mirror of
https://github.com/LibreELEC/LibreELEC.tv
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160 lines
4.0 KiB
Diff
160 lines
4.0 KiB
Diff
From 793c581ca351bfa08e185c3625ede56cc4cabf3f Mon Sep 17 00:00:00 2001
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From: Christian Hewitt <christianshewitt@gmail.com>
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Date: Thu, 12 Jun 2025 10:30:51 +0000
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Subject: [PATCH 34/37] WIP: dt-bindings: auxdisplay: add Titan Micro
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Electronics TM16XX
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Add documentation for auxiliary displays based on TM16XX and compatible
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LED controllers.
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Signed-off-by: Jean-François Lessard <jefflessard3@gmail.com>
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Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
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---
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.../bindings/auxdisplay/tm16xx.yaml | 131 ++++++++++++++++++
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1 file changed, 131 insertions(+)
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create mode 100644 Documentation/devicetree/bindings/auxdisplay/tm16xx.yaml
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diff --git a/Documentation/devicetree/bindings/auxdisplay/tm16xx.yaml b/Documentation/devicetree/bindings/auxdisplay/tm16xx.yaml
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new file mode 100644
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index 000000000000..80b54572926c
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--- /dev/null
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+++ b/Documentation/devicetree/bindings/auxdisplay/tm16xx.yaml
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@@ -0,0 +1,131 @@
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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+%YAML 1.2
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+---
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+$id: http://devicetree.org/schemas/auxdisplay/tm16xx.yaml#
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+$schema: http://devicetree.org/meta-schemas/core.yaml#
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+
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+title: TM16XX and Compatible Auxiliary Display Driver
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+
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+maintainers:
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+ - Jean-François Lessard <jefflessard3@gmail.com>
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+
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+description: |
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+ Bindings for auxiliary displays based on TM16XX and compatible LED controllers.
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+
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+properties:
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+ compatible:
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+ enum:
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+ - titanmec,tm1618
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+ - titanmec,tm1620
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+ - titanmec,tm1628
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+ - titanmec,tm1650
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+ - fdhisi,fd620
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+ - fdhisi,fd628
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+ - fdhisi,fd650
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+ - fdhisi,fd6551
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+ - fdhisi,fd655
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+ - princeton,pt6964
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+ - hbs,hbs658
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+
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+ reg:
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+ maxItems: 1
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+
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+ tm16xx,digits:
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+ description: Array of grid indexes for each digit
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+ $ref: /schemas/types.yaml#/definitions/uint8-array
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+ items:
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+ minimum: 0
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+ maximum: 7
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+ minItems: 1
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+ maxItems: 8
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+
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+ tm16xx,segment-mapping:
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+ description: Array specifying segment mapping (must be exactly 7 elements)
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+ $ref: /schemas/types.yaml#/definitions/uint8-array
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+ items:
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+ minimum: 0
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+ maximum: 7
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+ minItems: 7
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+ maxItems: 7
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+
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+ tm16xx,transposed:
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+ description: |
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+ Optional boolean flag indicating if the device output is transposed.
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+ If not present, the default value is false.
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+ $ref: /schemas/types.yaml#/definitions/flag
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+
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+ "#address-cells":
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+ const: 2
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+
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+ "#size-cells":
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+ const: 0
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+
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+patternProperties:
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+ "^led@[0-7],[0-7]$":
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+ $ref: /schemas/leds/common.yaml#
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+ properties:
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+ reg:
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+ description: Grid and segment indexes
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+ required:
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+ - reg
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+
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+required:
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+ - compatible
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+ - reg
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+ - tm16xx,digits
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+ - tm16xx,segment-mapping
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+
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+additionalProperties: true
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+
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+examples:
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+ - |
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+ display_client: i2c {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ display@24 {
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+ compatible = "titanmec,tm1650";
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+ reg = <0x24>;
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+ tm16xx,digits = /bits/ 8 <0 1 2 3>;
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+ tm16xx,segment-mapping = /bits/ 8 <0 1 2 3 4 5 6>;
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+
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+ #address-cells = <2>;
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+ #size-cells = <0>;
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+
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+ led@4,0 {
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+ reg = <4 0>;
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+ function = "lan";
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+ };
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+
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+ led@4,1 {
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+ reg = <4 1>;
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+ function = "wlan";
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+ };
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+ };
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+ };
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+ - |
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+ display_client: spi {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+
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+ display@0 {
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+ compatible = "titanmec,tm1628";
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+ reg = <0>;
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+ tm16xx,transposed;
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+ tm16xx,digits = /bits/ 8 <1 2 3 4>;
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+ tm16xx,segment-mapping = /bits/ 8 <0 1 2 3 4 5 6>;
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+
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+ #address-cells = <2>;
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+ #size-cells = <0>;
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+
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+ led@0,2 {
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+ reg = <0 2>;
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+ function = "usb";
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+ };
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+
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+ led@0,3 {
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+ reg = <0 3>;
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+ function = "power";
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+ };
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+ };
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+ };
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--
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2.34.1
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