linux-kernel - [v2,2/2] dt-bindings: memory-controllers: Add MediaTek DRAM controller interface

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250207014437.17920-3-crystal.guo@mediatek.com>
Date: Fri, 7 Feb 2025 09:42:48 +0800
From: Crystal Guo <crystal.guo@...iatek.com>
To: Krzysztof Kozlowski <krzk@...nel.org>, Rob Herring <robh@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Matthias Brugger
	<matthias.bgg@...il.com>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>, Crystal Guo
	<crystal.guo@...iatek.com>
CC: <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>,
	<Project_Global_Chrome_Upstream_Group@...iatek.com>
Subject: [v2,2/2] dt-bindings: memory-controllers: Add MediaTek DRAM controller interface

A MediaTek DRAM controller interface to provide the current DDR data rate.

Signed-off-by: Crystal Guo <crystal.guo@...iatek.com>
---
 .../memory-controllers/mediatek,dramc.yaml    | 44 +++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,dramc.yaml

diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,dramc.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,dramc.yaml
new file mode 100644
index 000000000000..8bdacfc36cb5
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,dramc.yaml
@@ -0,0 +1,44 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2025 MediaTek Inc.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/memory-controllers/mediatek,dramc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek DRAM Controller (DRAMC)
+
+maintainers:
+  - Crystal Guo <crystal.guo@...iatek.com>
+
+description:
+  A MediaTek DRAM controller interface to provide the current data rate of DRAM.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - mediatek,mt8196-dramc
+
+  reg:
+    items:
+      - description: anaphy registers
+      - description: ddrphy registers
+
+additionalProperties: false
+
+required:
+  - compatible
+  - reg
+
+examples:
+  - |
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        memory-controller@...36000 {
+            compatible = "mediatek,mt8196-dramc";
+            reg = <0 0x10236000 0 0x2000>,
+                  <0 0x10238000 0 0x2000>;
+        };
+    };
-- 
2.18.0