diff options
| author | Li Yang <leoyang.li@nxp.com> | 2021-11-11 16:23:38 -0600 |
|---|---|---|
| committer | Li Yang <leoyang.li@nxp.com> | 2021-11-11 16:39:18 -0600 |
| commit | 077cbbc1b5c863ff7a710705343e83dd4ccd7df4 (patch) | |
| tree | ef36042143cfbbfe0d5bb52ccb1c3d567e66a5c4 /Documentation/devicetree/bindings/pci | |
| parent | 8b3e2c6a563d254e0e124f50289513b7c8c9d279 (diff) | |
dt-bindings: pci: layerscape-pci: define aer/pme interrupts
Some platforms using this controller have separated interrupt lines for
aer or pme events instead of having a single interrupt line for
miscellaneous events. Define interrupts in the binding for these
interrupt lines.
Signed-off-by: Li Yang <leoyang.li@nxp.com>
Diffstat (limited to 'Documentation/devicetree/bindings/pci')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/layerscape-pci.txt | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/pci/layerscape-pci.txt b/Documentation/devicetree/bindings/pci/layerscape-pci.txt index 0d3d78aebe26..5697fe078072 100644 --- a/Documentation/devicetree/bindings/pci/layerscape-pci.txt +++ b/Documentation/devicetree/bindings/pci/layerscape-pci.txt @@ -31,8 +31,13 @@ Required properties: - reg: base addresses and lengths of the PCIe controller register blocks. - interrupts: A list of interrupt outputs of the controller. Must contain an entry for each entry in the interrupt-names property. -- interrupt-names: Must include the following entries: - "intr": The interrupt that is asserted for controller interrupts +- interrupt-names: It could include the following entries: + "aer": For interrupt line reporting aer events when non MSI/MSI-X/INTx mode + is used + "pme": For interrupt line reporting pme events when non MSI/MSI-X/INTx mode + is used + "intr": For interrupt line reporting miscellaneous controller events + ...... - fsl,pcie-scfg: Must include two entries. The first entry must be a link to the SCFG device node The second entry must be '0' or '1' based on physical PCIe controller index. @@ -48,8 +53,9 @@ Example: reg = <0x00 0x03400000 0x0 0x00010000 /* controller registers */ 0x40 0x00000000 0x0 0x00002000>; /* configuration space */ reg-names = "regs", "config"; - interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>; /* controller interrupt */ - interrupt-names = "intr"; + interrupts = <GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>, /* aer interrupt */ + <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>; /* pme interrupt */ + interrupt-names = "aer", "pme"; fsl,pcie-scfg = <&scfg 0>; #address-cells = <3>; #size-cells = <2>; |