summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml')
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml118
1 files changed, 118 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml
new file mode 100644
index 000000000..887e565b9
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,ls-extirq.yaml
@@ -0,0 +1,118 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/fsl,ls-extirq.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale Layerscape External Interrupt Controller
+
+maintainers:
+ - Shawn Guo <shawnguo@kernel.org>
+ - Li Yang <leoyang.li@nxp.com>
+
+description: |
+ Some Layerscape SOCs (LS1021A, LS1043A, LS1046A LS1088A, LS208xA,
+ LX216xA) support inverting the polarity of certain external interrupt
+ lines.
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - fsl,ls1021a-extirq
+ - fsl,ls1043a-extirq
+ - fsl,ls1088a-extirq
+ - items:
+ - enum:
+ - fsl,ls1046a-extirq
+ - const: fsl,ls1043a-extirq
+ - items:
+ - enum:
+ - fsl,ls2080a-extirq
+ - fsl,lx2160a-extirq
+ - const: fsl,ls1088a-extirq
+
+ '#interrupt-cells':
+ const: 2
+
+ '#address-cells':
+ const: 0
+
+ interrupt-controller: true
+
+ reg:
+ maxItems: 1
+ description:
+ Specifies the Interrupt Polarity Control Register (INTPCR) in the
+ SCFG or the External Interrupt Control Register (IRQCR) in the ISC.
+
+ interrupt-map:
+ description: Specifies the mapping from external interrupts to GIC interrupts.
+
+ interrupt-map-mask: true
+
+required:
+ - compatible
+ - '#interrupt-cells'
+ - '#address-cells'
+ - interrupt-controller
+ - reg
+ - interrupt-map
+ - interrupt-map-mask
+
+allOf:
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - fsl,ls1021a-extirq
+ then:
+ properties:
+ interrupt-map:
+ minItems: 6
+ maxItems: 6
+ interrupt-map-mask:
+ items:
+ - const: 0x7
+ - const: 0
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - fsl,ls1043a-extirq
+ - fsl,ls1046a-extirq
+ - fsl,ls1088a-extirq
+ - fsl,ls2080a-extirq
+ - fsl,lx2160a-extirq
+ then:
+ properties:
+ interrupt-map:
+ minItems: 12
+ maxItems: 12
+ interrupt-map-mask:
+ items:
+ - const: 0xf
+ - const: 0
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ interrupt-controller@1ac {
+ compatible = "fsl,ls1021a-extirq";
+ #interrupt-cells = <2>;
+ #address-cells = <0>;
+ interrupt-controller;
+ reg = <0x1ac 4>;
+ interrupt-map =
+ <0 0 &gic GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
+ <1 0 &gic GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
+ <2 0 &gic GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>,
+ <3 0 &gic GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
+ <4 0 &gic GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
+ <5 0 &gic GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-map-mask = <0x7 0x0>;
+ };