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stm32: Add support for SPI3 bus on alternate PC11,PC12,PC10 pins 

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-08-31 20:32:42 -04:00
parent 12feb6d7fb
commit dc9f9ea1d6
1 changed files with 8 additions and 1 deletions
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9
src/stm32/spi.c
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@ -10,7 +10,7 @@
#include "sched.h" // sched_shutdown #include "sched.h" // sched_shutdown
struct spi_info { struct spi_info {
void *spi; SPI_TypeDef *spi;
uint8_t miso_pin, mosi_pin, sck_pin, function; uint8_t miso_pin, mosi_pin, sck_pin, function;
}; };
@ -21,6 +21,10 @@ DECL_CONSTANT_STR("BUS_PINS_spi1", "PA6,PA7,PA5");
#ifdef SPI3 #ifdef SPI3
DECL_ENUMERATION("spi_bus", "spi3", 2); DECL_ENUMERATION("spi_bus", "spi3", 2);
DECL_CONSTANT_STR("BUS_PINS_spi3", "PB4,PB5,PB3"); DECL_CONSTANT_STR("BUS_PINS_spi3", "PB4,PB5,PB3");
#if CONFIG_MACH_STM32F4
DECL_ENUMERATION("spi_bus", "spi3a", 3);
DECL_CONSTANT_STR("BUS_PINS_spi3a", "PC11,PC12,PC10");
#endif
#endif #endif
static const struct spi_info spi_bus[] = { static const struct spi_info spi_bus[] = {
@ -28,6 +32,9 @@ static const struct spi_info spi_bus[] = {
{ SPI1, GPIO('A', 6), GPIO('A', 7), GPIO('A', 5), GPIO_FUNCTION(5) }, { SPI1, GPIO('A', 6), GPIO('A', 7), GPIO('A', 5), GPIO_FUNCTION(5) },
#ifdef SPI3 #ifdef SPI3
{ SPI3, GPIO('B', 4), GPIO('B', 5), GPIO('B', 3), GPIO_FUNCTION(6) }, { SPI3, GPIO('B', 4), GPIO('B', 5), GPIO('B', 3), GPIO_FUNCTION(6) },
#if CONFIG_MACH_STM32F4
{ SPI3, GPIO('C', 11), GPIO('C', 12), GPIO('C', 10), GPIO_FUNCTION(6) },
#endif
#endif #endif
}; };