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Message-Id: <20191231193903.15929-1-robh@kernel.org>
Date: Tue, 31 Dec 2019 12:39:01 -0700
From: Rob Herring <robh@...nel.org>
To: devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
Bjorn Helgaas <bhelgaas@...gle.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Andrew Murray <andrew.murray@....com>,
Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v2 1/3] dt-bindings: PCI: Convert Arm Versatile binding to DT schema
Convert the Arm Versatile PCI host binding to a DT schema.
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc: Andrew Murray <andrew.murray@....com>
Acked-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Rob Herring <robh@...nel.org>
---
v2: no change
.../devicetree/bindings/pci/versatile.txt | 59 ------------
.../devicetree/bindings/pci/versatile.yaml | 92 +++++++++++++++++++
MAINTAINERS | 2 +-
3 files changed, 93 insertions(+), 60 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/pci/versatile.txt
create mode 100644 Documentation/devicetree/bindings/pci/versatile.yaml
diff --git a/Documentation/devicetree/bindings/pci/versatile.txt b/Documentation/devicetree/bindings/pci/versatile.txt
deleted file mode 100644
index 0a702b13d2ac..000000000000
--- a/Documentation/devicetree/bindings/pci/versatile.txt
+++ /dev/null
@@ -1,59 +0,0 @@
-* ARM Versatile Platform Baseboard PCI interface
-
-PCI host controller found on the ARM Versatile PB board's FPGA.
-
-Required properties:
-- compatible: should contain "arm,versatile-pci" to identify the Versatile PCI
- controller.
-- reg: base addresses and lengths of the PCI controller. There must be 3
- entries:
- - Versatile-specific registers
- - Self Config space
- - Config space
-- #address-cells: set to <3>
-- #size-cells: set to <2>
-- device_type: set to "pci"
-- bus-range: set to <0 0xff>
-- ranges: ranges for the PCI memory and I/O regions
-- #interrupt-cells: set to <1>
-- interrupt-map-mask and interrupt-map: standard PCI properties to define
- the mapping of the PCI interface to interrupt numbers.
-
-Example:
-
-pci-controller@...01000 {
- compatible = "arm,versatile-pci";
- device_type = "pci";
- reg = <0x10001000 0x1000
- 0x41000000 0x10000
- 0x42000000 0x100000>;
- bus-range = <0 0xff>;
- #address-cells = <3>;
- #size-cells = <2>;
- #interrupt-cells = <1>;
-
- ranges = <0x01000000 0 0x00000000 0x43000000 0 0x00010000 /* downstream I/O */
- 0x02000000 0 0x50000000 0x50000000 0 0x10000000 /* non-prefetchable memory */
- 0x42000000 0 0x60000000 0x60000000 0 0x10000000>; /* prefetchable memory */
-
- interrupt-map-mask = <0x1800 0 0 7>;
- interrupt-map = <0x1800 0 0 1 &sic 28
- 0x1800 0 0 2 &sic 29
- 0x1800 0 0 3 &sic 30
- 0x1800 0 0 4 &sic 27
-
- 0x1000 0 0 1 &sic 27
- 0x1000 0 0 2 &sic 28
- 0x1000 0 0 3 &sic 29
- 0x1000 0 0 4 &sic 30
-
- 0x0800 0 0 1 &sic 30
- 0x0800 0 0 2 &sic 27
- 0x0800 0 0 3 &sic 28
- 0x0800 0 0 4 &sic 29
-
- 0x0000 0 0 1 &sic 29
- 0x0000 0 0 2 &sic 30
- 0x0000 0 0 3 &sic 27
- 0x0000 0 0 4 &sic 28>;
-};
diff --git a/Documentation/devicetree/bindings/pci/versatile.yaml b/Documentation/devicetree/bindings/pci/versatile.yaml
new file mode 100644
index 000000000000..07a48c27db1f
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/versatile.yaml
@@ -0,0 +1,92 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/versatile.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ARM Versatile Platform Baseboard PCI interface
+
+maintainers:
+ - Rob Herring <robh@...nel.org>
+
+description: |+
+ PCI host controller found on the ARM Versatile PB board's FPGA.
+
+allOf:
+ - $ref: /schemas/pci/pci-bus.yaml#
+
+properties:
+ compatible:
+ const: arm,versatile-pci
+
+ reg:
+ items:
+ - description: Versatile-specific registers
+ - description: Self Config space
+ - description: Config space
+
+ ranges:
+ maxItems: 3
+
+ "#interrupt-cells": true
+
+ interrupt-map:
+ maxItems: 16
+
+ interrupt-map-mask:
+ items:
+ - const: 0x1800
+ - const: 0
+ - const: 0
+ - const: 7
+
+required:
+ - compatible
+ - reg
+ - ranges
+ - "#interrupt-cells"
+ - interrupt-map
+ - interrupt-map-mask
+
+examples:
+ - |
+ pci@...01000 {
+ compatible = "arm,versatile-pci";
+ device_type = "pci";
+ reg = <0x10001000 0x1000>,
+ <0x41000000 0x10000>,
+ <0x42000000 0x100000>;
+ bus-range = <0 0xff>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ #interrupt-cells = <1>;
+
+ ranges =
+ <0x01000000 0 0x00000000 0x43000000 0 0x00010000>, /* downstream I/O */
+ <0x02000000 0 0x50000000 0x50000000 0 0x10000000>, /* non-prefetchable memory */
+ <0x42000000 0 0x60000000 0x60000000 0 0x10000000>; /* prefetchable memory */
+
+ interrupt-map-mask = <0x1800 0 0 7>;
+ interrupt-map = <0x1800 0 0 1 &sic 28>,
+ <0x1800 0 0 2 &sic 29>,
+ <0x1800 0 0 3 &sic 30>,
+ <0x1800 0 0 4 &sic 27>,
+
+ <0x1000 0 0 1 &sic 27>,
+ <0x1000 0 0 2 &sic 28>,
+ <0x1000 0 0 3 &sic 29>,
+ <0x1000 0 0 4 &sic 30>,
+
+ <0x0800 0 0 1 &sic 30>,
+ <0x0800 0 0 2 &sic 27>,
+ <0x0800 0 0 3 &sic 28>,
+ <0x0800 0 0 4 &sic 29>,
+
+ <0x0000 0 0 1 &sic 29>,
+ <0x0000 0 0 2 &sic 30>,
+ <0x0000 0 0 3 &sic 27>,
+ <0x0000 0 0 4 &sic 28>;
+ };
+
+
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index cc0a4a8ae06a..1072745a8fda 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -12580,7 +12580,7 @@ M: Rob Herring <robh@...nel.org>
L: linux-pci@...r.kernel.org
L: linux-arm-kernel@...ts.infradead.org
S: Maintained
-F: Documentation/devicetree/bindings/pci/versatile.txt
+F: Documentation/devicetree/bindings/pci/versatile.yaml
F: drivers/pci/controller/pci-versatile.c
PCI DRIVER FOR ARMADA 8K
--
2.20.1
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