diff options
| author | Keith Short <keithshort@chromium.org> | 2021-07-09 14:40:04 -0600 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-07-12 15:42:04 +0000 |
| commit | 8b81257ffd943e6ad301b647ef31338df13433b5 (patch) | |
| tree | d4df702dfea7885bb21ac6ac6bbfa15c2fcb991c /zephyr | |
| parent | c8c4df352b969b736faa411a75dbbfd96c5824f7 (diff) | |
| download | chrome-ec-8b81257ffd943e6ad301b647ef31338df13433b5.tar.gz | |
zephyr: add support for CONFIG_USBC_PPC_SYV682X_SMART_DISCHARGE
Add Kconfig option to enable the CONFIG_USBC_PPC_SYV682X_SMART_DISCHARGE
option on the SYV682x PPC.
BUG=b:193195946
BRANCH=none
TEST=zmake testall
TEST=make buildall
Signed-off-by: Keith Short <keithshort@chromium.org>
Change-Id: I5530951f75e2d4b64756858b9799c7978be44ba3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3015868
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Reviewed-by: Yuval Peress <peress@chromium.org>
Diffstat (limited to 'zephyr')
| -rw-r--r-- | zephyr/Kconfig.usbc | 16 | ||||
| -rw-r--r-- | zephyr/shim/include/config_chip.h | 5 |
2 files changed, 17 insertions, 4 deletions
diff --git a/zephyr/Kconfig.usbc b/zephyr/Kconfig.usbc index b2d48396fc..e40eba1140 100644 --- a/zephyr/Kconfig.usbc +++ b/zephyr/Kconfig.usbc @@ -809,10 +809,18 @@ config PLATFORM_EC_USBC_PPC_SYV682C config PLATFORM_EC_USBC_PPC_SYV682X_NO_CC bool "SYV682X does not pass through CC" help - Enable this if a SYV682X does not pass through CC. - There is a 3.6V limit on the HOST_CC signals, so the TCPC - should not source 5V VCONN. This config determines if - sourcing VCONN should be enabled by default. + Enable this if a SYV682X does not pass through CC. + There is a 3.6V limit on the HOST_CC signals, so the TCPC + should not source 5V VCONN. This config determines if + sourcing VCONN should be enabled by default. + +config PLATFORM_EC_USBC_PPC_SYV682X_SMART_DISCHARGE + bool "Enable smart discharge on the SYV682X PPC" + help + Enable the smart discharge feature on VBUS provided by the SYV682x + PPC. This should be enabled for revision C and above of the SYV682X. + Earlier revisions of the chip block I2C transactions during smart + discharge, causing USB PD compliance issues. config PLATFORM_EC_USBC_PPC_DEDICATED_INT bool "Power Power Controller has a dedicated interrupt pin" diff --git a/zephyr/shim/include/config_chip.h b/zephyr/shim/include/config_chip.h index d1c8672092..89f2ad4d52 100644 --- a/zephyr/shim/include/config_chip.h +++ b/zephyr/shim/include/config_chip.h @@ -974,6 +974,11 @@ #define CONFIG_USBC_PPC_SYV682X_NO_CC #endif +#undef CONFIG_USBC_PPC_SYV682X_SMART_DISCHARGE +#ifdef CONFIG_PLATFORM_EC_USBC_PPC_SYV682X_SMART_DISCHARGE +#define CONFIG_USBC_PPC_SYV682X_SMART_DISCHARGE +#endif + #undef CONFIG_USB_PD_TCPC_RUNTIME_CONFIG #undef CONFIG_USB_MUX_RUNTIME_CONFIG #ifdef CONFIG_PLATFORM_EC_USB_PD_TCPC_RUNTIME_CONFIG |