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| author | Yu-An Chen <yu-an.chen@quanta.corp-partner.google.com> | 2021-07-29 19:12:32 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-08-18 01:53:06 +0000 |
| commit | 3ce7fec56c754fcf9eb3b145bce4d7697d7e6b9d (patch) | |
| tree | a35a238951cf104603c19cd2d56e838970c04032 | |
| parent | 525d9260a92e8c654ce26137b06ed92da3618c0a (diff) | |
| download | chrome-ec-3ce7fec56c754fcf9eb3b145bce4d7697d7e6b9d.tar.gz | |
Chronicler: Update usb3 signal setting
Update usb3 signal setting
BUG=b:194985848
BRANCH=volteer
TEST=make BOARD=chronicler
Signed-off-by: Yu-An Chen <yu-an.chen@quanta.corp-partner.google.com>
Change-Id: I929ca1af7105b53f92c80c7e478e1815965daa00
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3060351
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
| -rw-r--r-- | board/chronicler/usbc_config.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/board/chronicler/usbc_config.c b/board/chronicler/usbc_config.c index 1fec96a2a3..60e898aacc 100644 --- a/board/chronicler/usbc_config.c +++ b/board/chronicler/usbc_config.c @@ -17,6 +17,7 @@ #include "driver/ppc/sn5s330_public.h" #include "driver/ppc/syv682x_public.h" #include "driver/retimer/bb_retimer_public.h" +#include "driver/retimer/ps8811.h" #include "driver/tcpm/ps8xxx_public.h" #include "driver/tcpm/rt1715_public.h" #include "driver/tcpm/tusb422_public.h" @@ -312,6 +313,68 @@ static void ps8815_reset(void) CPRINTS("ps8815: reg 0x0f now %02x", val); } +static void ps8815_setup_eq(void) +{ + int rv; + + /* TX1 EQ 19db / TX2 EQ 19db */ + rv = i2c_write8(tcpc_config[USBC_PORT_C1].i2c_info.port, + tcpc_config[USBC_PORT_C1].i2c_info.addr_flags, 0x20, 0x77); + + /* RX1 EQ 12db / RX2 EQ 13db */ + rv |= i2c_write8(tcpc_config[USBC_PORT_C1].i2c_info.port, + tcpc_config[USBC_PORT_C1].i2c_info.addr_flags, 0x22, 0x32); + + /* Swing level for upstream port output */ + rv |= i2c_write8(tcpc_config[USBC_PORT_C1].i2c_info.port, + tcpc_config[USBC_PORT_C1].i2c_info.addr_flags, 0xc4, 0x03); + + if (rv) + CPRINTS("%s fail!", __func__); +} + +static void ps8811_setup_eq(void) +{ + int rv; + + /* AEQ 12db */ + rv = i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0x01, 0x26); + /* ADE 2.1db */ + rv |= i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0x02, 0x60); + /* BEQ 10.5db */ + rv |= i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0x05, 0x16); + /* BDE 2.1db */ + rv |= i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0x06, 0x63); + /* Channel A swing level */ + rv |= i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0x66, 0x20); + /* Channel B swing level */ + rv |= i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0xa4, 0x03); + /* PS level foe B channel */ + rv |= i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0xa5, 0x83); + /* DE level foe B channel */ + rv |= i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0xa6, 0x14); + + if (rv) + CPRINTS("%s fail!", __func__); +} + +/* Called on AP S5 -> S0 transition */ +void board_ps8xxx_init(void) +{ + CPRINTS("%s", __func__); + ps8815_setup_eq(); + ps8811_setup_eq(); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_ps8xxx_init, HOOK_PRIO_LAST); + void board_reset_pd_mcu(void) { enum ec_cfg_usb_db_type usb_db = ec_cfg_usb_db_type(); |