diff options
Diffstat (limited to 'arch/arm/mach-omap1/board-innovator.c')
| -rw-r--r-- | arch/arm/mach-omap1/board-innovator.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/board-innovator.c b/arch/arm/mach-omap1/board-innovator.c index e90c137a4cf3..4cbc62db5b5d 100644 --- a/arch/arm/mach-omap1/board-innovator.c +++ b/arch/arm/mach-omap1/board-innovator.c @@ -37,6 +37,8 @@ #include <asm/arch/usb.h> #include <asm/arch/keypad.h> #include <asm/arch/common.h> +#include <asm/arch/mcbsp.h> +#include <asm/arch/omap-alsa.h> static int innovator_keymap[] = { KEY(0, 0, KEY_F1), @@ -112,6 +114,42 @@ static struct platform_device innovator_flash_device = { .resource = &innovator_flash_resource, }; +#define DEFAULT_BITPERSAMPLE 16 + +static struct omap_mcbsp_reg_cfg mcbsp_regs = { + .spcr2 = FREE | FRST | GRST | XRST | XINTM(3), + .spcr1 = RINTM(3) | RRST, + .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) | + RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0), + .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16), + .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) | + XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG, + .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16), + .srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1), + .srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1), + /*.pcr0 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */ + .pcr0 = CLKXP | CLKRP, /* mcbsp: slave */ +}; + +static struct omap_alsa_codec_config alsa_config = { + .name = "OMAP Innovator AIC23", + .mcbsp_regs_alsa = &mcbsp_regs, + .codec_configure_dev = NULL, // aic23_configure, + .codec_set_samplerate = NULL, // aic23_set_samplerate, + .codec_clock_setup = NULL, // aic23_clock_setup, + .codec_clock_on = NULL, // aic23_clock_on, + .codec_clock_off = NULL, // aic23_clock_off, + .get_default_samplerate = NULL, // aic23_get_default_samplerate, +}; + +static struct platform_device innovator_mcbsp1_device = { + .name = "omap_alsa_mcbsp", + .id = 1, + .dev = { + .platform_data = &alsa_config, + }, +}; + static struct resource innovator_kp_resources[] = { [0] = { .start = INT_KEYBOARD, @@ -139,6 +177,10 @@ static struct platform_device innovator_kp_device = { #ifdef CONFIG_ARCH_OMAP15XX +#include <linux/spi/spi.h> +#include <linux/spi/ads7846.h> + + /* Only FPGA needs to be mapped here. All others are done with ioremap */ static struct map_desc innovator1510_io_desc[] __initdata = { { @@ -174,13 +216,44 @@ static struct platform_device innovator1510_lcd_device = { .id = -1, }; +static struct platform_device innovator1510_spi_device = { + .name = "spi_inn1510", + .id = -1, +}; + static struct platform_device *innovator1510_devices[] __initdata = { &innovator_flash_device, &innovator1510_smc91x_device, + &innovator_mcbsp1_device, &innovator_kp_device, &innovator1510_lcd_device, + &innovator1510_spi_device, }; +static int innovator_get_pendown_state(void) +{ + return !(fpga_read(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5)); +} + +static const struct ads7846_platform_data innovator1510_ts_info = { + .model = 7846, + .vref_delay_usecs = 100, /* internal, no capacitor */ + .x_plate_ohms = 419, + .y_plate_ohms = 486, + .get_pendown_state = innovator_get_pendown_state, +}; + +static struct spi_board_info __initdata innovator1510_boardinfo[] = { { + /* FPGA (bus "10") CS0 has an ads7846e */ + .modalias = "ads7846", + .platform_data = &innovator1510_ts_info, + .irq = OMAP1510_INT_FPGA_TS, + .max_speed_hz = 120000 /* max sample rate at 3V */ + * 26 /* command + data + overhead */, + .bus_num = 10, + .chip_select = 0, +} }; + #endif /* CONFIG_ARCH_OMAP15XX */ #ifdef CONFIG_ARCH_OMAP16XX @@ -311,6 +384,8 @@ static void __init innovator_init(void) #ifdef CONFIG_ARCH_OMAP15XX if (cpu_is_omap1510()) { platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices)); + spi_register_board_info(innovator1510_boardinfo, + ARRAY_SIZE(innovator1510_boardinfo)); } #endif #ifdef CONFIG_ARCH_OMAP16XX |