diff options
| author | Vincent Palatin <vpalatin@chromium.org> | 2015-05-04 17:39:09 -0700 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-05-05 16:54:30 +0000 |
| commit | 418ce5f80a26a0da4af396b802b1a2a5ce5b4291 (patch) | |
| tree | 0731dc9bdc04da62d1a5244c6a32599d8876e22a | |
| parent | 828086e961c0107bbdd65fa1086c082e95c912fc (diff) | |
| download | chrome-ec-418ce5f80a26a0da4af396b802b1a2a5ce5b4291.tar.gz | |
ryu: update PD electrical parameters
The new charger has a different input voltage range and has now a 5V
boost providing 1.5A when sourcing VBUS (along with an updated 1.5A Rp),
update the PD descriptors and voltage thresholds accordingly.
Overall, there is no functional change.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=none
BUG=chrome-os-partner:38603
TEST=build and verify 5V and 12V charging is still working
Change-Id: Ie3d54956c940781d06039fccd52966f37d7d48e4
Reviewed-on: https://chromium-review.googlesource.com/269261
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Commit-Queue: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
| -rw-r--r-- | board/ryu/usb_pd_config.h | 6 | ||||
| -rw-r--r-- | board/ryu/usb_pd_policy.c | 4 |
2 files changed, 6 insertions, 4 deletions
diff --git a/board/ryu/usb_pd_config.h b/board/ryu/usb_pd_config.h index 032611c34a..7017118c0a 100644 --- a/board/ryu/usb_pd_config.h +++ b/board/ryu/usb_pd_config.h @@ -199,8 +199,10 @@ static inline int pd_snk_is_vbus_provided(int port) return gpio_get_level(GPIO_CHGR_ACOK); } -/* Standard-current DFP : no-connect voltage is 1.55V */ -#define PD_SRC_VNC 1550 /* mV */ +/* 1.5A DFP : no-connect voltage threshold is 1.60V */ +#define PD_SRC_VNC 1600 /* mV */ +/* 1.5A DFP : Ra/Rd detection voltage threshold is 400mV */ +#define PD_SRC_RD_THRESHOLD 400 /* mV */ /* UFP-side : threshold for DFP connection detection */ #define PD_SNK_VA 200 /* mV */ diff --git a/board/ryu/usb_pd_policy.c b/board/ryu/usb_pd_policy.c index 9459ab8772..7bb5aea2e4 100644 --- a/board/ryu/usb_pd_policy.c +++ b/board/ryu/usb_pd_policy.c @@ -29,8 +29,8 @@ const int pd_src_pdo_cnt = ARRAY_SIZE(pd_src_pdo); const uint32_t pd_snk_pdo[] = { PDO_FIXED(5000, 500, PDO_FIXED_FLAGS), - PDO_BATT(4750, 21000, 10000), - PDO_VAR(4750, 21000, 3000), + PDO_BATT(4500, 14000, 10000), + PDO_VAR(4500, 14000, 3000), }; const int pd_snk_pdo_cnt = ARRAY_SIZE(pd_snk_pdo); |