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/* Copyright (c) 2013 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.
*/
/* Kirby board-specific configuration */
#include "adc.h"
#include "adc_chip.h"
#include "common.h"
#include "chipset.h"
#include "extpower.h"
#include "gpio.h"
#include "hooks.h"
#include "i2c.h"
#include "keyboard_raw.h"
#include "lid_switch.h"
#include "pwm.h"
#include "pwm_chip.h"
#include "registers.h"
#include "spi.h"
#include "task.h"
#include "util.h"
#define GPIO_KB_INPUT (GPIO_INPUT | GPIO_PULL_UP | GPIO_INT_BOTH)
#define GPIO_KB_OUTPUT GPIO_ODR_HIGH
/* GPIO signal list. Must match order from enum gpio_signal. */
const struct gpio_info gpio_list[] = {
/* Inputs with interrupt handlers are first for efficiency */
{"KB_PWR_ON_L", GPIO_A, (1<<0), GPIO_INT_BOTH, power_interrupt},
{"XPSHOLD", GPIO_E, (1<<5), GPIO_INT_RISING, power_interrupt},
{"CHARGER_INT_L", GPIO_E, (1<<2), GPIO_INT_FALLING,
NULL /*pmu_irq_handler*/},
{"USB_CHG_INT", GPIO_E, (1<<15), GPIO_INT_FALLING,
extpower_interrupt},
{"USBPD_INT_L", GPIO_E, (1<<1), GPIO_INT_FALLING,
NULL /*extpower_interrupt*/},
{"LID_OPEN", GPIO_E, (1<<6), GPIO_INT_BOTH, lid_interrupt},
{"SUSPEND_L", GPIO_E, (1<<3), GPIO_INT_BOTH, power_interrupt},
{"SPI1_NSS", GPIO_A, (1<<4), GPIO_INT_BOTH | GPIO_PULL_UP,
spi_event},
{"AC_PRESENT_L", GPIO_A, (1<<1), GPIO_INT_BOTH, extpower_interrupt},
{"KB_IN00", GPIO_E, (1<<7), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN01", GPIO_E, (1<<8), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN02", GPIO_E, (1<<9), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN03", GPIO_E, (1<<10), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN04", GPIO_E, (1<<11), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN05", GPIO_E, (1<<12), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN06", GPIO_E, (1<<13), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
{"KB_IN07", GPIO_E, (1<<14), GPIO_KB_INPUT,
keyboard_raw_gpio_interrupt},
/* Other inputs */
{"WP_L", GPIO_B, (1<<3), GPIO_INPUT, NULL},
/* Outputs */
{"CHARGER_EN_L", GPIO_B, (1<<8), GPIO_OUT_HIGH, NULL},
{"EC_INT", GPIO_C, (1<<9), GPIO_ODR_HIGH, NULL},
{"EC_INT2", GPIO_B, (1<<4), GPIO_ODR_HIGH, NULL},
{"ID_MUX", GPIO_B, (1<<11), GPIO_ODR_LOW, NULL},
{"BCHGR_OTG", GPIO_B, (1<<12), GPIO_OUT_LOW, NULL},
{"BCHGR_PSEL", GPIO_B, (1<<14), GPIO_OUT_LOW, NULL},
{"EN_PP3300", GPIO_C, (1<<11), GPIO_OUT_LOW, NULL},
{"ENTERING_RW", GPIO_B, (1<<15), GPIO_OUT_LOW, NULL},
{"BST_LED_EN", GPIO_C, (1<<10), GPIO_OUT_LOW, NULL},
{"I2C1_SCL", GPIO_B, (1<<6), GPIO_ODR_HIGH, NULL},
{"I2C1_SDA", GPIO_B, (1<<7), GPIO_ODR_HIGH, NULL},
{"CHG_LED_Y", GPIO_C, (1<<6), GPIO_OUT_HIGH, NULL},
{"CHG_LED_G", GPIO_C, (1<<7), GPIO_OUT_HIGH, NULL},
{"CHG_LED_R", GPIO_C, (1<<8), GPIO_OUT_HIGH, NULL},
{"PMIC_PWRON", GPIO_C, (1<<12), GPIO_OUT_LOW, NULL},
{"KB_OUT00", GPIO_D, (1<<0), GPIO_KB_OUTPUT, NULL},
{"KB_OUT01", GPIO_D, (1<<1), GPIO_KB_OUTPUT, NULL},
{"KB_OUT02", GPIO_D, (1<<2), GPIO_KB_OUTPUT, NULL},
{"KB_OUT03", GPIO_D, (1<<3), GPIO_KB_OUTPUT, NULL},
{"KB_OUT04", GPIO_D, (1<<4), GPIO_KB_OUTPUT, NULL},
{"KB_OUT05", GPIO_D, (1<<5), GPIO_KB_OUTPUT, NULL},
{"KB_OUT06", GPIO_D, (1<<6), GPIO_KB_OUTPUT, NULL},
{"KB_OUT07", GPIO_D, (1<<7), GPIO_KB_OUTPUT, NULL},
{"KB_OUT08", GPIO_D, (1<<8), GPIO_KB_OUTPUT, NULL},
{"KB_OUT09", GPIO_D, (1<<9), GPIO_KB_OUTPUT, NULL},
{"KB_OUT10", GPIO_D, (1<<10), GPIO_KB_OUTPUT, NULL},
{"KB_OUT11", GPIO_D, (1<<11), GPIO_KB_OUTPUT, NULL},
{"KB_OUT12", GPIO_D, (1<<12), GPIO_KB_OUTPUT, NULL},
/*
* TODO(crosbug.com/p/23802): These pins are never used for I2C on
* Kirby, but the I2C code won't currently compile unless they're
* defined.
*/
GPIO_SIGNAL_NOT_IMPLEMENTED("I2C2_SCL"),
GPIO_SIGNAL_NOT_IMPLEMENTED("I2C2_SDA"),
};
BUILD_ASSERT(ARRAY_SIZE(gpio_list) == GPIO_COUNT);
/* Pins with alternate functions */
const struct gpio_alt_func gpio_alt_funcs[] = {
{GPIO_C, 0x01c0, GPIO_ALT_TIM3_4, MODULE_LED_KIRBY},
{GPIO_A, 0x00f0, GPIO_ALT_SPI, MODULE_SPI},
{GPIO_A, 0x0600, GPIO_ALT_USART, MODULE_UART},
{GPIO_B, 0x00c0, GPIO_ALT_I2C, MODULE_I2C},
};
const int gpio_alt_funcs_count = ARRAY_SIZE(gpio_alt_funcs);
/* PWM channels. Must be in the exactly same order as in enum pwm_channel. */
const struct pwm_t pwm_channels[] = {
{STM32_TIM(3), STM32_TIM_CH(1), PWM_CONFIG_ACTIVE_LOW,
GPIO_CHG_LED_Y},
{STM32_TIM(3), STM32_TIM_CH(2), PWM_CONFIG_ACTIVE_LOW,
GPIO_CHG_LED_G},
{STM32_TIM(3), STM32_TIM_CH(3), PWM_CONFIG_ACTIVE_LOW,
GPIO_CHG_LED_R},
};
BUILD_ASSERT(ARRAY_SIZE(pwm_channels) == PWM_CH_COUNT);
/* ADC channels */
const struct adc_t adc_channels[] = {
/*
* VBUS voltage sense pin.
* Sense pin 1.8V is converted to 4096. Accounting for the 3x
* voltage divider, the conversion factor is 5400mV/4096.
*/
[ADC_CH_USB_VBUS_SNS] = {"USB_VBUS_SNS", 5400, 4096, 0, STM32_AIN(12)},
/*
* Micro USB D+ sense pin. Voltage divider = 2/3.
* Converted to mV (2700mV/4096).
*/
[ADC_CH_USB_DP_SNS] = {"USB_DP_SNS", 2700, 4096, 0, STM32_AIN(10)},
/* Micro USB D- sense pin. Same scale as for D+. */
[ADC_CH_USB_DN_SNS] = {"USB_DN_SNS", 2700, 4096, 0, STM32_AIN(11)},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
/* I2C ports */
const struct i2c_port_t i2c_ports[] = {
{"master", I2C_PORT_MASTER, 100},
};
const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
static void board_update_backlight(void)
{
gpio_set_level(GPIO_BST_LED_EN, chipset_in_state(CHIPSET_STATE_ON) ||
gpio_get_level(GPIO_LID_OPEN));
}
DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_update_backlight, HOOK_PRIO_DEFAULT);
DECLARE_HOOK(HOOK_CHIPSET_RESUME, board_update_backlight, HOOK_PRIO_DEFAULT);
DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, board_update_backlight, HOOK_PRIO_DEFAULT);
DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_update_backlight, HOOK_PRIO_DEFAULT);
DECLARE_HOOK(HOOK_LID_CHANGE, board_update_backlight, HOOK_PRIO_DEFAULT);
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