summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorRyan Zhang <ryan.zhang@quanta.corp-partner.google.com>2018-12-22 16:45:22 +0800
committerChromeOS Commit Bot <chromeos-commit-bot@chromium.org>2019-01-08 04:51:47 +0000
commit615e41c27210677d142a9121c2133b5a261613a1 (patch)
treec8ba417953f407dec8b44a1700df997cda8b6f05
parent746041b52916f69966f729e9e3c3e4271f9e7968 (diff)
downloadchrome-ec-615e41c27210677d142a9121c2133b5a261613a1.tar.gz
Karma: add new GPIO
EC_PANEL_EDID_WRITE_EN_L is used as EDID write protect. HIGH: not able to write EDID LOW : able to write EDID BUG=b:118656999 BRANCH=master TEST=`ectool gpioset EC_PANEL_EDID_WRITE_EN_L 0` can write EDID `ectool gpioset EC_PANEL_EDID_WRITE_EN_L 1` can not write EDID Change-Id: Ide7d6650544fae7f6abd06ab8653e3053362687f Reviewed-on: https://chromium-review.googlesource.com/c/1389985 Reviewed-by: David Wu <david_wu@quanta.corp-partner.google.com> Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org> Commit-Queue: David Huang <David.Huang@quantatw.com> Tested-by: David Huang <David.Huang@quantatw.com>
-rw-r--r--board/karma/gpio.inc2
1 files changed, 1 insertions, 1 deletions
diff --git a/board/karma/gpio.inc b/board/karma/gpio.inc
index 30fa69034e..06295b6693 100644
--- a/board/karma/gpio.inc
+++ b/board/karma/gpio.inc
@@ -78,13 +78,13 @@ GPIO(USB_A_CHARGE_EN_L, PIN(A, 5), GPIO_OUT_LOW)
GPIO(CEC_OUT, PIN(3, 6), GPIO_OUT_HIGH | GPIO_OPEN_DRAIN)
GPIO(CEC_IN, PIN(4, 0), GPIO_INPUT)
GPIO(CEC_PULL_UP, PIN(D, 3), GPIO_OUT_HIGH)
+GPIO(EC_PANEL_EDID_WRITE_EN_L, PIN(C, 3), GPIO_OUT_HIGH) /* LOW to write EDID */
/* Speaker */
GPIO(SPKR5, PIN(C, 2), GPIO_INPUT) /* No function */
/* Test points */
GPIO(TP48, PIN(B, 1), GPIO_INPUT)
-GPIO(TP52, PIN(C, 3), GPIO_INPUT)
GPIO(TP121, PIN(3, 3), GPIO_INPUT)
GPIO(TP123, PIN(C, 5), GPIO_INPUT)
GPIO(TP127, PIN(6, 6), GPIO_INPUT)