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UPSTREAM: spi: Add function callback to get configuration of SPI bus

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Add a new callback to spi_ctrlr structure - get_config - to obtain
configuration of SPI bus from the controller driver. Also, move common
config definitions from acpi_device.h to spi-generic.h

BUG=chrome-os-partner:59832
BRANCH=None
TEST=Compiles successfully

Change-Id: I65605a03c4368f1bb4cea38d5b88e0aa4f600249
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Original-Commit-Id: 3e01b633d6
Original-Change-Id: I412c8c70167d18058a32041c2310bc1c884043ce
Original-Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-on: https://review.coreboot.org/18337
Original-Tested-by: build bot (Jenkins)
Original-Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/444805
This commit is contained in:
Furquan Shaikh 2017-01-08 13:32:30 -08:00 • committed by chrome-bot
commit 6c31bd60ae
3 changed files with 53 additions and 17 deletions
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18
src/arch/x86/include/arch/acpi_device.h
View file

@ -18,6 +18,7 @@
#include <device/i2c.h>
#include <stdint.h>
#include <spi-generic.h>
#define ACPI_DESCRIPTOR_LARGE (1 << 7)
#define ACPI_DESCRIPTOR_INTERRUPT (ACPI_DESCRIPTOR_LARGE | 9)
@ -216,23 +217,6 @@ void acpi_device_write_i2c(const struct acpi_i2c *i2c);
* ACPI SPI Bus
*/
enum spi_clock_phase {
SPI_CLOCK_PHASE_FIRST,
SPI_CLOCK_PHASE_SECOND
};
/* SPI Flags bit 0 */
enum spi_wire_mode {
SPI_4_WIRE_MODE,
SPI_3_WIRE_MODE
};
/* SPI Flags bit 1 */
enum spi_polarity {
SPI_POLARITY_LOW,
SPI_POLARITY_HIGH
};
struct acpi_spi {
/* Device selection */
uint16_t device_select;