From: Sean Anderson <sean.anderson@seco.com> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, linux-usb@vger.kernel.org Cc: Robert Hancock <robert.hancock@calian.com>, Baruch Siach <baruch@tkos.co.il>, Felipe Balbi <balbi@kernel.org>, Thinh Nguyen <Thinh.Nguyen@synopsys.com>, linux-kernel@vger.kernel.org, Balaji Prakash J <bjagadee@codeaurora.org>, Sean Anderson <sean.anderson@seco.com>, Andy Gross <agross@kernel.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, Michal Simek <michal.simek@xilinx.com>, Rob Herring <robh+dt@kernel.org>, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Subject: [PATCH v3 0/7] usb: dwc3: Calculate REFCLKPER et. al. from reference clock Date: Thu, 27 Jan 2022 15:06:29 -0500 [thread overview] Message-ID: <20220127200636.1456175-1-sean.anderson@seco.com> (raw) This is a rework of patches 3-5 of [1]. It attempts to correctly program REFCLKPER and REFCLK_FLADJ based on the reference clock frequency. Since we no longer need a special property duplicating this configuration, snps,ref-clock-period-ns is deprecated. Please test this! Patches 3/4 in this series have the effect of programming REFCLKPER and REFCLK_FLADJ on boards which already configure the "ref" clock. I have build tested, but not much else. [1] https://lore.kernel.org/linux-usb/20220114044230.2677283-1-robert.hancock@calian.com/ Changes in v3: - Define each variable on its own line - Rebase onto linux/master - Update comment to notes some things mentioned during review Changes in v2: - Add snps,ref-clock-frequency-hz property for ACPI - Also program GFLADJ.240MHZDECR - Document clock members - Don't program GFLADJ if the version is < 2.50a Sean Anderson (7): dt-bindings: usb: dwc3: Deprecate snps,ref-clock-period-ns usb: dwc3: Get clocks individually usb: dwc3: Calculate REFCLKPER based on reference clock usb: dwc3: Program GFLADJ usb: dwc3: Add snps,ref-clock-frequency-hz property for ACPI arm64: dts: zynqmp: Move USB clocks to dwc3 node arm64: dts: ipq6018: Use reference clock to set dwc3 period .../devicetree/bindings/usb/snps,dwc3.yaml | 7 +- arch/arm64/boot/dts/qcom/ipq6018.dtsi | 3 +- .../arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi | 4 +- arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 4 +- drivers/usb/dwc3/core.c | 117 +++++++++++++++--- drivers/usb/dwc3/core.h | 17 ++- 6 files changed, 125 insertions(+), 27 deletions(-) -- 2.25.1
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From: Sean Anderson <sean.anderson@seco.com> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>, linux-usb@vger.kernel.org Cc: Robert Hancock <robert.hancock@calian.com>, Baruch Siach <baruch@tkos.co.il>, Felipe Balbi <balbi@kernel.org>, Thinh Nguyen <Thinh.Nguyen@synopsys.com>, linux-kernel@vger.kernel.org, Balaji Prakash J <bjagadee@codeaurora.org>, Sean Anderson <sean.anderson@seco.com>, Andy Gross <agross@kernel.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, Michal Simek <michal.simek@xilinx.com>, Rob Herring <robh+dt@kernel.org>, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org Subject: [PATCH v3 0/7] usb: dwc3: Calculate REFCLKPER et. al. from reference clock Date: Thu, 27 Jan 2022 15:06:29 -0500 [thread overview] Message-ID: <20220127200636.1456175-1-sean.anderson@seco.com> (raw) This is a rework of patches 3-5 of [1]. It attempts to correctly program REFCLKPER and REFCLK_FLADJ based on the reference clock frequency. Since we no longer need a special property duplicating this configuration, snps,ref-clock-period-ns is deprecated. Please test this! Patches 3/4 in this series have the effect of programming REFCLKPER and REFCLK_FLADJ on boards which already configure the "ref" clock. I have build tested, but not much else. [1] https://lore.kernel.org/linux-usb/20220114044230.2677283-1-robert.hancock@calian.com/ Changes in v3: - Define each variable on its own line - Rebase onto linux/master - Update comment to notes some things mentioned during review Changes in v2: - Add snps,ref-clock-frequency-hz property for ACPI - Also program GFLADJ.240MHZDECR - Document clock members - Don't program GFLADJ if the version is < 2.50a Sean Anderson (7): dt-bindings: usb: dwc3: Deprecate snps,ref-clock-period-ns usb: dwc3: Get clocks individually usb: dwc3: Calculate REFCLKPER based on reference clock usb: dwc3: Program GFLADJ usb: dwc3: Add snps,ref-clock-frequency-hz property for ACPI arm64: dts: zynqmp: Move USB clocks to dwc3 node arm64: dts: ipq6018: Use reference clock to set dwc3 period .../devicetree/bindings/usb/snps,dwc3.yaml | 7 +- arch/arm64/boot/dts/qcom/ipq6018.dtsi | 3 +- .../arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi | 4 +- arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 4 +- drivers/usb/dwc3/core.c | 117 +++++++++++++++--- drivers/usb/dwc3/core.h | 17 ++- 6 files changed, 125 insertions(+), 27 deletions(-) -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next reply other threads:[~2022-01-27 20:06 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-01-27 20:06 Sean Anderson [this message] 2022-01-27 20:06 ` [PATCH v3 0/7] usb: dwc3: Calculate REFCLKPER et. al. from reference clock Sean Anderson 2022-01-27 20:06 ` [PATCH v3 1/7] dt-bindings: usb: dwc3: Deprecate snps,ref-clock-period-ns Sean Anderson 2022-02-07 21:27 ` Rob Herring 2022-01-27 20:06 ` [PATCH v3 2/7] usb: dwc3: Get clocks individually Sean Anderson 2022-01-27 20:06 ` [PATCH v3 3/7] usb: dwc3: Calculate REFCLKPER based on reference clock Sean Anderson 2022-02-03 3:09 ` Thinh Nguyen 2022-01-27 20:06 ` [PATCH v3 4/7] usb: dwc3: Program GFLADJ Sean Anderson 2022-02-03 3:10 ` Thinh Nguyen 2022-01-27 20:06 ` [PATCH v3 5/7] usb: dwc3: Add snps,ref-clock-frequency-hz property for ACPI Sean Anderson 2022-02-03 3:11 ` Thinh Nguyen [not found] ` <CAHp75Vc--RYW7P0wLA8Jcr53xKSkphJV=wTeZiPC-AYu4sGYFA@mail.gmail.com> 2022-02-04 16:00 ` Sean Anderson 2022-02-04 18:38 ` Andy Shevchenko 2022-02-04 18:44 ` Sean Anderson 2022-02-04 19:24 ` Andy Shevchenko 2022-01-27 20:06 ` [PATCH v3 6/7] arm64: dts: zynqmp: Move USB clocks to dwc3 node Sean Anderson 2022-01-27 20:06 ` Sean Anderson 2022-01-27 20:06 ` [PATCH v3 7/7] arm64: dts: ipq6018: Use reference clock to set dwc3 period Sean Anderson
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