From: Jiaxun Yang <jiaxun.yang@flygoat.com>
To: linux-mips@vger.kernel.org
Cc: Jiaxun Yang <jiaxun.yang@flygoat.com>,
Bjorn Helgaas <bhelgaas@google.com>,
Rob Herring <robh+dt@kernel.org>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Huacai Chen <chenhc@lemote.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Andrew Murray <amurray@thegoodpenguin.co.uk>,
Paul Burton <paulburton@kernel.org>,
linux-pci@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v4 3/5] dt-bindings: Document Loongson PCI Host Controller
Date: Mon, 20 Apr 2020 15:12:09 +0800 [thread overview]
Message-ID: <20200420071220.155357-3-jiaxun.yang@flygoat.com> (raw)
In-Reply-To: <20200420071220.155357-1-jiaxun.yang@flygoat.com>
PCI host controller found on Loongson PCHs and SoCs.
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
--
v3: Fix ranges
---
.../devicetree/bindings/pci/loongson.yaml | 62 +++++++++++++++++++
1 file changed, 62 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pci/loongson.yaml
diff --git a/Documentation/devicetree/bindings/pci/loongson.yaml b/Documentation/devicetree/bindings/pci/loongson.yaml
new file mode 100644
index 000000000000..20b4cf3fe696
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/loongson.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/loongson.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Loongson PCI Host Controller
+
+maintainers:
+ - Jiaxun Yang <jiaxun.yang@flygoat.com>
+
+description: |+
+ PCI host controller found on Loongson PCHs and SoCs.
+
+allOf:
+ - $ref: /schemas/pci/pci-bus.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - const: loongson,rs780e-pci
+ - const: loongson,ls7a-pci
+ - const: loongson,ls2k-pci
+
+ reg:
+ minItems: 1
+ maxItems: 2
+ items:
+ - description: CFG0 standard config space register
+ - description: CFG1 extended config space register
+
+ ranges:
+ minItems: 1
+ maxItems: 3
+
+
+required:
+ - compatible
+ - reg
+ - ranges
+
+examples:
+ - |
+
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ pcie@1a000000 {
+ compatible = "loongson,rs780e-pci";
+ device_type = "pci";
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ // CPU_PHYSICAL(2) SIZE(2)
+ reg = <0x0 0x1a000000 0x0 0x2000000>;
+
+ // BUS_ADDRESS(3) CPU_PHYSICAL(2) SIZE(2)
+ ranges = <0x01000000 0x0 0x00004000 0x0 0x00004000 0x0 0x00004000>,
+ <0x02000000 0x0 0x40000000 0x0 0x40000000 0x0 0x40000000>;
+ };
+ };
+...
--
2.26.0.rc2
next prev parent reply other threads:[~2020-04-20 7:18 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-30 11:42 [PATCH 0/5] Loongson64 Generic PCI driver Jiaxun Yang
2020-03-30 11:42 ` [PATCH 1/5] PCI: OF: Don't remap iospace on unsupported platform Jiaxun Yang
2020-03-30 11:42 ` [PATCH 2/5] PCI: Add Loongson PCI Controller support Jiaxun Yang
2020-03-30 22:08 ` Rob Herring
2020-03-30 11:42 ` [PATCH 3/5] dt-bindings: Document Loongson PCI Host Controller Jiaxun Yang
2020-03-30 15:40 ` Sergei Shtylyov
2020-03-30 15:45 ` Rob Herring
2020-03-30 11:42 ` [PATCH 4/5] MIPS: DTS: Loongson64: Add PCI Controller Node Jiaxun Yang
2020-03-30 15:37 ` Sergei Shtylyov
2020-03-30 15:47 ` Jiaxun Yang
2020-03-30 11:42 ` [PATCH 5/5] MIPS: Loongson64: Switch to generic PCI driver Jiaxun Yang
2020-04-01 3:06 ` [PATCH v2 0/5] Loongson64 Generic PCI driver v2 Jiaxun Yang
2020-04-01 3:06 ` [PATCH v2 1/5] PCI: OF: Don't remap iospace on unsupported platform Jiaxun Yang
2020-04-01 3:06 ` [PATCH v2 2/5] PCI: Add Loongson PCI Controller support Jiaxun Yang
2020-04-01 3:06 ` [PATCH v2 3/5] dt-bindings: Document Loongson PCI Host Controller Jiaxun Yang
2020-04-01 14:18 ` Rob Herring
2020-04-01 3:06 ` [PATCH v2 4/5] MIPS: DTS: Loongson64: Add PCI Controller Node Jiaxun Yang
2020-04-01 3:06 ` [PATCH v2 5/5] MIPS: Loongson64: Switch to generic PCI driver Jiaxun Yang
2020-04-13 5:32 ` [PATCH v3 1/5] PCI: OF: Don't remap iospace on unsupported platform Jiaxun Yang
2020-04-13 5:32 ` [PATCH v3 2/5] PCI: Add Loongson PCI Controller support Jiaxun Yang
2020-04-13 5:32 ` [PATCH v3 3/5] dt-bindings: Document Loongson PCI Host Controller Jiaxun Yang
2020-04-13 5:32 ` [PATCH v3 4/5] MIPS: DTS: Loongson64: Add PCI Controller Node Jiaxun Yang
2020-04-13 5:32 ` [PATCH v3 5/5] MIPS: Loongson64: Switch to generic PCI driver Jiaxun Yang
2020-04-13 9:31 ` [PATCH v3 1/5] PCI: OF: Don't remap iospace on unsupported platform Sergei Shtylyov
2020-04-20 7:12 ` [PATCH v4 " Jiaxun Yang
2020-04-20 7:12 ` [PATCH v4 2/5] PCI: Add Loongson PCI Controller support Jiaxun Yang
2020-04-20 7:12 ` Jiaxun Yang [this message]
2020-04-20 7:12 ` [PATCH v4 4/5] MIPS: DTS: Loongson64: Add PCI Controller Node Jiaxun Yang
2020-04-20 7:12 ` [PATCH v4 5/5] MIPS: Loongson64: Switch to generic PCI driver Jiaxun Yang
2020-04-20 9:38 ` [PATCH v4 1/5] PCI: OF: Don't remap iospace on unsupported platform Sergei Shtylyov
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