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Message-Id: <24846acf0a9bed076de4a94a662dea0cb6c4fc8d.1627559126.git.mchehab+huawei@kernel.org>
Date: Thu, 29 Jul 2021 13:56:25 +0200
From: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To: Rob Herring <robh@...nel.org>
Cc: linuxarm@...wei.com, mauro.chehab@...wei.com,
Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
Binghui Wang <wangbinghui@...ilicon.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
Jingoo Han <jingoohan1@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Xiaowei Song <songxiaowei@...ilicon.com>,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-pci@...r.kernel.org
Subject: [PATCH 2/5] dt-bindings: PCI: kirin: convert kirin-pcie.txt to yaml
Convert the file into a JSON description at the yaml format.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
.../bindings/pci/hisilicon,kirin-pcie.yaml | 86 +++++++++++++++++++
.../devicetree/bindings/pci/kirin-pcie.txt | 50 -----------
.../devicetree/bindings/pci/snps,dw-pcie.yaml | 2 +-
MAINTAINERS | 2 +-
4 files changed, 88 insertions(+), 52 deletions(-)
create mode 100644 Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
delete mode 100644 Documentation/devicetree/bindings/pci/kirin-pcie.txt
diff --git a/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml b/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
new file mode 100644
index 000000000000..90cab09e8d4b
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
@@ -0,0 +1,86 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/hisilicon,kirin-pcie.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HiSilicon Kirin SoCs PCIe host DT description
+
+maintainers:
+ - Xiaowei Song <songxiaowei@...ilicon.com>
+ - Binghui Wang <wangbinghui@...ilicon.com>
+
+description: |
+ Kirin PCIe host controller is based on the Synopsys DesignWare PCI core.
+ It shares common functions with the PCIe DesignWare core driver and
+ inherits common properties defined in
+ Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml.
+
+allOf:
+ - $ref: /schemas/pci/snps,dw-pcie.yaml#
+
+properties:
+ compatible:
+ contains:
+ enum:
+ - hisilicon,kirin960-pcie
+
+ reg:
+ description: |
+ Should contain dbi, apb, config registers location and length.
+ For HiKey960, it should also contain phy.
+ minItems: 3
+ maxItems: 4
+
+ reg-names:
+ minItems: 3
+ maxItems: 4
+
+required:
+ - compatible
+ - reg
+ - reg-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/clock/hi3660-clock.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ pcie@...00000 {
+ compatible = "hisilicon,kirin960-pcie";
+ reg = <0x0 0xf4000000 0x0 0x1000>,
+ <0x0 0xff3fe000 0x0 0x1000>,
+ <0x0 0xf3f20000 0x0 0x40000>,
+ <0x0 0xf5000000 0x0 0x2000>;
+ reg-names = "dbi", "apb", "phy", "config";
+ bus-range = <0x0 0x1>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ ranges = <0x02000000 0x0 0x00000000
+ 0x0 0xf6000000
+ 0x0 0x02000000>;
+ num-lanes = <1>;
+ #interrupt-cells = <1>;
+ interrupts = <0 283 4>;
+ interrupt-names = "msi";
+ interrupt-map-mask = <0xf800 0 0 7>;
+ interrupt-map = <0x0 0 0 1 &gic GIC_SPI 282 IRQ_TYPE_LEVEL_HIGH>,
+ <0x0 0 0 2 &gic GIC_SPI 283 IRQ_TYPE_LEVEL_HIGH>,
+ <0x0 0 0 3 &gic GIC_SPI 284 IRQ_TYPE_LEVEL_HIGH>,
+ <0x0 0 0 4 &gic GIC_SPI 285 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&crg_ctrl HI3660_PCIEPHY_REF>,
+ <&crg_ctrl HI3660_CLK_GATE_PCIEAUX>,
+ <&crg_ctrl HI3660_PCLK_GATE_PCIE_PHY>,
+ <&crg_ctrl HI3660_PCLK_GATE_PCIE_SYS>,
+ <&crg_ctrl HI3660_ACLK_GATE_PCIE>;
+ clock-names = "pcie_phy_ref", "pcie_aux", "pcie_apb_phy",
+ "pcie_apb_sys", "pcie_aclk";
+ };
+ };
diff --git a/Documentation/devicetree/bindings/pci/kirin-pcie.txt b/Documentation/devicetree/bindings/pci/kirin-pcie.txt
deleted file mode 100644
index 7adab8999a6a..000000000000
--- a/Documentation/devicetree/bindings/pci/kirin-pcie.txt
+++ /dev/null
@@ -1,50 +0,0 @@
-HiSilicon Kirin SoCs PCIe host DT description
-
-Kirin PCIe host controller is based on the Synopsys DesignWare PCI core.
-It shares common functions with the PCIe DesignWare core driver and
-inherits common properties defined in
-Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml.
-
-Additional properties are described here:
-
-Required properties
-- compatible:
- "hisilicon,kirin960-pcie"
-- reg: Should contain rc_dbi, apb, phy, config registers location and length.
-- reg-names: Must include the following entries:
- "dbi": controller configuration registers;
- "apb": apb Ctrl register defined by Kirin;
- "phy": apb PHY register defined by Kirin;
- "config": PCIe configuration space registers.
-- reset-gpios: The GPIO to generate PCIe PERST# assert and deassert signal.
-
-Optional properties:
-
-Example based on kirin960:
-
- pcie@...00000 {
- compatible = "hisilicon,kirin960-pcie";
- reg = <0x0 0xf4000000 0x0 0x1000>, <0x0 0xff3fe000 0x0 0x1000>,
- <0x0 0xf3f20000 0x0 0x40000>, <0x0 0xF4000000 0 0x2000>;
- reg-names = "dbi","apb","phy", "config";
- bus-range = <0x0 0x1>;
- #address-cells = <3>;
- #size-cells = <2>;
- device_type = "pci";
- ranges = <0x02000000 0x0 0x00000000 0x0 0xf5000000 0x0 0x2000000>;
- num-lanes = <1>;
- #interrupt-cells = <1>;
- interrupt-map-mask = <0xf800 0 0 7>;
- interrupt-map = <0x0 0 0 1 &gic 0 0 0 282 4>,
- <0x0 0 0 2 &gic 0 0 0 283 4>,
- <0x0 0 0 3 &gic 0 0 0 284 4>,
- <0x0 0 0 4 &gic 0 0 0 285 4>;
- clocks = <&crg_ctrl HI3660_PCIEPHY_REF>,
- <&crg_ctrl HI3660_CLK_GATE_PCIEAUX>,
- <&crg_ctrl HI3660_PCLK_GATE_PCIE_PHY>,
- <&crg_ctrl HI3660_PCLK_GATE_PCIE_SYS>,
- <&crg_ctrl HI3660_ACLK_GATE_PCIE>;
- clock-names = "pcie_phy_ref", "pcie_aux",
- "pcie_apb_phy", "pcie_apb_sys", "pcie_aclk";
- reset-gpios = <&gpio11 1 0 >;
- };
diff --git a/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml b/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml
index a8c1db879fb9..6c7501b8df01 100644
--- a/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/snps,dw-pcie.yaml
@@ -34,7 +34,7 @@ properties:
minItems: 2
maxItems: 5
items:
- enum: [dbi, dbi2, config, atu, app, elbi, mgmt, ctrl, parf, cfg, link]
+ enum: [dbi, dbi2, config, atu, apb, app, elbi, mgmt, ctrl, parf, cfg, link, phy]
num-lanes:
description: |
diff --git a/MAINTAINERS b/MAINTAINERS
index 672299764ec7..3e2d849b4f7d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14413,7 +14413,7 @@ M: Xiaowei Song <songxiaowei@...ilicon.com>
M: Binghui Wang <wangbinghui@...ilicon.com>
L: linux-pci@...r.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/pci/kirin-pcie.txt
+F: Documentation/devicetree/bindings/pci/hisilicon,kirin-pcie.yaml
F: drivers/pci/controller/dwc/pcie-kirin.c
PCIE DRIVER FOR HISILICON STB
--
2.31.1
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