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Deprecate it, and encourage users to provide a clock instead. This also restricts the minimum and maximum to the values documented in the register reference [1]. [1] https://www.xilinx.com/html_docs/registers/ug1087/usb3_xhci___guctl.html Signed-off-by: Sean Anderson --- (no changes since v1) Documentation/devicetree/bindings/usb/snps,dwc3.yaml | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml index d29ffcd27472..4f2b0913ad9f 100644 --- a/Documentation/devicetree/bindings/usb/snps,dwc3.yaml +++ b/Documentation/devicetree/bindings/usb/snps,dwc3.yaml @@ -263,8 +263,11 @@ properties: Value for REFCLKPER field of GUCTL register for reference clock period in nanoseconds, when the hardware set default does not match the actual clock. - minimum: 1 - maximum: 0x3ff + + This binding is deprecated. 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Thu, 27 Jan 2022 20:06:57 +0000 From: Sean Anderson To: Greg Kroah-Hartman , linux-usb@vger.kernel.org Cc: Robert Hancock , Baruch Siach , Felipe Balbi , Thinh Nguyen , linux-kernel@vger.kernel.org, Balaji Prakash J , Sean Anderson , Michal Simek , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 6/7] arm64: dts: zynqmp: Move USB clocks to dwc3 node Date: Thu, 27 Jan 2022 15:06:35 -0500 Message-Id: <20220127200636.1456175-7-sean.anderson@seco.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220127200636.1456175-1-sean.anderson@seco.com> References: <20220127200636.1456175-1-sean.anderson@seco.com> X-ClientProxiedBy: MN2PR12CA0030.namprd12.prod.outlook.com (2603:10b6:208:a8::43) To DB7PR03MB4523.eurprd03.prod.outlook.com (2603:10a6:10:19::27) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 9d0d9533-6908-44af-f042-08d9e1d0924a X-MS-TrafficTypeDiagnostic: AM0PR03MB3747:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:1923; 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Move them to the dwc3 node so its driver can use them to configure the reference clock period. Signed-off-by: Sean Anderson Reviewed-by: Robert Hancock Tested-by: Robert Hancock --- (no changes since v1) arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi | 4 ++-- arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi index 1e0b1bca7c94..8493dd7d5f1f 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi @@ -223,11 +223,11 @@ &uart1 { clocks = <&zynqmp_clk UART1_REF>, <&zynqmp_clk LPD_LSBUS>; }; -&usb0 { +&dwc3_0 { clocks = <&zynqmp_clk USB0_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>; }; -&usb1 { +&dwc3_1 { clocks = <&zynqmp_clk USB1_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>; }; diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index 74e66443e4ce..ba68fb8529ee 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi @@ -811,7 +811,6 @@ usb0: usb@ff9d0000 { status = "disabled"; compatible = "xlnx,zynqmp-dwc3"; reg = <0x0 0xff9d0000 0x0 0x100>; - clock-names = "bus_clk", "ref_clk"; power-domains = <&zynqmp_firmware PD_USB_0>; resets = <&zynqmp_reset ZYNQMP_RESET_USB0_CORERESET>, <&zynqmp_reset ZYNQMP_RESET_USB0_HIBERRESET>, @@ -825,6 +824,7 @@ dwc3_0: usb@fe200000 { interrupt-parent = <&gic>; interrupt-names = "dwc_usb3", "otg"; interrupts = <0 65 4>, <0 69 4>; + clock-names = "bus_early", "ref"; #stream-id-cells = <1>; iommus = <&smmu 0x860>; snps,quirk-frame-length-adjustment = <0x20>; @@ -838,7 +838,6 @@ usb1: usb@ff9e0000 { status = "disabled"; compatible = "xlnx,zynqmp-dwc3"; reg = <0x0 0xff9e0000 0x0 0x100>; - clock-names = "bus_clk", "ref_clk"; power-domains = <&zynqmp_firmware PD_USB_1>; resets = <&zynqmp_reset ZYNQMP_RESET_USB1_CORERESET>, <&zynqmp_reset ZYNQMP_RESET_USB1_HIBERRESET>, @@ -852,6 +851,7 @@ dwc3_1: usb@fe300000 { interrupt-parent = <&gic>; interrupt-names = "dwc_usb3", "otg"; interrupts = <0 70 4>, <0 74 4>; + clock-names = "bus_early", "ref"; 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Thu, 27 Jan 2022 20:06:59 +0000 From: Sean Anderson To: Greg Kroah-Hartman , linux-usb@vger.kernel.org Cc: Robert Hancock , Baruch Siach , Felipe Balbi , Thinh Nguyen , linux-kernel@vger.kernel.org, Balaji Prakash J , Sean Anderson , Andy Gross , Bjorn Andersson , Rob Herring , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org Subject: [PATCH v3 7/7] arm64: dts: ipq6018: Use reference clock to set dwc3 period Date: Thu, 27 Jan 2022 15:06:36 -0500 Message-Id: <20220127200636.1456175-8-sean.anderson@seco.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220127200636.1456175-1-sean.anderson@seco.com> References: <20220127200636.1456175-1-sean.anderson@seco.com> X-ClientProxiedBy: MN2PR12CA0030.namprd12.prod.outlook.com (2603:10b6:208:a8::43) To DB7PR03MB4523.eurprd03.prod.outlook.com (2603:10a6:10:19::27) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: c0bb5a1d-bfd0-43a7-2ca6-08d9e1d09370 X-MS-TrafficTypeDiagnostic: PA4PR03MB8158:EE_ X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4303; 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I haven't reviewed this board's schematics, so please let me know if this is the wrong 24MHz clock to use. Signed-off-by: Sean Anderson --- (no changes since v1) arch/arm64/boot/dts/qcom/ipq6018.dtsi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi index 66ec5615651d..a614b9f73e2c 100644 --- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi @@ -743,12 +743,13 @@ dwc_0: usb@8A00000 { interrupts = ; phys = <&qusb_phy_0>, <&usb0_ssphy>; phy-names = "usb2-phy", "usb3-phy"; + clocks = <&xo>; + clock-names = "ref"; tx-fifo-resize; snps,is-utmi-l1-suspend; snps,hird-threshold = /bits/ 8 <0x0>; snps,dis_u2_susphy_quirk; snps,dis_u3_susphy_quirk; - snps,ref-clock-period-ns = <0x32>; dr_mode = "host"; }; };