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Message-Id: <7f4c4bad9aa7d7a1d5a6b78f4bf3a4e7c542c7f9.1523973931.git.gustavo.pimentel@synopsys.com>
Date: Tue, 17 Apr 2018 15:34:19 +0100
From: Gustavo Pimentel <gustavo.pimentel@...opsys.com>
To: bhelgaas@...gle.com, lorenzo.pieralisi@....com,
Joao.Pinto@...opsys.com, jingoohan1@...il.com, kishon@...com,
robh+dt@...nel.org, mark.rutland@....com
Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, gustavo.pimentel@...opsys.com
Subject: [PATCH v5 01/10] bindings: PCI: designware: Example update
Replaces "ctrlreg" reg-name by "dbi" to be coherent with similar drivers,
however it still be compatible with any previous DT that uses the old
reg-name.
Replaces the PCIe base address example by a real PCIe base address in use.
Signed-off-by: Gustavo Pimentel <gustavo.pimentel@...opsys.com>
---
Changes v1->v2:
- Removed any iATU reference or changes to avoid confusion.
- Add "snps,dw-pcie" compatible string following Kishon's suggestion.
Changes v2->v3:
- Nothing changed, just to follow the patch set version.
Changes v3->v4:
- Reverted "snps,dw-pcie-rc" compatible string requested by Rob Herring.
Changes v4->v5:
- Nothing changed, just to follow the patch set version.
Documentation/devicetree/bindings/pci/designware-pcie.txt | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
index 1da7ade..7f9804d 100644
--- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
@@ -1,7 +1,8 @@
* Synopsys DesignWare PCIe interface
Required properties:
-- compatible: should contain "snps,dw-pcie" to identify the core.
+- compatible:
+ "snps,dw-pcie" for RC mode;
- reg: Should contain the configuration address space.
- reg-names: Must be "config" for the PCIe configuration space.
(The old way of getting the configuration address space from "ranges"
@@ -41,11 +42,11 @@ EP mode:
Example configuration:
- pcie: pcie@...ff000 {
+ pcie: pcie@...00000 {
compatible = "snps,dw-pcie";
- reg = <0xdffff000 0x1000>, /* Controller registers */
- <0xd0000000 0x2000>; /* PCI config space */
- reg-names = "ctrlreg", "config";
+ reg = <0xdfc00000 0x0001000>, /* IP registers */
+ <0xd0000000 0x0002000>; /* Configuration space */
+ reg-names = "dbi", "config";
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
@@ -54,5 +55,4 @@ Example configuration:
interrupts = <25>, <24>;
#interrupt-cells = <1>;
num-lanes = <1>;
- num-viewport = <3>;
};
--
2.7.4
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