linux-kernel - [PATCH v2 1/2] dt-bindings: devapc: add bindings for devapc-mt6873

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Date:   Fri, 19 Jun 2020 17:41:59 +0800
From:   Neal Liu <neal.liu@...iatek.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     Neal Liu <neal.liu@...iatek.com>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <wsd_upstream@...iatek.com>
Subject: [PATCH v2 1/2] dt-bindings: devapc: add bindings for devapc-mt6873

Add bindings for MT6873 devapc.

Signed-off-by: Neal Liu <neal.liu@...iatek.com>
---
 .../soc/mediatek/devapc/devapc-mt6873.yaml         |   61 ++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/mediatek/devapc/devapc-mt6873.yaml

diff --git a/Documentation/devicetree/bindings/soc/mediatek/devapc/devapc-mt6873.yaml b/Documentation/devicetree/bindings/soc/mediatek/devapc/devapc-mt6873.yaml
new file mode 100644
index 0000000..1deb7f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/mediatek/devapc/devapc-mt6873.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# # Copyright 2020 MediaTek Inc.
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/soc/mediatek/devapc/devapc-mt6873.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MediaTek MT6873 Device Access Permission Control driver
+
+description: |
+  MediaTek MT6873 bus frabric provides TrustZone security support and data
+  protection to prevent slaves from being accessed by unexpected masters.
+  The security violations are logged and sent to the processor for further
+  analysis and countermeasures.
+
+maintainers:
+  - Neal Liu <neal.liu@...iatek.com>
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt6873-devapc
+
+  reg:
+    description: The base address of devapc register bank
+    maxItems: 5
+
+  interrupts:
+    description: A single interrupt specifier
+    maxItems: 1
+
+  clocks:
+    description: Contains module clock source and clock names
+    maxItems: 1
+
+  clock-names:
+    description: Names of the clocks list in clocks property
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/mt8183-clk.h>
+    devapc: devapc@...07000 {
+            compatible = "mediatek,mt6873-devapc";
+            reg = <0 0x10207000 0 0x1000>,
+                  <0 0x10274000 0 0x1000>,
+                  <0 0x10275000 0 0x1000>,
+                  <0 0x11020000 0 0x1000>,
+                  <0 0x1020e000 0 0x1000>;
+            interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>;
+            clocks = <&infracfg CLK_INFRA_DEVICE_APC>;
+            clock-names = "devapc-infra-clock";
+    };
-- 
1.7.9.5