts -- MAX7312 GPIO expander + * 16 board interrupts -- PCA9575 GPIO expander + * 24 board interrupts -- 88PM860x PMIC + */ +#define TTCDKB_NR_IRQS (MMP_NR_IRQS + 16 + 16 + 24) static unsigned long ttc_dkb_pin_config[] __initdata = { /* UART2 */ @@ -57,6 +76,10 @@ static unsigned long ttc_dkb_pin_config[] __initdata = { DF_RDY0_DF_RDY0, }; +static struct pxa_gpio_platform_data pxa910_gpio_pdata = { + .irq_base = MMP_GPIO_TO_IRQ(0), +}; + static struct mtd_partition ttc_dkb_onenand_partitions[] = { { .name = "bootloader", @@ -81,7 +104,7 @@ static struct mtd_partition ttc_dkb_onenand_partitions[] = { }, { .name = "filesystem", .offset = MTDPART_OFS_APPEND, - .size = SZ_48M, + .size = SZ_32M + SZ_16M, .mask_flags = 0, } }; @@ -110,24 +133,183 @@ static struct platform_device ttc_dkb_device_onenand = { }; static struct platform_device *ttc_dkb_devices[] = { + &pxa910_device_gpio, + &pxa910_device_rtc, &ttc_dkb_device_onenand, }; +static struct pca953x_platform_data max7312_data[] = { + { + .gpio_base = TTCDKB_GPIO_EXT0(0), + .irq_base = MMP_NR_IRQS, + }, +}; + +static struct pm860x_platform_data ttc_dkb_pm8607_info = { + .irq_base = IRQ_BOARD_START, +}; + +static struct i2c_board_info ttc_dkb_i2c_info[] = { + { + .type = "88PM860x", + .addr = 0x34, + .platform_data = &ttc_dkb_pm8607_info, + .irq = IRQ_PXA910_PMIC_INT, + }, + { + .type = "max7312", + .addr = 0x23, + .irq = MMP_GPIO_TO_IRQ(80), + .platform_data = &max7312_data, + }, +}; + +#if IS_ENABLED(CONFIG_USB_SUPPORT) +#if IS_ENABLED(CONFIG_USB_MV_UDC) || IS_ENABLED(CONFIG_USB_EHCI_MV_U2O) + +static struct mv_usb_platform_data ttc_usb_pdata = { + .vbus = NULL, + .mode = MV_USB_MODE_OTG, + .otg_force_a_bus_req = 1, + .phy_init = pxa_usb_phy_init, + .phy_deinit = pxa_usb_phy_deinit, + .set_vbus = NULL, +}; +#endif +#endif + +#if IS_ENABLED(CONFIG_MTD_NAND_PXA3xx) +static struct pxa3xx_nand_platform_data dkb_nand_info = { + .enable_arbiter = 1, + .num_cs = 1, +}; +#endif + +#if IS_ENABLED(CONFIG_MMP_DISP) +/* path config */ +#define CFG_IOPADMODE(iopad) (iopad) /* 0x0 ~ 0xd */ +#define SCLK_SOURCE_SELECT(x) (x << 30) /* 0x0 ~ 0x3 */ +/* link config */ +#define CFG_DUMBMODE(mode) (mode << 28) /* 0x0 ~ 0x6*/ +static struct mmp_mach_path_config dkb_disp_config[] = { + [0] = { + .name = "mmp-parallel", + .overlay_num = 2, + .output_type = PATH_OUT_PARALLEL, + .path_config = CFG_IOPADMODE(0x1) + | SCLK_SOURCE_SELECT(0x1), + .link_config = CFG_DUMBMODE(0x2), + }, +}; + +static struct mmp_mach_plat_info dkb_disp_info = { + .name = "mmp-disp", + .clk_name = "disp0", + .path_num = 1, + .paths = dkb_disp_config, +}; + +static struct mmp_buffer_driver_mach_info dkb_fb_info = { + .name = "mmp-fb", + .path_name = "mmp-parallel", + .overlay_id = 0, + .dmafetch_id = 1, + .default_pixfmt = PIXFMT_RGB565, +}; + +static void dkb_tpo_panel_power(int on) +{ + int err; + u32 spi_reset = mfp_to_gpio(MFP_PIN_GPIO106); + + if (on) { + err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET"); + if (err) { + pr_err("failed to request GPIO for TPO LCD RESET\n"); + return; + } + gpio_direction_output(spi_reset, 0); + udelay(100); + gpio_set_value(spi_reset, 1); + gpio_free(spi_reset); + } else { + err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET"); + if (err) { + pr_err("failed to request LCD RESET gpio\n"); + return; + } + gpio_set_value(spi_reset, 0); + gpio_free(spi_reset); + } +} + +static struct mmp_mach_panel_info dkb_tpo_panel_info = { + .name = "tpo-hvga", + .plat_path_name = "mmp-parallel", + .plat_set_onoff = dkb_tpo_panel_power, +}; + +static struct spi_board_info spi_board_info[] __initdata = { + { + .modalias = "tpo-hvga", + .platform_data = &dkb_tpo_panel_info, + .bus_num = 5, + } +}; + +static void __init add_disp(void) +{ + pxa_register_device(&pxa910_device_disp, + &dkb_disp_info, sizeof(dkb_disp_info)); + spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); + pxa_register_device(&pxa910_device_fb, + &dkb_fb_info, sizeof(dkb_fb_info)); + pxa_register_device(&pxa910_device_panel, + &dkb_tpo_panel_info, sizeof(dkb_tpo_panel_info)); +} +#endif + static void __init ttc_dkb_init(void) { mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config)); /* on-chip devices */ pxa910_add_uart(1); +#if IS_ENABLED(CONFIG_MTD_NAND_PXA3xx) + pxa910_add_nand(&dkb_nand_info); +#endif /* off-chip devices */ + pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info)); + platform_device_add_data(&pxa910_device_gpio, &pxa910_gpio_pdata, + sizeof(struct pxa_gpio_platform_data)); platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices)); + +#if IS_ENABLED(CONFIG_USB_MV_UDC) + pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata; + platform_device_register(&pxa168_device_u2o); +#endif + +#if IS_ENABLED(CONFIG_USB_EHCI_MV_U2O) + pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata; + platform_device_register(&pxa168_device_u2oehci); +#endif + +#if IS_ENABLED(CONFIG_USB_MV_OTG) + pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata; + platform_device_register(&pxa168_device_u2ootg); +#endif + +#if IS_ENABLED(CONFIG_MMP_DISP) + add_disp(); +#endif } MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform") .map_io = mmp_map_io, .nr_irqs = TTCDKB_NR_IRQS, .init_irq = pxa910_init_irq, - .timer = &pxa910_timer, + .init_time = pxa910_timer_init, .init_machine = ttc_dkb_init, + .restart = mmp_restart, MACHINE_END |