diff options
| author | Michael5 Chen <michael5_chen1@pegatron.corp-partner.google.com> | 2020-11-26 15:54:16 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-12-07 19:59:01 +0000 |
| commit | 9519eb83f1ae7ff09c2e87b2344072773bb17259 (patch) | |
| tree | cb7e6ebeb9961e61b706aa92ca05bbb9210874e5 /board/delbin | |
| parent | 8405cbe461ad133aecbb9418b2d12e62f5e10277 (diff) | |
| download | chrome-ec-9519eb83f1ae7ff09c2e87b2344072773bb17259.tar.gz | |
delbin: Initial PS8811 registers.
Depend on b/160937185 #32, initial PS8811 registers.
BUG=b:160937185
BRANCH=firmware-volteer-13521.B
TEST=manual
Check register value under s0.
Signed-off-by: Michael5 Chen <michael5_chen1@pegatron.corp-partner.google.com>
Change-Id: I262858b61050f9ad857f44e703bbd3cfd0e989f0
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2561904
Reviewed-by: Jacky Wang <jacky5_wang@pegatron.corp-partner.google.com>
Reviewed-by: Keith Short <keithshort@chromium.org>
Commit-Queue: Keith Short <keithshort@chromium.org>
Diffstat (limited to 'board/delbin')
| -rw-r--r-- | board/delbin/board.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/board/delbin/board.c b/board/delbin/board.c index 1c712724bc..cb58616607 100644 --- a/board/delbin/board.c +++ b/board/delbin/board.c @@ -12,6 +12,7 @@ #include "driver/accelgyro_bmi260.h" #include "driver/bc12/pi3usb9201.h" #include "driver/ppc/syv682x.h" +#include "driver/retimer/ps8811.h" #include "driver/tcpm/ps8xxx.h" #include "driver/tcpm/tcpci.h" #include "driver/tcpm/tusb422.h" @@ -342,6 +343,34 @@ __override const struct ec_response_keybd_config return &delbin_kb; } +static void ps8811_init(void) +{ + int rv; + + /* Set Channel A output swing to Level1 */ + rv = i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0x66, 0x10); + /* Set 50 ohm termination adjuct for B channel: -9%*/ + rv |= i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0x73, 0x04); + /* Set Channel B output swing to Level3 */ + rv |= i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0xA4, 0x03); + /* Set PS level for B channel */ + rv |= i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0xA5, 0x84); + /* Set DE level for B channel */ + rv |= i2c_write8(I2C_PORT_USB_1_MIX, + PS8811_I2C_ADDR_FLAGS0 + PS8811_REG_PAGE1, 0xA6, 0x16); +} + +/* Called on AP S5 -> S0ix transition */ +static void board_chipset_startup(void) +{ + ps8811_init(); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); + /* Called on AP S0ix -> S0 transition */ static void board_chipset_resume(void) { |