diff options
Diffstat (limited to 'arch/arm/mach-at91/at91sam9rl_devices.c')
| -rw-r--r-- | arch/arm/mach-at91/at91sam9rl_devices.c | 229 |
1 files changed, 211 insertions, 18 deletions
diff --git a/arch/arm/mach-at91/at91sam9rl_devices.c b/arch/arm/mach-at91/at91sam9rl_devices.c index 450db304936f..87deb1e1b529 100644 --- a/arch/arm/mach-at91/at91sam9rl_devices.c +++ b/arch/arm/mach-at91/at91sam9rl_devices.c @@ -16,16 +16,111 @@ #include <linux/fb.h> #include <video/atmel_lcdc.h> -#include <asm/arch/board.h> -#include <asm/arch/gpio.h> -#include <asm/arch/at91sam9rl.h> -#include <asm/arch/at91sam9rl_matrix.h> -#include <asm/arch/at91sam9_smc.h> +#include <mach/board.h> +#include <mach/gpio.h> +#include <mach/at91sam9rl.h> +#include <mach/at91sam9rl_matrix.h> +#include <mach/at91sam9_smc.h> #include "generic.h" /* -------------------------------------------------------------------- + * USB HS Device (Gadget) + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_USB_GADGET_ATMEL_USBA) || defined(CONFIG_USB_GADGET_ATMEL_USBA_MODULE) + +static struct resource usba_udc_resources[] = { + [0] = { + .start = AT91SAM9RL_UDPHS_FIFO, + .end = AT91SAM9RL_UDPHS_FIFO + SZ_512K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9RL_BASE_UDPHS, + .end = AT91SAM9RL_BASE_UDPHS + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + [2] = { + .start = AT91SAM9RL_ID_UDPHS, + .end = AT91SAM9RL_ID_UDPHS, + .flags = IORESOURCE_IRQ, + }, +}; + +#define EP(nam, idx, maxpkt, maxbk, dma, isoc) \ + [idx] = { \ + .name = nam, \ + .index = idx, \ + .fifo_size = maxpkt, \ + .nr_banks = maxbk, \ + .can_dma = dma, \ + .can_isoc = isoc, \ + } + +static struct usba_ep_data usba_udc_ep[] __initdata = { + EP("ep0", 0, 64, 1, 0, 0), + EP("ep1", 1, 1024, 2, 1, 1), + EP("ep2", 2, 1024, 2, 1, 1), + EP("ep3", 3, 1024, 3, 1, 0), + EP("ep4", 4, 1024, 3, 1, 0), + EP("ep5", 5, 1024, 3, 1, 1), + EP("ep6", 6, 1024, 3, 1, 1), +}; + +#undef EP + +/* + * pdata doesn't have room for any endpoints, so we need to + * append room for the ones we need right after it. + */ +static struct { + struct usba_platform_data pdata; + struct usba_ep_data ep[7]; +} usba_udc_data; + +static struct platform_device at91_usba_udc_device = { + .name = "atmel_usba_udc", + .id = -1, + .dev = { + .platform_data = &usba_udc_data.pdata, + }, + .resource = usba_udc_resources, + .num_resources = ARRAY_SIZE(usba_udc_resources), +}; + +void __init at91_add_device_usba(struct usba_platform_data *data) +{ + /* + * Invalid pins are 0 on AT91, but the usba driver is shared + * with AVR32, which use negative values instead. Once/if + * gpio_is_valid() is ported to AT91, revisit this code. + */ + usba_udc_data.pdata.vbus_pin = -EINVAL; + usba_udc_data.pdata.num_ep = ARRAY_SIZE(usba_udc_ep); + memcpy(usba_udc_data.ep, usba_udc_ep, sizeof(usba_udc_ep));; + + if (data && data->vbus_pin > 0) { + at91_set_gpio_input(data->vbus_pin, 0); + at91_set_deglitch(data->vbus_pin, 1); + usba_udc_data.pdata.vbus_pin = data->vbus_pin; + } + + /* Pullup pin is handled internally by USB device peripheral */ + + /* Clocks */ + at91_clock_associate("utmi_clk", &at91_usba_udc_device.dev, "hclk"); + at91_clock_associate("udphs_clk", &at91_usba_udc_device.dev, "pclk"); + + platform_device_register(&at91_usba_udc_device); +} +#else +void __init at91_add_device_usba(struct usba_platform_data *data) {} +#endif + + +/* -------------------------------------------------------------------- * MMC / SD * -------------------------------------------------------------------- */ @@ -99,8 +194,8 @@ void __init at91_add_device_mmc(short mmc_id, struct at91_mmc_data *data) {} * NAND / SmartMedia * -------------------------------------------------------------------- */ -#if defined(CONFIG_MTD_NAND_AT91) || defined(CONFIG_MTD_NAND_AT91_MODULE) -static struct at91_nand_data nand_data; +#if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE) +static struct atmel_nand_data nand_data; #define NAND_BASE AT91_CHIPSELECT_3 @@ -117,8 +212,8 @@ static struct resource nand_resources[] = { } }; -static struct platform_device at91_nand_device = { - .name = "at91_nand", +static struct platform_device atmel_nand_device = { + .name = "atmel_nand", .id = -1, .dev = { .platform_data = &nand_data, @@ -127,7 +222,7 @@ static struct platform_device at91_nand_device = { .num_resources = ARRAY_SIZE(nand_resources), }; -void __init at91_add_device_nand(struct at91_nand_data *data) +void __init at91_add_device_nand(struct atmel_nand_data *data) { unsigned long csa; @@ -138,15 +233,15 @@ void __init at91_add_device_nand(struct at91_nand_data *data) at91_sys_write(AT91_MATRIX_EBICSA, csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); /* set the bus interface characteristics */ - at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(0) | AT91_SMC_NCS_WRSETUP_(0) - | AT91_SMC_NRDSETUP_(0) | AT91_SMC_NCS_RDSETUP_(0)); + at91_sys_write(AT91_SMC_SETUP(3), AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) + | AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0)); - at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(2) | AT91_SMC_NCS_WRPULSE_(5) - | AT91_SMC_NRDPULSE_(2) | AT91_SMC_NCS_RDPULSE_(5)); + at91_sys_write(AT91_SMC_PULSE(3), AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) + | AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); - at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(7) | AT91_SMC_NRDCYCLE_(7)); + at91_sys_write(AT91_SMC_CYCLE(3), AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); - at91_sys_write(AT91_SMC_MODE(3), AT91_SMC_DBW_8 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(1)); + at91_sys_write(AT91_SMC_MODE(3), AT91_SMC_DBW_8 | AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_TDF_(2)); /* enable pin */ if (data->enable_pin) @@ -164,11 +259,11 @@ void __init at91_add_device_nand(struct at91_nand_data *data) at91_set_A_periph(AT91_PIN_PB5, 0); /* NANDWE */ nand_data = *data; - platform_device_register(&at91_nand_device); + platform_device_register(&atmel_nand_device); } #else -void __init at91_add_device_nand(struct at91_nand_data *data) {} +void __init at91_add_device_nand(struct atmel_nand_data *data) {} #endif @@ -432,6 +527,51 @@ static void __init at91_add_device_tc(void) { } /* -------------------------------------------------------------------- + * Touchscreen + * -------------------------------------------------------------------- */ + +#if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE) +static u64 tsadcc_dmamask = DMA_BIT_MASK(32); + +static struct resource tsadcc_resources[] = { + [0] = { + .start = AT91SAM9RL_BASE_TSC, + .end = AT91SAM9RL_BASE_TSC + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9RL_ID_TSC, + .end = AT91SAM9RL_ID_TSC, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device at91sam9rl_tsadcc_device = { + .name = "atmel_tsadcc", + .id = -1, + .dev = { + .dma_mask = &tsadcc_dmamask, + .coherent_dma_mask = DMA_BIT_MASK(32), + }, + .resource = tsadcc_resources, + .num_resources = ARRAY_SIZE(tsadcc_resources), +}; + +void __init at91_add_device_tsadcc(void) +{ + at91_set_A_periph(AT91_PIN_PA17, 0); /* AD0_XR */ + at91_set_A_periph(AT91_PIN_PA18, 0); /* AD1_XL */ + at91_set_A_periph(AT91_PIN_PA19, 0); /* AD2_YT */ + at91_set_A_periph(AT91_PIN_PA20, 0); /* AD3_TB */ + + platform_device_register(&at91sam9rl_tsadcc_device); +} +#else +void __init at91_add_device_tsadcc(void) {} +#endif + + +/* -------------------------------------------------------------------- * RTC * -------------------------------------------------------------------- */ @@ -497,6 +637,59 @@ static void __init at91_add_device_watchdog(void) {} /* -------------------------------------------------------------------- + * PWM + * --------------------------------------------------------------------*/ + +#if defined(CONFIG_ATMEL_PWM) +static u32 pwm_mask; + +static struct resource pwm_resources[] = { + [0] = { + .start = AT91SAM9RL_BASE_PWMC, + .end = AT91SAM9RL_BASE_PWMC + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9RL_ID_PWMC, + .end = AT91SAM9RL_ID_PWMC, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device at91sam9rl_pwm0_device = { + .name = "atmel_pwm", + .id = -1, + .dev = { + .platform_data = &pwm_mask, + }, + .resource = pwm_resources, + .num_resources = ARRAY_SIZE(pwm_resources), +}; + +void __init at91_add_device_pwm(u32 mask) +{ + if (mask & (1 << AT91_PWM0)) + at91_set_B_periph(AT91_PIN_PB8, 1); /* enable PWM0 */ + + if (mask & (1 << AT91_PWM1)) + at91_set_B_periph(AT91_PIN_PB9, 1); /* enable PWM1 */ + + if (mask & (1 << AT91_PWM2)) + at91_set_B_periph(AT91_PIN_PD5, 1); /* enable PWM2 */ + + if (mask & (1 << AT91_PWM3)) + at91_set_B_periph(AT91_PIN_PD8, 1); /* enable PWM3 */ + + pwm_mask = mask; + + platform_device_register(&at91sam9rl_pwm0_device); +} +#else +void __init at91_add_device_pwm(u32 mask) {} +#endif + + +/* -------------------------------------------------------------------- * SSC -- Synchronous Serial Controller * -------------------------------------------------------------------- */ |