linux-kernel - [PATCH v5 3/6] dt-bindings: bus: Add MIPS CDMM controller

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Message-ID: <20200714125753.22466-4-Sergey.Semin@baikalelectronics.ru>
Date:   Tue, 14 Jul 2020 15:57:49 +0300
From:   Serge Semin <Sergey.Semin@...kalelectronics.ru>
To:     Thomas Gleixner <tglx@...utronix.de>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     Serge Semin <Sergey.Semin@...kalelectronics.ru>,
        Serge Semin <fancer.lancer@...il.com>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Arnd Bergmann <arnd@...db.de>,
        Jason Cooper <jason@...edaemon.net>,
        Marc Zyngier <maz@...nel.org>, James Hogan <jhogan@...nel.org>,
        <linux-mips@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Rob Herring <robh@...nel.org>
Subject: [PATCH v5 3/6] dt-bindings: bus: Add MIPS CDMM controller

It's a Common Device Memory Map controller embedded into the MIPS IP
cores, which dts node is supposed to have compatible and reg properties.

Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
Reviewed-by: Rob Herring <robh@...nel.org>

---

Changelog prev:
- Lowercase the example hex'es.

Changelog v5:
- Consider address and size cells being <1> by default for the examples.
---
 .../bindings/bus/mti,mips-cdmm.yaml           | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/bus/mti,mips-cdmm.yaml

diff --git a/Documentation/devicetree/bindings/bus/mti,mips-cdmm.yaml b/Documentation/devicetree/bindings/bus/mti,mips-cdmm.yaml
new file mode 100644
index 000000000000..9cc2d5f1beef
--- /dev/null
+++ b/Documentation/devicetree/bindings/bus/mti,mips-cdmm.yaml
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bus/mti,mips-cdmm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MIPS Common Device Memory Map
+
+description: |
+  Defines a location of the MIPS Common Device Memory Map registers.
+
+maintainers:
+  - James Hogan <jhogan@...nel.org>
+
+properties:
+  compatible:
+    const: mti,mips-cdmm
+
+  reg:
+    description: |
+      Base address and size of an unoccupied memory region, which will be
+      used to map the MIPS CDMM registers block.
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    cdmm@...e8000 {
+      compatible = "mti,mips-cdmm";
+      reg = <0x1bde8000 0x8000>;
+    };
+...
-- 
2.26.2