From: Neal Liu <neal.liu@mediatek.com>
To: Rob Herring <robh+dt@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>
Cc: devicetree@vger.kernel.org, wsd_upstream@mediatek.com,
lkml <linux-kernel@vger.kernel.org>,
linux-mediatek@lists.infradead.org,
Neal Liu <neal.liu@mediatek.com>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/2] dt-bindings: devapc: add bindings for mtk-devapc
Date: Thu, 9 Jul 2020 17:12:06 +0800 [thread overview]
Message-ID: <1594285927-1840-2-git-send-email-neal.liu@mediatek.com> (raw)
In-Reply-To: <1594285927-1840-1-git-send-email-neal.liu@mediatek.com>
Add bindings for mtk-devapc.
Signed-off-by: Neal Liu <neal.liu@mediatek.com>
---
.../devicetree/bindings/soc/mediatek/devapc.yaml | 82 ++++++++++++++++++++
1 file changed, 82 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..f08243e
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/mediatek/devapc.yaml
@@ -0,0 +1,82 @@
+# 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
+
+ mediatek-slv_type_num:
+ description: Numbers of slave type in mediatek platform
+ maxItems: 1
+
+ mediatek-vio_dbgs:
+ description: The mask bit and start bit of devapc violation debug registers
+ maxItems: 5
+
+ mediatek-pds_offset:
+ description: The offset of devapc pds registers
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - mediatek-slv_type_num
+ - mediatek-vio_dbgs
+ - mediatek-pds_offset
+
+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";
+
+ mediatek-slv_type_num = /bits/ 8 <1>;
+ mediatek-vio_dbgs = <0x0000FFFF 0x0>,
+ <0x003F0000 0x10>,
+ <0x00400000 0x16>,
+ <0x00800000 0x17>,
+ <0x0F000000 0x18>;
+ mediatek-pds_offset = <0x0 0x400 0x900 0x904
+ 0xF00 0xF10 0xF14 0xF20>;
+ };
--
1.7.9.5
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next prev parent reply other threads:[~2020-07-09 9:14 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-09 9:12 [PATCH v2] Add MediaTek MT6779 devapc driver Neal Liu
2020-07-09 9:12 ` Neal Liu [this message]
2020-07-10 10:41 ` [PATCH v2 1/2] dt-bindings: devapc: add bindings for mtk-devapc Matthias Brugger
2020-07-14 3:17 ` Neal Liu
2020-07-09 9:12 ` [PATCH v2 2/2] soc: mediatek: add mtk-devapc driver Neal Liu
2020-07-09 13:01 ` Chun-Kuang Hu
2020-07-10 3:23 ` Neal Liu
2020-07-10 14:21 ` Chun-Kuang Hu
2020-07-13 8:27 ` Neal Liu
2020-07-13 14:20 ` Chun-Kuang Hu
2020-07-14 3:06 ` Neal Liu
2020-07-10 12:14 ` Matthias Brugger
2020-07-13 7:45 ` Neal Liu
2020-07-13 11:16 ` Matthias Brugger
2020-07-14 2:45 ` Neal Liu
2020-07-15 23:46 ` Chun-Kuang Hu
2020-07-16 3:42 ` Neal Liu
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