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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bus/allwinner,sun50i-a64-de2.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A64 Display Engine Bus
+
+maintainers:
+ - Chen-Yu Tsai <wens@csie.org>
+ - Maxime Ripard <mripard@kernel.org>
+
+properties:
+ $nodename:
+ pattern: "^bus(@[0-9a-f]+)?$"
+
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 1
+
+ compatible:
+ oneOf:
+ - const: allwinner,sun50i-a64-de2
+ - items:
+ - const: allwinner,sun50i-h6-de3
+ - const: allwinner,sun50i-a64-de2
+
+ reg:
+ maxItems: 1
+
+ allwinner,sram:
+ description:
+ The SRAM that needs to be claimed to access the display engine
+ bus.
+ $ref: /schemas/types.yaml#/definitions/phandle-array
+ items:
+ - items:
+ - description: phandle to SRAM
+ - description: register value for device
+
+ ranges: true
+
+patternProperties:
+ # All other properties should be child nodes with unit-address and 'reg'
+ "^[a-zA-Z][a-zA-Z0-9,+\\-._]{0,63}@[0-9a-fA-F]+$":
+ type: object
+ additionalProperties: true
+ properties:
+ reg:
+ maxItems: 1
+
+ required:
+ - reg
+
+required:
+ - compatible
+ - reg
+ - "#address-cells"
+ - "#size-cells"
+ - ranges
+ - allwinner,sram
+
+additionalProperties: false
+
+examples:
+ - |
+ bus@1000000 {
+ compatible = "allwinner,sun50i-a64-de2";
+ reg = <0x1000000 0x400000>;
+ allwinner,sram = <&de2_sram 1>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x1000000 0x400000>;
+
+ display_clocks: clock@0 {
+ compatible = "allwinner,sun50i-a64-de2-clk";
+ reg = <0x0 0x100000>;
+ clocks = <&ccu 52>, <&ccu 99>;
+ clock-names = "bus", "mod";
+ resets = <&ccu 30>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+ };
+ };
+
+...