diff options
| author | Yu-An Chen <yu-an.chen@quanta.corp-partner.google.com> | 2022-02-15 10:28:16 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2022-02-16 07:36:34 +0000 |
| commit | a9f8632cbaceea7bf93ebba5933b7d658b97fb5d (patch) | |
| tree | 2a571e8bd704170762e85632fc5f3e9fc56a3ab1 | |
| parent | d97ef85d58a5fb40f2a96e8524de658f13382d69 (diff) | |
| download | chrome-ec-a9f8632cbaceea7bf93ebba5933b7d658b97fb5d.tar.gz | |
volmar: Modify USB C1 i2c port speed
Modify the I2C frequency of I2C_PORT_USB_C1_TCPC and
I2C_PORT_USB_C1_PPC from 400 kHz to 1000 kHz
and disable C1_PPC dynamic speed.
BUG=b:211891086
BRANCH=brya
TEST=check pd 1 working
Signed-off-by: Yu-An Chen <yu-an.chen@quanta.corp-partner.google.com>
Change-Id: Ia6e20ce5ce1064add91de021f00121cf70bcfc96
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3459601
Reviewed-by: caveh jalali <caveh@chromium.org>
Commit-Queue: caveh jalali <caveh@chromium.org>
| -rw-r--r-- | board/volmar/i2c.c | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/board/volmar/i2c.c b/board/volmar/i2c.c index 74d5d2878e..890a578788 100644 --- a/board/volmar/i2c.c +++ b/board/volmar/i2c.c @@ -60,7 +60,6 @@ const struct i2c_port_t i2c_ports[] = { .kbps = 1000, .scl = GPIO_EC_I2C_USB_C1_MIX_SCL, .sda = GPIO_EC_I2C_USB_C1_MIX_SDA, - .flags = I2C_PORT_FLAG_DYNAMIC_SPEED, }, { /* I2C7 */ @@ -72,19 +71,3 @@ const struct i2c_port_t i2c_ports[] = { }, }; const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); - -/* - * I2C controllers are initialized in main.c. This sets the speed much - * later, but before I2C peripherals are initialized. - */ -static void set_board_legacy_i2c_speeds(void) -{ - if (get_board_id() >= BOARD_ID_FAST_PLUS_CAPABLE) - return; - - ccprints("setting USB DB I2C buses to 400 kHz\n"); - - i2c_set_freq(I2C_PORT_USB_C1_TCPC, I2C_FREQ_400KHZ); - i2c_set_freq(I2C_PORT_USB_C1_PPC, I2C_FREQ_400KHZ); -} -DECLARE_HOOK(HOOK_INIT, set_board_legacy_i2c_speeds, HOOK_PRIO_INIT_I2C - 1); |