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Diffstat (limited to 'target/linux/generic/backport-5.15/800-v6.0-0001-dt-bindings-leds-add-Broadcom-s-BCM63138-controller.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/800-v6.0-0001-dt-bindings-leds-add-Broadcom-s-BCM63138-controller.patch | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/800-v6.0-0001-dt-bindings-leds-add-Broadcom-s-BCM63138-controller.patch b/target/linux/generic/backport-5.15/800-v6.0-0001-dt-bindings-leds-add-Broadcom-s-BCM63138-controller.patch new file mode 100644 index 0000000000..b1072ce640 --- /dev/null +++ b/target/linux/generic/backport-5.15/800-v6.0-0001-dt-bindings-leds-add-Broadcom-s-BCM63138-controller.patch @@ -0,0 +1,125 @@ +From 13344f8ce8a0d98aa7f5d69ce3b47393c73a343b Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> +Date: Mon, 27 Dec 2021 15:59:04 +0100 +Subject: [PATCH] dt-bindings: leds: add Broadcom's BCM63138 controller +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Broadcom used 2 LEDs hardware blocks for their BCM63xx SoCs: +1. Older one (BCM6318, BCM6328, BCM6362, BCM63268, BCM6838) +2. Newer one (BCM6848, BCM6858, BCM63138, BCM63148, BCM63381, BCM68360) + +The newer one was also later also used on BCM4908 SoC. + +Old block is already documented in the leds-bcm6328.yaml. This binding +documents the new one which uses different registers & programming. It's +first used in BCM63138 thus the binding name. + +Signed-off-by: Rafał Miłecki <rafal@milecki.pl> +Reviewed-by: Rob Herring <robh@kernel.org> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: Pavel Machek <pavel@ucw.cz> +--- + .../bindings/leds/leds-bcm63138.yaml | 95 +++++++++++++++++++ + 1 file changed, 95 insertions(+) + create mode 100644 Documentation/devicetree/bindings/leds/leds-bcm63138.yaml + +--- /dev/null ++++ b/Documentation/devicetree/bindings/leds/leds-bcm63138.yaml +@@ -0,0 +1,95 @@ ++# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause ++%YAML 1.2 ++--- ++$id: http://devicetree.org/schemas/leds/leds-bcm63138.yaml# ++$schema: http://devicetree.org/meta-schemas/core.yaml# ++ ++title: Broadcom's BCM63138 LEDs controller ++ ++maintainers: ++ - Rafał Miłecki <rafal@milecki.pl> ++ ++description: | ++ This LEDs controller was first used on BCM63138 and later reused on BCM4908, ++ BCM6848, BCM6858, BCM63138, BCM63148, BCM63381 and BCM68360 SoCs. ++ ++ It supports up to 32 LEDs that can be connected parallelly or serially. It ++ also includes limited support for hardware blinking. ++ ++ Binding serially connected LEDs isn't documented yet. ++ ++properties: ++ compatible: ++ oneOf: ++ - items: ++ - enum: ++ - brcm,bcm4908-leds ++ - brcm,bcm6848-leds ++ - brcm,bcm6858-leds ++ - brcm,bcm63148-leds ++ - brcm,bcm63381-leds ++ - brcm,bcm68360-leds ++ - const: brcm,bcm63138-leds ++ - const: brcm,bcm63138-leds ++ ++ reg: ++ maxItems: 1 ++ ++ "#address-cells": ++ const: 1 ++ ++ "#size-cells": ++ const: 0 ++ ++patternProperties: ++ "^led@[a-f0-9]+$": ++ type: object ++ ++ $ref: common.yaml# ++ ++ properties: ++ reg: ++ maxItems: 1 ++ description: LED pin number ++ ++ active-low: ++ type: boolean ++ description: Makes LED active low. ++ ++ required: ++ - reg ++ ++ unevaluatedProperties: false ++ ++required: ++ - reg ++ - "#address-cells" ++ - "#size-cells" ++ ++additionalProperties: false ++ ++examples: ++ - | ++ #include <dt-bindings/leds/common.h> ++ ++ leds@ff800800 { ++ compatible = "brcm,bcm4908-leds", "brcm,bcm63138-leds"; ++ reg = <0xff800800 0xdc>; ++ ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ led@0 { ++ reg = <0x0>; ++ function = LED_FUNCTION_POWER; ++ color = <LED_COLOR_ID_GREEN>; ++ default-state = "on"; ++ }; ++ ++ led@3 { ++ reg = <0x3>; ++ function = LED_FUNCTION_STATUS; ++ color = <LED_COLOR_ID_GREEN>; ++ active-low; ++ }; ++ }; |