linux-kernel - [PATCH v2 1/2] dt-bindings: phy: add mediatek mipi csi driver v 0.5

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Message-Id: <20230515090551.1251389-2-jstephan@baylibre.com>
Date:   Mon, 15 May 2023 11:05:50 +0200
From:   Julien Stephan <jstephan@...libre.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     krzysztof.kozlowski@...aro.org, robh@...nel.org,
        chunkuang.hu@...nel.org, linux-mediatek@...ts.infradead.org,
        Florian Sylvestre <fsylvestre@...libre.com>,
        Julien Stephan <jstephan@...libre.com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Andy Hsieh <andy.hsieh@...iatek.com>,
        Vinod Koul <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        linux-arm-kernel@...ts.infradead.org (moderated list:ARM/Mediatek USB3
        PHY DRIVER),
        linux-phy@...ts.infradead.org (open list:GENERIC PHY FRAMEWORK),
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v2 1/2] dt-bindings: phy: add  mediatek mipi csi driver v 0.5

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

This adds the bindings, for the MIPI CD-PHY module v 0.5 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>
---
 .../phy/mediatek,phy-mipi-csi-0-5.yaml        | 62 +++++++++++++++++++
 MAINTAINERS                                   |  6 ++
 2 files changed, 68 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/mediatek,phy-mipi-csi-0-5.yaml

diff --git a/Documentation/devicetree/bindings/phy/mediatek,phy-mipi-csi-0-5.yaml b/Documentation/devicetree/bindings/phy/mediatek,phy-mipi-csi-0-5.yaml
new file mode 100644
index 000000000000..5aa8c0b41cdf
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/mediatek,phy-mipi-csi-0-5.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-Only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/mediatek,phy-mipi-csi-0-5.yaml#
+$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 support CDPHY or DPHY only
+
+properties:
+  compatible:
+    enum:
+      - mediatek,phy-mipi-csi-0-5
+
+  reg:
+    maxItems: 1
+
+  '#phy-cells':
+    const: 0
+
+  mediatek,is_cdphy:
+    description:
+      Specify if the current phy support CDPHY configuration
+    type: boolean
+
+required:
+  - compatible
+  - reg
+  - '#phy-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    soc {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      mipi_rx_csi0: mipi_rx_csi0@...10000 {
+        compatible = "mediatek,phy-mipi-csi-0-5";
+        reg = <0 0x11C10000 0 0x2000>;
+        status = "okay";
+        mediatek,is_cdphy;
+        #phy-cells = <0>;
+      };
+
+      mipi_rx_csi1: mipi-rx-csi1@...12000 {
+        compatible = "mediatek,phy-mipi-csi-0-5";
+        reg = <0 0x11C12000 0 0x2000>;
+        status = "disabled";
+        #phy-cells = <0>;
+      };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 6d54f3193075..44f0ff11e984 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13098,6 +13098,12 @@ 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,phy-mipi-csi-0-5.yaml
+
 MEDIATEK MMC/SD/SDIO DRIVER
 M:	Chaotian Jing <chaotian.jing@...iatek.com>
 S:	Maintained
-- 
2.40.0