linux-kernel - [PATCH v4 2/6] dt-bindings: phy: qcom,m31: Document qcom,m31 USB phy

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Message-ID: <e3a6e5cf68d67637fa541f6dc690dbcabd5e3fec.1689160067.git.quic_varada@quicinc.com>
Date:   Wed, 12 Jul 2023 17:08:19 +0530
From:   Varadarajan Narayanan <quic_varada@...cinc.com>
To:     <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <vkoul@...nel.org>,
        <kishon@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <gregkh@...uxfoundation.org>, <catalin.marinas@....com>,
        <will@...nel.org>, <p.zabel@...gutronix.de>, <arnd@...db.de>,
        <geert+renesas@...der.be>, <neil.armstrong@...aro.org>,
        <nfraprado@...labora.com>, <rafal@...ecki.pl>,
        <quic_srichara@...cinc.com>, <quic_varada@...cinc.org>,
        <quic_wcheng@...cinc.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-phy@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-usb@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     Varadarajan Narayanan <quic_varada@...cinc.com>
Subject: [PATCH v4 2/6] dt-bindings: phy: qcom,m31: Document qcom,m31 USB phy

Document the M31 USB2 phy present in IPQ5332.

Signed-off-by: Sricharan Ramabadhran <quic_srichara@...cinc.com>
Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
---
v4:
	Move M31 URL to description
	Remove maxItems and relevant content from clock-names
	Change node name to generic name
	'make dt_binding_check DT_SCHEMA_FILES=qcom' passed
v3:
	Incorporate review comments. Will bring in ipq5018 compatible
	string while posting ipq5018 usb patchset.

v1:
	Rename qcom,m31.yaml -> qcom,ipq5332-usb-hsphy.yaml
	Drop default binding "m31,usb-hsphy"
	Add clock
	Remove 'oneOf' from compatible
	Remove 'qscratch' region from register space as it is not needed
	Remove reset-names
	Fix the example definition
---
 .../bindings/phy/qcom,ipq5332-usb-hsphy.yaml       | 48 ++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml

diff --git a/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml b/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml
new file mode 100644
index 0000000..eea90ff
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/qcom,ipq5332-usb-hsphy.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/qcom,ipq5332-usb-hsphy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: M31 USB PHY
+
+maintainers:
+  - Sricharan Ramabadhran <quic_srichara@...cinc.com>
+  - Varadarajan Narayanan <quic_varada@...cinc.org>
+
+description:
+  USB M31 PHY (https://www.m31tech.com) found in Qualcomm
+  IPQ5018, IPQ5332 SoCs.
+
+properties:
+  compatible:
+    enum:
+      - qcom,ipq5332-usb-hsphy
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    items:
+      - const: cfg_ahb
+
+  resets:
+    maxItems: 1
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/qcom,ipq5332-gcc.h>
+    usbphy0: usb-phy@...00 {
+        compatible = "qcom,ipq5332-usb-hsphy";
+        reg = <0x0007b000 0x12c>;
+
+        clocks = <&gcc GCC_USB0_PHY_CFG_AHB_CLK>;
+        clock-names = "cfg_ahb";
+
+        resets = <&gcc GCC_QUSB2_0_PHY_BCR>;
+    };
-- 
2.7.4