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authorMaxime Ripard <maxime.ripard@bootlin.com>2019-05-07 21:38:48 +0200
committerMaxime Ripard <maxime.ripard@bootlin.com>2019-05-20 09:27:32 +0200
commita28d1b67cf4f330fb532c8e515025b360d10691a (patch)
tree2ade5f9325cff7c22785ab3f9d5e279b9c8e9899 /Documentation/devicetree/bindings/bus/allwinner,sun8i-a23-rsb.yaml
parente60f1fd252d70e0f1bc3eb449e395ee089002fb4 (diff)
dt-bindings: bus: Convert Allwinner RSB to a schema
The newer Allwinner SoCs feature a bus designed for the PMIC, similar to I2C called RSB. Let's convert the device tree bindings for that bus over to a YAML schemas. Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Diffstat (limited to 'Documentation/devicetree/bindings/bus/allwinner,sun8i-a23-rsb.yaml')
-rw-r--r--Documentation/devicetree/bindings/bus/allwinner,sun8i-a23-rsb.yaml79
1 files changed, 79 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/bus/allwinner,sun8i-a23-rsb.yaml b/Documentation/devicetree/bindings/bus/allwinner,sun8i-a23-rsb.yaml
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index 000000000000..fc2f63860cc8
--- /dev/null
+++ b/Documentation/devicetree/bindings/bus/allwinner,sun8i-a23-rsb.yaml
@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bus/allwinner,sun8i-a23-rsb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A23 RSB Device Tree Bindings
+
+maintainers:
+ - Chen-Yu Tsai <wens@csie.org>
+ - Maxime Ripard <maxime.ripard@bootlin.com>
+
+properties:
+ "#address-cells":
+ const: 1
+
+ "#size-cells":
+ const: 0
+
+ compatible:
+ oneOf:
+ - const: allwinner,sun8i-a23-rsb
+ - items:
+ - const: allwinner,sun8i-a83t-rsb
+ - const: allwinner,sun8i-a23-rsb
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ clock-frequency:
+ minimum: 1
+ maximum: 20000000
+
+patternProperties:
+ "^.*@[0-9a-fA-F]+$":
+ properties:
+ reg:
+ maxItems: 1
+
+ required:
+ - reg
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - resets
+
+examples:
+ - |
+ rsb@1f03400 {
+ compatible = "allwinner,sun8i-a23-rsb";
+ reg = <0x01f03400 0x400>;
+ interrupts = <0 39 4>;
+ clocks = <&apb0_gates 3>;
+ clock-frequency = <3000000>;
+ resets = <&apb0_rst 3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pmic@3e3 {
+ compatible = "...";
+ reg = <0x3e3>;
+
+ /* ... */
+ };
+ };
+
+additionalProperties: false