From: Maxime Ripard <maxime.ripard@xxxxxxxxxxx> The Allwinner SoCs have an interrupt controller called NMI supported in Linux, with a matching Device Tree binding. Now that we have the DT validation in place, let's convert the device tree bindings for that controller over to a YAML schemas. Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx> --- Changes from v1: - Remove the custom select and rely on the deprecated property instead --- .../allwinner,sun7i-a20-sc-nmi.yaml | 70 +++++++++++++++++++ .../allwinner,sunxi-nmi.txt | 29 -------- 2 files changed, 70 insertions(+), 29 deletions(-) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml delete mode 100644 Documentation/devicetree/bindings/interrupt-controller/allwinner,sunxi-nmi.txt diff --git a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml new file mode 100644 index 000000000000..0eccf5551786 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/allwinner,sun7i-a20-sc-nmi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A20 Non-Maskable Interrupt Controller Device Tree Bindings + +maintainers: + - Chen-Yu Tsai <wens@xxxxxxxx> + - Maxime Ripard <maxime.ripard@xxxxxxxxxxx> + +allOf: + - $ref: /schemas/interrupt-controller.yaml# + +properties: + "#interrupt-cells": + const: 2 + description: + The first cell is the IRQ number, the second cell the trigger + type as defined in interrupt.txt in this directory. + + compatible: + oneOf: + - const: allwinner,sun6i-a31-r-intc + - const: allwinner,sun6i-a31-sc-nmi + deprecated: true + - const: allwinner,sun7i-a20-sc-nmi + - items: + - const: allwinner,sun8i-a83t-r-intc + - const: allwinner,sun6i-a31-r-intc + - const: allwinner,sun9i-a80-sc-nmi + - items: + - const: allwinner,sun50i-a64-r-intc + - const: allwinner,sun6i-a31-r-intc + - items: + - const: allwinner,sun50i-h6-r-intc + - const: allwinner,sun6i-a31-r-intc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-controller: true + +required: + - "#interrupt-cells" + - compatible + - reg + - interrupts + - interrupt-controller + +# FIXME: We should set it, but it would report all the generic +# properties as additional properties. +# additionalProperties: false + +examples: + - | + interrupt-controller@1c00030 { + compatible = "allwinner,sun7i-a20-sc-nmi"; + interrupt-controller; + #interrupt-cells = <2>; + reg = <0x01c00030 0x0c>; + interrupt-parent = <&gic>; + interrupts = <0 0 4>; + }; + +... diff --git a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sunxi-nmi.txt b/Documentation/devicetree/bindings/interrupt-controller/allwinner,sunxi-nmi.txt deleted file mode 100644 index 24beadf7ba83..000000000000 --- a/Documentation/devicetree/bindings/interrupt-controller/allwinner,sunxi-nmi.txt +++ /dev/null @@ -1,29 +0,0 @@ -Allwinner Sunxi NMI Controller -============================== - -Required properties: - -- compatible : should be one of the following: - - "allwinner,sun7i-a20-sc-nmi" - - "allwinner,sun6i-a31-sc-nmi" (deprecated) - - "allwinner,sun6i-a31-r-intc" - - "allwinner,sun9i-a80-nmi" -- reg : Specifies base physical address and size of the registers. -- interrupt-controller : Identifies the node as an interrupt controller -- #interrupt-cells : Specifies the number of cells needed to encode an - interrupt source. The value shall be 2. The first cell is the IRQ number, the - second cell the trigger type as defined in interrupt.txt in this directory. -- interrupts: Specifies the interrupt line (NMI) which is handled by - the interrupt controller in the parent controller's notation. This value - shall be the NMI. - -Example: - -sc-nmi-intc@1c00030 { - compatible = "allwinner,sun7i-a20-sc-nmi"; - interrupt-controller; - #interrupt-cells = <2>; - reg = <0x01c00030 0x0c>; - interrupt-parent = <&gic>; - interrupts = <0 0 4>; -}; -- 2.21.0
