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tricorder: add led support

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Signed-off-by: Andreas Bießmann <andreas.biessmann@corscience.de>
This commit is contained in:
Andreas Bießmann 2013-09-06 15:04:54 +02:00 • committed by Tom Rini
parent 890880583d
commit ad9f072c2e
5 changed files with 100 additions and 6 deletions
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2
board/corscience/tricorder/Makefile
View file

@ -12,7 +12,7 @@ include $(TOPDIR)/config.mk
LIB = $(obj)lib$(BOARD).o
COBJS := tricorder.o tricorder-eeprom.o
COBJS := tricorder.o tricorder-eeprom.o led.o
SRCS := $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS))

80
board/corscience/tricorder/led.c Normal file
View file

@ -0,0 +1,80 @@
/*
* Copyright (c) 2013 Corscience GmbH & Co.KG
* Andreas Bießmann <andreas.biessmann@corscience.de>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <status_led.h>
#include <twl4030.h>
#include <asm/arch/cpu.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#define TRICORDER_STATUS_LED_YELLOW 42
#define TRICORDER_STATUS_LED_GREEN 43
void __led_init(led_id_t mask, int state)
{
__led_set(mask, state);
}
void __led_toggle(led_id_t mask)
{
int toggle_gpio = 0;
#ifdef STATUS_LED_BIT
if (!toggle_gpio && STATUS_LED_BIT & mask)
toggle_gpio = TRICORDER_STATUS_LED_GREEN;
#endif
#ifdef STATUS_LED_BIT1
if (!toggle_gpio && STATUS_LED_BIT1 & mask)
toggle_gpio = TRICORDER_STATUS_LED_YELLOW;
#endif
#ifdef STATUS_LED_BIT2
if (!toggle_gpio && STATUS_LED_BIT2 & mask) {
uint8_t val;
twl4030_i2c_read_u8(TWL4030_CHIP_LED, TWL4030_LED_LEDEN,
&val);
val ^= (TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDAPWM);
twl4030_i2c_write_u8(TWL4030_CHIP_LED, TWL4030_LED_LEDEN,
val);
}
#endif
if (toggle_gpio) {
int state;
gpio_request(toggle_gpio, "");
state = gpio_get_value(toggle_gpio);
gpio_set_value(toggle_gpio, !state);
}
}
void __led_set(led_id_t mask, int state)
{
#ifdef STATUS_LED_BIT
if (STATUS_LED_BIT & mask) {
gpio_request(TRICORDER_STATUS_LED_GREEN, "");
gpio_direction_output(TRICORDER_STATUS_LED_GREEN, 0);
gpio_set_value(TRICORDER_STATUS_LED_GREEN, state);
}
#endif
#ifdef STATUS_LED_BIT1
if (STATUS_LED_BIT1 & mask) {
gpio_request(TRICORDER_STATUS_LED_YELLOW, "");
gpio_direction_output(TRICORDER_STATUS_LED_YELLOW, 0);
gpio_set_value(TRICORDER_STATUS_LED_YELLOW, state);
}
#endif
#ifdef STATUS_LED_BIT2
if (STATUS_LED_BIT2 & mask) {
if (STATUS_LED_OFF == state)
twl4030_i2c_write_u8(TWL4030_CHIP_LED,
TWL4030_LED_LEDEN, 0);
else
twl4030_i2c_write_u8(TWL4030_CHIP_LED,
TWL4030_LED_LEDEN,
(TWL4030_LED_LEDEN_LEDAON |
TWL4030_LED_LEDEN_LEDAPWM));
}
#endif
}

6
board/corscience/tricorder/tricorder.c
View file

@ -118,9 +118,9 @@ int misc_init_r(void)
print_hwversion(&eeprom);
twl4030_power_init();
#ifdef CONFIG_TWL4030_LED
twl4030_led_init(TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDBON);
#endif
status_led_set(0, STATUS_LED_ON);
status_led_set(1, STATUS_LED_ON);
status_led_set(2, STATUS_LED_ON);
dieid_num_r();

4
board/corscience/tricorder/tricorder.h
View file

@ -75,8 +75,8 @@ const omap3_sysinfo sysinfo = {
MUX_VAL(CP(GPMC_A6), (IDIS | PTD | DIS | M0)) /*GPMC_A6*/\
MUX_VAL(CP(GPMC_A7), (IDIS | PTD | DIS | M0)) /*GPMC_A7*/\
MUX_VAL(CP(GPMC_A8), (IDIS | PTD | DIS | M0)) /*GPMC_A8*/\
MUX_VAL(CP(GPMC_A9), (IDIS | PTD | DIS | M0)) /*GPMC_A9*/\
MUX_VAL(CP(GPMC_A10), (IDIS | PTD | DIS | M0)) /*GPMC_A10*/\
MUX_VAL(CP(GPMC_A9), (IDIS | PTU | EN | M4)) /*GPIO 42*/\
MUX_VAL(CP(GPMC_A10), (IDIS | PTU | EN | M4)) /*GPIO 43*/\
MUX_VAL(CP(GPMC_D0), (IEN | PTD | DIS | M0)) /*GPMC_D0*/\
MUX_VAL(CP(GPMC_D1), (IEN | PTD | DIS | M0)) /*GPMC_D1*/\
MUX_VAL(CP(GPMC_D2), (IEN | PTD | DIS | M0)) /*GPMC_D2*/\

14
include/configs/tricorder.h
View file

@ -60,6 +60,20 @@
/* GPIO support */
#define CONFIG_OMAP_GPIO
/* LED support */
#define CONFIG_STATUS_LED
#define CONFIG_BOARD_SPECIFIC_LED
#define CONFIG_CMD_LED /* LED command */
#define STATUS_LED_BIT (1 << 0)
#define STATUS_LED_STATE STATUS_LED_ON
#define STATUS_LED_PERIOD (CONFIG_SYS_HZ / 2)
#define STATUS_LED_BIT1 (1 << 1)
#define STATUS_LED_STATE1 STATUS_LED_ON
#define STATUS_LED_PERIOD1 (CONFIG_SYS_HZ / 2)
#define STATUS_LED_BIT2 (1 << 2)
#define STATUS_LED_STATE2 STATUS_LED_ON
#define STATUS_LED_PERIOD2 (CONFIG_SYS_HZ / 2)
/* NS16550 Configuration */
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL