linux-kernel - [PATCH 2/5] dt-bindings: phy: Add Qualcomm Synopsys Hi-Speed USB PHY binding

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Message-Id: <20200311191358.8102-3-bryan.odonoghue@linaro.org>
Date:   Wed, 11 Mar 2020 19:13:55 +0000
From:   Bryan O'Donoghue <bryan.odonoghue@...aro.org>
To:     kishon@...com
Cc:     linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, jackp@...eaurora.org,
        robh@...nel.org, bjorn.andersson@...aro.org,
        p.zabel@...gutronix.de,
        Sriharsha Allenki <sallenki@...eaurora.org>,
        Anu Ramanathan <anur@...eaurora.org>,
        Shawn Guo <shawn.guo@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Jorge Ramirez-Ortiz <jorge.ramirez.ortiz@...il.com>,
        devicetree@...r.kernel.org,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Subject: [PATCH 2/5] dt-bindings: phy: Add Qualcomm Synopsys Hi-Speed USB PHY binding

From: Sriharsha Allenki <sallenki@...eaurora.org>

Adds bindings for Qualcomm's 28 nm USB PHY supporting Low-Speed, Full-Speed
and Hi-Speed USB connectivity on Qualcomm chipsets.

[bod: Converted to YAML. Changed name dropping snps, 28nm components]

Signed-off-by: Sriharsha Allenki <sallenki@...eaurora.org>
Signed-off-by: Anu Ramanathan <anur@...eaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Shawn Guo <shawn.guo@...aro.org>
Reviewed-by: Rob Herring <robh@...nel.org>
Tested-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Andy Gross <agross@...nel.org>
Cc: Bjorn Andersson <bjorn.andersson@...aro.org>
Cc: Kishon Vijay Abraham I <kishon@...com>
Cc: Rob Herring <robh+dt@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Jorge Ramirez-Ortiz <jorge.ramirez.ortiz@...il.com>
Cc: linux-arm-msm@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: devicetree@...r.kernel.org
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
---
 .../bindings/phy/qcom,usb-hs-28nm.yaml        | 90 +++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/qcom,usb-hs-28nm.yaml

diff --git a/Documentation/devicetree/bindings/phy/qcom,usb-hs-28nm.yaml b/Documentation/devicetree/bindings/phy/qcom,usb-hs-28nm.yaml
new file mode 100644
index 000000000000..ca6a0836b53c
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/qcom,usb-hs-28nm.yaml
@@ -0,0 +1,90 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/phy/qcom,usb-hs-28nm.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Qualcomm Synopsys DesignWare Core 28nm High-Speed PHY
+
+maintainers:
+  - Bryan O'Donoghue <bryan.odonoghue@...aro.org>
+
+description: |
+  Qualcomm Low-Speed, Full-Speed, Hi-Speed 28nm USB PHY
+
+properties:
+  compatible:
+    enum:
+      - qcom,usb-hs-28nm-femtophy
+
+  reg:
+    maxItems: 1
+
+  "#phy-cells":
+    const: 0
+
+  clocks:
+    items:
+      - description: rpmcc ref clock
+      - description: PHY AHB clock
+      - description: Rentention clock
+
+  clock-names:
+    items:
+      - const: ref
+      - const: ahb
+      - const: sleep
+
+  resets:
+    items:
+      - description: PHY core reset
+      - description: POR reset
+
+  reset-names:
+    items:
+      - const: phy
+      - const: por
+
+  vdd-supply:
+    description: phandle to the regulator VDD supply node.
+
+  vdda1p8-supply:
+    description: phandle to the regulator 1.8V supply node.
+
+  vdda3p3-supply:
+    description: phandle to the regulator 3.3V supply node.
+
+required:
+  - compatible
+  - reg
+  - "#phy-cells"
+  - clocks
+  - clock-names
+  - resets
+  - reset-names
+  - vdd-supply
+  - vdda1p8-supply
+  - vdda3p3-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,gcc-qcs404.h>
+    #include <dt-bindings/clock/qcom,rpmcc.h>
+    usb2_phy_prim: phy@...00 {
+        compatible = "qcom,usb-hs-28nm-femtophy";
+        reg = <0x0007a000 0x200>;
+        #phy-cells = <0>;
+        clocks = <&rpmcc RPM_SMD_LN_BB_CLK>,
+                 <&gcc GCC_USB_HS_PHY_CFG_AHB_CLK>,
+                 <&gcc GCC_USB2A_PHY_SLEEP_CLK>;
+        clock-names = "ref", "ahb", "sleep";
+        resets = <&gcc GCC_USB_HS_PHY_CFG_AHB_BCR>,
+                 <&gcc GCC_USB2A_PHY_BCR>;
+        reset-names = "phy", "por";
+        vdd-supply = <&vreg_l4_1p2>;
+        vdda1p8-supply = <&vreg_l5_1p8>;
+        vdda3p3-supply = <&vreg_l12_3p3>;
+    };
+...
-- 
2.25.1