Re: [PATCH v11 7/9] arm64: dts: qcom: ipq9574: Add USB related nodes

From: Varadarajan Narayanan
Date: Tue May 16 2023 - 08:06:01 EST


On Mon, May 15, 2023 at 04:06:29PM +0530, Kathiravan T wrote:
>
> On 5/9/2023 5:24 PM, Varadarajan Narayanan wrote:
> >Add USB phy and controller related nodes
> >
> >SS PHY need two supplies and HS PHY needs three supplies. 0.925V
> >and 3.3V are from fixed regulators and 1.8V is generated from
> >PMIC's LDO
> >
> >Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> >Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx>
> >---
> > Changes in v11:
> > - Rename dwc_0 -> usb_0_dwc3
> > Changes in v10:
> > - Fix regulator definitions
> > Changes in v8:
> > - Change clocks order to match the bindings
> > Changes in v7:
> > - Change com_aux -> cfg_ahb
> > Changes in v6:
> > - Introduce fixed regulators for the phy
> > - Resolved all 'make dtbs_check' messages
> >
> > 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@7d000: '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@8a00000: 'power-domains' is a required property
> > From schema: /local/mnt/workspace/varada/varda-linux/Documentation/devicetree/bindings/usb/qcom,dwc3.yaml
> >
> > 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)
> >---
> > arch/arm64/boot/dts/qcom/ipq9574.dtsi | 104 ++++++++++++++++++++++++++++++++++
> > 1 file changed, 104 insertions(+)
> >
> >diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> >index 93b4ba9..42b61f6 100644
> >--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> >+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> >@@ -150,6 +150,24 @@
> > method = "smc";
> > };
> >+ fixed_3p3: s3300 {
> >+ compatible = "regulator-fixed";
> >+ regulator-min-microvolt = <3300000>;
> >+ regulator-max-microvolt = <3300000>;
> >+ regulator-boot-on;
> >+ regulator-always-on;
> >+ regulator-name = "fixed_3p3";
> >+ };
> >+
> >+ fixed_0p925: s0925 {
> >+ compatible = "regulator-fixed";
> >+ regulator-min-microvolt = <925000>;
> >+ regulator-max-microvolt = <925000>;
> >+ regulator-boot-on;
> >+ regulator-always-on;
> >+ regulator-name = "fixed_0p925";
> >+ };
> >+
> > reserved-memory {
> > #address-cells = <2>;
> > #size-cells = <2>;
> >@@ -191,6 +209,45 @@
> > reg = <0x00060000 0x6000>;
> > };
> >+ usb_0_qusbphy: phy@7b000 {
> >+ 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";
> >+
> >+ resets = <&gcc GCC_QUSB2_0_PHY_BCR>;
> >+ status = "disabled";
> >+ };
> >+
> >+ usb_0_qmpphy: phy@7d000 {
> >+ 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",
> >+ "cfg_ahb",
> >+ "pipe";
> >+
> >+ resets = <&gcc GCC_USB0_PHY_BCR>,
> >+ <&gcc GCC_USB3PHY_0_PHY_BCR>;
> >+ reset-names = "phy",
> >+ "phy_phy";
> >+
> >+ status = "disabled";
> >+
> >+ #clock-cells = <0>;
> >+ clock-output-names = "usb0_pipe_clk";
> >+ };
> >+
> > pcie0_phy: phy@84000 {
> > compatible = "qcom,ipq9574-qmp-gen3x1-pcie-phy";
> > reg = <0x00084000 0x1000>;
> >@@ -560,6 +617,53 @@
> > status = "disabled";
> > };
> >+ usb3: usb@8a00000 {
>
> node address should be updated to 8af8800 ?

Ok. Will update and post a new patchset.

Thanks
Varada