linux-kernel - [PATCH v4 1/2] dt-bindings: soc: ti: add binding for k3 platforms chipid module

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Message-ID: <20200512123449.16517-2-grygorii.strashko@ti.com>
Date:   Tue, 12 May 2020 15:34:48 +0300
From:   Grygorii Strashko <grygorii.strashko@...com>
To:     Santosh Shilimkar <ssantosh@...nel.org>,
        Tero Kristo <t-kristo@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Lokesh Vutla <lokeshvutla@...com>,
        <devicetree@...r.kernel.org>, Arnd Bergmann <arnd@...db.de>
CC:     Dave Gerlach <d-gerlach@...com>, Sekhar Nori <nsekhar@...com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Nishanth Menon <nm@...com>,
        Grygorii Strashko <grygorii.strashko@...com>
Subject: [PATCH v4 1/2] dt-bindings: soc: ti: add binding for k3 platforms chipid module

Add DT binding for Texas Instruments K3 Multicore SoC platforms chipid
module which is represented by CTRLMMR_xxx_JTAGID register and contains
information about SoC id and revision.

Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>
Reviewed-by: Lokesh Vutla <lokeshvutla@...com>
Reviewed-by: Tero Kristo <t-kristo@...com>
---
 .../bindings/soc/ti/k3-socinfo.yaml           | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/ti/k3-socinfo.yaml

diff --git a/Documentation/devicetree/bindings/soc/ti/k3-socinfo.yaml b/Documentation/devicetree/bindings/soc/ti/k3-socinfo.yaml
new file mode 100644
index 000000000000..a1a8423b2e2e
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/ti/k3-socinfo.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/ti/k3-socinfo.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments K3 Multicore SoC platforms chipid module
+
+maintainers:
+  - Tero Kristo <t-kristo@...com>
+  - Nishanth Menon <nm@...com>
+
+description: |
+  Texas Instruments (ARM64) K3 Multicore SoC platforms chipid module is
+  represented by CTRLMMR_xxx_JTAGID register which contains information about
+  SoC id and revision.
+
+properties:
+  $nodename:
+    pattern: "^chipid@[0-9a-f]+$"
+
+  compatible:
+    items:
+      - const: ti,am654-chipid
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    chipid@...00014 {
+        compatible = "ti,am654-chipid";
+        reg = <0x43000014 0x4>;
+    };
-- 
2.17.1