struct platform_device *__init
at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
{
/*
* Manage the chipselects as GPIOs, normally using the same pins
* the SPI controller expects; but boards can use other pins.
*/
static u8 __initdata spi0_pins[] =
{ GPIO_PIN_PA(3), GPIO_PIN_PA(4),
GPIO_PIN_PA(5), GPIO_PIN_PA(20), };
static u8 __initdata spi1_pins[] =
{ GPIO_PIN_PB(2), GPIO_PIN_PB(3),
GPIO_PIN_PB(4), GPIO_PIN_PA(27), };
struct platform_device *pdev;
switch (id) {
case 0:
pdev = &atmel_spi0_device;
select_peripheral(PA(0), PERIPH_A, 0); /* MISO */
select_peripheral(PA(1), PERIPH_A, 0); /* MOSI */
select_peripheral(PA(2), PERIPH_A, 0); /* SCK */
at32_spi_setup_slaves(0, b, n, spi0_pins);
break;
case 1:
pdev = &atmel_spi1_device;
select_peripheral(PB(0), PERIPH_B, 0); /* MISO */
select_peripheral(PB(1), PERIPH_B, 0); /* MOSI */
select_peripheral(PB(5), PERIPH_B, 0); /* SCK */
at32_spi_setup_slaves(1, b, n, spi1_pins);
break;
default:
return NULL;
}
spi_register_board_info(b, n);
platform_device_register(pdev);
return pdev;
}
struct platform_device *__init
at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n)
{
struct platform_device *pdev;
u32 pin_mask;
switch (id) {
case 0:
pdev = &atmel_spi0_device;
pin_mask = (1 << 1) | (1 << 2); /* MOSI & SCK */
/* pullup MISO so a level is always defined */
select_peripheral(PIOA, (1 << 0), PERIPH_A, AT32_GPIOF_PULLUP);
select_peripheral(PIOA, pin_mask, PERIPH_A, 0);
at32_spi_setup_slaves(0, b, n);
break;
case 1:
pdev = &atmel_spi1_device;
pin_mask = (1 << 1) | (1 << 5); /* MOSI */
/* pullup MISO so a level is always defined */
select_peripheral(PIOB, (1 << 0), PERIPH_B, AT32_GPIOF_PULLUP);
select_peripheral(PIOB, pin_mask, PERIPH_B, 0);
at32_spi_setup_slaves(1, b, n);
break;
default:
return NULL;
}
spi_register_board_info(b, n);
platform_device_register(pdev);
return pdev;
}
static int __init mrmt1_init(void)
{
gpio_set_value( PIN_PWR_ON, 1 ); /* Ensure PWR_ON is enabled */
pm_power_off = mrmt_power_off;
/* Setup USARTS (other than console) */
at32_map_usart(2, 1, 0); /* USART 2: /dev/ttyS1, RMT1:DB9M */
at32_map_usart(3, 2, ATMEL_USART_RTS | ATMEL_USART_CTS);
/* USART 3: /dev/ttyS2, RMT1:Wireless, w/ RTS/CTS */
at32_add_device_usart(1);
at32_add_device_usart(2);
/* Select GPIO Key pins */
at32_select_gpio( PIN_PWR_SW_N, AT32_GPIOF_DEGLITCH);
at32_select_gpio( PIN_PB_LEFT, AT32_GPIOF_DEGLITCH);
at32_select_gpio( PIN_PB_RIGHT, AT32_GPIOF_DEGLITCH);
platform_device_register(&rmt_gpio_keys);
#ifdef CONFIG_BOARD_MRMT_RTC_I2C
i2c_register_board_info(0, &mrmt1_i2c_rtc, 1);
#endif
#ifndef CONFIG_BOARD_MRMT_LCD_DISABLE
/* User "alternate" LCDC inferface on Port E & D */
/* NB: exclude LCDC_CC pin, as NGW100 reserves it for other use */
at32_add_device_lcdc(0, &rmt_lcdc_data,
fbmem_start, fbmem_size,
(ATMEL_LCDC_ALT_24BIT | ATMEL_LCDC_PE_DVAL ) );
#endif
#ifdef CONFIG_BOARD_MRMT_AC97
at32_add_device_ac97c(0, &ac97c0_data, AC97C_BOTH);
#endif
#ifdef CONFIG_BOARD_MRMT_ADS7846_TS
/* Select the Touchscreen interrupt pin mode */
at32_select_periph( GPIO_PIOB_BASE, 1 << (PB_EXTINT_BASE+TS_IRQ),
GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
irq_set_irq_type(AT32_EXTINT(TS_IRQ), IRQ_TYPE_EDGE_FALLING);
at32_spi_setup_slaves(0,spi01_board_info,ARRAY_SIZE(spi01_board_info));
spi_register_board_info(spi01_board_info,ARRAY_SIZE(spi01_board_info));
#endif
#ifdef CONFIG_BOARD_MRMT_UCB1400_TS
/* Select the Touchscreen interrupt pin mode */
at32_select_periph( GPIO_PIOB_BASE, 1 << (PB_EXTINT_BASE+TS_IRQ),
GPIO_PERIPH_A, AT32_GPIOF_DEGLITCH);
platform_device_register(&rmt_ts_device);
#endif
at32_select_gpio( PIN_LCD_DISP, AT32_GPIOF_OUTPUT );
gpio_request( PIN_LCD_DISP, "LCD_DISP" );
gpio_direction_output( PIN_LCD_DISP, 0 ); /* LCD DISP */
#ifdef CONFIG_BOARD_MRMT_LCD_DISABLE
/* Keep Backlight and DISP off */
at32_select_gpio( PIN_LCD_BL, AT32_GPIOF_OUTPUT );
gpio_request( PIN_LCD_BL, "LCD_BL" );
gpio_direction_output( PIN_LCD_BL, 0 ); /* Backlight */
#else
gpio_set_value( PIN_LCD_DISP, 1 ); /* DISP asserted first */
#ifdef CONFIG_BOARD_MRMT_BL_PWM
/* Use PWM for Backlight controls */
at32_add_device_pwm(1 << PWM_CH_BL);
platform_device_register(&rmt_pwm_led_dev);
#else
/* Backlight always on */
udelay( 1 );
at32_select_gpio( PIN_LCD_BL, AT32_GPIOF_OUTPUT );
gpio_request( PIN_LCD_BL, "LCD_BL" );
gpio_direction_output( PIN_LCD_BL, 1 );
#endif
#endif
/* Make sure BT and Zigbee modules in reset */
at32_select_gpio( PIN_BT_RST, AT32_GPIOF_OUTPUT );
gpio_request( PIN_BT_RST, "BT_RST" );
gpio_direction_output( PIN_BT_RST, 1 );
/* BT Module in Reset */
at32_select_gpio( PIN_ZB_RST_N, AT32_GPIOF_OUTPUT );
gpio_request( PIN_ZB_RST_N, "ZB_RST_N" );
gpio_direction_output( PIN_ZB_RST_N, 0 );
/* XBee Module in Reset */
#ifdef CONFIG_BOARD_MRMT_WIRELESS_ZB
udelay( 1000 );
/* Unreset the XBee Module */
gpio_set_value( PIN_ZB_RST_N, 1 );
#endif
#ifdef CONFIG_BOARD_MRMT_WIRELESS_BT
udelay( 1000 );
/* Unreset the BT Module */
gpio_set_value( PIN_BT_RST, 0 );
#endif
return 0;
}
