Add device-tree bindings documentation for Turris 1.x RGB LEDs. Signed-off-by: Pali Rohár <pali@xxxxxxxxxx> --- Changes in v2: * Fix schema errors --- .../bindings/leds/cznic,turris1x-leds.yaml | 118 ++++++++++++++++++ 1 file changed, 118 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/cznic,turris1x-leds.yaml diff --git a/Documentation/devicetree/bindings/leds/cznic,turris1x-leds.yaml b/Documentation/devicetree/bindings/leds/cznic,turris1x-leds.yaml new file mode 100644 index 000000000000..bcaab5b03128 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/cznic,turris1x-leds.yaml @@ -0,0 +1,118 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/cznic,turris1x-leds.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: CZ.NIC's Turris 1.x LEDs driver + +maintainers: + - Pali Rohár <pali@xxxxxxxxxx> + +description: + This module adds support for the RGB LEDs found on the front panel of the + Turris 1.x routers. There are 8 RGB LEDs that are controlled by CZ.NIC CPLD + firmware running on Lattice FPGA. Firmware is open source and available at + https://gitlab.nic.cz/turris/hw/turris_cpld/-/blob/master/CZ_NIC_Router_CPLD.v + +properties: + compatible: + const: cznic,turris1x-leds + + reg: + description: CPLD address range where LED registers are mapped + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +patternProperties: + "^multi-led@[0-7]$": + type: object + $ref: leds-class-multicolor.yaml# + unevaluatedProperties: false + + properties: + reg: + minimum: 0 + maximum: 7 + + required: + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/leds/common.h> + + cpld@3,0 { + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x3 0x0 0x00020000>; + + led-controller@13 { + compatible = "cznic,turris1x-leds"; + reg = <0x13 0x1d>; + #address-cells = <1>; + #size-cells = <0>; + + multi-led@0 { + reg = <0x0>; + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_WAN; + }; + + multi-led@1 { + reg = <0x1>; + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_LAN; + function-enumerator = <5>; + }; + + multi-led@2 { + reg = <0x2>; + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_LAN; + function-enumerator = <4>; + }; + + multi-led@3 { + reg = <0x3>; + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_LAN; + function-enumerator = <3>; + }; + + multi-led@4 { + reg = <0x4>; + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_LAN; + function-enumerator = <2>; + }; + + multi-led@5 { + reg = <0x5>; + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_LAN; + function-enumerator = <1>; + }; + + multi-led@6 { + reg = <0x6>; + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_WLAN; + }; + + multi-led@7 { + reg = <0x7>; + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_POWER; + }; + }; + }; + +... -- 2.20.1
