[WeTek_Play] - add led driver for the blue powerled

This commit is contained in:
Memphiz 2015-01-18 16:01:42 +01:00
parent 3906e40684
commit 81f6db5465
3 changed files with 156 additions and 6 deletions

View File

@ -2957,18 +2957,19 @@ CONFIG_LEDS_CLASS=y
# CONFIG_LEDS_LM355x is not set
# CONFIG_LEDS_OT200 is not set
# CONFIG_LEDS_BLINKM is not set
CONFIG_LEDS_WETEKPLAY=y
#
# LED Triggers
#
CONFIG_LEDS_TRIGGERS=y
# CONFIG_LEDS_TRIGGER_TIMER is not set
# CONFIG_LEDS_TRIGGER_ONESHOT is not set
# CONFIG_LEDS_TRIGGER_HEARTBEAT is not set
CONFIG_LEDS_TRIGGER_TIMER=y
CONFIG_LEDS_TRIGGER_ONESHOT=y
CONFIG_LEDS_TRIGGER_HEARTBEAT=y
# CONFIG_LEDS_TRIGGER_BACKLIGHT is not set
# CONFIG_LEDS_TRIGGER_CPU is not set
# CONFIG_LEDS_TRIGGER_GPIO is not set
# CONFIG_LEDS_TRIGGER_DEFAULT_ON is not set
CONFIG_LEDS_TRIGGER_CPU=y
CONFIG_LEDS_TRIGGER_GPIO=y
CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
#
# iptables trigger is under Netfilter config (LED target)

View File

@ -0,0 +1,136 @@
--- a/drivers/leds/Makefile.orig 2015-01-18 14:29:58.091729932 +0100
+++ b/drivers/leds/Makefile 2015-01-18 13:59:03.465220281 +0100
@@ -53,6 +53,7 @@
obj-$(CONFIG_LEDS_MAX8997) += leds-max8997.o
obj-$(CONFIG_LEDS_LM355x) += leds-lm355x.o
obj-$(CONFIG_LEDS_BLINKM) += leds-blinkm.o
+obj-$(CONFIG_LEDS_WETEKPLAY) += leds-wetekplay.o
# LED SPI Drivers
--- a/drivers/leds/Kconfig.orig 2015-01-18 14:30:02.727729748 +0100
+++ b/drivers/leds/Kconfig 2015-01-18 14:00:07.433217741 +0100
@@ -479,6 +479,13 @@
This option enables support for the BlinkM RGB LED connected
through I2C. Say Y to enable support for the BlinkM LED.
+config LEDS_WETEKPLAY
+ tristate "LED support for the WeTek.Play status LED"
+ depends on LEDS_CLASS
+ help
+ This option enables support for controlling the status LED
+ of the WeTek.Play box. ON means BLUE, OFF means RED.
+
comment "LED Triggers"
source "drivers/leds/trigger/Kconfig"
--- /dev/null 2015-01-18 13:52:01.718570970 +0100
+++ b/drivers/leds/leds-wetekplay.c 2015-01-18 16:00:12.791515784 +0100
@@ -0,0 +1,107 @@
+/*
+ * LEDs driver for the "User LED" on WeTek.Play
+ *
+ * Copyright (C) 2015 Memphiz <memphiz@kodi.tv>
+ *
+ * Based on leds.rb532
+ */
+
+#include <linux/leds.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <mach/am_regs.h>
+#include <plat/regops.h>
+
+static void wetekplay_led_set(struct led_classdev *cdev,
+ enum led_brightness brightness)
+{
+
+ if (brightness) {
+ //printk(KERN_INFO "%s() LED BLUE\n", __FUNCTION__);
+ aml_set_reg32_bits(SECBUS2_REG_ADDR(0), 1, 0, 1); // set TEST_n output mode
+ aml_set_reg32_bits(AOBUS_REG_ADDR(0x24), 1, 31, 1); // set TEST_n pin H
+ }
+ else {
+ //printk(KERN_INFO "%s() LED RED\n", __FUNCTION__);
+ aml_set_reg32_bits(SECBUS2_REG_ADDR(0), 1, 0, 1); // set TEST_n output mode
+ aml_set_reg32_bits(AOBUS_REG_ADDR(0x24), 0, 31, 1); // set TEST_n pin L
+ }
+}
+
+static enum led_brightness wetekplay_led_get(struct led_classdev *cdev)
+{
+ if (aml_get_reg32_bits(AOBUS_REG_ADDR(0x24), 31, 1))
+ return 255;
+ else
+ return 0;
+}
+
+static struct led_classdev wetekplay_powerled = {
+ .name = "wetek:blue:powerled",
+ .brightness_set = wetekplay_led_set,
+ .brightness_get = wetekplay_led_get,
+ .default_trigger = "default-on",
+};
+
+static int wetekplay_led_probe(struct platform_device *pdev)
+{
+ return led_classdev_register(&pdev->dev, &wetekplay_powerled);
+}
+
+static int wetekplay_led_remove(struct platform_device *pdev)
+{
+ led_classdev_unregister(&wetekplay_powerled);
+ return 0;
+}
+
+#ifdef CONFIG_USE_OF
+static const struct of_device_id amlogic_wetekplayled_dt_match[]={
+ { .compatible = "amlogic,wetekplay-led",
+ },
+ {},
+};
+#else
+#define amlogic_wetekplayled_dt_match, NULL
+#endif
+
+
+static struct platform_driver wetekplay_led_driver = {
+ .probe = wetekplay_led_probe,
+ .remove = wetekplay_led_remove,
+ .driver = {
+ .name = "wetekplay-led",
+ .of_match_table = amlogic_wetekplayled_dt_match,
+ },
+};
+
+static int __init
+wetekplay_led_init_module(void)
+{
+ int err;
+
+ printk("wetekplay_led_init_module\n");
+ if ((err = platform_driver_register(&wetekplay_led_driver))) {
+ return err;
+ }
+
+ return err;
+
+}
+
+static void __exit
+wetekplay_led_remove_module(void)
+{
+ platform_driver_unregister(&wetekplay_led_driver);
+ printk("wetekplay-led module removed.\n");
+}
+
+
+//module_platform_driver(wetekplay_led_driver);
+module_init(wetekplay_led_init_module);
+module_exit(wetekplay_led_remove_module);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Power LED support for WeTek.Play");
+MODULE_AUTHOR("Memphiz <memphiz@kodi.tv>");
+MODULE_ALIAS("platform:wetekplay-led");

View File

@ -2713,3 +2713,16 @@ diff -Naur a/arch/arm/boot/dts/amlogic/meson6_g18.dtd b/arch/arm/boot/dts/amlogi
+
}; /* end of / */
--- a/arch/arm/boot/dts/amlogic/meson6_g18.dtd.orig 2015-01-18 14:59:49.171659096 +0100
+++ b/arch/arm/boot/dts/amlogic/meson6_g18.dtd 2015-01-18 14:59:59.147658701 +0100
@@ -1428,5 +1428,10 @@
reserve-iomap = "true";
};
+ powerled{
+ compatible = "amlogic,wetekplay-led";
+ label = "wetek:blue:powerled";
+ };
+
}; /* end of / */