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| author | David Huang <david.huang@quanta.corp-partner.google.com> | 2020-04-16 09:23:43 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-04-16 10:56:45 +0000 |
| commit | f6bed060ec8abbf438c2f774525c23925ed0c2ba (patch) | |
| tree | a05a80a91dd13670a599afe4a07c51819b9f7702 /board/ezkinil/board.c | |
| parent | da8728f5d2eb767f7419a5e913ba3009732ad185 (diff) | |
| download | chrome-ec-f6bed060ec8abbf438c2f774525c23925ed0c2ba.tar.gz | |
Ezkinil: Set mux board tuning for TUSB544 and PS8743
Set correct mode and HPD_IN_DB for TUSB544/PS8743.
BUG=b:152736880
BRANCH=ezkinil
TEST=Check typec both side usb speed shows 5G in "lsusb -t" and display is
workable.
Signed-off-by: David Huang <david.huang@quanta.corp-partner.google.com>
Change-Id: I9b16e650f15eedbcd7b35b69fdfe93c3268942f2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2141371
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Diffstat (limited to 'board/ezkinil/board.c')
| -rw-r--r-- | board/ezkinil/board.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/board/ezkinil/board.c b/board/ezkinil/board.c index 6191c3403c..8859701416 100644 --- a/board/ezkinil/board.c +++ b/board/ezkinil/board.c @@ -254,6 +254,68 @@ struct usb_mux usb_muxes[] = { }; BUILD_ASSERT(ARRAY_SIZE(usb_muxes) == USBC_PORT_COUNT); +static int board_tusb544_mux_set(const struct usb_mux *me, + mux_state_t mux_state) +{ + if (mux_state & USB_PD_MUX_DP_ENABLED) { + /* Enable IN_HPD on the DB */ + ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1); + } else { + /* Disable IN_HPD on the DB */ + ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0); + } + return EC_SUCCESS; +} + +static int board_ps8743_mux_set(const struct usb_mux *me, + mux_state_t mux_state) +{ + int rv = EC_SUCCESS; + int reg = 0; + + rv = ps8743_read(me, PS8743_REG_MODE, ®); + if (rv) + return rv; + /* + * TODO(b:152736880) Due to Ezkinil doesn't have FLIP_PIN and + * CE_DP_PIN, we need set 1 to this two BIT, but the name of + * these two bits are confusing. Need fix the name in other patch. + */ + /* Disable FLIP pin detect since ezkinil don't have FLIP. */ + reg |= PS8743_MODE_FLIP_PIN_ENABLED; + /* Disable CE_DP pin detect, since ezkinil don't have CE_DP. */ + reg |= PS8743_MODE_CE_DP_ENABLED; + + /* DP specific config */ + if (mux_state & USB_PD_MUX_DP_ENABLED) { + /* Enable IN_HPD on the DB */ + ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1); + /* Disable USB mode on DB */ + ioex_set_level(IOEX_USB_C1_DATA_EN, 0); + } else { + /* Disable IN_HPD on the DB */ + ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0); + /* Enable USB mode on DB */ + ioex_set_level(IOEX_USB_C1_DATA_EN, 1); + } + return ps8743_write(me, PS8743_REG_MODE, reg); +} + +const struct usb_mux usbc1_tusb544 = { + .usb_port = USBC_PORT_C1, + .i2c_port = I2C_PORT_TCPC1, + .i2c_addr_flags = TUSB544_I2C_ADDR_FLAGS1, + .driver = &tusb544_drv, + .board_set = &board_tusb544_mux_set, +}; +const struct usb_mux usbc1_ps8743 = { + .usb_port = USBC_PORT_C1, + .i2c_port = I2C_PORT_TCPC1, + .i2c_addr_flags = PS8743_I2C_ADDR1_FLAG, + .driver = &ps8743_usb_mux_driver, + .board_set = &board_ps8743_mux_set, +}; + /***************************************************************************** * Use FW_CONFIG to set correct configuration. */ |