[PATCH v5 1/3] PCI: Add DT binding for tango PCIe controller
From: Marc Gonzalez <hidden>
Date: 2017-05-31 13:55:30
Also in:
linux-devicetree, linux-pci, lkml
Subsystem:
open firmware and flattened device tree bindings, pci native host bridge and endpoint drivers, pci subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Lorenzo Pieralisi, Krzysztof Wilczyński, Manivannan Sadhasivam, Bjorn Helgaas, Linus Torvalds
Binding for the Sigma Designs SMP8759 SoC. Signed-off-by: Marc Gonzalez <redacted> --- Documentation/devicetree/bindings/pci/tango-pcie.txt | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+)
diff --git a/Documentation/devicetree/bindings/pci/tango-pcie.txt b/Documentation/devicetree/bindings/pci/tango-pcie.txt
new file mode 100644
index 000000000000..35ef2c811a27
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/tango-pcie.txt@@ -0,0 +1,30 @@ +Sigma Designs Tango PCIe controller + +Required properties: + +- compatible: "sigma,smp8759-pcie" +- reg: address/size of PCI configuration space, address/size of register area +- device_type: "pci" +- #size-cells: <2> +- #address-cells: <3> +- msi-controller +- ranges: translation from system to bus addresses +- interrupts: spec for misc interrupts, spec for MSI + +http://elinux.org/Device_Tree_Usage#PCI_Address_Translation +http://elinux.org/Device_Tree_Usage#Advanced_Interrupt_Mapping + +Example: + + pcie at 2e000 { + compatible = "sigma,smp8759-pcie"; + reg = <0x50000000 SZ_4M>, <0x2e000 0x100>; + device_type = "pci"; + #size-cells = <2>; + #address-cells = <3>; + msi-controller; + ranges = <0x02000000 0x0 0x00400000 0x50400000 0x0 SZ_60M>; + interrupts = + <54 IRQ_TYPE_LEVEL_HIGH>, /* misc interrupts */ + <55 IRQ_TYPE_LEVEL_HIGH>; /* MSI */ + };
--
2.11.0