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Message-ID: <ZzNEecwbh63soh5J@hu-varada-blr.qualcomm.com>
Date: Tue, 12 Nov 2024 17:35:13 +0530
From: Varadarajan Narayanan <quic_varada@...cinc.com>
To: Krishna Kurapati <quic_kriskura@...cinc.com>
CC: <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <gregkh@...uxfoundation.org>,
<robh@...nel.org>, <abel.vesa@...aro.org>, <johan+linaro@...nel.org>,
<dmitry.baryshkov@...aro.org>, <mantas@...vices.com>,
<linux-arm-msm@...r.kernel.org>, <linux-phy@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <quic_kbajaj@...cinc.com>,
<linux-kernel@...r.kernel.org>, <quic_wcheng@...cinc.com>,
<vkoul@...nel.org>, <linux-usb@...r.kernel.org>,
<andersson@...nel.org>, <kishon@...nel.org>, <konradybcio@...nel.org>
Subject: Re: [PATCH v1 6/6] arm64: dts: qcom: Add USB controller and phy
nodes for IPQ5424
On Tue, Nov 12, 2024 at 03:05:57PM +0530, Krishna Kurapati wrote:
>
>
> On 11/12/2024 2:43 PM, Varadarajan Narayanan wrote:
> > The IPQ5424 SoC has both USB2.0 and USB3.0 controllers. The USB3.0
> > can connect to either of USB2.0 or USB3.0 phy and operate in the
> > respective mode.
> >
> > Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> > ---
> > arch/arm64/boot/dts/qcom/ipq5424-rdp466.dts | 67 +++++++++
> > arch/arm64/boot/dts/qcom/ipq5424.dtsi | 153 ++++++++++++++++++++
> > 2 files changed, 220 insertions(+)
> >
>
> [...]
>
> > diff --git a/arch/arm64/boot/dts/qcom/ipq5424.dtsi b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
> > index 5e219f900412..d8c045a311c2 100644
> > --- a/arch/arm64/boot/dts/qcom/ipq5424.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
> > @@ -233,6 +233,159 @@ intc: interrupt-controller@...0000 {
> > msi-controller;
> > };
> > + qusb_phy_1: phy@...00 {
> > + compatible = "qcom,ipq5424-qusb2-phy";
> > + reg = <0 0x00071000 0 0x180>;
> > + #phy-cells = <0>;
> > +
> > + clocks = <&gcc GCC_USB1_PHY_CFG_AHB_CLK>,
> > + <&xo_board>;
> > + clock-names = "cfg_ahb", "ref";
> > +
> > + resets = <&gcc GCC_QUSB2_1_PHY_BCR>;
> > + status = "disabled";
> > + };
> > +
> > + usb2: usb2@...0000 {
> > + compatible = "qcom,ipq5424-dwc3", "qcom,dwc3";
> > + reg = <0 0x01ef8800 0 0x400>;
> > + #address-cells = <2>;
> > + #size-cells = <2>;
> > + ranges;
> > +
> > + clocks = <&gcc GCC_USB1_MASTER_CLK>,
> > + <&gcc GCC_USB1_SLEEP_CLK>,
> > + <&gcc GCC_USB1_MOCK_UTMI_CLK>,
> > + <&gcc GCC_USB1_PHY_CFG_AHB_CLK>,
> > + <&gcc GCC_CNOC_USB_CLK>;
> > +
> > + clock-names = "core",
> > + "sleep",
> > + "mock_utmi",
> > + "iface",
> > + "cfg_noc";
> > +
> > + assigned-clocks = <&gcc GCC_USB1_MASTER_CLK>,
> > + <&gcc GCC_USB1_MOCK_UTMI_CLK>;
> > + assigned-clock-rates = <200000000>,
> > + <24000000>; > +
>
> Shouldn't this be 19.2MHz ?
XO is 24MHz in this SoC.
> > + interrupts-extended = <&intc GIC_SPI 395 IRQ_TYPE_LEVEL_HIGH>,
> > + <&intc GIC_SPI 397 IRQ_TYPE_LEVEL_HIGH>,
> > + <&intc GIC_SPI 387 IRQ_TYPE_LEVEL_HIGH>,
> > + <&intc GIC_SPI 388 IRQ_TYPE_LEVEL_HIGH>;
> > + interrupt-names = "pwr_event",
> > + "qusb2_phy",
> > + "dm_hs_phy_irq",
> > + "dp_hs_phy_irq";
> > +
>
> Please check the hs_phy_irq as well and add it if its present.
Will add.
> > + resets = <&gcc GCC_USB1_BCR>;
> > + qcom,select-utmi-as-pipe-clk;
> > + status = "disabled";
> > +
> > + dwc_1: usb@...0000 {
> > + compatible = "snps,dwc3";
> > + reg = <0 0x01e00000 0 0xe000>;
> > + clocks = <&gcc GCC_USB1_MOCK_UTMI_CLK>;
> > + clock-names = "ref";
>
> Another clock in dwc3 node ?
>
> > + interrupts = <GIC_SPI 396 IRQ_TYPE_LEVEL_HIGH>;
> > + phys = <&qusb_phy_1>;
> > + phy-names = "usb2-phy";
> > + tx-fifo-resize;
> > + snps,is-utmi-l1-suspend;
> > + snps,hird-threshold = /bits/ 8 <0x0>;
> > + snps,dis_u2_susphy_quirk;
> > + snps,dis_u3_susphy_quirk;
> > + };
> > + };
> > +
> > + qusb_phy_0: phy@...00 {
> > + compatible = "qcom,ipq5424-qusb2-phy";
> > + reg = <0 0x0007b000 0 0x180>;
> > + #phy-cells = <0>;
> > +
> > + clocks = <&gcc GCC_USB0_PHY_CFG_AHB_CLK>,
> > + <&xo_board>;
> > + clock-names = "cfg_ahb", "ref";
> > +
> > + resets = <&gcc GCC_QUSB2_0_PHY_BCR>;
> > + status = "disabled";
> > + };
> > +
> > + ssphy_0: phy@...00 {
> > + compatible = "qcom,ipq5424-qmp-usb3-phy";
> > + reg = <0 0x0007d000 0 0xa00>;
> > + #phy-cells = <0>;
> > +
> > + clocks = <&gcc GCC_USB0_AUX_CLK>,
> > + <&xo_board>,
> > + <&gcc GCC_USB0_PHY_CFG_AHB_CLK>,
> > + <&gcc GCC_USB0_PIPE_CLK>;
> > + clock-names = "aux",
> > + "ref",
> > + "cfg_ahb",
> > + "pipe";
> > +
> > + resets = <&gcc GCC_USB0_PHY_BCR>,
> > + <&gcc GCC_USB3PHY_0_PHY_BCR>;
> > + reset-names = "phy",
> > + "phy_phy";
> > +
> > + #clock-cells = <0>;
> > + clock-output-names = "usb0_pipe_clk";
> > +
> > + status = "disabled";
> > + };
> > +
> > + usb3: usb3@...0000 {
> > + compatible = "qcom,ipq5424-dwc3", "qcom,dwc3";
> > + reg = <0 0x08af8800 0 0x400>;
> > +
> > + #address-cells = <2>;
> > + #size-cells = <2>;
> > + ranges;
> > +
> > + clocks = <&gcc GCC_USB0_MASTER_CLK>,
> > + <&gcc GCC_USB0_SLEEP_CLK>,
> > + <&gcc GCC_USB0_MOCK_UTMI_CLK>,
> > + <&gcc GCC_USB0_PHY_CFG_AHB_CLK>,
> > + <&gcc GCC_CNOC_USB_CLK>;
> > +
> > + clock-names = "core",
> > + "sleep",
> > + "mock_utmi",
> > + "iface",
> > + "cfg_noc";
> > +
> > + assigned-clocks = <&gcc GCC_USB0_MASTER_CLK>,
> > + <&gcc GCC_USB0_MOCK_UTMI_CLK>;
> > + assigned-clock-rates = <200000000>,
> > + <24000000>;
> > +
>
> same comment as above, isn't this supposed to be 19.2MHz ?
XO is 24MHz in this SoC.
> > + interrupts-extended = <&intc GIC_SPI 412 IRQ_TYPE_LEVEL_HIGH>,
> > + <&intc GIC_SPI 414 IRQ_TYPE_LEVEL_HIGH>;
> > + interrupt-names = "pwr_event",
> > + "qusb2_phy";
> > +
>
> DP/ DM interrupts ?
Will add.
> > + resets = <&gcc GCC_USB_BCR>;
> > + status = "disabled";
> > +
> > + dwc_0: usb@...0000 {
> > + compatible = "snps,dwc3";
> > + reg = <0 0x08a00000 0 0xcd00>;
> > + clocks = <&gcc GCC_USB0_MOCK_UTMI_CLK>;
> > + clock-names = "ref";
> > + interrupts = <GIC_SPI 409 IRQ_TYPE_LEVEL_HIGH>;
> > + phys = <&qusb_phy_0>, <&ssphy_0>;
> > + phy-names = "usb2-phy", "usb3-phy";
> > + tx-fifo-resize;
> > + snps,is-utmi-l1-suspend;
> > + snps,hird-threshold = /bits/ 8 <0x0>;
> > + snps,dis_u2_susphy_quirk;
> > + snps,dis_u3_susphy_quirk;
>
> Disable u1/u2 entry as well please.
Will add.
Thanks
Varada
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