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-rw-r--r--Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml39
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml
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index 000000000000..841a3d284bbf
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+++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-cfg.yaml
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/mediatek-pcie-cfg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek PCIECFG controller
+
+maintainers:
+ - Chuanjia Liu <chuanjia.liu@mediatek.com>
+ - Jianjun Wang <jianjun.wang@mediatek.com>
+
+description: |
+ The MediaTek PCIECFG controller controls some feature about
+ LTSSM, ASPM and so on.
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - mediatek,generic-pciecfg
+ - const: syscon
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ pciecfg: pciecfg@1a140000 {
+ compatible = "mediatek,generic-pciecfg", "syscon";
+ reg = <0x1a140000 0x1000>;
+ };
+...