Merge tag 'leds-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds

Pull LED updates from Pavel Machek:
 "Nothing major is happening here"

* tag 'leds-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds:
  leds: lp55xx: initialise output direction from dts
  ARM: dts: omap3-n900: Fix lp5523 for multi color
  leds: ktd2692: Drop calling dev_of_node() in ktd2692_parse_dt
  leds: lgm-sso: Get rid of duplicate of_node assignment
  leds: tca6507: Get rid of duplicate of_node assignment
  leds: leds-fsg: Drop FSG3 LED driver
  leds: lp50xx: remove unused variable
  dt-bindings: leds: Replace moonlight with indicator in mt6360 example
  leds: led-core: Update fwnode with device_set_node
  leds: tca6507: use swap() to make code cleaner
  leds: Add mt6360 driver
  dt-bindings: leds: Add bindings for MT6360 LED

Documentation/devicetree/bindings/leds/leds-mt6360.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/leds-mt6360.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LED driver for MT6360 PMIC from MediaTek Integrated.
+
+maintainers:
+  - Gene Chen <gene_chen@richtek.com>
+
+description: |
+  This module is part of the MT6360 MFD device.
+  see Documentation/devicetree/bindings/mfd/mt6360.yaml
+  Add MT6360 LED driver include 2-channel Flash LED with torch/strobe mode,
+  and 4-channel RGB LED support Register/Flash/Breath Mode
+
+properties:
+  compatible:
+    const: mediatek,mt6360-led
+
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
+patternProperties:
+  "^(multi-)?led@[0-5]$":
+    type: object
+    $ref: common.yaml#
+    description:
+      Properties for a single LED.
+
+    properties:
+      reg:
+        description: Index of the LED.
+        enum:
+          - 0 # LED output ISINK1
+          - 1 # LED output ISINK2
+          - 2 # LED output ISINK3
+          - 3 # LED output ISINKML
+          - 4 # LED output FLASH1
+          - 5 # LED output FLASH2
+
+unevaluatedProperties: false
+
+required:
+  - compatible
+  - "#address-cells"
+  - "#size-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+   #include <dt-bindings/leds/common.h>
+   led-controller {
+     compatible = "mediatek,mt6360-led";
+     #address-cells = <1>;
+     #size-cells = <0>;
+
+     multi-led@0 {
+       reg = <0>;
+       function = LED_FUNCTION_INDICATOR;
+       color = <LED_COLOR_ID_RGB>;
+       led-max-microamp = <24000>;
+       #address-cells = <1>;
+       #size-cells = <0>;
+       led@0 {
+         reg = <0>;
+         color = <LED_COLOR_ID_RED>;
+       };
+       led@1 {
+         reg = <1>;
+         color = <LED_COLOR_ID_GREEN>;
+       };
+       led@2 {
+         reg = <2>;
+         color = <LED_COLOR_ID_BLUE>;
+       };
+     };
+     led@3 {
+       reg = <3>;
+       function = LED_FUNCTION_INDICATOR;
+       color = <LED_COLOR_ID_WHITE>;
+       led-max-microamp = <150000>;
+     };
+     led@4 {
+       reg = <4>;
+       function = LED_FUNCTION_FLASH;
+       color = <LED_COLOR_ID_WHITE>;
+       function-enumerator = <1>;
+       led-max-microamp = <200000>;
+       flash-max-microamp = <500000>;
+       flash-max-timeout-us = <1024000>;
+     };
+     led@5 {
+       reg = <5>;
+       function = LED_FUNCTION_FLASH;
+       color = <LED_COLOR_ID_WHITE>;
+       function-enumerator = <2>;
+       led-max-microamp = <200000>;
+       flash-max-microamp = <500000>;
+       flash-max-timeout-us = <1024000>;
+     };
+   };
+
+  - |
+
+   led-controller {
+     compatible = "mediatek,mt6360-led";
+     #address-cells = <1>;
+     #size-cells = <0>;
+
+     led@0 {
+       reg = <0>;
+       function = LED_FUNCTION_INDICATOR;
+       color = <LED_COLOR_ID_RED>;
+       led-max-microamp = <24000>;
+     };
+     led@1 {
+       reg = <1>;
+       function = LED_FUNCTION_INDICATOR;
+       color = <LED_COLOR_ID_GREEN>;
+       led-max-microamp = <24000>;
+     };
+     led@2 {
+       reg = <2>;
+       function = LED_FUNCTION_INDICATOR;
+       color = <LED_COLOR_ID_BLUE>;
+       led-max-microamp = <24000>;
+     };
+     led@3 {
+       reg = <3>;
+       function = LED_FUNCTION_INDICATOR;
+       color = <LED_COLOR_ID_WHITE>;
+       led-max-microamp = <150000>;
+     };
+     led@4 {
+       reg = <4>;
+       function = LED_FUNCTION_FLASH;
+       color = <LED_COLOR_ID_WHITE>;
+       function-enumerator = <1>;
+       led-max-microamp = <200000>;
+       flash-max-microamp = <500000>;
+       flash-max-timeout-us = <1024000>;
+     };
+     led@5 {
+       reg = <5>;
+       function = LED_FUNCTION_FLASH;
+       color = <LED_COLOR_ID_WHITE>;
+       function-enumerator = <2>;
+       led-max-microamp = <200000>;
+       flash-max-microamp = <500000>;
+       flash-max-timeout-us = <1024000>;
+     };
+   };
+...

arch/arm/boot/dts/omap3-n900.dts

@@ -8,6 +8,7 @@
 
 #include "omap34xx.dtsi"
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
 
 /*
  * Default secure signed bootloader (Nokia X-Loader) does not enable L3 firewall
@@ -630,63 +631,92 @@ indicator {
 	};
 
 	lp5523: lp5523@32 {
+		#address-cells = <1>;
+		#size-cells = <0>;
 		compatible = "national,lp5523";
 		reg = <0x32>;
 		clock-mode = /bits/ 8 <0>; /* LP55XX_CLOCK_AUTO */
-		enable-gpio = <&gpio2 9 GPIO_ACTIVE_HIGH>; /* 41 */
+		enable-gpios = <&gpio2 9 GPIO_ACTIVE_HIGH>; /* 41 */
 
-		chan0 {
+		led@0 {
+			reg = <0>;
 			chan-name = "lp5523:kb1";
 			led-cur = /bits/ 8 <50>;
 			max-cur = /bits/ 8 <100>;
+			color = <LED_COLOR_ID_WHITE>;
+			function = LED_FUNCTION_KBD_BACKLIGHT;
 		};
 
-		chan1 {
+		led@1 {
+			reg = <1>;
 			chan-name = "lp5523:kb2";
 			led-cur = /bits/ 8 <50>;
 			max-cur = /bits/ 8 <100>;
+			color = <LED_COLOR_ID_WHITE>;
+			function = LED_FUNCTION_KBD_BACKLIGHT;
 		};
 
-		chan2 {
+		led@2 {
+			reg = <2>;
 			chan-name = "lp5523:kb3";
 			led-cur = /bits/ 8 <50>;
 			max-cur = /bits/ 8 <100>;
+			color = <LED_COLOR_ID_WHITE>;
+			function = LED_FUNCTION_KBD_BACKLIGHT;
 		};
 
-		chan3 {
+		led@3 {
+			reg = <3>;
 			chan-name = "lp5523:kb4";
 			led-cur = /bits/ 8 <50>;
 			max-cur = /bits/ 8 <100>;
+			color = <LED_COLOR_ID_WHITE>;
+			function = LED_FUNCTION_KBD_BACKLIGHT;
 		};
 
-		chan4 {
+		led@4 {
+			reg = <4>;
 			chan-name = "lp5523:b";
 			led-cur = /bits/ 8 <50>;
 			max-cur = /bits/ 8 <100>;
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_STATUS;
 		};
 
-		chan5 {
+		led@5 {
+			reg = <5>;
 			chan-name = "lp5523:g";
 			led-cur = /bits/ 8 <50>;
 			max-cur = /bits/ 8 <100>;
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_STATUS;
 		};
 
-		chan6 {
+		led@6 {
+			reg = <6>;
 			chan-name = "lp5523:r";
 			led-cur = /bits/ 8 <50>;
 			max-cur = /bits/ 8 <100>;
+			color = <LED_COLOR_ID_RED>;
+			function = LED_FUNCTION_STATUS;
 		};
 
-		chan7 {
+		led@7 {
+			reg = <7>;
 			chan-name = "lp5523:kb5";
 			led-cur = /bits/ 8 <50>;
 			max-cur = /bits/ 8 <100>;
+			color = <LED_COLOR_ID_WHITE>;
+			function = LED_FUNCTION_KBD_BACKLIGHT;
 		};
 
-		chan8 {
+		led@8 {
+			reg = <8>;
 			chan-name = "lp5523:kb6";
 			led-cur = /bits/ 8 <50>;
 			max-cur = /bits/ 8 <100>;
+			color = <LED_COLOR_ID_WHITE>;
+			function = LED_FUNCTION_KBD_BACKLIGHT;
 		};
 	};
 

drivers/leds/Kconfig

@@ -260,13 +260,6 @@ config LEDS_NET48XX
 	  This option enables support for the Soekris net4801 and net4826 error
 	  LED.
 
-config LEDS_FSG
-	tristate "LED Support for the Freecom FSG-3"
-	depends on LEDS_CLASS
-	depends on MACH_FSG
-	help
-	  This option enables support for the LEDs on the Freecom FSG-3.
-
 config LEDS_WRAP
 	tristate "LED Support for the WRAP series LEDs"
 	depends on LEDS_CLASS

drivers/leds/Makefile

@@ -26,7 +26,6 @@ obj-$(CONFIG_LEDS_COBALT_RAQ)		+= leds-cobalt-raq.o
 obj-$(CONFIG_LEDS_CPCAP)		+= leds-cpcap.o
 obj-$(CONFIG_LEDS_DA903X)		+= leds-da903x.o
 obj-$(CONFIG_LEDS_DA9052)		+= leds-da9052.o
-obj-$(CONFIG_LEDS_FSG)			+= leds-fsg.o
 obj-$(CONFIG_LEDS_GPIO)			+= leds-gpio.o
 obj-$(CONFIG_LEDS_GPIO_REGISTER)	+= leds-gpio-register.o
 obj-$(CONFIG_LEDS_HP6XX)		+= leds-hp6xx.o

drivers/leds/blink/leds-lgm-sso.c

@@ -477,7 +477,6 @@ static int sso_gpio_gc_init(struct device *dev, struct sso_led_priv *priv)
 	gc->ngpio               = priv->gpio.pins;
 	gc->parent              = dev;
 	gc->owner               = THIS_MODULE;
-	gc->of_node             = dev->of_node;
 
 	return devm_gpiochip_add_data(dev, gc, priv);
 }

drivers/leds/flash/Kconfig

@@ -48,6 +48,19 @@ config LEDS_MAX77693
 	  multifunction device. It has build in control for two leds in flash
 	  and torch mode.
 
+config LEDS_MT6360
+	tristate "LED Support for Mediatek MT6360 PMIC"
+	depends on LEDS_CLASS && OF
+	depends on LEDS_CLASS_FLASH || !LEDS_CLASS_FLASH
+	depends on LEDS_CLASS_MULTICOLOR || !LEDS_CLASS_MULTICOLOR
+	depends on V4L2_FLASH_LED_CLASS || !V4L2_FLASH_LED_CLASS
+	depends on MFD_MT6360
+	help
+	  This option enables support for dual Flash LED drivers found on
+	  Mediatek MT6360 PMIC.
+	  Independent current sources supply for each flash LED support torch
+	  and strobe mode.
+
 config LEDS_RT4505
 	tristate "LED support for RT4505 flashlight controller"
 	depends on I2C && OF

drivers/leds/flash/Makefile

 # SPDX-License-Identifier: GPL-2.0
 
+obj-$(CONFIG_LEDS_MT6360)	+= leds-mt6360.o
 obj-$(CONFIG_LEDS_AAT1290)	+= leds-aat1290.o
 obj-$(CONFIG_LEDS_AS3645A)	+= leds-as3645a.o
 obj-$(CONFIG_LEDS_KTD2692)	+= leds-ktd2692.o

drivers/leds/flash/leds-ktd2692.c

@@ -274,7 +274,7 @@ static int ktd2692_parse_dt(struct ktd2692_context *led, struct device *dev,
 	struct device_node *child_node;
 	int ret;
 
-	if (!dev_of_node(dev))
+	if (!np)
 		return -ENXIO;
 
 	led->ctrl_gpio = devm_gpiod_get(dev, "ctrl", GPIOD_ASIS);

drivers/leds/led-class.c

@@ -375,10 +375,8 @@ int led_classdev_register_ext(struct device *parent,
 		mutex_unlock(&led_cdev->led_access);
 		return PTR_ERR(led_cdev->dev);
 	}
-	if (init_data && init_data->fwnode) {
-		led_cdev->dev->fwnode = init_data->fwnode;
-		led_cdev->dev->of_node = to_of_node(init_data->fwnode);
-	}
+	if (init_data && init_data->fwnode)
+		device_set_node(led_cdev->dev, init_data->fwnode);
 
 	if (ret)
 		dev_warn(parent, "Led %s renamed to %s due to name collision",

drivers/leds/leds-fsg.c

-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * LED Driver for the Freecom FSG-3
- *
- * Copyright (c) 2008 Rod Whitby <rod@whitby.id.au>
- *
- * Author: Rod Whitby <rod@whitby.id.au>
- *
- * Based on leds-spitz.c
- * Copyright 2005-2006 Openedhand Ltd.
- * Author: Richard Purdie <rpurdie@openedhand.com>
- */
-
-#include <linux/kernel.h>
-#include <linux/platform_device.h>
-#include <linux/leds.h>
-#include <linux/module.h>
-#include <linux/io.h>
-#include <mach/hardware.h>
-
-#define FSG_LED_WLAN_BIT	0
-#define FSG_LED_WAN_BIT		1
-#define FSG_LED_SATA_BIT	2
-#define FSG_LED_USB_BIT		4
-#define FSG_LED_RING_BIT	5
-#define FSG_LED_SYNC_BIT	7
-
-static short __iomem *latch_address;
-static unsigned short latch_value;
-
-
-static void fsg_led_wlan_set(struct led_classdev *led_cdev,
-			     enum led_brightness value)
-{
-	if (value) {
-		latch_value &= ~(1 << FSG_LED_WLAN_BIT);
-		*latch_address = latch_value;
-	} else {
-		latch_value |=  (1 << FSG_LED_WLAN_BIT);
-		*latch_address = latch_value;
-	}
-}
-
-static void fsg_led_wan_set(struct led_classdev *led_cdev,
-			    enum led_brightness value)
-{
-	if (value) {
-		latch_value &= ~(1 << FSG_LED_WAN_BIT);
-		*latch_address = latch_value;
-	} else {
-		latch_value |=  (1 << FSG_LED_WAN_BIT);
-		*latch_address = latch_value;
-	}
-}
-
-static void fsg_led_sata_set(struct led_classdev *led_cdev,
-			     enum led_brightness value)
-{
-	if (value) {
-		latch_value &= ~(1 << FSG_LED_SATA_BIT);
-		*latch_address = latch_value;
-	} else {
-		latch_value |=  (1 << FSG_LED_SATA_BIT);
-		*latch_address = latch_value;
-	}
-}
-
-static void fsg_led_usb_set(struct led_classdev *led_cdev,
-			    enum led_brightness value)
-{
-	if (value) {
-		latch_value &= ~(1 << FSG_LED_USB_BIT);
-		*latch_address = latch_value;
-	} else {
-		latch_value |=  (1 << FSG_LED_USB_BIT);
-		*latch_address = latch_value;
-	}
-}
-
-static void fsg_led_sync_set(struct led_classdev *led_cdev,
-			     enum led_brightness value)
-{
-	if (value) {
-		latch_value &= ~(1 << FSG_LED_SYNC_BIT);
-		*latch_address = latch_value;
-	} else {
-		latch_value |=  (1 << FSG_LED_SYNC_BIT);
-		*latch_address = latch_value;
-	}
-}
-
-static void fsg_led_ring_set(struct led_classdev *led_cdev,
-			     enum led_brightness value)
-{
-	if (value) {
-		latch_value &= ~(1 << FSG_LED_RING_BIT);
-		*latch_address = latch_value;
-	} else {
-		latch_value |=  (1 << FSG_LED_RING_BIT);
-		*latch_address = latch_value;
-	}
-}
-
-
-static struct led_classdev fsg_wlan_led = {
-	.name			= "fsg:blue:wlan",
-	.brightness_set		= fsg_led_wlan_set,
-	.flags			= LED_CORE_SUSPENDRESUME,
-};
-
-static struct led_classdev fsg_wan_led = {
-	.name			= "fsg:blue:wan",
-	.brightness_set		= fsg_led_wan_set,
-	.flags			= LED_CORE_SUSPENDRESUME,
-};
-
-static struct led_classdev fsg_sata_led = {
-	.name			= "fsg:blue:sata",
-	.brightness_set		= fsg_led_sata_set,
-	.flags			= LED_CORE_SUSPENDRESUME,
-};
-
-static struct led_classdev fsg_usb_led = {
-	.name			= "fsg:blue:usb",
-	.brightness_set		= fsg_led_usb_set,
-	.flags			= LED_CORE_SUSPENDRESUME,
-};
-
-static struct led_classdev fsg_sync_led = {
-	.name			= "fsg:blue:sync",
-	.brightness_set		= fsg_led_sync_set,
-	.flags			= LED_CORE_SUSPENDRESUME,
-};
-
-static struct led_classdev fsg_ring_led = {
-	.name			= "fsg:blue:ring",
-	.brightness_set		= fsg_led_ring_set,
-	.flags			= LED_CORE_SUSPENDRESUME,
-};
-
-
-static int fsg_led_probe(struct platform_device *pdev)
-{
-	int ret;
-
-	/* Map the LED chip select address space */
-	latch_address = (unsigned short *) devm_ioremap(&pdev->dev,
-						IXP4XX_EXP_BUS_BASE(2), 512);
-	if (!latch_address)
-		return -ENOMEM;
-
-	latch_value = 0xffff;
-	*latch_address = latch_value;
-
-	ret = devm_led_classdev_register(&pdev->dev, &fsg_wlan_led);
-	if (ret < 0)
-		return ret;
-
-	ret = devm_led_classdev_register(&pdev->dev, &fsg_wan_led);
-	if (ret < 0)
-		return ret;
-
-	ret = devm_led_classdev_register(&pdev->dev, &fsg_sata_led);
-	if (ret < 0)
-		return ret;
-
-	ret = devm_led_classdev_register(&pdev->dev, &fsg_usb_led);
-	if (ret < 0)
-		return ret;
-
-	ret = devm_led_classdev_register(&pdev->dev, &fsg_sync_led);
-	if (ret < 0)
-		return ret;
-
-	ret = devm_led_classdev_register(&pdev->dev, &fsg_ring_led);
-	if (ret < 0)
-		return ret;
-
-	return ret;
-}
-
-static struct platform_driver fsg_led_driver = {
-	.probe		= fsg_led_probe,
-	.driver		= {
-		.name		= "fsg-led",
-	},
-};
-
-module_platform_driver(fsg_led_driver);
-
-MODULE_AUTHOR("Rod Whitby <rod@whitby.id.au>");
-MODULE_DESCRIPTION("Freecom FSG-3 LED driver");
-MODULE_LICENSE("GPL");

drivers/leds/leds-lp50xx.c

@@ -266,7 +266,6 @@ struct lp50xx_led {
 	struct led_classdev_mc mc_cdev;
 	struct lp50xx *priv;
 	unsigned long bank_modules;
-	int led_intensity[LP50XX_LEDS_PER_MODULE];
 	u8 ctrl_bank_enabled;
 	int led_number;
 };

drivers/leds/leds-lp55xx-common.c

@@ -439,6 +439,8 @@ int lp55xx_init_device(struct lp55xx_chip *chip)
 		return -EINVAL;
 
 	if (pdata->enable_gpiod) {
+		gpiod_direction_output(pdata->enable_gpiod, 0);
+
 		gpiod_set_consumer_name(pdata->enable_gpiod, "LP55xx enable");
 		gpiod_set_value(pdata->enable_gpiod, 0);
 		usleep_range(1000, 2000); /* Keep enable down at least 1ms */
@@ -694,7 +696,7 @@ struct lp55xx_platform_data *lp55xx_of_populate_pdata(struct device *dev,
 	of_property_read_u8(np, "clock-mode", &pdata->clock_mode);
 
 	pdata->enable_gpiod = devm_gpiod_get_optional(dev, "enable",
-						      GPIOD_OUT_LOW);
+						      GPIOD_ASIS);
 	if (IS_ERR(pdata->enable_gpiod))
 		return ERR_CAST(pdata->enable_gpiod);
 

drivers/leds/leds-tca6507.c

@@ -242,9 +242,7 @@ static int choose_times(int msec, int *c1p, int *c2p)
 	if (diff < 65536) {
 		int actual;
 		if (msec & 1) {
-			c1 = *c2p;
-			*c2p = *c1p;
-			*c1p = c1;
+			swap(*c2p, *c1p);
 		}
 		actual = time_codes[*c1p] + time_codes[*c2p];
 		if (*c1p < *c2p)
@@ -643,9 +641,6 @@ static int tca6507_probe_gpios(struct device *dev,
 	tca->gpio.direction_output = tca6507_gpio_direction_output;
 	tca->gpio.set = tca6507_gpio_set_value;
 	tca->gpio.parent = dev;
-#ifdef CONFIG_OF_GPIO
-	tca->gpio.of_node = of_node_get(dev_of_node(dev));
-#endif
 	err = gpiochip_add_data(&tca->gpio, tca);
 	if (err) {
 		tca->gpio.ngpio = 0;