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tegra132: add enums for bus names

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Instead of requiring the mainboards to know the magic
literals for the bus numbers provide an easier name to
number to handle all the weird ordering.

BUG=chrome-os-partner:31106
BRANCH=None
TEST=Built and booted on ryu.

Change-Id: Id4d773d3049a43b186711900c61935ba7f3562ce
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/213491
Reviewed-by: Furquan Shaikh <furquan@chromium.org>
This commit is contained in:
Aaron Durbin 2014-08-21 14:50:36 -05:00 • committed by chrome-internal-fetch
commit b028e90650
1 changed files with 16 additions and 0 deletions
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16
src/soc/nvidia/tegra132/include/soc/funitcfg.h
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@ -42,6 +42,22 @@ enum {
FUNIT_INDEX_MAX,
};
/*
* Note: these bus numbers are dependent on the driver implementations, and
* currently the I2C is 0-based and SPI is 1-based in its indexing.
*/
enum {
I2C2_BUS = 1,
I2C3_BUS = 2,
I2C5_BUS = 4,
I2CPWR_BUS = I2C5_BUS,
I2C6_BUS = 5,
SPI1_BUS = 1,
SPI4_BUS = 4,
};
struct funit_cfg {
uint32_t funit_index;
uint32_t clk_src_id;