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Date: Thu, 27 Aug 2020 11:06:32 +0800 From: Neal Liu <neal.liu@...iatek.com> To: Rob Herring <robh+dt@...nel.org>, Matthias Brugger <matthias.bgg@...il.com>, Chun-Kuang Hu <chunkuang.hu@...nel.org> CC: Neal Liu <neal.liu@...iatek.com>, <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <linux-mediatek@...ts.infradead.org>, lkml <linux-kernel@...r.kernel.org>, <wsd_upstream@...iatek.com> Subject: [PATCH v7 1/2] dt-bindings: devapc: add bindings for mtk-devapc Add bindings for mtk-devapc. Signed-off-by: Neal Liu <neal.liu@...iatek.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@...iatek.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@...07000 { + 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
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