[PATCH 04/19] dt-bindings: Add Qualcomm USB SuperSpeed PHY bindings

From: Bryan O'Donoghue
Date: Wed Jan 15 2020 - 09:13:17 EST


From: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@xxxxxxxxxx>

Binding description for Qualcomm's Synopsys 1.0.0 SuperSpeed phy
controller embedded in QCS404.

Based on Sriharsha Allenki's <sallenki@xxxxxxxxxxxxxx> original
definitions.

[bod: converted to yaml format]

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@xxxxxxxxxx>
Cc: Jorge Ramirez-Ortiz <jorge.ramirez.ortiz@xxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Cc: Jorge Ramirez-Ortiz <jorge.ramirez.ortiz@xxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
---
.../devicetree/bindings/qcom,usb-ss.yaml | 74 +++++++++++++++++++
1 file changed, 74 insertions(+)
create mode 100644 Documentation/devicetree/bindings/qcom,usb-ss.yaml

diff --git a/Documentation/devicetree/bindings/qcom,usb-ss.yaml b/Documentation/devicetree/bindings/qcom,usb-ss.yaml
new file mode 100644
index 000000000000..fb0e399d64a0
--- /dev/null
+++ b/Documentation/devicetree/bindings/qcom,usb-ss.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/phy/qcom,usb-ss.yaml#";
+$schema: "http://devicetree.org/meta-schemas/core.yaml#";
+
+title: Qualcomm Synopsys 1.0.0 SuperSpeed USB PHY
+
+maintainers:
+ - Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
+
+description: |
+ Qualcomm Synopsys 1.0.0 SuperSpeed USB PHY.
+
+properties:
+
+- compatible:
+ enum:
+ - qcom,usb-ssphy
+
+ reg:
+ maxItems: 1
+ description: USB PHY base address and length of the register map.
+
+ "#phy-cells":
+ const: 0
+ description: Should be 0. See phy/phy-bindings.txt for details.
+
+ clocks:
+ items:
+ - description: Block reference clock
+ - description: PHY AHB clock
+ - description: SuperSpeed pipe clock
+
+ clock-names:
+ items:
+ - const: ref
+ - const: phy
+ - const: sleep
+
+ vdd-supply:
+ maxItems: 1
+ description: phandle to the regulator VDD supply node.
+
+ vdda1p8-supply:
+ maxItems: 1
+ description: phandle to the regulator 1.8V supply node.
+
+ resets:
+ items:
+ - description: COM reset
+ - description: PHY reset line
+
+ reset-names:
+ items:
+ - description: com
+ - description: phy
+
+Example:
+
+usb3_phy: usb3-phy@78000 {
+ compatible = "qcom,usb-ssphy";
+ reg = <0x78000 0x400>;
+ #phy-cells = <0>;
+ clocks = <&rpmcc RPM_SMD_LN_BB_CLK>,
+ <&gcc GCC_USB_HS_PHY_CFG_AHB_CLK>,
+ <&gcc GCC_USB3_PHY_PIPE_CLK>;
+ clock-names = "ref", "phy", "pipe";
+ resets = <&gcc GCC_USB3_PHY_BCR>,
+ <&gcc GCC_USB3PHY_PHY_BCR>;
+ reset-names = "com", "phy";
+ vdd-supply = <&vreg_l3_1p05>;
+ vdda1p8-supply = <&vreg_l5_1p8>;
+};
--
2.24.0