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Date: Fri, 17 Apr 2020 17:13:19 +0530
From: Kishon Vijay Abraham I <kishon@...com>
To: Tom Joseph <tjoseph@...ence.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Rob Herring <robh+dt@...nel.org>,
Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Andrew Murray <amurray@...goodpenguin.co.uk>
CC: <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH v2 1/4] dt-bindings: PCI: cadence: Deprecate inbound/outbound specific bindings
Deprecate cdns,max-outbound-regions and cdns,no-bar-match-nbits for
host mode as both these could be derived from "ranges" and "dma-ranges"
property. "cdns,max-outbound-regions" property would still be required
for EP mode.
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
.../bindings/pci/cdns,cdns-pcie-ep.yaml | 2 +-
.../bindings/pci/cdns,cdns-pcie-host.yaml | 3 +--
.../devicetree/bindings/pci/cdns-pcie-ep.yaml | 25 +++++++++++++++++++
.../bindings/pci/cdns-pcie-host.yaml | 10 ++++++++
.../devicetree/bindings/pci/cdns-pcie.yaml | 8 ------
5 files changed, 37 insertions(+), 11 deletions(-)
create mode 100644 Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml
diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml
index 2996f8d4777c..50ce5d79d2c7 100644
--- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.yaml
@@ -10,7 +10,7 @@ maintainers:
- Tom Joseph <tjoseph@...ence.com>
allOf:
- - $ref: "cdns-pcie.yaml#"
+ - $ref: "cdns-pcie-ep.yaml#"
- $ref: "pci-ep.yaml#"
properties:
diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml
index cabbe46ff578..84a8f095d031 100644
--- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml
+++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-host.yaml
@@ -45,8 +45,6 @@ examples:
#size-cells = <2>;
bus-range = <0x0 0xff>;
linux,pci-domain = <0>;
- cdns,max-outbound-regions = <16>;
- cdns,no-bar-match-nbits = <32>;
vendor-id = <0x17cd>;
device-id = <0x0200>;
@@ -57,6 +55,7 @@ examples:
ranges = <0x02000000 0x0 0x42000000 0x0 0x42000000 0x0 0x1000000>,
<0x01000000 0x0 0x43000000 0x0 0x43000000 0x0 0x0010000>;
+ dma-ranges = <0x02000000 0x0 0x0 0x0 0x0 0x1 0x00000000>;
#interrupt-cells = <0x1>;
diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml
new file mode 100644
index 000000000000..6150a7a7bdbf
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/cdns-pcie-ep.yaml
@@ -0,0 +1,25 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/pci/cdns-pcie-ep.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Cadence PCIe Device
+
+maintainers:
+ - Tom Joseph <tjoseph@...ence.com>
+
+allOf:
+ - $ref: "cdns-pcie.yaml#"
+
+properties:
+ cdns,max-outbound-regions:
+ description: maximum number of outbound regions
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1
+ maximum: 32
+ default: 32
+
+required:
+ - cdns,max-outbound-regions
diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml
index ab6e43b636ec..3d64f85aeb39 100644
--- a/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml
+++ b/Documentation/devicetree/bindings/pci/cdns-pcie-host.yaml
@@ -14,6 +14,15 @@ allOf:
- $ref: "cdns-pcie.yaml#"
properties:
+ cdns,max-outbound-regions:
+ description: maximum number of outbound regions
+ allOf:
+ - $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1
+ maximum: 32
+ default: 32
+ deprecated: true
+
cdns,no-bar-match-nbits:
description:
Set into the no BAR match register to configure the number of least
@@ -23,5 +32,6 @@ properties:
minimum: 0
maximum: 64
default: 32
+ deprecated: true
msi-parent: true
diff --git a/Documentation/devicetree/bindings/pci/cdns-pcie.yaml b/Documentation/devicetree/bindings/pci/cdns-pcie.yaml
index 6887ccc339cc..02553d5e6c51 100644
--- a/Documentation/devicetree/bindings/pci/cdns-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/cdns-pcie.yaml
@@ -10,14 +10,6 @@ maintainers:
- Tom Joseph <tjoseph@...ence.com>
properties:
- cdns,max-outbound-regions:
- description: maximum number of outbound regions
- allOf:
- - $ref: /schemas/types.yaml#/definitions/uint32
- minimum: 1
- maximum: 32
- default: 32
-
phys:
description:
One per lane if more than one in the list. If only one PHY listed it must
--
2.17.1
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