diff options
| author | Rex-BC Chen <rex-bc.chen@mediatek.corp-partner.google.com> | 2021-11-03 11:28:23 +0800 |
|---|---|---|
| committer | Hung-Te Lin <hungte@chromium.org> | 2021-11-17 10:29:55 +0000 |
| commit | 9d321588d04843621af4cddff411ddcee88fe682 (patch) | |
| tree | d4b35804b227b111cd73df23479e9993a2437d9f /src/soc/mediatek/common/include | |
| parent | e2cc773f71891f26330f235421602ad4bd3695e6 (diff) | |
soc/mediatek: move i2c function to common folder
Move mtk_i2c_max_step_cnt, mtk_i2c_check_ac_timing, mtk_i2c_speed_init
and mtk_i2c_calculate_speed to common folder to share with MT8186.
TEST=test on tomato ok
TEST=emerge-asurada coreboot
BUG=b:202871018
Signed-off-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Change-Id: I4a702741c763bf9261cea90d0d71c08b6e28c261
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59295
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Diffstat (limited to 'src/soc/mediatek/common/include')
| -rw-r--r-- | src/soc/mediatek/common/include/soc/i2c_common.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/soc/mediatek/common/include/soc/i2c_common.h b/src/soc/mediatek/common/include/soc/i2c_common.h index 72ec46a093..7df1ac5608 100644 --- a/src/soc/mediatek/common/include/soc/i2c_common.h +++ b/src/soc/mediatek/common/include/soc/i2c_common.h @@ -143,4 +143,15 @@ extern struct mtk_i2c mtk_i2c_bus_controller[]; const struct i2c_spec_values *mtk_i2c_get_spec(uint32_t speed); void mtk_i2c_dump_more_info(struct mt_i2c_regs *regs); +int mtk_i2c_check_ac_timing(uint8_t bus, uint32_t clk_src, + uint32_t check_speed, + uint32_t step_cnt, + uint32_t sample_cnt); +int mtk_i2c_calculate_speed(uint8_t bus, uint32_t clk_src, + uint32_t target_speed, + uint32_t *timing_step_cnt, + uint32_t *timing_sample_cnt); +void mtk_i2c_speed_init(uint8_t bus, uint32_t speed); +void mtk_i2c_config_timing(struct mt_i2c_regs *regs, struct mtk_i2c *bus_ctrl); + #endif |