diff options
| author | Shawn Nematbakhsh <shawnn@google.com> | 2015-11-09 15:27:52 -0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2015-11-11 11:00:54 -0800 |
| commit | c391492dcaadb327c86592e46c89ffdf33d0965d (patch) | |
| tree | 396f0fe63072fdfe82a01800b59b3c41c050a650 | |
| parent | b83dbc319990eda37f7eb6fd6516e70640ab3ac6 (diff) | |
| download | chrome-ec-c391492dcaadb327c86592e46c89ffdf33d0965d.tar.gz | |
glados: Add pullup to SPI MISO GPIO
When SPI CS is deasserted, SPI MISO is floating, which leads to leakage.
BUG=chrome-os-partner:42104
BRANCH=None
TEST=Manual on glados. Verify S5 power drops by ~1.5mW and sysjump / EC
RW hashing continues to function.
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Change-Id: I0ba8fcab1618f396adc32984da93e37c5ff770a4
Reviewed-on: https://chromium-review.googlesource.com/311821
Commit-Ready: Shawn N <shawnn@gmail.com>
Tested-by: Shawn N <shawnn@chromium.org>
Reviewed-by: Alec Berg <alecaberg@chromium.org>
| -rw-r--r-- | board/glados/gpio.inc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/board/glados/gpio.inc b/board/glados/gpio.inc index d507fcb505..6427284afa 100644 --- a/board/glados/gpio.inc +++ b/board/glados/gpio.inc @@ -148,7 +148,7 @@ ALTERNATE(PIN_MASK(12, 0x01), 1, MODULE_LPC, 0) /* MOSI - GPIO054 */ ALTERNATE(PIN_MASK(5, 0x10), 1, MODULE_SPI, 0) /* MISO - GPIO164 */ -ALTERNATE(PIN_MASK(16, 0x10), 1, MODULE_SPI, 0) +ALTERNATE(PIN_MASK(16, 0x10), 1, MODULE_SPI, GPIO_PULL_UP) /* PVT_SCLK - GPIO153 */ ALTERNATE(PIN_MASK(15, 0x08), 1, MODULE_SPI, 0) /* SHD_CS0# - GPIO150. Shared SPI chip select */ |