From 55680f70d2a1e61c193fc78ff1d51c7437803683 Mon Sep 17 00:00:00 2001 From: Dtrain Hsu Date: Thu, 10 Feb 2022 10:33:08 +0800 Subject: kinox: Initial EC image Create the initial EC image for the kinox variant by copying the brask reference board EC files into a new directory named for the variant. (Auto-Generated by create_initial_ec_image.sh version 1.5.0). BUG=b:215049181 BRANCH=None TEST=make BOARD=kinox Signed-off-by: Dtrain Hsu Change-Id: I604216664a0efc690ba9cd2c0c071a0e4650b228 Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3448054 Reviewed-by: Zhuohao Lee Commit-Queue: Zhuohao Lee --- board/kinox/pwm.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 board/kinox/pwm.c (limited to 'board/kinox/pwm.c') diff --git a/board/kinox/pwm.c b/board/kinox/pwm.c new file mode 100644 index 0000000000..125d507a82 --- /dev/null +++ b/board/kinox/pwm.c @@ -0,0 +1,45 @@ +/* Copyright 2022 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. + */ + +#include "common.h" + +#include "compile_time_macros.h" +#include "hooks.h" +#include "pwm.h" +#include "pwm_chip.h" + +const struct pwm_t pwm_channels[] = { + [PWM_CH_LED_GREEN] = { + .channel = 0, + .flags = PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP, + .freq = 2000 + }, + [PWM_CH_FAN] = { + .channel = 5, + .flags = PWM_CONFIG_OPEN_DRAIN | PWM_CONFIG_DSLEEP, + .freq = 1000 + }, + [PWM_CH_LED_RED] = { + .channel = 2, + .flags = PWM_CONFIG_ACTIVE_LOW | PWM_CONFIG_DSLEEP, + .freq = 2000 + }, +}; +BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT); + +static void board_pwm_init(void) +{ + /* + * TODO(b/197478860): Turn on the fan at 100% by default + * We need to find tune the fan speed according to the + * thermal sensor value. + */ + pwm_enable(PWM_CH_FAN, 1); + pwm_set_duty(PWM_CH_FAN, 100); + + pwm_enable(PWM_CH_LED_RED, 1); + pwm_enable(PWM_CH_LED_GREEN, 1); +} +DECLARE_HOOK(HOOK_INIT, board_pwm_init, HOOK_PRIO_DEFAULT); -- cgit v1.2.1