Re: [PATCH 3/4] ARM: dts: qcom: sdx65: Add USB3 and PHY support

From: Krzysztof Kozlowski
Date: Tue Apr 12 2022 - 08:19:00 EST


On 12/04/2022 13:03, Rohit Agarwal wrote:
> Add devicetree nodes for enabling USB3 controller, Qcom QMP PHY and
> SNPS HS PHY on SDX65.
>
> Signed-off-by: Rohit Agarwal <quic_rohiagar@xxxxxxxxxxx>
> ---
> arch/arm/boot/dts/qcom-sdx65.dtsi | 83 +++++++++++++++++++++++++++++++++++++++
> 1 file changed, 83 insertions(+)
>
> diff --git a/arch/arm/boot/dts/qcom-sdx65.dtsi b/arch/arm/boot/dts/qcom-sdx65.dtsi
> index 3e4dc63..e419e47 100644
> --- a/arch/arm/boot/dts/qcom-sdx65.dtsi
> +++ b/arch/arm/boot/dts/qcom-sdx65.dtsi
> @@ -130,6 +130,7 @@
> reg = <0x00100000 0x001f7400>;
> clocks = <&rpmhcc RPMH_CXO_CLK>, <&rpmhcc RPMH_CXO_CLK_A>, <&sleep_clk>;
> clock-names = "bi_tcxo", "bi_tcxo_ao", "sleep_clk";
> + #power-domain-cells = <1>;
> #clock-cells = <1>;
> #reset-cells = <1>;
> };
> @@ -143,6 +144,45 @@
> status = "disabled";
> };
>
> + usb_hsphy: hsphy@ff4000 {

Generic node names, so "phy".

> + compatible = "qcom,usb-snps-hs-7nm-phy";
> + reg = <0xff4000 0x120>;
> + #phy-cells = <0>;
> + status = "disabled";
> + clocks = <&rpmhcc RPMH_CXO_CLK>;
> + clock-names = "ref";
> + resets = <&gcc GCC_QUSB2PHY_BCR>;
> + };
> +
> + usb_qmpphy: phy@ff6000 {
> + compatible = "qcom,sdx65-qmp-usb3-uni-phy";
> + reg = <0x00ff6000 0x1c8>;
> + status = "disabled";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + clocks = <&gcc GCC_USB3_PHY_AUX_CLK>,
> + <&gcc GCC_USB_PHY_CFG_AHB2PHY_CLK>,
> + <&gcc GCC_USB3_PRIM_CLKREF_EN>;
> + clock-names = "aux", "cfg_ahb", "ref";
> +
> + resets = <&gcc GCC_USB3PHY_PHY_BCR>,
> + <&gcc GCC_USB3_PHY_BCR>;
> + reset-names = "phy", "common";
> +
> + usb_ssphy: phy@ff6200 {
> + reg = <0x00ff6e00 0x160>,
> + <0x00ff7000 0x1ec>,
> + <0x00ff6200 0x1e00>;
> + #phy-cells = <0>;
> + #clock-cells = <0>;
> + clocks = <&gcc GCC_USB3_PHY_PIPE_CLK>;
> + clock-names = "pipe0";
> + clock-output-names = "usb3_uni_phy_pipe_clk_src";
> + };
> + };
> +
> system_noc: interconnect@1620000 {
> compatible = "qcom,sdx65-system-noc";
> reg = <0x1620000 0x31200>;
> @@ -182,6 +222,49 @@
> status = "disabled";
> };
>
> + usb: usb@a6f8800 {
> + compatible = "qcom,sdx65-dwc3", "qcom,dwc3";
> + reg = <0x0a6f8800 0x400>;
> + status = "disabled";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + clocks = <&gcc GCC_USB30_SLV_AHB_CLK>,
> + <&gcc GCC_USB30_MASTER_CLK>,
> + <&gcc GCC_USB30_MSTR_AXI_CLK>,
> + <&gcc GCC_USB30_MOCK_UTMI_CLK>,
> + <&gcc GCC_USB30_SLEEP_CLK>;
> + clock-names = "cfg_noc", "core", "iface", "mock_utmi",
> + "sleep";
> +
> + assigned-clocks = <&gcc GCC_USB30_MOCK_UTMI_CLK>,
> + <&gcc GCC_USB30_MASTER_CLK>;
> + assigned-clock-rates = <19200000>, <200000000>;
> +
> + interrupts-extended = <&intc GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>,
> + <&pdc 19 IRQ_TYPE_EDGE_BOTH>,
> + <&pdc 76 IRQ_TYPE_LEVEL_HIGH>,
> + <&pdc 18 IRQ_TYPE_EDGE_BOTH>;
> + interrupt-names = "hs_phy_irq", "dp_hs_phy_irq",
> + "ss_phy_irq", "dm_hs_phy_irq";
> +
> + power-domains = <&gcc USB30_GDSC>;
> +
> + resets = <&gcc GCC_USB30_BCR>;
> +
> + usb_dwc3: dwc3@a600000 {

usb. Please test your changes with `make dtbs_check`. This should
clearly fail.


Best regards,
Krzysztof