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From:   Konrad Dybcio <konrad.dybcio@linaro.org>
Date:   Tue, 06 Jun 2023 19:29:19 +0200
Subject: [PATCH] arm64: dts: qcom: qcm2290: Add USB3 PHY
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Message-Id: <20230606-topic-qcm2290_usb3-v1-1-3e8fbcb89088@linaro.org>
To:     Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>
Cc:     Marijn Suijten <marijn.suijten@somainline.org>,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Konrad Dybcio <konrad.dybcio@linaro.org>
Precedence: bulk

Describe the USB3 PHY and hook it up to the USB3 controller.

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
---
The corresponding patch enabling in on RB1 will be posted after the
regulator situation gets resolved. It is confirmed working with a
totally hacked-up regulator setup though..
---
 arch/arm64/boot/dts/qcom/qcm2290.dtsi | 30 ++++++++++++++++++++++++++++--
 1 file changed, 28 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/qcm2290.dtsi b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
index b29bc4e4b837..1a02faacedda 100644
--- a/arch/arm64/boot/dts/qcom/qcm2290.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
@@ -577,6 +577,32 @@ usb_hsphy: phy@1613000 {
 			status = "disabled";
 		};
 
+		usb_qmpphy: phy@1615000 {
+			compatible = "qcom,qcm2290-qmp-usb3-phy";
+			reg = <0x0 0x01615000 0x0 0x1000>;
+
+			clocks = <&gcc GCC_AHB2PHY_USB_CLK>,
+				 <&gcc GCC_USB3_PRIM_CLKREF_CLK>,
+				 <&gcc GCC_USB3_PRIM_PHY_COM_AUX_CLK>,
+				 <&gcc GCC_USB3_PRIM_PHY_PIPE_CLK>;
+			clock-names = "cfg_ahb",
+				      "ref",
+				      "com_aux",
+				      "pipe";
+
+			resets = <&gcc GCC_USB3_PHY_PRIM_SP0_BCR>,
+				 <&gcc GCC_USB3PHY_PHY_PRIM_SP0_BCR>;
+			reset-names = "phy",
+				      "phy_phy";
+
+			#clock-cells = <0>;
+			clock-output-names = "usb3_phy_pipe_clk_src";
+
+			#phy-cells = <0>;
+
+			status = "disabled";
+		};
+
 		qfprom@1b44000 {
 			compatible = "qcom,qcm2290-qfprom", "qcom,qfprom";
 			reg = <0x0 0x01b44000 0x0 0x3000>;
@@ -1001,8 +1027,8 @@ usb_dwc3: usb@4e00000 {
 				compatible = "snps,dwc3";
 				reg = <0x0 0x04e00000 0x0 0xcd00>;
 				interrupts = <GIC_SPI 255 IRQ_TYPE_LEVEL_HIGH>;
-				phys = <&usb_hsphy>;
-				phy-names = "usb2-phy";
+				phys = <&usb_hsphy>, <&usb_qmpphy>;
+				phy-names = "usb2-phy", "usb3-phy";
 				iommus = <&apps_smmu 0x120 0x0>;
 				snps,dis_u2_susphy_quirk;
 				snps,dis_enblslpm_quirk;

---
base-commit: 6db29e14f4fb7bce9eb5290288e71b05c2b0d118
change-id: 20230606-topic-qcm2290_usb3-5f68a2995af6

Best regards,
-- 
Konrad Dybcio <konrad.dybcio@linaro.org>