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Message-ID: <708b5097-b41c-4c5b-9fe2-aaa578e8c6f1@quicinc.com>
Date: Thu, 25 Apr 2024 11:23:59 +0800
From: Tengfei Fan <quic_tengfan@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
CC: <andersson@...nel.org>, <konrad.dybcio@...aro.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <keescook@...omium.org>,
        <tony.luck@...el.com>, <gpiccoli@...lia.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-hardening@...r.kernel.org>,
        <kernel@...cinc.com>, Qiang Yu <quic_qianyu@...cinc.com>,
        Ziyue Zhang
	<quic_ziyuzhan@...cinc.com>
Subject: Re: [PATCH v7 4/4] arm64: dts: qcom: aim300: add AIM300 AIoT



On 4/25/2024 7:50 AM, Dmitry Baryshkov wrote:
> On Wed, 24 Apr 2024 at 05:46, Tengfei Fan <quic_tengfan@...cinc.com> 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 Carrier Board            |
>>   |                                                  |
>>   |           +-----------------+                    |
>>   |power----->| Fixed regulator |---------+          |
>>   |           +-----------------+         |          |
>>   |                                       |          |
>>   |                                       v VPH_PWR  |
>>   | +----------------------------------------------+ |
>>   | |                          AIM300 SOM |        | |
>>   | |                                     |VPH_PWR | |
>>   | |                                     v        | |
>>   | |   +-------+       +--------+     +------+    | |
>>   | |   | UFS   |       | QCS8550|     |PMIC  |    | |
>>   | |   +-------+       +--------+     +------+    | |
>>   | |                                              | |
>>   | +----------------------------------------------+ |
>>   |                                                  |
>>   |                    +----+          +------+      |
>>   |                    |USB |          | UART |      |
>>   |                    +----+          +------+      |
>>   +--------------------------------------------------+
>>
>> Co-developed-by: Qiang Yu <quic_qianyu@...cinc.com>
>> Signed-off-by: Qiang Yu <quic_qianyu@...cinc.com>
>> Co-developed-by: Ziyue Zhang <quic_ziyuzhan@...cinc.com>
>> Signed-off-by: Ziyue Zhang <quic_ziyuzhan@...cinc.com>
>> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/Makefile             |   1 +
>>   .../boot/dts/qcom/qcs8550-aim300-aiot.dts     | 343 ++++++++++++++++++
>>   2 files changed, 344 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 f63abb43e9fe..c46c10d85697 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..146bf6ea9e6a
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/qcs8550-aim300-aiot.dts
>> @@ -0,0 +1,343 @@
>> +// 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 {
>> +       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 {
>> +       status = "okay";
>> +};
>> +
>> +&pcie0 {
>> +       pinctrl-0 = <&pcie0_default_state>;
>> +       pinctrl-names = "default";
>> +
>> +       status = "okay";
>> +};
>> +
>> +&pcie0_phy {
>> +       status = "okay";
>> +};
>> +
>> +&pcie1 {
>> +       pinctrl-0 = <&pcie1_default_state>;
>> +       pinctrl-names = "default";
>> +
>> +       status = "okay";
>> +};
>> +
>> +&pcie1_phy {
>> +       status = "okay";
>> +};
>> +
>> +&pm8550_gpios {
>> +       volume_up_n: volume-up-n-state {
>> +               pins = "gpio6";
>> +               function = "normal";
>> +               power-source = <1>;
>> +               bias-pull-up;
>> +               input-enable;
>> +       };
>> +};
>> +
>> +&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";
>> +};
>> +
>> +&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";
> 
> OTG is default and can be dropped.

OTG will be dropped.

> 
>> +       usb-role-switch;
> 
> Please move to SoC dtsi and drop from board files.

This will be moved to SoC dtsi.

> 
>> +};
>> +
>> +&usb_1_dwc3_hs {
>> +       remote-endpoint = <&pmic_glink_hs_in>;
>> +};
>> +
>> +&usb_1_dwc3_ss {
>> +       remote-endpoint = <&usb_dp_qmpphy_usb_ss_in>;
> 
> This too.

This will be moved to SoC dtsi.

> 
>> +};
>> +
>> +&usb_1_hsphy {
>> +       status = "okay";
>> +};
>> +
>> +&usb_dp_qmpphy {
>> +       orientation-switch;
> 
> This too

This will be moved to SoC dtsi.

> 
>> +
>> +       status = "okay";
>> +};
>> +
>> +&usb_dp_qmpphy_out {
>> +       remote-endpoint = <&redriver_ss_in>;
>> +};
>> +
>> +&usb_dp_qmpphy_usb_ss_in {
>> +       remote-endpoint = <&usb_1_dwc3_ss>;
> 
> And this.

This will be moved to SoC dtsi.

> 
>> +};
>> --
>> 2.25.1
>>
> 
> 

-- 
Thx and BRs,
Tengfei Fan

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