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| author | Jacky Wang <jacky5_wang@pegatron.corp-partner.google.com> | 2020-12-22 14:23:49 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-12-28 02:08:08 +0000 |
| commit | d698b87a77835e6a0d946a77b4deaeca3de12fa5 (patch) | |
| tree | 991d9d82d50a5b5bd381b3723ccde7aa0a193715 /driver | |
| parent | ebed64c3dc35edc61f58cb46a7a5e5fc59801a30 (diff) | |
| download | chrome-ec-d698b87a77835e6a0d946a77b4deaeca3de12fa5.tar.gz | |
Woomax: Modify strength value of PS8802 for USB-C signal quality.
Modify strength value of PS8802 for USB-C signal quality.
BUG=b:175350836
BRANCH=zork
TEST=make BOARD=woomax
Signed-off-by: Jacky Wang <jacky5_wang@pegatron.corp-partner.google.com>
Change-Id: I0f9199f596a27c1913eb650f063493796ac39ba6
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2599730
Reviewed-by: Edward Hill <ecgh@chromium.org>
Diffstat (limited to 'driver')
| -rw-r--r-- | driver/retimer/ps8802.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/driver/retimer/ps8802.h b/driver/retimer/ps8802.h index 4429db92ad..97edb656e9 100644 --- a/driver/retimer/ps8802.h +++ b/driver/retimer/ps8802.h @@ -32,6 +32,22 @@ #define PS8802_STATUS_10_GBPS BIT(5) /* + * PAGE 1 Register Definitions + */ +#define PS8802_REG_PAGE1 0x01 + +#define PS8802_800MV_LEVEL_TUNING 0x8A +#define PS8802_EXTRA_SWING_LEVEL_P0_DEFAULT 0X00 +#define PS8802_EXTRA_SWING_LEVEL_P0_DOWN_1 0X01 +#define PS8802_EXTRA_SWING_LEVEL_P0_DOWN_2 0X02 +#define PS8802_EXTRA_SWING_LEVEL_P0_DOWN_3 0X03 +#define PS8802_EXTRA_SWING_LEVEL_P0_DOWN_4 0X04 +#define PS8802_EXTRA_SWING_LEVEL_P0_UP_1 0X05 +#define PS8802_EXTRA_SWING_LEVEL_P0_UP_2 0X06 +#define PS8802_EXTRA_SWING_LEVEL_P0_UP_3 0X07 +#define PS8802_EXTRA_SWING_LEVEL_P0_MASK 0X07 + +/* * PAGE 2 Register Definitions */ #define PS8802_REG_PAGE2 0x02 |