summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml')
-rw-r--r--Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml85
1 files changed, 85 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml b/Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml
new file mode 100644
index 000000000000..d2a872286437
--- /dev/null
+++ b/Documentation/devicetree/bindings/bus/allwinner,sun50i-a64-de2.yaml
@@ -0,0 +1,85 @@
+# 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 Device Tree Bindings
+
+maintainers:
+ - Chen-Yu Tsai <wens@csie.org>
+ - Maxime Ripard <maxime.ripard@bootlin.com>
+
+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:
+ allOf:
+ - $ref: /schemas/types.yaml#definitions/phandle-array
+ - maxItems: 1
+ description:
+ The SRAM that needs to be claimed to access the display engine
+ bus.
+
+ ranges: true
+
+patternProperties:
+ # All other properties should be child nodes with unit-address and 'reg'
+ "^[a-zA-Z][a-zA-Z0-9,+\\-._]{0,63}@[0-9a-fA-F]+$":
+ type: object
+ 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>;
+ };
+ };
+
+...