linux-kernel - [PATCH v2 02/20] dt-bindings: bus: Add MIPS CDMM controller

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Message-ID: <20200506174238.15385-3-Sergey.Semin@baikalelectronics.ru>
Date:   Wed, 6 May 2020 20:42:20 +0300
From:   <Sergey.Semin@...kalelectronics.ru>
To:     Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        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>,
        Paul Burton <paulburton@...nel.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Arnd Bergmann <arnd@...db.de>, <linux-mips@...r.kernel.org>,
        <linux-pm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 02/20] dt-bindings: bus: Add MIPS CDMM controller

From: Serge Semin <Sergey.Semin@...kalelectronics.ru>

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>
Cc: Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: Paul Burton <paulburton@...nel.org>
Cc: Ralf Baechle <ralf@...ux-mips.org>
Cc: Arnd Bergmann <arnd@...db.de>
Cc: linux-mips@...r.kernel.org
Cc: linux-pm@...r.kernel.org

---

Changelog v2:
- Lowercase the example hex'es.
---
 .../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..d28d65ae57b2
--- /dev/null
+++ b/Documentation/devicetree/bindings/bus/mti,mips-cdmm.yaml
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: (GPL-2.0 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 = <0 0x1bde8000 0 0x8000>;
+    };
+...
-- 
2.25.1