diff mbox series

[v2,2/3] dt-bindings: edac: npcm-edac.yaml

Message ID 20220302092434.16625-3-ctcchien@nuvoton.com (mailing list archive)
State New, archived
Headers show
Series EDAC: nuvoton: Add nuvoton NPCM EDAC driver | expand

Commit Message

Medad Young March 2, 2022, 9:24 a.m. UTC
Add the device tree bindings for the EDAC driver npcm-edac.

Signed-off-by: Medad CChien <ctcchien@nuvoton.com>
---
 .../devicetree/bindings/edac/npcm-edac.yaml   | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/edac/npcm-edac.yaml

Comments

Rob Herring March 2, 2022, 5:50 p.m. UTC | #1
On Wed, Mar 02, 2022 at 05:24:33PM +0800, Medad CChien wrote:
> Add the device tree bindings for the EDAC driver npcm-edac.
> 
> Signed-off-by: Medad CChien <ctcchien@nuvoton.com>
> ---
>  .../devicetree/bindings/edac/npcm-edac.yaml   | 62 +++++++++++++++++++
>  1 file changed, 62 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/edac/npcm-edac.yaml
> 
> diff --git a/Documentation/devicetree/bindings/edac/npcm-edac.yaml b/Documentation/devicetree/bindings/edac/npcm-edac.yaml
> new file mode 100644
> index 000000000000..936e9787ec80
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/edac/npcm-edac.yaml

nuvoton,npcm-memory-controller.yaml

> @@ -0,0 +1,62 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/edac/npcm-edac.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nuvoton NPCM Memory Controller EDAC

Drop 'EDAC'

> +
> +maintainers:
> +  - Medad CChien <ctcchien@nuvoton.com>
> +
> +description: |
> +  The Nuvoton BMC SoC supports DDR4 memory with and without ECC (error
> +  correction check).
> +
> +  The memory controller supports single bit error correction, double bit
> +  error detection (in-line ECC in which a section (1/8th) of the
> +  memory device used to store data is used for ECC storage).
> +
> +  Note, the bootloader must configure ECC mode for the memory controller.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - nuvoton,npcm8xx-memory-controller
> +      - nuvoton,npcm7xx-memory-controller

Don't use wildcards in compatible strings. Use specific SoC.

> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    minItems: 1
> +    items:
> +      - description: uncorrectable error interrupt
> +      - description: correctable error interrupt
> +
> +  interrupt-names:
> +    minItems: 1
> +    items:
> +      - const: ue
> +      - const: ce
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    ahb {
> +        #address-cells = <2>;
> +        #size-cells = <2>;
> +        mc: memory-controller@f0824000 {
> +            compatible = "nuvoton,npcm7xx-memory-controller";
> +            reg = <0x0 0xf0824000 0x0 0x1000>;
> +            interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
> +        };
> +    };
> +
> -- 
> 2.17.1
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/edac/npcm-edac.yaml b/Documentation/devicetree/bindings/edac/npcm-edac.yaml
new file mode 100644
index 000000000000..936e9787ec80
--- /dev/null
+++ b/Documentation/devicetree/bindings/edac/npcm-edac.yaml
@@ -0,0 +1,62 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/edac/npcm-edac.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton NPCM Memory Controller EDAC
+
+maintainers:
+  - Medad CChien <ctcchien@nuvoton.com>
+
+description: |
+  The Nuvoton BMC SoC supports DDR4 memory with and without ECC (error
+  correction check).
+
+  The memory controller supports single bit error correction, double bit
+  error detection (in-line ECC in which a section (1/8th) of the
+  memory device used to store data is used for ECC storage).
+
+  Note, the bootloader must configure ECC mode for the memory controller.
+
+properties:
+  compatible:
+    enum:
+      - nuvoton,npcm8xx-memory-controller
+      - nuvoton,npcm7xx-memory-controller
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    minItems: 1
+    items:
+      - description: uncorrectable error interrupt
+      - description: correctable error interrupt
+
+  interrupt-names:
+    minItems: 1
+    items:
+      - const: ue
+      - const: ce
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    ahb {
+        #address-cells = <2>;
+        #size-cells = <2>;
+        mc: memory-controller@f0824000 {
+            compatible = "nuvoton,npcm7xx-memory-controller";
+            reg = <0x0 0xf0824000 0x0 0x1000>;
+            interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+        };
+    };
+