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authorBjorn Helgaas <bhelgaas@google.com>2026-04-13 20:50:15 +0300
committerBjorn Helgaas <bhelgaas@google.com>2026-04-13 20:50:15 +0300
commitd52e0276261c0ad359b2ef8e40fb63bd7afa65bf (patch)
treeed58cddcc68cf9c051dde860b2f1455f8adfac3b /Documentation
parent9cba2840beabcaec443bab1e3de3fd2f8966c62d (diff)
parentdf5d8fb6fe55754bc2956e501a9e6acaca5af7d9 (diff)
downloadlinux-d52e0276261c0ad359b2ef8e40fb63bd7afa65bf.tar.xz
Merge branch 'pci/controller/dwc-andes-qilai'
- Add Andes QiLai SoC PCIe host driver support (Randolph Lin) * pci/controller/dwc-andes-qilai: PCI: qilai: Add Andes QiLai SoC PCIe host driver support dt-bindings: PCI: Add Andes QiLai PCIe support # Conflicts: # drivers/pci/controller/dwc/Makefile
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/pci/andestech,qilai-pcie.yaml89
1 files changed, 89 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/andestech,qilai-pcie.yaml b/Documentation/devicetree/bindings/pci/andestech,qilai-pcie.yaml
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index 000000000000..97ba97fdc5a9
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+++ b/Documentation/devicetree/bindings/pci/andestech,qilai-pcie.yaml
@@ -0,0 +1,89 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/andestech,qilai-pcie.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Andes QiLai PCIe host controller
+
+description:
+ Andes QiLai PCIe host controller is based on the Synopsys DesignWare
+ PCI core.
+
+maintainers:
+ - Randolph Lin <randolph@andestech.com>
+
+allOf:
+ - $ref: /schemas/pci/snps,dw-pcie.yaml#
+
+properties:
+ compatible:
+ const: andestech,qilai-pcie
+
+ reg:
+ items:
+ - description: Data Bus Interface (DBI) registers.
+ - description: APB registers.
+ - description: PCIe configuration space region.
+
+ reg-names:
+ items:
+ - const: dbi
+ - const: apb
+ - const: config
+
+ dma-coherent: true
+
+ ranges:
+ maxItems: 2
+
+ interrupts:
+ maxItems: 1
+
+ interrupt-names:
+ items:
+ - const: msi
+
+required:
+ - reg
+ - reg-names
+ - interrupts
+ - interrupt-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ pcie@80000000 {
+ compatible = "andestech,qilai-pcie";
+ device_type = "pci";
+ reg = <0x0 0x80000000 0x0 0x20000000>,
+ <0x0 0x04000000 0x0 0x00001000>,
+ <0x0 0x00000000 0x0 0x00010000>;
+ reg-names = "dbi", "apb", "config";
+ dma-coherent;
+
+ linux,pci-domain = <0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges = <0x02000000 0x00 0x10000000 0x00 0x10000000 0x00 0xf0000000>,
+ <0x43000000 0x01 0x00000000 0x01 0x00000000 0x02 0x00000000>;
+
+ #interrupt-cells = <1>;
+ interrupts = <0xf>;
+ interrupt-names = "msi";
+ interrupt-parent = <&plic0>;
+ interrupt-map-mask = <0 0 0 0>;
+ interrupt-map = <0 0 0 1 &plic0 0xf IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &plic0 0xf IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &plic0 0xf IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &plic0 0xf IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+...