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Message-ID: <20250828223023.2409337-1-robh@kernel.org>
Date: Thu, 28 Aug 2025 17:30:21 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Khuong Dinh <khuong@...amperecomputing.com>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>
Cc: devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH] dt-bindings: edac: Convert apm,xgene-edac to DT schema
Convert the APM XGene EDAC binding to DT schema. Add the missing
"apm,xgene-edac-soc" compatible, and drop the unused
"apm,xgene-edac-pmd-v2" compatible.
Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
.../bindings/edac/apm,xgene-edac.yaml | 203 ++++++++++++++++++
.../bindings/edac/apm-xgene-edac.txt | 112 ----------
MAINTAINERS | 2 +-
3 files changed, 204 insertions(+), 113 deletions(-)
create mode 100644 Documentation/devicetree/bindings/edac/apm,xgene-edac.yaml
delete mode 100644 Documentation/devicetree/bindings/edac/apm-xgene-edac.txt
diff --git a/Documentation/devicetree/bindings/edac/apm,xgene-edac.yaml b/Documentation/devicetree/bindings/edac/apm,xgene-edac.yaml
new file mode 100644
index 000000000000..9afc78254cc0
--- /dev/null
+++ b/Documentation/devicetree/bindings/edac/apm,xgene-edac.yaml
@@ -0,0 +1,203 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/edac/apm,xgene-edac.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: APM X-Gene SoC EDAC
+
+maintainers:
+ - Khuong Dinh <khuong@...amperecomputing.com>
+
+description: >
+ EDAC node is defined to describe on-chip error detection and correction.
+
+ The following error types are supported:
+
+ memory controller - Memory controller
+ PMD (L1/L2) - Processor module unit (PMD) L1/L2 cache
+ L3 - L3 cache controller
+ SoC - SoC IPs such as Ethernet, SATA, etc
+
+properties:
+ compatible:
+ const: apm,xgene-edac
+
+ reg:
+ items:
+ - description: CPU bus (PCP) resource
+
+ '#address-cells':
+ const: 2
+
+ '#size-cells':
+ const: 2
+
+ ranges: true
+
+ interrupts:
+ description: Interrupt-specifier for MCU, PMD, L3, or SoC error IRQ(s).
+ items:
+ - description: MCU error IRQ
+ - description: PMD error IRQ
+ - description: L3 error IRQ
+ - description: SoC error IRQ
+ minItems: 1
+
+ regmap-csw:
+ description: Regmap of the CPU switch fabric (CSW) resource.
+ $ref: /schemas/types.yaml#/definitions/phandle
+
+ regmap-mcba:
+ description: Regmap of the MCB-A (memory bridge) resource.
+ $ref: /schemas/types.yaml#/definitions/phandle
+
+ regmap-mcbb:
+ description: Regmap of the MCB-B (memory bridge) resource.
+ $ref: /schemas/types.yaml#/definitions/phandle
+
+ regmap-efuse:
+ description: Regmap of the PMD efuse resource.
+ $ref: /schemas/types.yaml#/definitions/phandle
+
+ regmap-rb:
+ description: Regmap of the register bus resource (optional for compatibility).
+ $ref: /schemas/types.yaml#/definitions/phandle
+
+required:
+ - compatible
+ - regmap-csw
+ - regmap-mcba
+ - regmap-mcbb
+ - regmap-efuse
+ - reg
+ - interrupts
+
+# Child-node bindings
+patternProperties:
+ '^edacmc@':
+ description: Memory controller subnode
+ type: object
+ additionalProperties: false
+
+ properties:
+ compatible:
+ const: apm,xgene-edac-mc
+
+ reg:
+ maxItems: 1
+
+ memory-controller:
+ description: Instance number of the memory controller.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ maximum: 3
+
+ required:
+ - compatible
+ - reg
+ - memory-controller
+
+
+ '^edacpmd@':
+ description: PMD subnode
+ type: object
+ additionalProperties: false
+
+ properties:
+ compatible:
+ const: apm,xgene-edac-pmd
+
+ reg:
+ maxItems: 1
+
+ pmd-controller:
+ description: Instance number of the PMD controller.
+ $ref: /schemas/types.yaml#/definitions/uint32
+ maximum: 3
+
+ required:
+ - compatible
+ - reg
+ - pmd-controller
+
+ '^edacl3@':
+ description: L3 subnode
+ type: object
+ additionalProperties: false
+
+ properties:
+ compatible:
+ enum:
+ - apm,xgene-edac-l3
+ - apm,xgene-edac-l3-v2
+
+ reg:
+ maxItems: 1
+
+ required:
+ - compatible
+ - reg
+
+ '^edacsoc@':
+ description: SoC subnode
+ type: object
+ additionalProperties: false
+
+ properties:
+ compatible:
+ enum:
+ - apm,xgene-edac-soc
+ - apm,xgene-edac-soc-v1
+
+ reg:
+ maxItems: 1
+
+ required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ edac@...00000 {
+ compatible = "apm,xgene-edac";
+ reg = <0x0 0x78800000 0x0 0x100>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ interrupts = <0x0 0x20 0x4>, <0x0 0x21 0x4>, <0x0 0x27 0x4>;
+
+ regmap-csw = <&csw>;
+ regmap-mcba = <&mcba>;
+ regmap-mcbb = <&mcbb>;
+ regmap-efuse = <&efuse>;
+ regmap-rb = <&rb>;
+
+ edacmc@...00000 {
+ compatible = "apm,xgene-edac-mc";
+ reg = <0x0 0x7e800000 0x0 0x1000>;
+ memory-controller = <0>;
+ };
+
+ edacpmd@...00000 {
+ compatible = "apm,xgene-edac-pmd";
+ reg = <0x0 0x7c000000 0x0 0x200000>;
+ pmd-controller = <0>;
+ };
+
+ edacl3@...00000 {
+ compatible = "apm,xgene-edac-l3";
+ reg = <0x0 0x7e600000 0x0 0x1000>;
+ };
+
+ edacsoc@...30000 {
+ compatible = "apm,xgene-edac-soc-v1";
+ reg = <0x0 0x7e930000 0x0 0x1000>;
+ };
+ };
+ };
diff --git a/Documentation/devicetree/bindings/edac/apm-xgene-edac.txt b/Documentation/devicetree/bindings/edac/apm-xgene-edac.txt
deleted file mode 100644
index 1006b0489464..000000000000
--- a/Documentation/devicetree/bindings/edac/apm-xgene-edac.txt
+++ /dev/null
@@ -1,112 +0,0 @@
-* APM X-Gene SoC EDAC node
-
-EDAC node is defined to describe on-chip error detection and correction.
-The follow error types are supported:
-
- memory controller - Memory controller
- PMD (L1/L2) - Processor module unit (PMD) L1/L2 cache
- L3 - L3 cache controller
- SoC - SoC IP's such as Ethernet, SATA, and etc
-
-The following section describes the EDAC DT node binding.
-
-Required properties:
-- compatible : Shall be "apm,xgene-edac".
-- regmap-csw : Regmap of the CPU switch fabric (CSW) resource.
-- regmap-mcba : Regmap of the MCB-A (memory bridge) resource.
-- regmap-mcbb : Regmap of the MCB-B (memory bridge) resource.
-- regmap-efuse : Regmap of the PMD efuse resource.
-- regmap-rb : Regmap of the register bus resource. This property
- is optional only for compatibility. If the RB
- error conditions are not cleared, it will
- continuously generate interrupt.
-- reg : First resource shall be the CPU bus (PCP) resource.
-- interrupts : Interrupt-specifier for MCU, PMD, L3, or SoC error
- IRQ(s).
-
-Required properties for memory controller subnode:
-- compatible : Shall be "apm,xgene-edac-mc".
-- reg : First resource shall be the memory controller unit
- (MCU) resource.
-- memory-controller : Instance number of the memory controller.
-
-Required properties for PMD subnode:
-- compatible : Shall be "apm,xgene-edac-pmd" or
- "apm,xgene-edac-pmd-v2".
-- reg : First resource shall be the PMD resource.
-- pmd-controller : Instance number of the PMD controller.
-
-Required properties for L3 subnode:
-- compatible : Shall be "apm,xgene-edac-l3" or
- "apm,xgene-edac-l3-v2".
-- reg : First resource shall be the L3 EDAC resource.
-
-Required properties for SoC subnode:
-- compatible : Shall be "apm,xgene-edac-soc-v1" for revision 1 or
- "apm,xgene-edac-l3-soc" for general value reporting
- only.
-- reg : First resource shall be the SoC EDAC resource.
-
-Example:
- csw: csw@...00000 {
- compatible = "apm,xgene-csw", "syscon";
- reg = <0x0 0x7e200000 0x0 0x1000>;
- };
-
- mcba: mcba@...00000 {
- compatible = "apm,xgene-mcb", "syscon";
- reg = <0x0 0x7e700000 0x0 0x1000>;
- };
-
- mcbb: mcbb@...20000 {
- compatible = "apm,xgene-mcb", "syscon";
- reg = <0x0 0x7e720000 0x0 0x1000>;
- };
-
- efuse: efuse@...4a000 {
- compatible = "apm,xgene-efuse", "syscon";
- reg = <0x0 0x1054a000 0x0 0x20>;
- };
-
- rb: rb@...00000 {
- compatible = "apm,xgene-rb", "syscon";
- reg = <0x0 0x7e000000 0x0 0x10>;
- };
-
- edac@...00000 {
- compatible = "apm,xgene-edac";
- #address-cells = <2>;
- #size-cells = <2>;
- ranges;
- regmap-csw = <&csw>;
- regmap-mcba = <&mcba>;
- regmap-mcbb = <&mcbb>;
- regmap-efuse = <&efuse>;
- regmap-rb = <&rb>;
- reg = <0x0 0x78800000 0x0 0x100>;
- interrupts = <0x0 0x20 0x4>,
- <0x0 0x21 0x4>,
- <0x0 0x27 0x4>;
-
- edacmc@...00000 {
- compatible = "apm,xgene-edac-mc";
- reg = <0x0 0x7e800000 0x0 0x1000>;
- memory-controller = <0>;
- };
-
- edacpmd@...00000 {
- compatible = "apm,xgene-edac-pmd";
- reg = <0x0 0x7c000000 0x0 0x200000>;
- pmd-controller = <0>;
- };
-
- edacl3@...00000 {
- compatible = "apm,xgene-edac-l3";
- reg = <0x0 0x7e600000 0x0 0x1000>;
- };
-
- edacsoc@...30000 {
- compatible = "apm,xgene-edac-soc-v1";
- reg = <0x0 0x7e930000 0x0 0x1000>;
- };
- };
diff --git a/MAINTAINERS b/MAINTAINERS
index 0428593ce489..9dd234ca0e89 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1878,7 +1878,7 @@ F: arch/arm64/boot/dts/apm/
APPLIED MICRO (APM) X-GENE SOC EDAC
M: Khuong Dinh <khuong@...amperecomputing.com>
S: Supported
-F: Documentation/devicetree/bindings/edac/apm-xgene-edac.txt
+F: Documentation/devicetree/bindings/edac/apm,xgene-edac.yaml
F: drivers/edac/xgene_edac.c
APPLIED MICRO (APM) X-GENE SOC ETHERNET (V2) DRIVER
--
2.50.1
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