diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2019-12-19 05:46:54 +0100 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-12-19 05:46:54 +0100 |
commit | 574eed3f6fcf056aa4c9e46c4b5224e3f7844d8d (patch) | |
tree | 3fbe9ed379bc0d6c536860845e85a4ede4b36bbc /dts/Bindings/interrupt-controller/fsl,ls-extirq.txt | |
parent | 179dedbc6d85d7ea7c8013513b364a75f32943e8 (diff) | |
download | barebox-574eed3f6fcf056aa4c9e46c4b5224e3f7844d8d.tar.gz barebox-574eed3f6fcf056aa4c9e46c4b5224e3f7844d8d.tar.xz |
dts: update to v5.5-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/interrupt-controller/fsl,ls-extirq.txt')
-rw-r--r-- | dts/Bindings/interrupt-controller/fsl,ls-extirq.txt | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/dts/Bindings/interrupt-controller/fsl,ls-extirq.txt b/dts/Bindings/interrupt-controller/fsl,ls-extirq.txt new file mode 100644 index 0000000000..f0ad7801e8 --- /dev/null +++ b/dts/Bindings/interrupt-controller/fsl,ls-extirq.txt @@ -0,0 +1,49 @@ +* Freescale Layerscape external IRQs + +Some Layerscape SOCs (LS1021A, LS1043A, LS1046A) support inverting +the polarity of certain external interrupt lines. + +The device node must be a child of the node representing the +Supplemental Configuration Unit (SCFG). + +Required properties: +- compatible: should be "fsl,<soc-name>-extirq", e.g. "fsl,ls1021a-extirq". +- #interrupt-cells: Must be 2. The first element is the index of the + external interrupt line. The second element is the trigger type. +- #address-cells: Must be 0. +- interrupt-controller: Identifies the node as an interrupt controller +- reg: Specifies the Interrupt Polarity Control Register (INTPCR) in + the SCFG. +- interrupt-map: Specifies the mapping from external interrupts to GIC + interrupts. +- interrupt-map-mask: Must be <0xffffffff 0>. + +Example: + scfg: scfg@1570000 { + compatible = "fsl,ls1021a-scfg", "syscon"; + reg = <0x0 0x1570000 0x0 0x10000>; + big-endian; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x1570000 0x10000>; + + extirq: 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 = <0xffffffff 0x0>; + }; + }; + + + interrupts-extended = <&gic GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>, + <&extirq 1 IRQ_TYPE_LEVEL_LOW>; |