diff options
| author | Simon Glass <sjg@chromium.org> | 2020-07-07 13:11:49 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-07-17 14:32:24 +0800 |
| commit | 70e5e67a4dc7cee0c69eaf9f5cc07b201a59cb59 (patch) | |
| tree | 21b30aa80c5c2c435fdb4ec242c08c2d9fc08c61 /include/spi.h | |
| parent | 31e1787ec15e4a498e940e9ba24b625ca059a3b2 (diff) | |
acpi: Support generation of SPI descriptor
Add a function to write a SPI descriptor to the generated ACPI code.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'include/spi.h')
| -rw-r--r-- | include/spi.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/spi.h b/include/spi.h index a37900b2fd..98ba9e796d 100644 --- a/include/spi.h +++ b/include/spi.h @@ -13,8 +13,8 @@ #include <linux/bitops.h> /* SPI mode flags */ -#define SPI_CPHA BIT(0) /* clock phase */ -#define SPI_CPOL BIT(1) /* clock polarity */ +#define SPI_CPHA BIT(0) /* clock phase (1 = SPI_CLOCK_PHASE_SECOND) */ +#define SPI_CPOL BIT(1) /* clock polarity (1 = SPI_POLARITY_HIGH) */ #define SPI_MODE_0 (0|0) /* (original MicroWire) */ #define SPI_MODE_1 (0|SPI_CPHA) #define SPI_MODE_2 (SPI_CPOL|0) |