diff options
| author | Simon Glass <sjg@chromium.org> | 2021-06-04 16:01:55 -0600 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-06-11 21:28:00 +0000 |
| commit | 4d72507fb50e3f423494374dd2ced5c713d9ae21 (patch) | |
| tree | b028ef7115b46ad4af5b8b8019925d5f88203021 | |
| parent | d659ef75281526c7da5570d135de1a45856f0611 (diff) | |
| download | chrome-ec-4d72507fb50e3f423494374dd2ced5c713d9ae21.tar.gz | |
zephyr: Support DP hotplug detect with a GPIO
Add Kconfig support for USB_PD_DP_HPD_GPIO and the associated option
so we can support this feature.
BUG=b:189855648
BRANCH=none
TEST=with other CLs, build asurada for Zephyr
Signed-off-by: Simon Glass <sjg@chromium.org>
Change-Id: Iffee7fea469ac85fb9b41715fdd5bb767994584e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2941883
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Tested-by: Denis Brockus <dbrockus@chromium.org>
Commit-Queue: Denis Brockus <dbrockus@chromium.org>
| -rw-r--r-- | zephyr/Kconfig.usbc | 20 | ||||
| -rw-r--r-- | zephyr/shim/include/config_chip.h | 10 |
2 files changed, 30 insertions, 0 deletions
diff --git a/zephyr/Kconfig.usbc b/zephyr/Kconfig.usbc index 172fd5b697..1b4933c005 100644 --- a/zephyr/Kconfig.usbc +++ b/zephyr/Kconfig.usbc @@ -471,6 +471,26 @@ config PLATFORM_EC_USB_PD_USB32_DRD other end so that it can potentially take advantage of the additional features available. +config PLATFORM_EC_USB_PD_DP_HPD_GPIO + bool "Hotplug Detect (HPD) is controlled by an EC GPIO" + help + Enable this if the EC must send the Hotplug Detect (HPD) signal to + the DisplayPort Graphics Processing Unit (GPU) via a GPIO. Otherwise + this is sent by the display device. + +config PLATFORM_EC_USB_PD_DP_HPD_GPIO_CUSTOM + bool "Custom handling of HPD GPIO" + depends on PLATFORM_EC_USB_PD_DP_HPD_GPIO + help + Enable this if the Hotplug Detect (HPD) GPIO level has to be handled + by custom functions. In this case your board must implement a + function to enable the feature for a port and another function to + check the current state: + + void svdm_set_hpd_gpio(int port, int enable); + + int svdm_get_hpd_gpio(int port); + choice "VBUS detection method" prompt "Select the method to detect VBUS" diff --git a/zephyr/shim/include/config_chip.h b/zephyr/shim/include/config_chip.h index 13116516d6..a985882eb2 100644 --- a/zephyr/shim/include/config_chip.h +++ b/zephyr/shim/include/config_chip.h @@ -1610,4 +1610,14 @@ #define CONFIG_CONSOLE_CHANNEL #endif +#undef CONFIG_USB_PD_DP_HPD_GPIO +#ifdef CONFIG_PLATFORM_EC_USB_PD_DP_HPD_GPIO +#define CONFIG_USB_PD_DP_HPD_GPIO +#endif + +#undef CONFIG_USB_PD_DP_HPD_GPIO_CUSTOM +#ifdef CONFIG_PLATFORM_EC_USB_PD_DP_HPD_GPIO_CUSTOM +#define CONFIG_USB_PD_DP_HPD_GPIO_CUSTOM +#endif + #endif /* __CROS_EC_CONFIG_CHIP_H */ |