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Date: Thu, 14 May 2020 21:03:20 +0900
From: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To: Bjorn Helgaas <bhelgaas@...gle.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Rob Herring <robh+dt@...nel.org>,
Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc: linux-pci@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
Masami Hiramatsu <masami.hiramatsu@...aro.org>,
Jassi Brar <jaswinder.singh@...aro.org>,
Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH v4 1/2] dt-bindings: PCI: Add UniPhier PCIe endpoint controller description
Add DT bindings for PCIe controller implemented in UniPhier SoCs
when configured in endpoint mode. This controller is based on
the DesignWare PCIe core.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
.../bindings/pci/socionext,uniphier-pcie-ep.yaml | 92 ++++++++++++++++++++++
MAINTAINERS | 2 +-
2 files changed, 93 insertions(+), 1 deletion(-)
create mode 100644 Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml
diff --git a/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml
new file mode 100644
index 0000000..f0558b9
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/socionext,uniphier-pcie-ep.yaml
@@ -0,0 +1,92 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/socionext,uniphier-pcie-ep.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Socionext UniPhier PCIe endpoint controller
+
+description: |
+ UniPhier PCIe endpoint controller is based on the Synopsys DesignWare
+ PCI core. It shares common features with the PCIe DesignWare core and
+ inherits common properties defined in
+ Documentation/devicetree/bindings/pci/designware-pcie.txt.
+
+maintainers:
+ - Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
+
+allOf:
+ - $ref: "pci-ep.yaml#"
+
+properties:
+ compatible:
+ const: socionext,uniphier-pro5-pcie-ep
+
+ reg:
+ maxItems: 4
+
+ reg-names:
+ items:
+ - const: dbi
+ - const: dbi2
+ - const: link
+ - const: addr_space
+
+ clocks:
+ maxItems: 2
+
+ clock-names:
+ items:
+ - const: gio
+ - const: link
+
+ resets:
+ maxItems: 2
+
+ reset-names:
+ items:
+ - const: gio
+ - const: link
+
+ num-ib-windows:
+ const: 16
+
+ num-ob-windows:
+ const: 16
+
+ num-lanes: true
+
+ phys:
+ maxItems: 1
+
+ phy-names:
+ const: pcie-phy
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+
+additionalProperties: false
+
+examples:
+ - |
+ pcie_ep: pcie-ep@...00000 {
+ compatible = "socionext,uniphier-pro5-pcie-ep";
+ reg-names = "dbi", "dbi2", "link", "addr_space";
+ reg = <0x66000000 0x1000>, <0x66001000 0x1000>,
+ <0x66010000 0x10000>, <0x67000000 0x400000>;
+ clock-names = "gio", "link";
+ clocks = <&sys_clk 12>, <&sys_clk 24>;
+ reset-names = "gio", "link";
+ resets = <&sys_rst 12>, <&sys_rst 24>;
+ num-ib-windows = <16>;
+ num-ob-windows = <16>;
+ num-lanes = <4>;
+ phy-names = "pcie-phy";
+ phys = <&pcie_phy>;
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index 92657a1..7f26748 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13211,7 +13211,7 @@ PCIE DRIVER FOR SOCIONEXT UNIPHIER
M: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
L: linux-pci@...r.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/pci/uniphier-pcie.txt
+F: Documentation/devicetree/bindings/pci/uniphier-pcie*
F: drivers/pci/controller/dwc/pcie-uniphier.c
PCIE DRIVER FOR ST SPEAR13XX
--
2.7.4
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