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Diffstat (limited to 'Documentation/devicetree/bindings/display/apple,h7-display-pipe.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/display/apple,h7-display-pipe.yaml | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/apple,h7-display-pipe.yaml b/Documentation/devicetree/bindings/display/apple,h7-display-pipe.yaml new file mode 100644 index 000000000000..102fb1804c0c --- /dev/null +++ b/Documentation/devicetree/bindings/display/apple,h7-display-pipe.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/apple,h7-display-pipe.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Apple pre-DCP display controller + +maintainers: + - Sasha Finkelstein <fnkl.kernel@gmail.com> + +description: + A secondary display controller used to drive the "touchbar" on + certain Apple laptops. + +properties: + compatible: + items: + - enum: + - apple,t8112-display-pipe + - apple,t8103-display-pipe + - const: apple,h7-display-pipe + + reg: + items: + - description: Primary register block, controls planes and blending + - description: + Contains other configuration registers like interrupt + and FIFO control + + reg-names: + items: + - const: be + - const: fe + + power-domains: + description: + Phandles to pmgr entries that are needed for this controller to turn on. + Aside from that, their specific functions are unknown + maxItems: 2 + + interrupts: + items: + - description: Unknown function + - description: Primary interrupt. Vsync events are reported via it + + interrupt-names: + items: + - const: be + - const: fe + + iommus: + maxItems: 1 + + port: + $ref: /schemas/graph.yaml#/properties/port + description: Output port. Always connected to apple,h7-display-pipe-mipi + +required: + - compatible + - reg + - interrupts + - port + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/apple-aic.h> + display-pipe@28200000 { + compatible = "apple,t8103-display-pipe", "apple,h7-display-pipe"; + reg = <0x28200000 0xc000>, + <0x28400000 0x4000>; + reg-names = "be", "fe"; + power-domains = <&ps_dispdfr_fe>, <&ps_dispdfr_be>; + interrupt-parent = <&aic>; + interrupts = <AIC_IRQ 502 IRQ_TYPE_LEVEL_HIGH>, + <AIC_IRQ 506 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "be", "fe"; + iommus = <&displaydfr_dart 0>; + + port { + dfr_adp_out_mipi: endpoint { + remote-endpoint = <&dfr_mipi_in_adp>; + }; + }; + }; +... |