diff options
Diffstat (limited to 'arch/arm/mach-at91/at91rm9200_devices.c')
| -rw-r--r-- | arch/arm/mach-at91/at91rm9200_devices.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c index a563189cdfc..3f4bb58aea5 100644 --- a/arch/arm/mach-at91/at91rm9200_devices.c +++ b/arch/arm/mach-at91/at91rm9200_devices.c @@ -15,15 +15,18 @@ #include <linux/dma-mapping.h> #include <linux/gpio.h> +#include <linux/gpio/driver.h> #include <linux/platform_device.h> #include <linux/i2c-gpio.h> -#include <mach/board.h> #include <mach/at91rm9200.h> #include <mach/at91rm9200_mc.h> #include <mach/at91_ramc.h> +#include <mach/hardware.h> +#include "board.h" #include "generic.h" +#include "gpio.h" /* -------------------------------------------------------------------- @@ -68,7 +71,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) /* Enable overcurrent notification */ for (i = 0; i < data->ports; i++) { - if (data->overcurrent_pin[i]) + if (gpio_is_valid(data->overcurrent_pin[i])) at91_set_gpio_input(data->overcurrent_pin[i], 1); } @@ -479,7 +482,7 @@ static struct i2c_gpio_platform_data pdata = { static struct platform_device at91rm9200_twi_device = { .name = "i2c-gpio", - .id = -1, + .id = 0, .dev.platform_data = &pdata, }; @@ -512,7 +515,7 @@ static struct resource twi_resources[] = { static struct platform_device at91rm9200_twi_device = { .name = "i2c-at91rm9200", - .id = -1, + .id = 0, .resource = twi_resources, .num_resources = ARRAY_SIZE(twi_resources), }; @@ -752,7 +755,7 @@ static struct resource ssc0_resources[] = { }; static struct platform_device at91rm9200_ssc0_device = { - .name = "ssc", + .name = "at91rm9200_ssc", .id = 0, .dev = { .dma_mask = &ssc0_dmamask, @@ -794,7 +797,7 @@ static struct resource ssc1_resources[] = { }; static struct platform_device at91rm9200_ssc1_device = { - .name = "ssc", + .name = "at91rm9200_ssc", .id = 1, .dev = { .dma_mask = &ssc1_dmamask, @@ -836,7 +839,7 @@ static struct resource ssc2_resources[] = { }; static struct platform_device at91rm9200_ssc2_device = { - .name = "ssc", + .name = "at91rm9200_ssc", .id = 2, .dev = { .dma_mask = &ssc2_dmamask, @@ -962,6 +965,14 @@ static struct atmel_uart_data uart0_data = { .use_dma_rx = 1, }; +static struct gpiod_lookup_table uart0_gpios_table = { + .dev_id = "atmel_usart", + .table = { + GPIO_LOOKUP("pioA", 21, "rts", GPIO_ACTIVE_LOW), + { }, + }, +}; + static u64 uart0_dmamask = DMA_BIT_MASK(32); static struct platform_device at91rm9200_uart0_device = { @@ -987,9 +998,10 @@ static inline void configure_usart0_pins(unsigned pins) if (pins & ATMEL_UART_RTS) { /* * AT91RM9200 Errata #39 - RTS0 is not internally connected to PA21. - * We need to drive the pin manually. Default is off (RTS is active low). + * We need to drive the pin manually. The serial driver will driver + * this to high when initializing. */ - at91_set_gpio_output(AT91_PIN_PA21, 1); + gpiod_add_lookup_table(&uart0_gpios_table); } } |