boards: add new spi+i2c config

Chip-select and SPI initialization uses the new config, whereas the drivers
still use the existing defines.

The configuration in board_config.h can be removed after all drivers are
updated.

src/lib/drivers/device/nuttx/I2C.cpp

@@ -51,7 +51,7 @@ namespace device
  *  All calls to init() will NOT set the buss frequency
  */
 
-unsigned int I2C::_bus_clocks[BOARD_NUMBER_I2C_BUSES] = BOARD_I2C_BUS_CLOCK_INIT;
+unsigned int I2C::_bus_clocks[PX4_NUMBER_I2C_BUSES] = PX4_I2C_BUS_CLOCK_INIT;
 
 I2C::I2C(const char *name, const char *devname, const int bus, const uint16_t address, const uint32_t frequency) :
 	CDev(name, devname),

src/lib/drivers/device/nuttx/I2C.hpp

@@ -41,6 +41,7 @@
 #define _DEVICE_I2C_H
 
 #include "../CDev.hpp"
+#include <px4_platform_common/i2c.h>
 
 #include <nuttx/i2c/i2c_master.h>
 
@@ -69,8 +70,6 @@ public:
 
 	static int	set_bus_clock(unsigned bus, unsigned clock_hz);
 
-	static unsigned	int	_bus_clocks[BOARD_NUMBER_I2C_BUSES];
-
 protected:
 	/**
 	 * The number of times a read or write operation will be retried on
@@ -109,10 +108,12 @@ protected:
 	 */
 	int		transfer(const uint8_t *send, const unsigned send_len, uint8_t *recv, const unsigned recv_len);
 
-	virtual bool	external() const override { return px4_i2c_bus_external(_device_id.devid_s.bus); }
+	bool	external() const override { return px4_i2c_bus_external(_device_id.devid_s.bus); }
 
 private:
-	uint32_t		_frequency{0};
+	static unsigned	int	_bus_clocks[PX4_NUMBER_I2C_BUSES];
+
+	const uint32_t		_frequency;
 	i2c_master_s		*_dev{nullptr};
 
 };

src/lib/drivers/device/nuttx/SPI.cpp

@@ -70,6 +70,10 @@ SPI::SPI(const char *name, const char *devname, int bus, uint32_t device, enum s
 	_device_id.devid_s.address = (uint8_t)device;
 	// devtype needs to be filled in by the driver
 	_device_id.devid_s.devtype = 0;
+
+	if (!px4_spi_bus_requires_locking(bus)) {
+		_locking_mode = LOCK_NONE;
+	}
 }
 
 SPI::~SPI()

src/lib/drivers/device/nuttx/SPI.hpp

@@ -43,6 +43,7 @@
 #include "../CDev.hpp"
 
 #include <nuttx/spi/spi.h>
+#include <px4_platform_common/spi.h>
 
 namespace device __EXPORT
 {
@@ -166,7 +167,7 @@ protected:
 
 	int	_transferhword(uint16_t *send, uint16_t *recv, unsigned len);
 
-	virtual bool	external() const override { return px4_spi_bus_external(get_device_bus()); }
+	bool	external() const override { return px4_spi_bus_external(get_device_bus()); }
 
 };
 

src/lib/drivers/device/posix/I2C.hpp

@@ -41,6 +41,7 @@
 #define _DEVICE_I2C_H
 
 #include "../CDev.hpp"
+#include <px4_platform_common/i2c.h>
 
 namespace device __EXPORT
 {

src/lib/drivers/device/posix/SPI.hpp

@@ -41,6 +41,7 @@
 #define _DEVICE_SPI_H
 
 #include "../CDev.hpp"
+#include <px4_platform_common/spi.h>
 
 #ifdef __PX4_LINUX