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From:   Changhuang Liang <changhuang.liang@starfivetech.com>
To:     Vinod Koul <vkoul@kernel.org>,
        Kishon Vijay Abraham I <kishon@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Philipp Zabel <p.zabel@pengutronix.de>
CC:     Jack Zhu <jack.zhu@starfivetech.com>,
        Changhuang Liang <changhuang.liang@starfivetech.com>,
        <linux-phy@lists.infradead.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>
Subject: [PATCH v6 1/2] dt-bindings: phy: Add starfive,jh7110-dphy-rx
Date:   Fri, 30 Jun 2023 02:30:55 -0700
Message-ID: <20230630093056.46904-2-changhuang.liang@starfivetech.com>
In-Reply-To: <20230630093056.46904-1-changhuang.liang@starfivetech.com>
References: <20230630093056.46904-1-changhuang.liang@starfivetech.com>
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StarFive SoCs like the jh7110 use a MIPI D-PHY RX controller based on
a M31 IP. Add a binding for it.

Signed-off-by: Changhuang Liang <changhuang.liang@starfivetech.com>
Reviewed-by: Rob Herring <robh@kernel.org>
---
 .../bindings/phy/starfive,jh7110-dphy-rx.yaml | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-rx.yaml

diff --git a/Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-rx.yaml b/Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-rx.yaml
new file mode 100644
index 000000000000..7224cde6fce0
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-rx.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/starfive,jh7110-dphy-rx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive SoC JH7110 MIPI D-PHY Rx Controller
+
+maintainers:
+  - Jack Zhu <jack.zhu@starfivetech.com>
+  - Changhuang Liang <changhuang.liang@starfivetech.com>
+
+description:
+  StarFive SoCs contain a MIPI CSI D-PHY based on M31 IP, used to
+  transfer CSI camera data.
+
+properties:
+  compatible:
+    const: starfive,jh7110-dphy-rx
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: config clock
+      - description: reference clock
+      - description: escape mode transmit clock
+
+  clock-names:
+    items:
+      - const: cfg
+      - const: ref
+      - const: tx
+
+  resets:
+    items:
+      - description: DPHY_HW reset
+      - description: DPHY_B09_ALWAYS_ON reset
+
+  power-domains:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - resets
+  - power-domains
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    phy@19820000 {
+      compatible = "starfive,jh7110-dphy-rx";
+      reg = <0x19820000 0x10000>;
+      clocks = <&ispcrg 3>,
+               <&ispcrg 4>,
+               <&ispcrg 5>;
+      clock-names = "cfg", "ref", "tx";
+      resets = <&ispcrg 2>,
+               <&ispcrg 3>;
+      power-domains = <&aon_syscon 1>;
+      #phy-cells = <0>;
+    };
-- 
2.25.1