1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2013 Corscience GmbH & Co.KG
4 * Andreas Bießmann <andreas.biessmann@corscience.de>
7 #include <status_led.h>
9 #include <asm/arch/cpu.h>
11 #include <asm/arch/sys_proto.h>
14 #define TRICORDER_STATUS_LED_YELLOW 42
15 #define TRICORDER_STATUS_LED_GREEN 43
17 void __led_init(led_id_t mask, int state)
19 __led_set(mask, state);
22 void __led_toggle(led_id_t mask)
25 #ifdef CONFIG_LED_STATUS0
26 if (!toggle_gpio && CONFIG_LED_STATUS_BIT & mask)
27 toggle_gpio = TRICORDER_STATUS_LED_GREEN;
29 #ifdef CONFIG_LED_STATUS1
30 if (!toggle_gpio && CONFIG_LED_STATUS_BIT1 & mask)
31 toggle_gpio = TRICORDER_STATUS_LED_YELLOW;
33 #ifdef CONFIG_LED_STATUS2
34 if (!toggle_gpio && CONFIG_LED_STATUS_BIT2 & mask) {
36 twl4030_i2c_read_u8(TWL4030_CHIP_LED, TWL4030_LED_LEDEN,
38 val ^= (TWL4030_LED_LEDEN_LEDAON | TWL4030_LED_LEDEN_LEDAPWM);
39 twl4030_i2c_write_u8(TWL4030_CHIP_LED, TWL4030_LED_LEDEN,
45 gpio_request(toggle_gpio, "");
46 state = gpio_get_value(toggle_gpio);
47 gpio_set_value(toggle_gpio, !state);
51 void __led_set(led_id_t mask, int state)
53 #ifdef CONFIG_LED_STATUS0
54 if (CONFIG_LED_STATUS_BIT & mask) {
55 gpio_request(TRICORDER_STATUS_LED_GREEN, "");
56 gpio_direction_output(TRICORDER_STATUS_LED_GREEN, 0);
57 gpio_set_value(TRICORDER_STATUS_LED_GREEN, state);
60 #ifdef CONFIG_LED_STATUS1
61 if (CONFIG_LED_STATUS_BIT1 & mask) {
62 gpio_request(TRICORDER_STATUS_LED_YELLOW, "");
63 gpio_direction_output(TRICORDER_STATUS_LED_YELLOW, 0);
64 gpio_set_value(TRICORDER_STATUS_LED_YELLOW, state);
67 #ifdef CONFIG_LED_STATUS2
68 if (CONFIG_LED_STATUS_BIT2 & mask) {
69 if (CONFIG_LED_STATUS_OFF == state)
70 twl4030_i2c_write_u8(TWL4030_CHIP_LED,
71 TWL4030_LED_LEDEN, 0);
73 twl4030_i2c_write_u8(TWL4030_CHIP_LED,
75 (TWL4030_LED_LEDEN_LEDAON |
76 TWL4030_LED_LEDEN_LEDAPWM));