Re: [PATCH v6 RESEND 4/4] arm64: dts: qcom: aim300: add AIM300 AIoT

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On Mon, 1 Apr 2024 at 12:40, Tengfei Fan <quic_tengfan@xxxxxxxxxxx> wrote:
>
> Add AIM300 AIoT Carrier board DTS support, including usb, UART, PCIe,
> I2C functions support.
> Here is a diagram of AIM300 AIoT Carrie Board and SoM
>  +--------------------------------------------------+
>  |             AIM300 AIOT Carrie Board             |
>  |                                                  |
>  |           +-----------------+                    |
>  |power----->| Fixed regulator |---------+          |
>  |           +-----------------+         |          |
>  |                                       |          |
>  |                                       v VPH_PWR  |
>  | +----------------------------------------------+ |
>  | |                          AIM300 SOM |        | |
>  | |                                     |VPH_PWR | |
>  | |                                     v        | |
>  | |   +-------+       +--------+     +------+    | |
>  | |   | UFS   |       | QCS8550|     |PMIC  |    | |
>  | |   +-------+       +--------+     +------+    | |
>  | |                                              | |
>  | +----------------------------------------------+ |
>  |                                                  |
>  |                    +----+          +------+      |
>  |                    |USB |          | UART |      |
>  |                    +----+          +------+      |
>  +--------------------------------------------------+
>
> Co-developed-by: Qiang Yu <quic_qianyu@xxxxxxxxxxx>
> Signed-off-by: Qiang Yu <quic_qianyu@xxxxxxxxxxx>
> Co-developed-by: Ziyue Zhang <quic_ziyuzhan@xxxxxxxxxxx>
> Signed-off-by: Ziyue Zhang <quic_ziyuzhan@xxxxxxxxxxx>
> Signed-off-by: Tengfei Fan <quic_tengfan@xxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/Makefile             |   1 +
>  .../boot/dts/qcom/qcs8550-aim300-aiot.dts     | 384 ++++++++++++++++++
>  2 files changed, 385 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/qcs8550-aim300-aiot.dts
>
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 7d40ec5e7d21..02d9bc3bfce7 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -96,6 +96,7 @@ dtb-$(CONFIG_ARCH_QCOM)       += qcm6490-idp.dtb
>  dtb-$(CONFIG_ARCH_QCOM)        += qcs404-evb-1000.dtb
>  dtb-$(CONFIG_ARCH_QCOM)        += qcs404-evb-4000.dtb
>  dtb-$(CONFIG_ARCH_QCOM)        += qcs6490-rb3gen2.dtb
> +dtb-$(CONFIG_ARCH_QCOM)        += qcs8550-aim300-aiot.dtb
>  dtb-$(CONFIG_ARCH_QCOM)        += qdu1000-idp.dtb
>  dtb-$(CONFIG_ARCH_QCOM)        += qrb2210-rb1.dtb
>  dtb-$(CONFIG_ARCH_QCOM)        += qrb4210-rb2.dtb
> diff --git a/arch/arm64/boot/dts/qcom/qcs8550-aim300-aiot.dts b/arch/arm64/boot/dts/qcom/qcs8550-aim300-aiot.dts
> new file mode 100644
> index 000000000000..8188766c3d84
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/qcs8550-aim300-aiot.dts
> @@ -0,0 +1,384 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * Copyright (c) 2023-2024, Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/leds/common.h>
> +#include "qcs8550-aim300.dtsi"
> +#include "pm8010.dtsi"
> +#include "pmr735d_a.dtsi"
> +#include "pmr735d_b.dtsi"
> +
> +/ {
> +       model = "Qualcomm Technologies, Inc. QCS8550 AIM300 AIOT";
> +       compatible = "qcom,qcs8550-aim300-aiot", "qcom,qcs8550-aim300", "qcom,qcs8550",
> +                    "qcom,sm8550";
> +
> +       aliases {
> +               serial0 = &uart7;
> +       };
> +
> +       chosen {
> +               stdout-path = "serial0:115200n8";
> +       };
> +
> +       gpio-keys {
> +               compatible = "gpio-keys";
> +
> +               pinctrl-0 = <&volume_up_n>;
> +               pinctrl-names = "default";
> +
> +               key-volume-up {
> +                       label = "Volume Up";
> +                       debounce-interval = <15>;
> +                       gpios = <&pm8550_gpios 6 GPIO_ACTIVE_LOW>;
> +                       linux,code = <KEY_VOLUMEUP>;
> +                       linux,can-disable;
> +                       wakeup-source;
> +               };
> +       };
> +
> +       pmic-glink {
> +               compatible = "qcom,sm8550-pmic-glink", "qcom,pmic-glink";
> +               #address-cells = <1>;
> +               #size-cells = <0>;
> +               orientation-gpios = <&tlmm 11 GPIO_ACTIVE_HIGH>;
> +
> +               connector@0 {
> +                       compatible = "usb-c-connector";
> +                       reg = <0>;
> +                       power-role = "dual";
> +                       data-role = "dual";
> +
> +                       ports {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +
> +                               port@0 {
> +                                       reg = <0>;
> +
> +                                       pmic_glink_hs_in: endpoint {
> +                                               remote-endpoint = <&usb_1_dwc3_hs>;
> +                                       };
> +                               };
> +
> +                               port@1 {
> +                                       reg = <1>;
> +
> +                                       pmic_glink_ss_in: endpoint {
> +                                               remote-endpoint = <&redriver_ss_out>;
> +                                       };
> +                               };
> +
> +                               port@2 {
> +                                       reg = <2>;
> +
> +                                       pmic_glink_sbu: endpoint {
> +                                               remote-endpoint = <&fsa4480_sbu_mux>;
> +                                       };
> +                               };
> +                       };
> +               };
> +       };
> +
> +       vph_pwr: regulator-vph-pwr {
> +               compatible = "regulator-fixed";
> +               regulator-name = "vph_pwr";
> +               regulator-min-microvolt = <3700000>;
> +               regulator-max-microvolt = <3700000>;
> +
> +               regulator-always-on;
> +               regulator-boot-on;
> +       };
> +};
> +
> +&apps_rsc {
> +       regulators-0 {
> +               vdd-bob1-supply = <&vph_pwr>;
> +               vdd-bob2-supply = <&vph_pwr>;
> +       };
> +
> +       regulators-3 {
> +               vdd-s4-supply = <&vph_pwr>;
> +               vdd-s5-supply = <&vph_pwr>;
> +       };
> +
> +       regulators-4 {
> +               vdd-s4-supply = <&vph_pwr>;
> +       };
> +
> +       regulators-5 {
> +               vdd-s1-supply = <&vph_pwr>;
> +               vdd-s2-supply = <&vph_pwr>;
> +               vdd-s3-supply = <&vph_pwr>;
> +               vdd-s4-supply = <&vph_pwr>;
> +               vdd-s5-supply = <&vph_pwr>;
> +               vdd-s6-supply = <&vph_pwr>;
> +       };
> +};
> +
> +&i2c_hub_2 {
> +       status = "okay";
> +
> +       typec-mux@42 {
> +               compatible = "fcs,fsa4480";
> +               reg = <0x42>;
> +
> +               vcc-supply = <&vreg_bob1>;
> +
> +               mode-switch;
> +               orientation-switch;
> +
> +               port {
> +                       fsa4480_sbu_mux: endpoint {
> +                               remote-endpoint = <&pmic_glink_sbu>;
> +                       };
> +               };
> +       };
> +
> +       typec-retimer@1c {
> +               compatible = "onnn,nb7vpq904m";
> +               reg = <0x1c>;
> +
> +               vcc-supply = <&vreg_l15b_1p8>;
> +
> +               orientation-switch;
> +               retimer-switch;
> +
> +               ports {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +
> +                       port@0 {
> +                               reg = <0>;
> +
> +                               redriver_ss_out: endpoint {
> +                                       remote-endpoint = <&pmic_glink_ss_in>;
> +                               };
> +                       };
> +
> +                       port@1 {
> +                               reg = <1>;
> +
> +                               redriver_ss_in: endpoint {
> +                                       data-lanes = <3 2 1 0>;
> +                                       remote-endpoint = <&usb_dp_qmpphy_out>;
> +                               };
> +                       };
> +               };
> +       };
> +};
> +
> +&mdss_dsi0 {
> +       vdda-supply = <&vreg_l3e_1p2>;

Is this wired on the carrier board or on the AIC300 SoM?

> +       status = "okay";
> +
> +       panel@0 {
> +               compatible = "visionox,vtdr6130";
> +               reg = <0>;
> +
> +               pinctrl-0 = <&dsi_active>, <&te_active>;
> +               pinctrl-1 = <&dsi_suspend>, <&te_suspend>;
> +               pinctrl-names = "default", "sleep";
> +
> +               reset-gpios = <&tlmm 133 GPIO_ACTIVE_LOW>;
> +
> +               vci-supply = <&vreg_l13b_3p0>;
> +               vdd-supply = <&vreg_l11b_1p2>;
> +               vddio-supply = <&vreg_l12b_1p8>;
> +
> +               port {
> +                       panel0_in: endpoint {
> +                               remote-endpoint = <&mdss_dsi0_out>;
> +                       };
> +               };
> +       };
> +};
> +
> +&mdss_dsi0_out {
> +       remote-endpoint = <&panel0_in>;
> +       data-lanes = <0 1 2 3>;
> +};
> +
> +&mdss_dsi0_phy {
> +       vdds-supply = <&vreg_l1e_0p88>;

This too

> +       status = "okay";
> +};
> +
> +&pcie0 {
> +       perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
> +       wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;

And this

> +
> +       pinctrl-0 = <&pcie0_default_state>;
> +       pinctrl-names = "default";
> +
> +       status = "okay";
> +};
> +
> +&pcie0_phy {
> +       vdda-phy-supply = <&vreg_l1e_0p88>;
> +       vdda-pll-supply = <&vreg_l3e_1p2>;

You guess the question. I think I'll stop here. Please review your
changes here, which are really specific to the carrier board and which
apply to the SoM.

> +
> +       status = "okay";
> +};
> +
> +&pcie_1_phy_aux_clk {
> +       clock-frequency = <1000>;
> +};
> +
> +&pcie1 {
> +       perst-gpios = <&tlmm 97 GPIO_ACTIVE_LOW>;
> +       wake-gpios = <&tlmm 99 GPIO_ACTIVE_HIGH>;
> +
> +       pinctrl-0 = <&pcie1_default_state>;
> +       pinctrl-names = "default";
> +
> +       status = "okay";
> +};
> +
> +&pcie1_phy {
> +       vdda-phy-supply = <&vreg_l3c_0p9>;
> +       vdda-pll-supply = <&vreg_l3e_1p2>;
> +       vdda-qref-supply = <&vreg_l1e_0p88>;
> +
> +       status = "okay";
> +};
> +
> +&pm8550_gpios {
> +       volume_up_n: volume-up-n-state {
> +               pins = "gpio6";
> +               function = "normal";
> +               power-source = <1>;
> +               bias-pull-up;
> +               input-enable;
> +       };
> +};
> +
> +&pm8550b_eusb2_repeater {
> +       vdd18-supply = <&vreg_l15b_1p8>;
> +       vdd3-supply = <&vreg_l5b_3p1>;
> +};
> +
> +
> +&pon_pwrkey {
> +       status = "okay";
> +};
> +
> +&pon_resin {
> +       linux,code = <KEY_VOLUMEDOWN>;
> +
> +       status = "okay";
> +};
> +
> +&qupv3_id_0 {
> +       status = "okay";
> +};
> +
> +&remoteproc_adsp {
> +       firmware-name = "qcom/qcs8550/adsp.mbn",
> +                       "qcom/qcs8550/adsp_dtbs.elf";
> +       status = "okay";
> +};
> +
> +&remoteproc_cdsp {
> +       firmware-name = "qcom/qcs8550/cdsp.mbn",
> +                       "qcom/qcs8550/cdsp_dtbs.elf";
> +       status = "okay";
> +};
> +
> +&sleep_clk {
> +       clock-frequency = <32000>;
> +};
> +
> +&swr1 {
> +       status = "okay";
> +};
> +
> +&swr2 {
> +       status = "okay";
> +};
> +
> +&tlmm {
> +       gpio-reserved-ranges = <32 8>;
> +
> +       dsi_active: dsi-active-state {
> +               pins = "gpio133";
> +               function = "gpio";
> +               drive-strength = <8>;
> +               bias-disable;
> +       };
> +
> +       dsi_suspend: dsi-suspend-state {
> +               pins = "gpio133";
> +               function = "gpio";
> +               drive-strength = <2>;
> +               bias-pull-down;
> +       };
> +
> +       te_active: te-active-state {
> +               pins = "gpio86";
> +               function = "mdp_vsync";
> +               drive-strength = <2>;
> +               bias-pull-down;
> +       };
> +
> +       te_suspend: te-suspend-state {
> +               pins = "gpio86";
> +               function = "mdp_vsync";
> +               drive-strength = <2>;
> +               bias-pull-down;
> +       };
> +};
> +
> +&uart7 {
> +       status = "okay";
> +};
> +
> +&usb_1 {
> +       status = "okay";
> +};
> +
> +&usb_1_dwc3 {
> +       dr_mode = "otg";
> +       usb-role-switch;
> +};
> +
> +&usb_1_dwc3_hs {
> +       remote-endpoint = <&pmic_glink_hs_in>;
> +};
> +
> +&usb_1_dwc3_ss {
> +       remote-endpoint = <&usb_dp_qmpphy_usb_ss_in>;
> +};
> +
> +&usb_1_hsphy {
> +       phys = <&pm8550b_eusb2_repeater>;
> +
> +       vdd-supply = <&vreg_l1e_0p88>;
> +       vdda12-supply = <&vreg_l3e_1p2>;
> +
> +       status = "okay";
> +};
> +
> +&usb_dp_qmpphy {
> +       vdda-phy-supply = <&vreg_l3e_1p2>;
> +       vdda-pll-supply = <&vreg_l3f_0p88>;
> +
> +       orientation-switch;
> +
> +       status = "okay";
> +};
> +
> +&usb_dp_qmpphy_out {
> +       remote-endpoint = <&redriver_ss_in>;
> +};
> +
> +&usb_dp_qmpphy_usb_ss_in {
> +       remote-endpoint = <&usb_1_dwc3_ss>;
> +};
> +
> +&xo_board {
> +       clock-frequency = <76800000>;
> +};
> --
> 2.25.1
>
>


-- 
With best wishes
Dmitry




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