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authorSam Hurst <shurst@google.com>2021-12-04 15:06:07 -0800
committerCommit Bot <commit-bot@chromium.org>2021-12-06 18:45:27 +0000
commit8b6e53873cafa90de04e50a6c74ca9059b3126e8 (patch)
tree844c1ecdd31430aca011099309b83c3f83b8dd87
parentf4320b6036c855abba96191f53928e54529f91ea (diff)
downloadchrome-ec-8b6e53873cafa90de04e50a6c74ca9059b3126e8.tar.gz
zephyr: herobrine: GPIOB6 and GPIOB7 config change.
For Herobrine board version 1, pin GPIOB7 is unused and GPIOB6 is configured as input (HiZ). BRANCH=main BUG=b:202008595 TEST=Built the Zephyr image. Needs testing when version 1 boards are available. Signed-off-by: Sam Hurst <shurst@google.org> Change-Id: Ia18dda97b65122ed768fe89f64f0857da4356b89 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3315752 Tested-by: Sam Hurst <shurst@google.com> Reviewed-by: Keith Short <keithshort@chromium.org> Commit-Queue: Keith Short <keithshort@chromium.org> Commit-Queue: Sam Hurst <shurst@google.com>
-rw-r--r--zephyr/projects/herobrine/herobrine_npcx9/gpio.dts10
1 files changed, 8 insertions, 2 deletions
diff --git a/zephyr/projects/herobrine/herobrine_npcx9/gpio.dts b/zephyr/projects/herobrine/herobrine_npcx9/gpio.dts
index 152f033db4..3ad7eda010 100644
--- a/zephyr/projects/herobrine/herobrine_npcx9/gpio.dts
+++ b/zephyr/projects/herobrine/herobrine_npcx9/gpio.dts
@@ -163,7 +163,12 @@
label = "EN_PP5000_S5";
};
ec_bl_disable_l {
- gpios = <&gpiob 6 GPIO_OUT_LOW>;
+ /* The PMIC controls backlight enable and this pin must
+ * be HiZ for normal operation. But the backlight can
+ * be enabled by setting this pin low and configuring it
+ * as an output.
+ */
+ gpios = <&gpiob 6 GPIO_INPUT>;
enum-name = "GPIO_ENABLE_BACKLIGHT";
label = "EC_BL_DISABLE_L";
};
@@ -362,7 +367,8 @@
<&gpio9 3 0>,
<&gpioa 7 0>,
<&gpio5 0 0>,
- <&gpio8 1 0>;
+ <&gpio8 1 0>,
+ <&gpiob 7 0>;
};
};