Re: [PATCH v2 06/12] dt-bindings: pci: Convert fsl,mpc83xx-pcie to YAML
From: J. Neuschäfer <hidden>
Date: 2025-02-09 00:07:09
Also in:
dmaengine, imx, linux-crypto, linux-devicetree, linux-ide, linux-pci, linux-spi, linux-watchdog, lkml
On Fri, Feb 07, 2025 at 10:30:23PM +0100, J. Neuschäfer via B4 Relay wrote:
quoted hunk ↗ jump to hunk
From: "J. Neuschäfer" <redacted> Formalise the binding for the PCI controllers in the Freescale MPC8xxx chip family. Information about PCI-X-specific properties was taken from fsl,pci.txt. The examples were taken from mpc8315erdb.dts and xpedite5200_xmon.dts. Signed-off-by: J. Neuschäfer <redacted> --- V2: - merge fsl,pci.txt into fsl,mpc8xxx-pci.yaml - regroup compatible strings, list single-item values in one enum - trim subject line (remove "binding") - fix property order to comply with dts coding style --- .../devicetree/bindings/pci/fsl,mpc8xxx-pci.yaml | 115 +++++++++++++++++++++ Documentation/devicetree/bindings/pci/fsl,pci.txt | 27 ----- 2 files changed, 115 insertions(+), 27 deletions(-)diff --git a/Documentation/devicetree/bindings/pci/fsl,mpc8xxx-pci.yaml b/Documentation/devicetree/bindings/pci/fsl,mpc8xxx-pci.yaml new file mode 100644 index 0000000000000000000000000000000000000000..57c5503cec47e6e90ed2b09835bfad10309db927 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/fsl,mpc8xxx-pci.yaml@@ -0,0 +1,115 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- + +$id: http://devicetree.org/schemas/pci/fsl,mpc8xxx-pci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale MPC83xx PCI/PCI-X/PCIe controllers + +description: | + Binding for the PCI/PCI-X/PCIe host bridges on MPC8xxx SoCs. + See also: Documentation/devicetree/bindings/pci/fsl,pci.txt
This is obviously a bit wrong; I ended up putting the information from fsl,pci.txt entirely under the fsl,pci-agent-force-enum property, but forgot to remove the reference to the old txt file.
+properties:
[...]
+ fsl,pci-agent-force-enum: + type: boolean + description: + Typically any Freescale PCI-X bridge hardware strapped into Agent mode is + prevented from enumerating the bus. The PrPMC form-factor requires all + mezzanines to be PCI-X Agents, but one per system may still enumerate the + bus. + + This property allows a PCI-X bridge to be used for bus enumeration + despite being strapped into Agent mode. + +required: + - reg + - compatible