The Broadcom BCA (Broadband Access) SoCs contain a unique LED block. Add bindings for it. Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx> --- .../devicetree/bindings/leds/brcm,bcmbca-leds.yaml | 88 ++++++++++++++++++++++ 1 file changed, 88 insertions(+) diff --git a/Documentation/devicetree/bindings/leds/brcm,bcmbca-leds.yaml b/Documentation/devicetree/bindings/leds/brcm,bcmbca-leds.yaml new file mode 100644 index 000000000000..7fe2222c0c58 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/brcm,bcmbca-leds.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/brcm,bcmbca-leds.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCMBCA LEDs + +maintainers: + - Linus Walleij <linus.walleij@xxxxxxxxxx> + +description: | + The Broadcom BCA (Broadband Access) SoCs have a LED control + block that can support either parallel (directly connected) + LEDs or serial (connected to 1-4 shift registers) LEDs. + The LEDs can optionally be hardware-triggered by ethernet port + traffic. + +properties: + compatible: + const: brcm,bcmbca-leds + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + brcm,serial-shifters: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This describes the number of 8-bit serial shifters + connected to the LED controller block. If this property + is definied, it is implicit that the driver is using + serial LED control, if it is missing, parallel LED + control is assumed. + +patternProperties: + "^led@[0-9a-f]+$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + minimum: 0 + + required: + - reg + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/leds/common.h> + + soc { + #address-cells = <1>; + #size-cells = <1>; + + led-controller@800 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "brcm,bcmbca-leds"; + reg = <0x800 0xc8>; + + led@0 { + reg = <0>; + active-low; + function = "ext"; + color = <LED_COLOR_ID_GREEN>; + }; + + led@1 { + reg = <1>; + active-low; + function = "ext"; + color = <LED_COLOR_ID_AMBER>; + }; + }; + }; -- 2.46.0
