summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/interrupt-controller
diff options
context:
space:
mode:
authorJoakim Zhang <qiangqing.zhang@nxp.com>2020-01-17 06:10:05 +0000
committerMarc Zyngier <maz@kernel.org>2020-01-20 19:10:05 +0000
commit618ea6275b9806909ef384c6d57f40641d7985d2 (patch)
tree7b452f97b504743fd52a6b619af6612c0e725c0f /Documentation/devicetree/bindings/interrupt-controller
parentb74416dba33be3ed934e21df8286076cbd85b97f (diff)
dt-bindings: interrupt-controller: Add binding for NXP INTMUX interrupt multiplexer
This patch adds the DT bindings for the NXP INTMUX interrupt multiplexer for i.MX8 family SoCs. Signed-off-by: Joakim Zhang <qiangqing.zhang@nxp.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20200117060653.27485-2-qiangqing.zhang@nxp.com
Diffstat (limited to 'Documentation/devicetree/bindings/interrupt-controller')
-rw-r--r--Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.yaml68
1 files changed, 68 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.yaml b/Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.yaml
new file mode 100644
index 000000000000..43c6effbb5bd
--- /dev/null
+++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,intmux.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interrupt-controller/fsl,intmux.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale INTMUX interrupt multiplexer
+
+maintainers:
+ - Joakim Zhang <qiangqing.zhang@nxp.com>
+
+properties:
+ compatible:
+ const: fsl,imx-intmux
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ minItems: 1
+ maxItems: 8
+ description: |
+ Should contain the parent interrupt lines (up to 8) used to multiplex
+ the input interrupts.
+
+ interrupt-controller: true
+
+ '#interrupt-cells':
+ const: 2
+ description: |
+ The 1st cell is hw interrupt number, the 2nd cell is channel index.
+
+ clocks:
+ description: ipg clock.
+
+ clock-names:
+ const: ipg
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-controller
+ - '#interrupt-cells'
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ interrupt-controller@37400000 {
+ compatible = "fsl,imx-intmux";
+ reg = <0x37400000 0x1000>;
+ interrupts = <0 16 4>,
+ <0 17 4>,
+ <0 18 4>,
+ <0 19 4>,
+ <0 20 4>,
+ <0 21 4>,
+ <0 22 4>,
+ <0 23 4>;
+ interrupt-controller;
+ interrupt-parent = <&gic>;
+ #interrupt-cells = <2>;
+ clocks = <&clk>;
+ clock-names = "ipg";
+ };