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at91: add spi device ressources 

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Jean-Christophe PLAGNIOL-VILLARD 2012-01-05 14:40:49 +01:00 committed by Sascha Hauer
parent be11d8ef35
commit d816bb4cc0
5 changed files with 176 additions and 12 deletions
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32
arch/arm/mach-at91/at91rm9200_devices.c
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@ -153,6 +153,38 @@ void __init at91_add_device_nand(struct atmel_nand_data *data)
void __init at91_add_device_nand(struct atmel_nand_data *data) {}
#endif
/* --------------------------------------------------------------------
* SPI
* -------------------------------------------------------------------- */
#if defined(CONFIG_DRIVER_SPI_ATMEL)
void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
{
int i;
int cs_pin;
BUG_ON(spi_id > 0);
for (i = 0; i < pdata->num_chipselect; i++) {
cs_pin = pdata->chipselect[i];
/* enable chip-select pin */
if (cs_pin > 0)
at91_set_gpio_output(cs_pin, 1);
}
at91_set_A_periph(AT91_PIN_PA0, 0); /* MISO */
at91_set_A_periph(AT91_PIN_PA1, 0); /* MOSI */
at91_set_A_periph(AT91_PIN_PA2, 0); /* SPCK */
add_generic_device("atmel_spi", spi_id, NULL, AT91RM9200_BASE_SPI,
SZ_16K, IORESOURCE_MEM, pdata);
}
#else
void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata) {}
#endif
/* --------------------------------------------------------------------
* UART
* -------------------------------------------------------------------- */

44
arch/arm/mach-at91/at91sam9260_devices.c
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@ -150,6 +150,50 @@ void at91_add_device_nand(struct atmel_nand_data *data)
void at91_add_device_nand(struct atmel_nand_data *data) {}
#endif
/* --------------------------------------------------------------------
* SPI
* -------------------------------------------------------------------- */
#if defined(CONFIG_DRIVER_SPI_ATMEL)
void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
{
int i;
int cs_pin;
resource_size_t start = ~0;
BUG_ON(spi_id > 1);
for (i = 0; i < pdata->num_chipselect; i++) {
cs_pin = pdata->chipselect[i];
/* enable chip-select pin */
if (cs_pin > 0)
at91_set_gpio_output(cs_pin, 1);
}
/* Configure SPI bus(es) */
switch (spi_id) {
case 0:
start = AT91SAM9260_BASE_SPI0;
at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI1_SPCK */
break;
case 1:
start = AT91SAM9260_BASE_SPI1;
at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI1_MISO */
at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI1_MOSI */
at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI1_SPCK */
break;
}
add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
IORESOURCE_MEM, pdata);
}
#else
void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata) {}
#endif
static inline void configure_dbgu_pins(void)
{
at91_set_A_periph(AT91_PIN_PB14, 0); /* DRXD */

44
arch/arm/mach-at91/at91sam9261_devices.c
View File

@ -102,6 +102,50 @@ void at91_add_device_nand(struct atmel_nand_data *data)
void at91_add_device_nand(struct atmel_nand_data *data) {}
#endif
/* --------------------------------------------------------------------
* SPI
* -------------------------------------------------------------------- */
#if defined(CONFIG_DRIVER_SPI_ATMEL)
void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
{
int i;
int cs_pin;
resource_size_t start = ~0;
BUG_ON(spi_id > 1);
for (i = 0; i < pdata->num_chipselect; i++) {
cs_pin = pdata->chipselect[i];
/* enable chip-select pin */
if (cs_pin > 0)
at91_set_gpio_output(cs_pin, 1);
}
/* Configure SPI bus(es) */
switch (spi_id) {
case 0:
start = AT91SAM9261_BASE_SPI0;
at91_set_A_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
at91_set_A_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
at91_set_A_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
break;
case 1:
start = AT91SAM9213_BASE_SPI1;
at91_set_A_periph(AT91_PIN_PB30, 0); /* SPI1_MISO */
at91_set_A_periph(AT91_PIN_PB31, 0); /* SPI1_MOSI */
at91_set_A_periph(AT91_PIN_PB29, 0); /* SPI1_SPCK */
break;
}
add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
IORESOURCE_MEM, pdata);
}
#else
void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata) {}
#endif
static inline void configure_dbgu_pins(void)
{
at91_set_A_periph(AT91_PIN_PA9, 0); /* DRXD */

45
arch/arm/mach-at91/at91sam9263_devices.c
View File

@ -152,6 +152,50 @@ void at91_add_device_nand(struct atmel_nand_data *data)
void at91_add_device_nand(struct atmel_nand_data *data) {}
#endif
/* --------------------------------------------------------------------
* SPI
* -------------------------------------------------------------------- */
#if defined(CONFIG_DRIVER_SPI_ATMEL)
void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
{
int i;
int cs_pin;
resource_size_t start = ~0;
BUG_ON(spi_id > 1);
for (i = 0; i < pdata->num_chipselect; i++) {
cs_pin = pdata->chipselect[i];
/* enable chip-select pin */
if (cs_pin > 0)
at91_set_gpio_output(cs_pin, 1);
}
/* Configure SPI bus(es) */
switch (spi_id) {
case 0:
start = AT91SAM9263_BASE_SPI0;
at91_set_B_periph(AT91_PIN_PA0, 0); /* SPI0_MISO */
at91_set_B_periph(AT91_PIN_PA1, 0); /* SPI0_MOSI */
at91_set_B_periph(AT91_PIN_PA2, 0); /* SPI0_SPCK */
break;
case 1:
start = AT91SAM9263_BASE_SPI1;
at91_set_A_periph(AT91_PIN_PB12, 0); /* SPI1_MISO */
at91_set_A_periph(AT91_PIN_PB13, 0); /* SPI1_MOSI */
at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_SPCK */
break;
}
add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
IORESOURCE_MEM, pdata);
}
#else
void __init at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata) {}
#endif
static inline void configure_dbgu_pins(void)
{
at91_set_A_periph(AT91_PIN_PC30, 0); /* DRXD */
@ -284,3 +328,4 @@ void at91_add_device_mci(short mmc_id, struct atmel_mci_platform_data *data)
#else
void at91_add_device_mci(short mmc_id, struct atmel_mci_platform_data *data) {}
#endif

23
arch/arm/mach-at91/at91sam9g45_devices.c
View File

@ -299,7 +299,9 @@ void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
{
int i;
int cs_pin;
resource_size_t start;
resource_size_t start = ~0;
BUG_ON(spi_id > 1);
for (i = 0; i < pdata->num_chipselect; i++) {
cs_pin = pdata->chipselect[i];
@ -310,27 +312,24 @@ void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata)
}
/* Configure SPI bus(es) */
if (spi_id == 0) {
switch (spi_id) {
case 0:
start = AT91SAM9G45_BASE_SPI0;
at91_set_A_periph(AT91_PIN_PB0, 0); /* SPI0_MISO */
at91_set_A_periph(AT91_PIN_PB1, 0); /* SPI0_MOSI */
at91_set_A_periph(AT91_PIN_PB2, 0); /* SPI0_SPCK */
add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
IORESOURCE_MEM, pdata);
}
else if (spi_id == 1) {
break;
case 1:
start = AT91SAM9G45_BASE_SPI1;
at91_set_A_periph(AT91_PIN_PB14, 0); /* SPI1_MISO */
at91_set_A_periph(AT91_PIN_PB15, 0); /* SPI1_MOSI */
at91_set_A_periph(AT91_PIN_PB16, 0); /* SPI1_SPCK */
add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
IORESOURCE_MEM, pdata);
break;
}
}
add_generic_device("atmel_spi", spi_id, NULL, start, SZ_16K,
IORESOURCE_MEM, pdata);
}
#else
void at91_add_device_spi(int spi_id, struct at91_spi_platform_data *pdata) {}
#endif