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[2a01:c22:7326:e100:c9d3:3c62:2c99:d44b]) by smtp.googlemail.com with ESMTPSA id c17-20020a05640227d100b00410ece2072dsm1999591ede.95.2022.02.25.13.23.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 25 Feb 2022 13:23:47 -0800 (PST) Message-ID: <2671e6e3-8f18-8b70-244b-9e1415bfdf8f@gmail.com> Date: Fri, 25 Feb 2022 22:13:16 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: [PATCH v5 2/6] dt-bindings: auxdisplay: Add Titan Micro Electronics TM1628 Content-Language: en-US From: Heiner Kallweit To: Rob Herring , Krzysztof Kozlowski , =?utf-8?q?Andreas_?= =?utf-8?q?F=C3=A4rber?= , Miguel Ojeda Cc: "linux-spi@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "open list:ARM/Amlogic Meson..." , Jerome Brunet , Martin Blumenstingl , Kevin Hilman , Neil Armstrong , Geert Uytterhoeven References: <90668779-b53d-b3e7-5327-af11ff4a1d18@gmail.com> In-Reply-To: <90668779-b53d-b3e7-5327-af11ff4a1d18@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220225_132349_749150_470CB1BA X-CRM114-Status: GOOD ( 12.49 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add a YAML schema binding for TM1628 auxdisplay (7/11-segment LED) controller. This patch is partially based on previous work from Andreas Färber . Co-developed-by: Andreas Färber Signed-off-by: Andreas Färber Signed-off-by: Heiner Kallweit Reviewed-by: Rob Herring --- v5: - add vendor prefix to driver-specific properties --- .../bindings/auxdisplay/titanmec,tm1628.yaml | 92 +++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 Documentation/devicetree/bindings/auxdisplay/titanmec,tm1628.yaml diff --git a/Documentation/devicetree/bindings/auxdisplay/titanmec,tm1628.yaml b/Documentation/devicetree/bindings/auxdisplay/titanmec,tm1628.yaml new file mode 100644 index 000000000..2a1ef692c --- /dev/null +++ b/Documentation/devicetree/bindings/auxdisplay/titanmec,tm1628.yaml @@ -0,0 +1,92 @@ +# SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/auxdisplay/titanmec,tm1628.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Titan Micro Electronics TM1628 LED controller + +maintainers: + - Andreas Färber + - Heiner Kallweit + +allOf: + - $ref: /schemas/spi/spi-peripheral-props.yaml# + +properties: + compatible: + const: titanmec,tm1628 + + reg: + maxItems: 1 + + titanmec,grid: + description: + Mapping of display digit position to grid number. + This implicitly defines the display size. + $ref: /schemas/types.yaml#/definitions/uint8-array + minItems: 1 + maxItems: 7 + + titanmec,segment-mapping: + description: + Mapping of 7 segment display segments A-G to bit numbers 1-12. + $ref: /schemas/types.yaml#/definitions/uint8-array + minItems: 7 + maxItems: 7 + + "#address-cells": + const: 2 + + "#size-cells": + const: 0 + +required: + - compatible + - reg + +patternProperties: + "^.*@[1-7],([1-9]|1[0-6])$": + type: object + $ref: /schemas/leds/common.yaml# + unevaluatedProperties: false + description: | + Properties for a single LED. + + properties: + reg: + description: | + 1-based grid number, followed by 1-based segment bit number. + maxItems: 1 + + required: + - reg + +unevaluatedProperties: false + +examples: + - | + #include + + spi { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@0 { + compatible = "titanmec,tm1628"; + reg = <0>; + spi-3-wire; + spi-lsb-first; + spi-max-frequency = <500000>; + titanmec,grid = /bits/ 8 <4 3 2 1>; + titanmec,segment-mapping = /bits/ 8 <4 5 6 1 2 3 7>; + #address-cells = <2>; + #size-cells = <0>; + + alarm@5,4 { + reg = <5 4>; + function = LED_FUNCTION_ALARM; + }; + }; + }; +...