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From:   Shengyang Chen <shengyang.chen@starfivetech.com>
To:     <devicetree@vger.kernel.org>, <linux-phy@lists.infradead.org>
CC:     <vkoul@kernel.org>, <kishon@kernel.org>, <robh+dt@kernel.org>,
        <krzysztof.kozlowski+dt@linaro.org>, <conor+dt@kernel.org>,
        <p.zabel@pengutronix.de>, <minda.chen@starfivetech.com>,
        <changhuang.liang@starfivetech.com>, <rogerq@kernel.org>,
        <geert+renesas@glider.be>, <keith.zhao@starfivetech.com>,
        <shengyang.chen@starfivetech.com>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v1 1/2] dt-bindings: phy: Add starfive,jh7110-dphy-tx
Date:   Fri, 17 Nov 2023 21:04:20 +0800
Message-ID: <20231117130421.79261-2-shengyang.chen@starfivetech.com>
In-Reply-To: <20231117130421.79261-1-shengyang.chen@starfivetech.com>
References: <20231117130421.79261-1-shengyang.chen@starfivetech.com>
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StarFive SoCs like the jh7110 use a MIPI D-PHY TX
controller based on a M31 IP. Add a binding for it.

Signed-off-by: Shengyang Chen <shengyang.chen@starfivetech.com>
---
 .../bindings/phy/starfive,jh7110-dphy-tx.yaml | 74 +++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-tx.yaml

diff --git a/Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-tx.yaml b/Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-tx.yaml
new file mode 100644
index 000000000000..850fe2e61d1d
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/starfive,jh7110-dphy-tx.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/starfive,jh7110-dphy-tx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Starfive SoC MIPI D-PHY Tx Controller
+
+maintainers:
+  - Keith Zhao <keith.zhao@starfivetech.com>
+  - Shengyang Chen <shengyang.chen@starfivetech.com>
+
+description:
+  The Starfive SoC uses the MIPI DSI D-PHY based on M31 IP to transfer
+  DSI data.
+
+properties:
+  compatible:
+    const: starfive,jh7110-dphy-tx
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: dphy_txesc
+
+  resets:
+    items:
+      - description: DSITX_TXBYTEHS reset
+      - description: MIPITX_DPHY_SYS reset
+      - description: MIPITX_DPHY_TXBYTEHS reset
+
+  reset-names:
+    items:
+      - const: dsi_txbytehs
+      - const: dphy_sys
+      - const: dphy_txbytehs
+
+  power-domains:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+  - power-domains
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    phy@295e0000 {
+      compatible = "starfive,jh7110-dphy-tx";
+      reg = <0x295e0000 0x10000>;
+      clocks = <&voutcrg 14>;
+      clock-names = "dphy_txesc";
+      resets = <&syscrg 7>,
+               <&syscrg 10>,
+               <&syscrg 11>;
+      reset-names = "dsi_txbytehs", "dphy_sys", "dphy_txbytehs";
+      power-domains = <&aon_syscon 0>;
+      #phy-cells = <0>;
+    };
-- 
2.17.1