diff options
| author | Furquan Shaikh <furquan@chromium.org> | 2017-02-11 10:57:23 -0800 |
|---|---|---|
| committer | Furquan Shaikh <furquan@google.com> | 2017-02-16 08:41:28 +0100 |
| commit | 7606c377f56ab68421aa482b1ded6840d426e197 (patch) | |
| tree | e25c60cc8e33127ce9193c7190ff8e1299d173fd /src/include/device/path.h | |
| parent | e67002968b6ebc69c5a94fb2cee17af3845268c9 (diff) | |
device: Add a new "SPI" device type
Add support for a new "SPI" device type in the devicetree to bind a
device on the SPI bus. Allow device to provide chip select number for
the device as a parameter.
Add spi_bus_operations with operation dev_to_bus which allows SoCs to
define a translation method for converting "struct device" into a unique
SPI bus number.
BUG=chrome-os-partner:59832
BRANCH=None
TEST=Compiles successfully.
Change-Id: I86f09516d3cddd619fef23a4659c9e4eadbcf3fa
Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-on: https://review.coreboot.org/18340
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Tested-by: build bot (Jenkins)
Diffstat (limited to 'src/include/device/path.h')
| -rw-r--r-- | src/include/device/path.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/include/device/path.h b/src/include/device/path.h index 9d7fb38d42..849b579455 100644 --- a/src/include/device/path.h +++ b/src/include/device/path.h @@ -14,6 +14,7 @@ enum device_path_type { DEVICE_PATH_CPU_BUS, DEVICE_PATH_IOAPIC, DEVICE_PATH_GENERIC, + DEVICE_PATH_SPI, /* * When adding path types to this table, please also update the @@ -33,7 +34,8 @@ enum device_path_type { "DEVICE_PATH_CPU", \ "DEVICE_PATH_CPU_BUS", \ "DEVICE_PATH_IOAPIC", \ - "DEVICE_PATH_GENERIC" \ + "DEVICE_PATH_GENERIC", \ + "DEVICE_PATH_SPI", \ } struct domain_path @@ -58,6 +60,11 @@ struct i2c_path unsigned mode_10bit; }; +struct spi_path +{ + unsigned cs; +}; + struct apic_path { unsigned apic_id; @@ -107,6 +114,7 @@ struct device_path { struct cpu_path cpu; struct cpu_bus_path cpu_bus; struct generic_path generic; + struct spi_path spi; }; }; |