diff options
| author | Dino Li <dino.li@ite.com.tw> | 2016-04-08 16:33:43 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-04-11 20:08:27 -0700 |
| commit | 35e8490a63fda5c0c55cfa1232da6e7b44f191e2 (patch) | |
| tree | 9a1a2b0cfccf42ac22af990343c13dc3438555a4 | |
| parent | f3552a6863079a29a90268da55b2f2d2b789580a (diff) | |
| download | chrome-ec-35e8490a63fda5c0c55cfa1232da6e7b44f191e2.tar.gz | |
chip: it83xx: disable USB module's clock at default
The GPIOH.5/6 are reserved for USB module and the
clock is disabled before configuring it.
Signed-off-by: Dino Li <dino.li@ite.com.tw>
BRANCH=none
BUG=none
TEST=Clock is disabled at default.
Change-Id: If679ab3de13019f19a936b9a412b20973fb8989f
Reviewed-on: https://chromium-review.googlesource.com/338066
Commit-Ready: Dino Li <dino.li@ite.com.tw>
Tested-by: Dino Li <dino.li@ite.com.tw>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
| -rw-r--r-- | board/it8380dev/board.c | 17 | ||||
| -rw-r--r-- | chip/it83xx/clock.c | 3 |
2 files changed, 2 insertions, 18 deletions
diff --git a/board/it8380dev/board.c b/board/it8380dev/board.c index 61ffbacf05..5b4f7dcbab 100644 --- a/board/it8380dev/board.c +++ b/board/it8380dev/board.c @@ -181,23 +181,6 @@ static void board_init(void) * use console command "sleepmask" to enable it if necessary. */ disable_sleep(SLEEP_MASK_FORCE_NO_DSLEEP); - /* - * The GPIOH.5/6 may be used for flashing purposes if WP pin - * is deasserted. The clock of this module needs to be enabled. - * So we disable the clock when WP pin is asserted, - * this can help to reduce power consumption. - */ -#ifdef CONFIG_WP_ACTIVE_HIGH - if (gpio_get_level(GPIO_WP)) - clock_disable_peripheral(CGC_OFFSET_USB, 0, 0); - else - clock_enable_peripheral(CGC_OFFSET_USB, 0, 0); -#else - if (!gpio_get_level(GPIO_WP_L)) - clock_disable_peripheral(CGC_OFFSET_USB, 0, 0); - else - clock_enable_peripheral(CGC_OFFSET_USB, 0, 0); -#endif } DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT); diff --git a/chip/it83xx/clock.c b/chip/it83xx/clock.c index 895211cac2..b24341b062 100644 --- a/chip/it83xx/clock.c +++ b/chip/it83xx/clock.c @@ -61,7 +61,8 @@ static void clock_module_disable(void) clock_disable_peripheral((CGC_OFFSET_SMBA | CGC_OFFSET_SMBB | CGC_OFFSET_SMBC | CGC_OFFSET_SMBD | CGC_OFFSET_SMBE | CGC_OFFSET_SMBF), 0, 0); - clock_disable_peripheral((CGC_OFFSET_SSPI | CGC_OFFSET_PECI), 0, 0); + clock_disable_peripheral((CGC_OFFSET_SSPI | CGC_OFFSET_PECI | + CGC_OFFSET_USB), 0, 0); } void clock_init(void) |