linux-kernel - [PATCH v3 1/4] dt-bindings: Add bindings for peci-npcm

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Message-Id: <20230727202126.1477515-2-iwona.winiarska@intel.com>
Date:   Thu, 27 Jul 2023 22:21:23 +0200
From:   Iwona Winiarska <iwona.winiarska@...el.com>
To:     openbmc@...ts.ozlabs.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Avi Fishman <avifishman70@...il.com>,
        Tomer Maimon <tmaimon77@...il.com>,
        Patrick Venture <venture@...gle.com>,
        Nancy Yuen <yuenn@...gle.com>,
        Benjamin Fair <benjaminfair@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Tyrone Ting <warp5tw@...il.com>,
        Iwona Winiarska <iwona.winiarska@...el.com>
Subject: [PATCH v3 1/4] dt-bindings: Add bindings for peci-npcm

From: Tomer Maimon <tmaimon77@...il.com>

Add device tree bindings for the peci-npcm controller driver.

Signed-off-by: Tomer Maimon <tmaimon77@...il.com>
Signed-off-by: Tyrone Ting <warp5tw@...il.com>
Co-developed-by: Iwona Winiarska <iwona.winiarska@...el.com>
Signed-off-by: Iwona Winiarska <iwona.winiarska@...el.com>
---
Changes v2 -> v3:

* Fixed dt_binding_check error (Rob)

Changes v1 -> v2:

* Renamed binding filename to match compatible (Krzysztof)
---
 .../bindings/peci/nuvoton,npcm-peci.yaml      | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/peci/nuvoton,npcm-peci.yaml

diff --git a/Documentation/devicetree/bindings/peci/nuvoton,npcm-peci.yaml b/Documentation/devicetree/bindings/peci/nuvoton,npcm-peci.yaml
new file mode 100644
index 000000000000..087e02a9ade3
--- /dev/null
+++ b/Documentation/devicetree/bindings/peci/nuvoton,npcm-peci.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/peci/nuvoton,npcm-peci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton PECI Bus
+
+maintainers:
+  - Tomer Maimon <tmaimon77@...il.com>
+
+allOf:
+  - $ref: peci-controller.yaml#
+
+properties:
+  compatible:
+    enum:
+      - nuvoton,npcm750-peci
+      - nuvoton,npcm845-peci
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    description:
+      Clock source for PECI controller. Should reference the APB clock.
+    maxItems: 1
+
+  cmd-timeout-ms:
+    minimum: 1
+    maximum: 1000
+    default: 1000
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/nuvoton,npcm7xx-clock.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    peci-controller@...00000 {
+      compatible = "nuvoton,npcm750-peci";
+      reg = <0xf0100000 0x200>;
+      interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
+      clocks = <&clk NPCM7XX_CLK_APB3>;
+      cmd-timeout-ms = <1000>;
+    };
+...
-- 
2.40.1