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Message-ID: <20230331092710.GB19162@varda-linux.qualcomm.com>
Date: Fri, 31 Mar 2023 14:57:11 +0530
From: Varadarajan Narayanan <quic_varada@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: <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>, <gregkh@...uxfoundation.org>,
<mturquette@...libre.com>, <sboyd@...nel.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-clk@...r.kernel.org>
Subject: Re: [PATCH v5 7/8] arm64: dts: qcom: ipq9574: Add USB related nodes
On Thu, Mar 30, 2023 at 12:44:40PM +0300, Dmitry Baryshkov wrote:
> On Thu, 30 Mar 2023 at 11:42, Varadarajan Narayanan
> <quic_varada@...cinc.com> wrote:
> >
> > Add USB phy and controller related nodes
> >
> > Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> > ---
> > Changes in v5:
> > - Fix additional comments
> > - Edit nodes to match with qcom,sc8280xp-qmp-usb3-uni-phy.yaml
> > - 'make dtbs_check' giving the following messages since
> > ipq9574 doesn't have power domains. Hope this is ok
> >
> > /local/mnt/workspace/varada/varda-linux/arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dtb: phy@...00: 'power-domains' is a required property
> > From schema: /local/mnt/workspace/varada/varda-linux/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-usb3-uni-phy.yaml
> > /local/mnt/workspace/varada/varda-linux/arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dtb: usb@...0000: 'power-domains' is a required property
> > From schema: /local/mnt/workspace/varada/varda-linux/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
>
> No, I think it is not.
There are no GDSCs in IPQ9574. Can you suggest how to proceed.
Thanks
Varada
> > Changes in v4:
> > - Use newer bindings without subnodes
> > - Fix coding style issues
> >
> > Changes in v3:
> > - Insert the nodes at proper location
> >
> > Changes in v2:
> > - Fixed issues flagged by Krzysztof
> > - Fix issues reported by make dtbs_check
> > - Remove NOC related clocks (to be added with proper
> > interconnect support)
> >
> > Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>
> > ---
> > arch/arm64/boot/dts/qcom/ipq9574.dtsi | 120 ++++++++++++++++++++++++++++++++++
> > 1 file changed, 120 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> > index 2bb4053..8fa9e1a 100644
> > --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> > @@ -186,6 +186,33 @@
> > method = "smc";
> > };
> >
> > + reg_usb_3p3: s3300 {
> > + compatible = "regulator-fixed";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > + regulator-boot-on;
> > + regulator-always-on;
> > + regulator-name = "usb-phy-vdd-dummy";
> > + };
> > +
> > + reg_usb_1p8: s1800 {
> > + compatible = "regulator-fixed";
> > + regulator-min-microvolt = <1800000>;
> > + regulator-max-microvolt = <1800000>;
> > + regulator-boot-on;
> > + regulator-always-on;
> > + regulator-name = "usb-phy-pll-dummy";
> > + };
> > +
> > + reg_usb_0p925: s0925 {
> > + compatible = "regulator-fixed";
> > + regulator-min-microvolt = <925000>;
> > + regulator-max-microvolt = <925000>;
> > + regulator-boot-on;
> > + regulator-always-on;
> > + regulator-name = "usb-phy-dummy";
> > + };
> > +
> > reserved-memory {
> > #address-cells = <2>;
> > #size-cells = <2>;
> > @@ -215,6 +242,52 @@
> > #size-cells = <1>;
> > ranges = <0 0 0 0xffffffff>;
> >
> > + qusb_phy_0: phy@...00 {
> > + compatible = "qcom,ipq9574-qusb2-phy";
> > + reg = <0x0007b000 0x180>;
> > + #phy-cells = <0>;
> > +
> > + clocks = <&gcc GCC_USB0_PHY_CFG_AHB_CLK>,
> > + <&xo_board_clk>;
> > + clock-names = "cfg_ahb",
> > + "ref";
> > +
> > + vdd-supply = <®_usb_0p925>;
> > + vdda-pll-supply = <®_usb_1p8>;
> > + vdda-phy-dpdm-supply = <®_usb_3p3>;
> > +
> > + resets = <&gcc GCC_QUSB2_0_PHY_BCR>;
> > + status = "disabled";
> > + };
> > +
> > + ssphy_0: phy@...00 {
>
> Nit: usually the label usb_0_qmpphy
>
> > + compatible = "qcom,ipq9574-qmp-usb3-phy";
> > + reg = <0x0007d000 0xa00>;
> > + #phy-cells = <0>;
> > +
> > + clocks = <&gcc GCC_USB0_AUX_CLK>,
> > + <&xo_board_clk>,
> > + <&gcc GCC_USB0_PHY_CFG_AHB_CLK>,
> > + <&gcc GCC_USB0_PIPE_CLK>;
> > + clock-names = "aux",
> > + "ref",
> > + "com_aux",
> > + "pipe";
> > +
> > + resets = <&gcc GCC_USB0_PHY_BCR>,
> > + <&gcc GCC_USB3PHY_0_PHY_BCR>;
> > + reset-names = "phy",
> > + "phy_phy";
> > +
> > + vdda-pll-supply = <®_usb_1p8>;
> > + vdda-phy-supply = <®_usb_0p925>;
> > +
> > + status = "disabled";
> > +
> > + #clock-cells = <0>;
> > + clock-output-names = "usb0_pipe_clk";
> > + };
> > +
> > pcie0_phy: phy@...00 {
> > compatible = "qcom,ipq9574-qmp-gen3x1-pcie-phy";
> > reg = <0x00084000 0x1bc>; /* Serdes PLL */
> > @@ -436,6 +509,53 @@
> > status = "disabled";
> > };
> >
> > + usb3: usb@...0000 {
> > + compatible = "qcom,ipq9574-dwc3", "qcom,dwc3";
> > + reg = <0x08af8800 0x400>;
> > + #address-cells = <1>;
> > + #size-cells = <1>;
> > + ranges;
> > +
> > + clocks = <&gcc GCC_SNOC_USB_CLK>,
> > + <&gcc GCC_ANOC_USB_AXI_CLK>,
> > + <&gcc GCC_USB0_MASTER_CLK>,
> > + <&gcc GCC_USB0_SLEEP_CLK>,
> > + <&gcc GCC_USB0_MOCK_UTMI_CLK>;
> > +
> > + clock-names = "sys_noc_axi",
> > + "anoc_axi",
> > + "master",
> > + "sleep",
> > + "mock_utmi";
> > +
> > + assigned-clocks = <&gcc GCC_USB0_MASTER_CLK>,
> > + <&gcc GCC_USB0_MOCK_UTMI_CLK>;
> > + assigned-clock-rates = <200000000>,
> > + <24000000>;
> > +
> > + interrupts-extended = <&intc GIC_SPI 134 IRQ_TYPE_LEVEL_HIGH>;
> > + interrupt-names = "pwr_event";
> > +
> > + resets = <&gcc GCC_USB_BCR>;
> > + status = "disabled";
> > +
> > + dwc_0: usb@...0000 {
> > + compatible = "snps,dwc3";
> > + reg = <0x8a00000 0xcd00>;
> > + clocks = <&gcc GCC_USB0_MOCK_UTMI_CLK>;
> > + clock-names = "ref";
> > + interrupts = <GIC_SPI 140 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;
> > + dr_mode = "host";
> > + };
> > + };
> > +
> > intc: interrupt-controller@...0000 {
> > compatible = "qcom,msm-qgic2";
> > reg = <0x0b000000 0x1000>, /* GICD */
> > --
> > 2.7.4
> >
>
>
> --
> With best wishes
> Dmitry
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