diff --git a/target/linux/generic/backport-5.4/900-v5.9-0001-dt-bindings-Add-multicolor-class-dt-bindings-documen.patch b/target/linux/generic/backport-5.4/900-v5.9-0001-dt-bindings-Add-multicolor-class-dt-bindings-documen.patch new file mode 100644 index 0000000000..acc32b69fb --- /dev/null +++ b/target/linux/generic/backport-5.4/900-v5.9-0001-dt-bindings-Add-multicolor-class-dt-bindings-documen.patch @@ -0,0 +1,76 @@ +From 5c7f8ffe741daae7f8d811a2037b2693f02c90c5 Mon Sep 17 00:00:00 2001 +From: Dan Murphy +Date: Mon, 13 Jul 2020 10:45:31 -0500 +Subject: [PATCH] dt: bindings: Add multicolor class dt bindings documention +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Add DT bindings for the LEDs multicolor class framework. +Add multicolor ID to the color ID list for device tree bindings. + +CC: Rob Herring +Reviewed-by: Rob Herring +Acked-by: Pavel Machek +Acked-by: Jacek Anaszewski +Signed-off-by: Dan Murphy +Reviewed-by: Marek Behún +Signed-off-by: Pavel Machek +--- + .../bindings/leds/leds-class-multicolor.yaml | 37 +++++++++++++++++++ + include/dt-bindings/leds/common.h | 3 +- + 2 files changed, 39 insertions(+), 1 deletion(-) + create mode 100644 Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml + +--- /dev/null ++++ b/Documentation/devicetree/bindings/leds/leds-class-multicolor.yaml +@@ -0,0 +1,37 @@ ++# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) ++%YAML 1.2 ++--- ++$id: http://devicetree.org/schemas/leds/leds-class-multicolor.yaml# ++$schema: http://devicetree.org/meta-schemas/core.yaml# ++ ++title: Common properties for the multicolor LED class. ++ ++maintainers: ++ - Dan Murphy ++ ++description: | ++ Bindings for multi color LEDs show how to describe current outputs of ++ either integrated multi-color LED elements (like RGB, RGBW, RGBWA-UV ++ etc.) or standalone LEDs, to achieve logically grouped multi-color LED ++ modules. This is achieved by adding multi-led nodes layer to the ++ monochrome LED bindings. ++ The nodes and properties defined in this document are unique to the multicolor ++ LED class. Common LED nodes and properties are inherited from the common.txt ++ within this documentation directory. ++ ++patternProperties: ++ "^multi-led@([0-9a-f])$": ++ type: object ++ description: Represents the LEDs that are to be grouped. ++ properties: ++ color: ++ const: 8 # LED_COLOR_ID_MULTI ++ description: | ++ For multicolor LED support this property should be defined as ++ LED_COLOR_ID_MULTI which can be found in include/linux/leds/common.h. ++ ++ $ref: "common.yaml#" ++ ++ required: ++ - color ++... +--- a/include/dt-bindings/leds/common.h ++++ b/include/dt-bindings/leds/common.h +@@ -29,7 +29,8 @@ + #define LED_COLOR_ID_VIOLET 5 + #define LED_COLOR_ID_YELLOW 6 + #define LED_COLOR_ID_IR 7 +-#define LED_COLOR_ID_MAX 8 ++#define LED_COLOR_ID_MULTI 8 ++#define LED_COLOR_ID_MAX 9 + + /* Standard LED functions */ + #define LED_FUNCTION_ACTIVITY "activity" diff --git a/target/linux/generic/backport-5.4/900-v5.9-0002-leds-Add-multicolor-ID-to-the-color-ID-list.patch b/target/linux/generic/backport-5.4/900-v5.9-0002-leds-Add-multicolor-ID-to-the-color-ID-list.patch new file mode 100644 index 0000000000..5de5dbda04 --- /dev/null +++ b/target/linux/generic/backport-5.4/900-v5.9-0002-leds-Add-multicolor-ID-to-the-color-ID-list.patch @@ -0,0 +1,29 @@ +From 10d3e0d815879129e916cd83e1034438e06efdaa Mon Sep 17 00:00:00 2001 +From: Dan Murphy +Date: Mon, 13 Jul 2020 10:45:32 -0500 +Subject: [PATCH] leds: Add multicolor ID to the color ID list +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Add a new color ID that is declared as MULTICOLOR as with the +multicolor framework declaring a definitive color is not accurate +as the node can contain multiple colors. + +Signed-off-by: Dan Murphy +Reviewed-by: Marek Behún +Signed-off-by: Pavel Machek +--- + drivers/leds/led-core.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/leds/led-core.c ++++ b/drivers/leds/led-core.c +@@ -34,6 +34,7 @@ const char * const led_colors[LED_COLOR_ + [LED_COLOR_ID_VIOLET] = "violet", + [LED_COLOR_ID_YELLOW] = "yellow", + [LED_COLOR_ID_IR] = "ir", ++ [LED_COLOR_ID_MULTI] = "multicolor", + }; + EXPORT_SYMBOL_GPL(led_colors); + diff --git a/target/linux/generic/backport-5.4/900-v5.9-0003-leds-add-RGB-color-option-as-that-is-different-from-.patch b/target/linux/generic/backport-5.4/900-v5.9-0003-leds-add-RGB-color-option-as-that-is-different-from-.patch new file mode 100644 index 0000000000..17c28149f6 --- /dev/null +++ b/target/linux/generic/backport-5.4/900-v5.9-0003-leds-add-RGB-color-option-as-that-is-different-from-.patch @@ -0,0 +1,48 @@ +From 54212f5a1ba3123281877e54c1e5f672bf7563d8 Mon Sep 17 00:00:00 2001 +From: Pavel Machek +Date: Mon, 3 Aug 2020 13:20:06 +0200 +Subject: [PATCH] leds: add RGB color option, as that is different from + multicolor. + +Multicolor is a bit too abstract. Yes, we can have +Green-Magenta-Ultraviolet LED, but so far all the LEDs we support are +RGB, and not even RGB-White or RGB-Yellow variants emerged. + +Multicolor is not a good fit for RGB LED. It does not really know +about LED color. In particular, there's no way to make LED "white". + +Userspace is interested in knowing "this LED can produce arbitrary +color", which not all multicolor LEDs can. + +Signed-off-by: Pavel Machek +--- + drivers/leds/led-core.c | 1 + + drivers/leds/leds-lp55xx-common.c | 2 +- + include/dt-bindings/leds/common.h | 6 ++++-- + 3 files changed, 6 insertions(+), 3 deletions(-) + +--- a/drivers/leds/led-core.c ++++ b/drivers/leds/led-core.c +@@ -35,6 +35,7 @@ const char * const led_colors[LED_COLOR_ + [LED_COLOR_ID_YELLOW] = "yellow", + [LED_COLOR_ID_IR] = "ir", + [LED_COLOR_ID_MULTI] = "multicolor", ++ [LED_COLOR_ID_RGB] = "rgb", + }; + EXPORT_SYMBOL_GPL(led_colors); + +--- a/include/dt-bindings/leds/common.h ++++ b/include/dt-bindings/leds/common.h +@@ -29,8 +29,10 @@ + #define LED_COLOR_ID_VIOLET 5 + #define LED_COLOR_ID_YELLOW 6 + #define LED_COLOR_ID_IR 7 +-#define LED_COLOR_ID_MULTI 8 +-#define LED_COLOR_ID_MAX 9 ++#define LED_COLOR_ID_MULTI 8 /* For multicolor LEDs */ ++#define LED_COLOR_ID_RGB 9 /* For multicolor LEDs that can do arbitrary color, ++ so this would include RGBW and similar */ ++#define LED_COLOR_ID_MAX 10 + + /* Standard LED functions */ + #define LED_FUNCTION_ACTIVITY "activity"