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| author | Zick Wei <zick.wei@quanta.corp-partner.google.com> | 2020-06-23 17:19:23 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-06-25 19:34:02 +0000 |
| commit | d77a371e0a20a2af5ddb53b13c2588ea9d70eb57 (patch) | |
| tree | 4ce4da7737ab8c10182f6da0120cdf7ba25087f3 | |
| parent | 936ababb8c1bf35472fc058c1f2d314a35a1476c (diff) | |
| download | chrome-ec-d77a371e0a20a2af5ddb53b13c2588ea9d70eb57.tar.gz | |
berknip: add HDMI_POWER_EN_DB to NCT3807
The HDMI_POWER_EN_DB signal is set to power HDMI power rail.
BUG=b:152841287
BRANCH=none
TEST=make buildall
Signed-off-by: Zick Wei <zick.wei@quanta.corp-partner.google.com>
Change-Id: I3b5ba82a670bd4308fa5fda36b81697000d526bb
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2260172
Reviewed-by: Edward Hill <ecgh@chromium.org>
Commit-Queue: Edward Hill <ecgh@chromium.org>
| -rw-r--r-- | board/berknip/board.c | 18 | ||||
| -rw-r--r-- | board/berknip/gpio.inc | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/board/berknip/board.c b/board/berknip/board.c index 227ef3b38c..4d9d8f4166 100644 --- a/board/berknip/board.c +++ b/board/berknip/board.c @@ -153,6 +153,24 @@ const struct mft_t mft_channels[] = { }; BUILD_ASSERT(ARRAY_SIZE(mft_channels) == MFT_CH_COUNT); +/***************************************************************************** + * Retimers + */ + +static void retimers_on(void) +{ + /* hdmi retimer power on */ + ioex_set_level(IOEX_HDMI_POWER_EN_DB, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_RESUME, retimers_on, HOOK_PRIO_DEFAULT); + +static void retimers_off(void) +{ + /* hdmi retimer power off */ + ioex_set_level(IOEX_HDMI_POWER_EN_DB, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, retimers_off, HOOK_PRIO_DEFAULT); + /* * USB C0 port SBU mux use standalone PI3USB221 * chip and it need a board specific driver. diff --git a/board/berknip/gpio.inc b/board/berknip/gpio.inc index 4ab8379559..df0f4c965c 100644 --- a/board/berknip/gpio.inc +++ b/board/berknip/gpio.inc @@ -78,6 +78,7 @@ IOEX(USB_C0_SBU_FLIP, EXPIN(USBC_PORT_C0, 1, 7), GPIO_OUT_LOW) /* C0 SBU Flip * IOEX(USB_A1_RETIMER_EN, EXPIN(USBC_PORT_C1, 0, 0), GPIO_OUT_LOW) /* A1 Retimer Enable */ IOEX(USB_A1_RETIMER_RST_DB, EXPIN(USBC_PORT_C1, 0, 1), GPIO_OUT_LOW) /* A1 Retimer Reset */ IOEX(USB_C1_HPD_IN_DB, EXPIN(USBC_PORT_C1, 0, 2), GPIO_OUT_LOW) /* C1 HPD */ +IOEX(HDMI_POWER_EN_DB, EXPIN(USBC_PORT_C1, 0, 3), GPIO_OUT_LOW) /* HDMI retimer power enable */ IOEX(USB_C1_TCPC_FASTSW_CTL_EN, EXPIN(USBC_PORT_C1, 0, 4), GPIO_OUT_LOW) /* C1 FastSwitch Control */ IOEX(USB_C1_MUX_RST_DB, EXPIN(USBC_PORT_C1, 1, 1), GPIO_OUT_LOW) /* C1 Mux Reset */ IOEX(USB_C1_SBU_FAULT_DB_ODL, EXPIN(USBC_PORT_C1, 1, 2), GPIO_INPUT) /* C1 SBU Fault */ |