linux-kernel - [PATCH v2 1/8] dt-bindings: phy: Add qcom,snps-eusb2-phy schema file

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Message-Id: <20230126124651.1362533-2-abel.vesa@linaro.org>
Date:   Thu, 26 Jan 2023 14:46:44 +0200
From:   Abel Vesa <abel.vesa@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-phy@...ts.infradead.org
Subject: [PATCH v2 1/8] dt-bindings: phy: Add qcom,snps-eusb2-phy schema file

The SM8550 SoC uses Synopsis eUSB2 PHY. Add a dt-binding schema
for the new driver.

Signed-off-by: Abel Vesa <abel.vesa@...aro.org>
---

The v1 version of this patch was here:
https://lore.kernel.org/all/20221116120157.2706810-9-abel.vesa@linaro.org/

Changes since v1:
 * dropped the "ref src" clock
 * dropped the usb-repeater property

 .../bindings/phy/qcom,snps-eusb2-phy.yaml     | 78 +++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml
new file mode 100644
index 000000000000..49a5dad486c2
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/qcom,snps-eusb2-phy.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/phy/qcom,snps-eusb2-phy.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm SNPS eUSB2 phy controller
+
+maintainers:
+  - Abel Vesa <abel.vesa@...aro.org>
+
+description:
+  eUSB2 controller supports LS/FS/HS usb connectivity on Qualcomm chipsets.
+
+properties:
+  compatible:
+    const: qcom,sm8550-snps-eusb2-phy
+
+  reg:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+  clocks:
+    items:
+      - description: ref
+
+  clock-names:
+    items:
+      - const: ref
+
+  resets:
+    maxItems: 1
+    description:
+      Phandle to reset to phy block.
+
+  vdd-supply:
+    description:
+      Phandle to 0.88V regulator supply to PHY digital circuit.
+
+  vdda12-supply:
+    description:
+      Phandle to 1.2V regulator supply to PHY refclk pll block.
+
+required:
+  - compatible
+  - reg
+  - "#phy-cells"
+  - clocks
+  - clock-names
+  - vdd-supply
+  - vdda12-supply
+  - resets
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-sm8550.h>
+    #include <dt-bindings/clock/qcom,rpmh.h>
+    #include <dt-bindings/clock/qcom,tcsrcc-sm8550.h>
+
+    usb_1_hsphy: phy@...3000 {
+        compatible = "qcom,sm8550-snps-eusb2-phy";
+        reg = <0x88e3000 0x154>;
+        #phy-cells = <0>;
+
+        clocks = <&rpmhcc RPMH_CXO_PAD_CLK>,
+                 <&tcsrcc TCSR_USB2_CLKREF_EN>;
+        clock-names = "ref_src", "ref";
+
+        vdd-supply = <&vreg_l1e_0p88>;
+        vdda12-supply = <&vreg_l3e_1p2>;
+
+        resets = <&gcc GCC_QUSB2PHY_PRIM_BCR>;
+    };
-- 
2.34.1