linux-kernel - [PATCH v6 02/15] dt-bindings: hypervisor: Add MediaTek GenieZone hypervisor

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Message-ID: <20230919111210.19615-3-yi-de.wu@mediatek.com>
Date:   Tue, 19 Sep 2023 19:11:57 +0800
From:   Yi-De Wu <yi-de.wu@...iatek.com>
To:     Yingshiuan Pan <yingshiuan.pan@...iatek.com>,
        Ze-Yu Wang <ze-yu.wang@...iatek.com>,
        Yi-De Wu <yi-de.wu@...iatek.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jonathan Corbet <corbet@....net>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
CC:     Arnd Bergmann <arnd@...db.de>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        David Bradil <dbrazdil@...gle.com>,
        Trilok Soni <quic_tsoni@...cinc.com>,
        Jade Shih <jades.shih@...iatek.com>,
        Ivan Tseng <ivan.tseng@...iatek.com>,
        "My Chuang" <my.chuang@...iatek.com>,
        Kevenny Hsieh <kevenny.hsieh@...iatek.com>,
        Willix Yeh <chi-shen.yeh@...iatek.com>,
        Liju Chen <liju-clr.chen@...iatek.com>
Subject: [PATCH v6 02/15] dt-bindings: hypervisor: Add MediaTek GenieZone hypervisor

From: "Yingshiuan Pan" <yingshiuan.pan@...iatek.com>

Add documentation for GenieZone(gzvm) node. This node informs gzvm
driver to start probing if geniezone hypervisor is available and
able to do virtual machine operations.

[Detail]

The debate of using dt or not remains intact, and gentle ping seems not
working on this issue. We'll keep this patch for further discussion and move
forward in order to rebase based on the latest rc release. For previous
discussion, please kindly refer to the following link.

https://lore.kernel.org/all/4b81b7fbd50c04958c27fbb6e620a15ae4fe0d54.camel@mediatek.com/

Signed-off-by: Yingshiuan Pan <yingshiuan.pan@...iatek.com>
Signed-off-by: Liju Chen <liju-clr.chen@...iatek.com>
Signed-off-by: Yi-De Wu <yi-de.wu@...iatek.com>
---
 .../hypervisor/mediatek,geniezone-hyp.yaml    | 31 +++++++++++++++++++
 MAINTAINERS                                   |  1 +
 2 files changed, 32 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/hypervisor/mediatek,geniezone-hyp.yaml

diff --git a/Documentation/devicetree/bindings/hypervisor/mediatek,geniezone-hyp.yaml b/Documentation/devicetree/bindings/hypervisor/mediatek,geniezone-hyp.yaml
new file mode 100644
index 000000000000..ab89a4c310cb
--- /dev/null
+++ b/Documentation/devicetree/bindings/hypervisor/mediatek,geniezone-hyp.yaml
@@ -0,0 +1,31 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hypervisor/mediatek,geniezone-hyp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek GenieZone hypervisor
+
+maintainers:
+  - Yingshiuan Pan <yingshiuan.pan@...iatek.com>
+
+description:
+  This interface is designed for integrating GenieZone hypervisor into Android
+  Virtualization Framework(AVF) along with Crosvm as a VMM.
+  It acts like a wrapper for every hypercall to GenieZone hypervisor in
+  order to control guest VM lifecycles and virtual interrupt injections.
+
+properties:
+  compatible:
+    const: mediatek,geniezone-hyp
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    hypervisor {
+        compatible = "mediatek,geniezone-hyp";
+    };
diff --git a/MAINTAINERS b/MAINTAINERS
index a788e7da77c7..c4f7ed6228f2 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8801,6 +8801,7 @@ GENIEZONE HYPERVISOR DRIVER
 M:	Yingshiuan Pan <yingshiuan.pan@...iatek.com>
 M:	Ze-Yu Wang <ze-yu.wang@...iatek.com>
 M:	Yi-De Wu <yi-de.wu@...iatek.com>
+F:	Documentation/devicetree/bindings/hypervisor/mediatek,geniezone-hyp.yaml
 F:	Documentation/virt/geniezone/
 
 GENWQE (IBM Generic Workqueue Card)
-- 
2.18.0