linux-kernel - [PATCH 1/2] dt-bindings: phy: Introduce Qualcomm eDP/DP PHY binding

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Message-Id: <20210511041930.592483-1-bjorn.andersson@linaro.org>
Date:   Mon, 10 May 2021 23:19:29 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>, sbillaka@...eaurora.org,
        Rob Clark <robdclark@...il.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Stephen Boyd <swboyd@...omium.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: phy: Introduce Qualcomm eDP/DP PHY binding

Introduce a binding for the eDP/DP PHY hardware block found in several
different Qualcomm platforms.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 .../devicetree/bindings/phy/qcom,edp-phy.yaml | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml
new file mode 100644
index 000000000000..c258e4f7e332
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/phy/qcom,edp-phy.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm DP/eDP PHY
+
+maintainers:
+  - Bjorn Andersson <bjorn.andersson@...aro.org>
+
+description:
+  The Qualcomm DP/eDP PHY is found in a number of Qualcomm platform and
+  provides the physical interface for DisplayPort and Embedded Display Port.
+
+properties:
+  compatible:
+    enum:
+      - qcom,sc8180x-dp-phy
+      - qcom,sc8180x-edp-phy
+
+  reg:
+    items:
+      - description: PHY base register block
+      - description: tx0 register block
+      - description: tx1 register block
+      - description: PLL register block
+
+  clocks:
+    maxItems: 2
+
+  clock-names:
+    items:
+      - const: aux
+      - const: cfg_ahb
+
+  "#clock-cells":
+    const: 1
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - "#clock-cells"
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    phy@...2a00 {
+      compatible = "qcom,sc8180x-edp-phy";
+      reg = <0x0aec2a00 0x1c0>,
+            <0x0aec2200 0xa0>,
+            <0x0aec2600 0xa0>,
+            <0x0aec2000 0x19c>;
+
+      clocks = <&dispcc 0>, <&dispcc 1>;
+      clock-names = "aux", "cfg_ahb";
+
+      #clock-cells = <1>;
+      #phy-cells = <0>;
+    };
+...
-- 
2.29.2