linux-kernel - [PATCH 1/3] dt-bindings: memory-controller: Document Broadcom STB MEMC

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Date:   Fri, 22 Jul 2022 11:41:36 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Florian Fainelli <f.fainelli@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS),
        linux-arm-kernel@...ts.infradead.org (moderated list:BROADCOM BCM7XXX
        ARM ARCHITECTURE)
Subject: [PATCH 1/3] dt-bindings: memory-controller: Document Broadcom STB MEMC

Document the Broadcom STB memory controller which is a trivial binding
for now with a set of compatible strings and single register.

Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 .../memory-controllers/brcm,memc.yaml         | 49 +++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/memory-controllers/brcm,memc.yaml

diff --git a/Documentation/devicetree/bindings/memory-controllers/brcm,memc.yaml b/Documentation/devicetree/bindings/memory-controllers/brcm,memc.yaml
new file mode 100644
index 000000000000..a629734f0cd0
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory-controllers/brcm,memc.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/memory-controllers/brcm,memc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Memory controller (MEMC) for Broadcom STB
+
+maintainers:
+  - Florian Fainelli <f.fainelli@...il.com>
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - brcm,brcmstb-memc-ddr-rev-b.1.x
+          - brcm,brcmstb-memc-ddr-rev-b.2.0
+          - brcm,brcmstb-memc-ddr-rev-b.2.1
+          - brcm,brcmstb-memc-ddr-rev-b.2.2
+          - brcm,brcmstb-memc-ddr-rev-b.2.3
+          - brcm,brcmstb-memc-ddr-rev-b.2.5
+          - brcm,brcmstb-memc-ddr-rev-b.2.6
+          - brcm,brcmstb-memc-ddr-rev-b.2.7
+          - brcm,brcmstb-memc-ddr-rev-b.2.8
+          - brcm,brcmstb-memc-ddr-rev-b.3.0
+          - brcm,brcmstb-memc-ddr-rev-b.3.1
+          - brcm,brcmstb-memc-ddr-rev-c.1.0
+          - brcm,brcmstb-memc-ddr-rev-c.1.1
+          - brcm,brcmstb-memc-ddr-rev-c.1.2
+          - brcm,brcmstb-memc-ddr-rev-c.1.3
+          - brcm,brcmstb-memc-ddr-rev-c.1.4
+      - const: brcm,brcmstb-memc-ddr
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    memory-controller@...2000 {
+        compatible = "brcm,brcmstb-memc-ddr-rev-c.1.1",
+                        "brcm,brcmstb-memc-ddr";
+        reg = <0x9902000 0x600>;
+    };
-- 
2.25.1