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Message-ID: <CAA8EJppXuaGx4VhZ9fOBUkD8fECngzJ8pubNC4bm_0M9+64ZqQ@mail.gmail.com>
Date: Wed, 22 Mar 2023 16:41:01 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Varadarajan Narayanan <quic_varada@...cinc.com>
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 v3 7/8] arm64: dts: qcom: ipq9574: Add USB related nodes
On Wed, 22 Mar 2023 at 12:46, 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 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)
> ---
> arch/arm64/boot/dts/qcom/ipq9574.dtsi | 86 +++++++++++++++++++++++++++++++++++
> 1 file changed, 86 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> index 2bb4053..0943901 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -215,6 +215,48 @@
> #size-cells = <1>;
> ranges = <0 0 0 0xffffffff>;
>
> + qusb_phy_0: phy@...00 {
> + compatible = "qcom,ipq9574-qusb2-phy";
> + reg = <0x07b000 0x180>;
Please pad addresses to 8 hex digits.
> + #phy-cells = <0>;
> +
> + clocks = <&gcc GCC_USB0_PHY_CFG_AHB_CLK>,
> + <&xo_board_clk>;
> + clock-names = "cfg_ahb", "ref";
> +
> + resets = <&gcc GCC_QUSB2_0_PHY_BCR>;
> + status = "disabled";
> + };
> +
> + ssphy_0: phy@...00 {
> + compatible = "qcom,ipq9574-qmp-usb3-phy";
> + reg = <0x7d000 0x1c4>;
> + #clock-cells = <1>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + clocks = <&gcc GCC_USB0_AUX_CLK>,
> + <&gcc GCC_USB0_PHY_CFG_AHB_CLK>;
Could you please check the indentation here? Vertical lists should be aligned
> + clock-names = "aux", "cfg_ahb";
One item per line
> +
> + resets = <&gcc GCC_USB0_PHY_BCR>,
> + <&gcc GCC_USB3PHY_0_PHY_BCR>;
> + reset-names = "phy","common";
> + status = "disabled";
> +
> + usb0_ssphy: phy@...00 {
Newer bindings please, without subnodes.
> + reg = <0x0007d200 0x130>, /* tx */
> + <0x0007d400 0x200>, /* rx */
> + <0x0007d800 0x1f8>, /* pcs */
> + <0x0007d600 0x044>; /* pcs misc */
> + #phy-cells = <0>;
> + clocks = <&gcc GCC_USB0_PIPE_CLK>;
> + clock-names = "pipe0";
> + clock-output-names = "usb0_pipe_clk";
> + };
> + };
> +
> pcie0_phy: phy@...00 {
> compatible = "qcom,ipq9574-qmp-gen3x1-pcie-phy";
> reg = <0x00084000 0x1bc>; /* Serdes PLL */
> @@ -436,6 +478,50 @@
> status = "disabled";
> };
>
> + usb3: usb3@...0000 {
> + compatible = "qcom,ipq9574-dwc3", "qcom,dwc3";
> + reg = <0x8af8800 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>;
Indentation?
> +
> + 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>, <&usb0_ssphy>;
> + 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";
Is dr_mode a property of the host or of the board?
> + };
> + };
> +
> intc: interrupt-controller@...0000 {
> compatible = "qcom,msm-qgic2";
> reg = <0x0b000000 0x1000>, /* GICD */
> --
> 2.7.4
>
--
With best wishes
Dmitry
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