[PATCH v4 1/2] dt-bindings: devapc: add bindings for mtk-devapc

Neal Liu
2020-07-29T08:30:00Z

Add bindings for mtk-devapc.

Signed-off-by: Neal Liu <neal.liu@mediatek.com>
---
.../devicetree/bindings/soc/mediatek/devapc.yaml | 58 ++++++++++++++++++++
1 file changed, 58 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/mediatek/devapc.yaml

diff --git a/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml
new file mode 100644
index 0000000..6c763f8
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+# # Copyright 2020 MediaTek Inc.
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/soc/mediatek/devapc.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: MediaTek Device Access Permission Control driver
+
+description: |
+ MediaTek bus fabric provides TrustZone security support and data
+ protection to prevent slaves from being accessed by unexpected masters.
+ The security violation is logged and sent to the processor for further
+ analysis and countermeasures.
+
+maintainers:
+ - Neal Liu <neal.liu@mediatek.com>
+
+properties:
+ compatible:
+ enum:
+ - mediatek,mt6779-devapc
+
+ reg:
+ description: The base address of devapc register bank
+ maxItems: 1
+
+ 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/mt6779-clk.h>
+
+ devapc: devapc@10207000 {
+ compatible = "mediatek,mt6779-devapc";
+ reg = <0x10207000 0x1000>;
+ interrupts = <GIC_SPI 168 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&infracfg_ao CLK_INFRA_DEVICE_APC>;
+ clock-names = "devapc-infra-clock";
+ };
--
1.7.9.5