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authorWai-Hong Tam <waihong@google.com>2020-10-19 18:02:58 -0700
committerCommit Bot <commit-bot@chromium.org>2020-10-22 20:01:56 +0000
commit6837703e92efad648cb3b63ddeb67879dc3940f3 (patch)
tree33d3c9876bf5d99e8b8da080026a76ad740479ab
parentda540040f61cd3947a46f87e0811095329aa1701 (diff)
downloadchrome-ec-6837703e92efad648cb3b63ddeb67879dc3940f3.tar.gz
Coachz: Define unused GPIOs
For the GPIOs connecting to nothing, define them. The unused GPIOs are configured as input with pull-up to save power. BRANCH=None BUG=b:169595541 TEST=Checked EC booted up correctly. Should be no change except power numbers. Change-Id: I6e23a791b7aa23c1545f195ea169332a57666ba5 Signed-off-by: Wai-Hong Tam <waihong@google.com> Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2488215 Reviewed-by: Alexandru M Stan <amstan@chromium.org>
-rw-r--r--board/coachz/gpio.inc43
1 files changed, 41 insertions, 2 deletions
diff --git a/board/coachz/gpio.inc b/board/coachz/gpio.inc
index dc76e5030c..9c7afae0ce 100644
--- a/board/coachz/gpio.inc
+++ b/board/coachz/gpio.inc
@@ -61,8 +61,6 @@ GPIO(QSIP_ON, PIN(5, 0), GPIO_OUT_LOW) /* Not used, for non-swit
/* Power enables */
GPIO(HIBERNATE_L, PIN(5, 2), GPIO_OUT_HIGH) /* EC hibernate */
GPIO(SWITCHCAP_ON, PIN(D, 5), GPIO_OUT_LOW) /* Enable switch cap; will be configured in the board init */
-/* TODO(waihong): Remove it. The VBOB switch is for backup. */
-GPIO(VBOB_EN, PIN(D, 3), GPIO_OUT_LOW) /* Enable VBOB */
GPIO(EN_PP3300_A, PIN(A, 6), GPIO_OUT_LOW) /* Enable PP3300 */
GPIO(EN_PP5000_A, PIN(6, 7), GPIO_OUT_LOW) /* Enable PP5000 */
GPIO(EC_BL_DISABLE_L, PIN(B, 6), GPIO_OUT_LOW) /* Backlight disable signal from EC */
@@ -145,6 +143,47 @@ GPIO(SKU_ID2, PIN(D, 4), GPIO_INPUT)
*/
GPIO(DA9313_GPIO0, PIN(E, 2), GPIO_INPUT | GPIO_PULL_DOWN) /* Switchcap GPIO0 */
+/* Unused GPIOs, NC. Apply PU for power saving */
+UNUSED(PIN(5, 1))
+UNUSED(PIN(F, 3))
+UNUSED(PIN(3, 1))
+UNUSED(PIN(2, 7))
+UNUSED(PIN(2, 6))
+UNUSED(PIN(2, 5))
+UNUSED(PIN(2, 4))
+UNUSED(PIN(2, 3))
+UNUSED(PIN(2, 2))
+UNUSED(PIN(2, 1))
+UNUSED(PIN(2, 0))
+UNUSED(PIN(1, 7))
+UNUSED(PIN(1, 6))
+UNUSED(PIN(1, 5))
+UNUSED(PIN(1, 4))
+UNUSED(PIN(1, 3))
+UNUSED(PIN(1, 2))
+UNUSED(PIN(1, 1))
+UNUSED(PIN(1, 0))
+UNUSED(PIN(0, 7))
+UNUSED(PIN(0, 6))
+UNUSED(PIN(0, 5))
+UNUSED(PIN(9, 4))
+UNUSED(PIN(9, 7))
+UNUSED(PIN(A, 7))
+UNUSED(PIN(B, 0))
+UNUSED(PIN(A, 5))
+UNUSED(PIN(3, 5))
+UNUSED(PIN(7, 2))
+UNUSED(PIN(8, 1))
+UNUSED(PIN(7, 6))
+UNUSED(PIN(3, 4))
+UNUSED(PIN(C, 0))
+UNUSED(PIN(6, 2))
+UNUSED(PIN(8, 3))
+UNUSED(PIN(B, 1))
+UNUSED(PIN(5, 6))
+UNUSED(PIN(8, 0))
+UNUSED(PIN(D, 3))
+
/* Alternate functions GPIO definitions */
ALTERNATE(PIN_MASK(6, 0x30), 0, MODULE_UART, 0) /* UART (GPIO64/65) */
ALTERNATE(PIN_MASK(B, 0x30), 1, MODULE_I2C, 0) /* I2C0 (GPIOB4/B5) */