@@ -775,6 +775,10 @@ config LEDS_NIC78BX
To compile this driver as a module, choose M here: the module
will be called leds-nic78bx.
+config LEDS_RGB_TEST
+ tristate "RGB Class Test file"
+ depends on LEDS_CLASS_RGB
+
comment "LED Triggers"
source "drivers/leds/trigger/Kconfig"
@@ -80,6 +80,7 @@ obj-$(CONFIG_LEDS_MT6323) += leds-mt6323.o
obj-$(CONFIG_LEDS_LM3692X) += leds-lm3692x.o
obj-$(CONFIG_LEDS_SC27XX_BLTC) += leds-sc27xx-bltc.o
obj-$(CONFIG_LEDS_LM3601X) += leds-lm3601x.o
+obj-$(CONFIG_LEDS_RGB_TEST) += leds-rgb-fw-test.o
# LED SPI Drivers
obj-$(CONFIG_LEDS_CR0014114) += leds-cr0014114.o
new file mode 100644
@@ -0,0 +1,177 @@
+// SPDX-License-Identifier: GPL-2.0
+// LED RGB class interface
+// Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/leds.h>
+#include <linux/led-class-rgb.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/slab.h>
+#include <uapi/linux/uleds.h>
+
+struct rgb_fw_test_led {
+ struct led_classdev_rgb rgbled_cdev;
+ struct i2c_client *client;
+
+ u32 white_setting[3];
+
+ u32 led_strings[3];
+
+ char led_name[LED_MAX_NAME_SIZE];
+ u8 available_rgbs;
+};
+
+static struct rgb_fw_test_led *rgbled_cdev_to_led(struct led_classdev_rgb *rgbled_cdev)
+{
+ return container_of(rgbled_cdev, struct rgb_fw_test_led, rgbled_cdev);
+}
+
+static int rgb_fw_set_red(struct led_classdev_rgb *rgbled_cdev,
+ enum led_brightness brightness)
+{
+ printk("%s: Brightness is 0x%X\n", __func__, brightness);
+ return 0;
+}
+
+static int rgb_fw_set_green(struct led_classdev_rgb *rgbled_cdev,
+ enum led_brightness brightness)
+{
+
+ printk("%s: Brightness is 0x%X\n", __func__, brightness);
+ return 0;
+}
+
+static int rgb_fw_set_blue(struct led_classdev_rgb *rgbled_cdev,
+ enum led_brightness brightness)
+{
+
+ printk("%s: Brightness is 0x%X\n", __func__, brightness);
+ return 0;
+}
+
+static int rgb_fw_set_color(struct led_classdev_rgb *rgbled_cdev)
+{
+// struct rgb_fw_test_led *led = rgbled_cdev_to_led(rgbled_cdev);
+ struct led_rgb_colors *colors = &rgbled_cdev->rgb_colors;
+
+ printk("%s: Would set red to %d\n", __func__, colors->red);
+ printk("%s: Would set green to %d\n", __func__, colors->green);
+ printk("%s: Would set blue to %d\n", __func__, colors->blue);
+
+ return 0;
+}
+
+static struct led_rgb_ops rgb_test_ops = {
+ .set_color = rgb_fw_set_color,
+/* Need to do get functions */
+// .get_color = rgb_fw_get_color,
+};
+static int rgb_fw_test_brightness_set(struct led_classdev *cdev,
+ enum led_brightness brightness)
+{
+
+ printk("%s: Brightness is 0x%X\n", __func__, brightness);
+ return 0;
+}
+
+static int rgb_fw_test_register_leds(struct rgb_fw_test_led *led)
+{
+ struct led_classdev *led_cdev;
+
+ led->rgbled_cdev.ops = &rgb_test_ops;
+
+ if (led->led_strings[0] != 0xff)
+ led->rgbled_cdev.ops->set_red_brightness = rgb_fw_set_red;
+ if (led->led_strings[1] != 0xff)
+ led->rgbled_cdev.ops->set_green_brightness = rgb_fw_set_green;
+ if (led->led_strings[2] != 0xff)
+ led->rgbled_cdev.ops->set_blue_brightness = rgb_fw_set_blue;
+
+ led_cdev = &led->rgbled_cdev.led_cdev;
+ led_cdev->brightness_set_blocking = rgb_fw_test_brightness_set;
+ led_cdev->name = led->led_name;
+
+ return led_classdev_rgb_register(&led->client->dev, &led->rgbled_cdev);
+}
+
+static int rgb_fw_test_probe_node(struct rgb_fw_test_led *led)
+{
+
+ struct fwnode_handle *child = NULL;
+ const char *name;
+ int ret;
+
+/* Need to set this up for multiple nodes this is not working since we reuse
+the same led node. Need to fix that to continue */
+ device_for_each_child_node(&led->client->dev, child) {
+ ret = fwnode_property_read_string(child, "label", &name);
+
+ snprintf(led->led_name, sizeof(led->led_name),
+ "%s:%s", led->client->name, name);
+
+ ret = fwnode_property_read_u32_array(child, "rgb-sources",
+ NULL, 0);
+ ret = fwnode_property_read_u32_array(child, "rgb-sources",
+ led->led_strings, ret);
+
+ ret = rgb_fw_test_register_leds(led);
+ }
+ return 0;
+}
+
+static int rgb_fw_test_probe(struct i2c_client *client)
+{
+ struct rgb_fw_test_led *led;
+ int ret;
+
+ led = devm_kzalloc(&client->dev, sizeof(*led), GFP_KERNEL);
+ if (!led)
+ return -ENOMEM;
+
+ led->client = client;
+ i2c_set_clientdata(client, led);
+
+ ret = rgb_fw_test_probe_node(led);
+ if (ret)
+ return -ENODEV;
+
+ return ret;
+}
+
+static int rgb_fw_test_remove(struct i2c_client *client)
+{
+ struct rgb_fw_test_led *led = i2c_get_clientdata(client);
+
+ led_classdev_rgb_unregister(&led->rgbled_cdev);
+
+ return 0;
+}
+
+static const struct i2c_device_id rgb_fw_test_id[] = {
+ { "RGBNONE", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, lm3601x_id);
+
+static const struct of_device_id of_rgb_fw_test_leds_match[] = {
+ { .compatible = "rgb,framework_test", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, of_rgb_fw_test_leds_match);
+
+static struct i2c_driver rgb_fw_test_i2c_driver = {
+ .driver = {
+ .name = "rgb_framework_test",
+ .of_match_table = of_rgb_fw_test_leds_match,
+ },
+ .probe_new = rgb_fw_test_probe,
+ .remove = rgb_fw_test_remove,
+ .id_table = rgb_fw_test_id,
+};
+module_i2c_driver(rgb_fw_test_i2c_driver);
+
+MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");
+MODULE_DESCRIPTION("RGB LED class interface");
+MODULE_LICENSE("GPL v2");
Signed-off-by: Dan Murphy <dmurphy@ti.com> --- drivers/leds/Kconfig | 4 + drivers/leds/Makefile | 1 + drivers/leds/leds-rgb-fw-test.c | 177 ++++++++++++++++++++++++++++++++ 3 files changed, 182 insertions(+) create mode 100644 drivers/leds/leds-rgb-fw-test.c -- 2.20.1.98.gecbdaf0899