linux-kernel - [PATCH v3 2/3] dt-bindings: phy: add mediatek MIPI CD-PHY module v0.5

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Date:   Wed, 24 May 2023 10:30:31 +0200
From:   Julien Stephan <jstephan@...libre.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     mkorpershoek@...libre.com, khilman@...libre.com,
        Florian Sylvestre <fsylvestre@...libre.com>,
        Julien Stephan <jstephan@...libre.com>,
        Andy Hsieh <andy.hsieh@...iatek.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-mediatek@...ts.infradead.org, linux-phy@...ts.infradead.org,
        Matthias Brugger <matthias.bgg@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>, Vinod Koul <vkoul@...nel.org>
Subject: [PATCH v3 2/3] dt-bindings: phy: add mediatek MIPI CD-PHY module v0.5

From: Florian Sylvestre <fsylvestre@...libre.com>

This adds the bindings, for the MIPI CD-PHY module v0.5 embedded in
some Mediatek soc, such as the mt8365

Signed-off-by: Florian Sylvestre <fsylvestre@...libre.com>
Signed-off-by: Julien Stephan <jstephan@...libre.com>
---
 .../bindings/phy/mediatek,mt8365-csi-rx.yaml  | 67 +++++++++++++++++++
 MAINTAINERS                                   |  6 ++
 2 files changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/mediatek,mt8365-csi-rx.yaml

diff --git a/Documentation/devicetree/bindings/phy/mediatek,mt8365-csi-rx.yaml b/Documentation/devicetree/bindings/phy/mediatek,mt8365-csi-rx.yaml
new file mode 100644
index 000000000000..a1bd96a98051
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/mediatek,mt8365-csi-rx.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2023 MediaTek, BayLibre
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/mediatek,mt8365-csi-rx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek Sensor Interface MIPI CSI CD-PHY
+
+maintainers:
+  - Julien Stephan <jstephan@...libre.com>
+  - Andy Hsieh <andy.hsieh@...iatek.com>
+
+description:
+  The SENINF CD-PHY is a set of CD-PHY connected to the SENINF CSI-2
+  receivers. The number of PHYs depends on the SoC model.
+  Depending on the SoC model, each PHYs can be either CD-PHY or D-PHY only
+  capable.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8365-csi-rx
+
+  reg:
+    maxItems: 1
+
+  '#phy-cells':
+    const: 0
+
+  mediatek,phy-type:
+    description:
+      Specify the phy type. Supported phy are D-PHY only or CD-PHY capable phys.
+      See include/dt-bindings/phy/phy.h for constants.
+    enum: [10, 13]
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+required:
+  - compatible
+  - reg
+  - mediatek,phy-type
+  - '#phy-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/phy/phy.h>
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      csi0_rx: phy@...10000 {
+        compatible = "mediatek,mt8365-csi-rx";
+        reg = <0 0x11c10000 0 0x2000>;
+        mediatek,phy-type = <PHY_TYPE_CDPHY>;
+        #phy-cells = <0>;
+      };
+
+      csi1_rx: phy@...12000 {
+        compatible = "mediatek,mt8365-csi-rx";
+        reg = <0 0x11c12000 0 0x2000>;
+        mediatek,phy-type = <PHY_TYPE_DPHY>;
+        #phy-cells = <0>;
+      };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index b81e9fcc66cb..5da594fbb761 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13184,6 +13184,12 @@ F:	Documentation/devicetree/bindings/media/mediatek-vpu.txt
 F:	drivers/media/platform/mediatek/vcodec/
 F:	drivers/media/platform/mediatek/vpu/
 
+MEDIATEK MIPI-CSI CDPHY DRIVER
+M:	Julien Stephan <jstephan@...libre.com>
+M:	Andy Hsieh <andy.hsieh@...iatek.com>
+S:	Supported
+F:	Documentation/devicetree/bindings/phy/mediatek,mt8365-csi-rx.yaml
+
 MEDIATEK MMC/SD/SDIO DRIVER
 M:	Chaotian Jing <chaotian.jing@...iatek.com>
 S:	Maintained
-- 
2.40.1