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yorp: Switch on blue LED on boot-up

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This is helpful during early debugging to identify if the EC is up and
running. This will be later cleaned up as part of LED support for
yorp.

BUG=b:74952719
BRANCH=None
TEST=Verified that blue led glows up on booting up EC.

Change-Id: I4670c210045c649a926e7c3f23c5d6097df69e3d
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://chromium-review.googlesource.com/979270
Commit-Ready: Furquan Shaikh <furquan@chromium.org>
Tested-by: Furquan Shaikh <furquan@chromium.org>
Reviewed-by: Justin TerAvest <teravest@chromium.org>
This commit is contained in:
Furquan Shaikh
2018-03-23 19:38:25 -07:00
committed by chrome-bot
parent 3bd4e0de5e
commit 286dfbd0c9
3 changed files with 28 additions and 0 deletions
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1
board/yorp/build.mk
View File

@@ -13,4 +13,5 @@ BASEBOARD:=octopus
board-y=board.o
board-$(CONFIG_BATTERY_SMART)+=battery.o
board-y+=led.o
board-$(CONFIG_USB_POWER_DELIVERY)+=usb_pd_policy.o

5
board/yorp/gpio.inc
View File

@@ -99,6 +99,11 @@ GPIO(USB_C1_BC12_VBUS_ON, PIN(B, 1), GPIO_OUT_LOW) /* C1 BC1.2 Power */
GPIO(USB_C1_BC12_CHG_DET_L, PIN(E, 4), GPIO_INPUT) /* C1 BC1.2 Detect */
GPIO(USB_C1_HPD_1V8_ODL, PIN(C, 6), GPIO_ODR_HIGH | /* C1 DP Hotplug Detect */
GPIO_SEL_1P8V)
/* LED */
GPIO(BAT_LED_ORANGE_L, PIN(C, 3), GPIO_OUT_HIGH) /* LED_1_L */
GPIO(BAT_LED_BLUE_L, PIN(C, 4), GPIO_OUT_HIGH) /* LED_2_L */
/* Alternate functions GPIO definitions */
/* Cr50 requires no pull-ups on UART pins. */
ALTERNATE(PIN_MASK(6, 0x30), 0, MODULE_UART, 0) /* UART from EC to Servo */

22
board/yorp/led.c Normal file
View File

@@ -0,0 +1,22 @@
/* Copyright 2018 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Power and battery LED control for Yorp
*/
#include "gpio.h"
#include "hooks.h"
static void led_init(void)
{
/*
* Temporary hack to turn on blue led to indicate that EC is up and
* running. This can be removed after adding proper LED support
* (b/74952719).
*/
gpio_set_level(GPIO_BAT_LED_BLUE_L, 0);
gpio_set_level(GPIO_BAT_LED_ORANGE_L, 1);
}
DECLARE_HOOK(HOOK_INIT, led_init, HOOK_PRIO_DEFAULT);