linux-kernel - [PATCH 6/9] dt-bindings: pci: Add fsl,mpc83xx-pcie bindings

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Message-Id: <20250126-ppcyaml-v1-6-50649f51c3dd@posteo.net>
Date: Sun, 26 Jan 2025 19:59:01 +0100
From: J. Neuschäfer via B4 Relay <devnull+j.ne.posteo.net@...nel.org>
To: devicetree@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Cc: Scott Wood <oss@...error.net>, 
 Madhavan Srinivasan <maddy@...ux.ibm.com>, 
 Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>, 
 Christophe Leroy <christophe.leroy@...roup.eu>, 
 Naveen N Rao <naveen@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Damien Le Moal <dlemoal@...nel.org>, 
 Niklas Cassel <cassel@...nel.org>, Herbert Xu <herbert@...dor.apana.org.au>, 
 "David S. Miller" <davem@...emloft.net>, Lee Jones <lee@...nel.org>, 
 Vinod Koul <vkoul@...nel.org>, Lorenzo Pieralisi <lpieralisi@...nel.org>, 
 Krzysztof Wilczyński <kw@...ux.com>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, 
 Bjorn Helgaas <bhelgaas@...gle.com>, 
 J. Neuschäfer <j.neuschaefer@....net>, 
 Wim Van Sebroeck <wim@...ux-watchdog.org>, 
 Guenter Roeck <linux@...ck-us.net>, Mark Brown <broonie@...nel.org>, 
 Miquel Raynal <miquel.raynal@...tlin.com>, 
 Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>, 
 linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org, 
 linux-crypto@...r.kernel.org, dmaengine@...r.kernel.org, 
 linux-pci@...r.kernel.org, linux-watchdog@...r.kernel.org, 
 linux-spi@...r.kernel.org, linux-mtd@...ts.infradead.org, 
 J. Neuschäfer <j.ne@...teo.net>
Subject: [PATCH 6/9] dt-bindings: pci: Add fsl,mpc83xx-pcie bindings

From: "J. Neuschäfer" <j.ne@...teo.net>

Supplement Documentation/devicetree/bindings/pci/fsl,pci.txt with a more
formal binding in YAML format.

Signed-off-by: J. Neuschäfer <j.ne@...teo.net>
---
 .../devicetree/bindings/pci/fsl,mpc8xxx-pci.yaml   | 83 ++++++++++++++++++++++
 1 file changed, 83 insertions(+)

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..12e86a9c20dfe2362d11f085bd9ae47238c4a37f
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/fsl,mpc8xxx-pci.yaml
@@ -0,0 +1,83 @@
+# 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
+
+maintainers:
+  - J. Neuschäfer <j.neuschaefer@....net>
+
+allOf:
+  - $ref: /schemas/pci/pci-host-bridge.yaml#
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - fsl,mpc8308-pcie
+              - fsl,mpc8315-pcie
+              - fsl,mpc8377-pcie
+              - fsl,mpc8378-pcie
+          - const: fsl,mpc8314-pcie
+      - const: fsl,mpc8314-pcie
+      - items:
+          - const: fsl,mpc8360-pci
+          - const: fsl,mpc8349-pci
+      - const: fsl,mpc8349-pci
+      - items:
+          - const: fsl,mpc8540-pcix
+          - const: fsl,mpc8540-pci
+      - const: fsl,mpc8540-pci
+      - items:
+          - const: fsl,mpc8540-pcix
+          - const: fsl,mpc8540-pci
+      - const: fsl,mpc8548-pcie
+      - const: fsl,mpc8548-pcie
+      - const: fsl,mpc8641-pcie
+
+  reg:
+    minItems: 1
+    items:
+      - description: internal registers
+      - description: config space access registers
+
+  clock-frequency:
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+required:
+  - reg
+  - compatible
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    pci1: pcie@...09000 {
+        #address-cells = <3>;
+        #size-cells = <2>;
+        #interrupt-cells = <1>;
+        device_type = "pci";
+        compatible = "fsl,mpc8315-pcie", "fsl,mpc8314-pcie";
+        reg = <0xe0009000 0x00001000>;
+        ranges = <0x02000000 0 0xa0000000 0xa0000000 0 0x10000000
+                  0x01000000 0 0x00000000 0xb1000000 0 0x00800000>;
+        bus-range = <0 255>;
+        interrupt-map-mask = <0xf800 0 0 7>;
+        interrupt-map = <0 0 0 1 &ipic 1 IRQ_TYPE_LEVEL_LOW
+                         0 0 0 2 &ipic 1 IRQ_TYPE_LEVEL_LOW
+                         0 0 0 3 &ipic 1 IRQ_TYPE_LEVEL_LOW
+                         0 0 0 4 &ipic 1 IRQ_TYPE_LEVEL_LOW>;
+        clock-frequency = <0>;
+    };
+
+...

-- 
2.48.0.rc1.219.gb6b6757d772