Re: [PATCH v1 1/1] arm64: dts: rockchip: Add devicetree support for TB-RK3588X board

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Hi Elon,

On Sun, Feb 18, 2024 at 2:54 PM Elon Zhang <zhangzj@xxxxxxxxxxxxxx> wrote:
>
> Add board file for Rockchip Toybrick TB-RK3588X board.
>
> Specification:
>         Rockchip Rk3588 SoC
>         4x ARM Cortex-A76, 4x ARM Cortex-A55
>         8/16GB Memory LPDDR4x
>         Mali G610MC4 GPU
>         2× MIPI-CSI0 Connector
>         1x 2Lanes PCIe3.0 Connector
>         1x SATA3.0 Connector
>         32GB eMMC Module
>         2x USB 2.0, 2x USB 3.0
>         1x HDMI Output, 1x HDMI Input
>         2x Ethernet Port
>
> Functions work normally:
>         [1] USB2.0 Host
>         [2] Ethernet0 with PHY RTL8211F
>
> More information can be obtained from the following websites:
>         [1] https://t.rock-chips.com/en/wiki/EN/tb-rk3588x_en/index.html
>         [2] http://t.rock-chips.com/
>
> Signed-off-by: Elon Zhang <zhangzj@xxxxxxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/rockchip/Makefile         |   1 +
>  .../boot/dts/rockchip/rk3588-toybrick-x0.dts  | 672 ++++++++++++++++++
>  2 files changed, 673 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3588-toybrick-x0.dts
>
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
> index a7b30e11beaf..e0722b6e2d99 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -110,6 +110,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-nanopc-t6.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-orangepi-5-plus.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-quartzpro64.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5b.dtb
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-toybrick-x0.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-turing-rk1.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-coolpi-4b.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-indiedroid-nova.dtb
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588-toybrick-x0.dts b/arch/arm64/boot/dts/rockchip/rk3588-toybrick-x0.dts
> new file mode 100644
> index 000000000000..ef7e5ee75021
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3588-toybrick-x0.dts
> @@ -0,0 +1,672 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2021 Rockchip Electronics Co., Ltd.

Do we need to update the copyright?

> + *
> + */
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include <dt-bindings/pinctrl/rockchip.h>
> +#include "rk3588.dtsi"
> +
> +/ {
> +       model = "Rockchip Toybrick TB-RK3588X Board";
> +       compatible = "rockchip,rk3588-toybrick-x0", "rockchip,rk3588";

"rockchip,rk3588-toybrick-x0" needs to be synchronized in
"Documentation/devicetree/bindings/arm/rockchip.yaml".

> +
> +       aliases {
> +               mmc0 = &sdhci;
> +               serial2 = &uart2;
> +       };
> +
> +       chosen {
> +               stdout-path = "serial2:1500000n8";
> +       };
> +
> +       adc-keys {
> +               compatible = "adc-keys";
> +               io-channels = <&saradc 1>;
> +               io-channel-names = "buttons";
> +               keyup-threshold-microvolt = <1800000>;
> +               poll-interval = <100>;
> +
> +               button-vol-up {
> +                       label = "Volume Up";
> +                       linux,code = <KEY_VOLUMEUP>;
> +                       press-threshold-microvolt = <17000>;
> +               };
> +
> +               button-vol-down {
> +                       label = "Volume Down";
> +                       linux,code = <KEY_VOLUMEDOWN>;
> +                       press-threshold-microvolt = <417000>;
> +               };
> +
> +               button-menu {
> +                       label = "Menu";
> +                       linux,code = <KEY_MENU>;
> +                       press-threshold-microvolt = <890000>;
> +               };
> +
> +               button-escape {
> +                       label = "Escape";
> +                       linux,code = <KEY_ESC>;
> +                       press-threshold-microvolt = <1235000>;
> +               };
> +       };
> +
> +       backlight: backlight {
> +               compatible = "pwm-backlight";
> +               power-supply = <&vcc12v_dcin>;
> +               pwms = <&pwm2 0 25000 0>;
> +       };
> +
> +       pcie20_avdd0v85: pcie20-avdd0v85-regulator {
> +               compatible = "regulator-fixed";
> +               regulator-name = "pcie20_avdd0v85";
> +               regulator-always-on;
> +               regulator-boot-on;
> +               regulator-min-microvolt = <850000>;
> +               regulator-max-microvolt = <850000>;
> +               vin-supply = <&vdd_0v85_s0>;
> +       };
> +
> +       pcie20_avdd1v8: pcie20-avdd1v8-regulator {
> +               compatible = "regulator-fixed";
> +               regulator-name = "pcie20_avdd1v8";
> +               regulator-always-on;
> +               regulator-boot-on;
> +               regulator-min-microvolt = <1800000>;
> +               regulator-max-microvolt = <1800000>;
> +               vin-supply = <&avcc_1v8_s0>;
> +       };
> +
> +       pcie30_avdd0v75: pcie30-avdd0v75-regulator {
> +               compatible = "regulator-fixed";
> +               regulator-name = "pcie30_avdd0v75";
> +               regulator-always-on;
> +               regulator-boot-on;
> +               regulator-min-microvolt = <750000>;
> +               regulator-max-microvolt = <750000>;
> +               vin-supply = <&avdd_0v75_s0>;
> +       };
> +
> +       pcie30_avdd1v8: pcie30-avdd1v8-regulator {
> +               compatible = "regulator-fixed";
> +               regulator-name = "pcie30_avdd1v8";
> +               regulator-always-on;
> +               regulator-boot-on;
> +               regulator-min-microvolt = <1800000>;
> +               regulator-max-microvolt = <1800000>;
> +               vin-supply = <&avcc_1v8_s0>;
> +       };
> +
> +       vcc12v_dcin: vcc12v-dcin-regulator {
> +               compatible = "regulator-fixed";
> +               regulator-name = "vcc12v_dcin";
> +               regulator-always-on;
> +               regulator-boot-on;
> +               regulator-min-microvolt = <12000000>;
> +               regulator-max-microvolt = <12000000>;
> +       };
> +
> +       vcc5v0_host: vcc5v0-host-regulator {
> +               compatible = "regulator-fixed";
> +               regulator-name = "vcc5v0_host";
> +               regulator-boot-on;
> +               regulator-always-on;
> +               regulator-min-microvolt = <5000000>;
> +               regulator-max-microvolt = <5000000>;
> +               enable-active-high;
> +               gpio = <&gpio4 RK_PB0 GPIO_ACTIVE_HIGH>;
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&vcc5v0_host_en>;
> +               vin-supply = <&vcc5v0_usb>;
> +       };
> +
> +       vcc5v0_sys: vcc5v0-sys-regulator {
> +               compatible = "regulator-fixed";
> +               regulator-name = "vcc5v0_sys";
> +               regulator-always-on;
> +               regulator-boot-on;
> +               regulator-min-microvolt = <5000000>;
> +               regulator-max-microvolt = <5000000>;
> +               vin-supply = <&vcc12v_dcin>;
> +       };
> +
> +       vcc5v0_usbdcin: vcc5v0-usbdcin-regulator {
> +               compatible = "regulator-fixed";
> +               regulator-name = "vcc5v0_usbdcin";
> +               regulator-always-on;
> +               regulator-boot-on;
> +               regulator-min-microvolt = <5000000>;
> +               regulator-max-microvolt = <5000000>;
> +               vin-supply = <&vcc12v_dcin>;
> +       };
> +
> +       vcc5v0_usb: vcc5v0-usb-regulator {
> +               compatible = "regulator-fixed";
> +               regulator-name = "vcc5v0_usb";
> +               regulator-always-on;
> +               regulator-boot-on;
> +               regulator-min-microvolt = <5000000>;
> +               regulator-max-microvolt = <5000000>;
> +               vin-supply = <&vcc5v0_usbdcin>;
> +       };
> +
> +       vcc_1v1_nldo_s3: vcc-1v1-nldo-s3-regulator {
> +               compatible = "regulator-fixed";
> +               regulator-name = "vcc_1v1_nldo_s3";
> +               regulator-always-on;
> +               regulator-boot-on;
> +               regulator-min-microvolt = <1100000>;
> +               regulator-max-microvolt = <1100000>;
> +               vin-supply = <&vcc5v0_sys>;
> +       };
> +};
> +
> +&combphy0_ps {
> +       status = "okay";
> +};
> +
> +&combphy2_psu {
> +       status = "okay";
> +};
> +
> +&cpu_b0 {
> +       cpu-supply = <&vdd_cpu_big0_s0>;
> +};
> +
> +&cpu_b1 {
> +       cpu-supply = <&vdd_cpu_big0_s0>;
> +};
> +
> +&cpu_b2 {
> +       cpu-supply = <&vdd_cpu_big1_s0>;
> +};
> +
> +&cpu_b3 {
> +       cpu-supply = <&vdd_cpu_big1_s0>;
> +};
> +
> +&cpu_l0 {
> +       cpu-supply = <&vdd_cpu_lit_s0>;
> +};
> +
> +&cpu_l1 {
> +       cpu-supply = <&vdd_cpu_lit_s0>;
> +};
> +
> +&cpu_l2 {
> +       cpu-supply = <&vdd_cpu_lit_s0>;
> +};
> +
> +&cpu_l3 {
> +       cpu-supply = <&vdd_cpu_lit_s0>;
> +};
> +
> +&gmac0 {
> +       clock_in_out = "output";
> +       phy-handle = <&rgmii_phy>;
> +       phy-mode = "rgmii-rxid";
> +       pinctrl-0 = <&gmac0_miim
> +                    &gmac0_tx_bus2
> +                    &gmac0_rx_bus2
> +                    &gmac0_rgmii_clk
> +                    &gmac0_rgmii_bus>;
> +       pinctrl-names = "default";
> +       rx_delay = <0x00>;
> +       tx_delay = <0x43>;
> +       status = "okay";
> +};
> +
> +&i2c0 {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&i2c0m2_xfer>;
> +       status = "okay";
> +
> +       vdd_cpu_big0_s0: regulator@42 {
> +               compatible = "rockchip,rk8602";
> +               reg = <0x42>;
> +               fcs,suspend-voltage-selector = <1>;
> +               regulator-name = "vdd_cpu_big0_s0";
> +               regulator-always-on;
> +               regulator-boot-on;
> +               regulator-min-microvolt = <550000>;
> +               regulator-max-microvolt = <1050000>;
> +               regulator-ramp-delay = <2300>;
> +               vin-supply = <&vcc5v0_sys>;
> +
> +               regulator-state-mem {
> +                       regulator-off-in-suspend;
> +               };
> +       };
> +
> +       vdd_cpu_big1_s0: regulator@43 {
> +               compatible = "rockchip,rk8603", "rockchip,rk8602";
> +               reg = <0x43>;
> +               fcs,suspend-voltage-selector = <1>;
> +               regulator-name = "vdd_cpu_big1_s0";
> +               regulator-always-on;
> +               regulator-boot-on;
> +               regulator-min-microvolt = <550000>;
> +               regulator-max-microvolt = <1050000>;
> +               regulator-ramp-delay = <2300>;
> +               vin-supply = <&vcc5v0_sys>;
> +
> +               regulator-state-mem {
> +                       regulator-off-in-suspend;
> +               };
> +       };
> +};
> +
> +&i2c2 {
> +       status = "okay";
> +
> +       hym8563: rtc@51 {
> +               compatible = "haoyu,hym8563";
> +               reg = <0x51>;
> +               #clock-cells = <0>;
> +               clock-output-names = "hym8563";
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&hym8563_int>;
> +               interrupt-parent = <&gpio0>;
> +               interrupts = <RK_PD4 IRQ_TYPE_LEVEL_LOW>;
> +               wakeup-source;
> +       };
> +};
> +
> +&mdio0 {
> +       rgmii_phy: ethernet-phy@1 {
> +               /* RTL8211F */
> +               compatible = "ethernet-phy-id001c.c916";
> +               reg = <0x1>;
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&rtl8211f_rst>;
> +               reset-assert-us = <20000>;
> +               reset-deassert-us = <100000>;
> +               reset-gpios = <&gpio4 RK_PB3 GPIO_ACTIVE_LOW>;
> +       };
> +};
> +
> +&pinctrl {
> +       rtl8211f {
> +               rtl8211f_rst: rtl8211f-rst {
> +                       rockchip,pins = <4 RK_PB3 RK_FUNC_GPIO &pcfg_pull_none>;
> +               };
> +
> +       };
> +
> +       hym8563 {
> +               hym8563_int: hym8563-int {
> +                       rockchip,pins = <0 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>;
> +               };
> +       };
> +
> +       usb {
> +               vcc5v0_host_en: vcc5v0-host-en {
> +                       rockchip,pins = <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
> +               };
> +       };
> +};
> +
> +&pwm2 {
> +       status = "okay";
> +};
> +
> +&saradc {
> +       vref-supply = <&vcc_1v8_s0>;
> +       status = "okay";
> +};
> +
> +&sdhci {
> +       bus-width = <8>;
> +       no-sdio;
> +       no-sd;
> +       non-removable;
> +       mmc-hs400-1_8v;
> +       mmc-hs400-enhanced-strobe;
> +       status = "okay";
> +};
> +
> +&spi2 {
> +       status = "okay";
> +       assigned-clocks = <&cru CLK_SPI2>;
> +       assigned-clock-rates = <200000000>;
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&spi2m2_cs0 &spi2m2_pins>;
> +       num-cs = <1>;
> +
> +       pmic@0 {
> +               compatible = "rockchip,rk806";
> +               spi-max-frequency = <1000000>;
> +               reg = <0x0>;
> +
> +               interrupt-parent = <&gpio0>;
> +               interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
> +
> +               pinctrl-names = "default";
> +               pinctrl-0 = <&pmic_pins>, <&rk806_dvs1_null>,
> +                           <&rk806_dvs2_null>, <&rk806_dvs3_null>;
> +
> +               system-power-controller;
> +
> +               vcc1-supply = <&vcc5v0_sys>;
> +               vcc2-supply = <&vcc5v0_sys>;
> +               vcc3-supply = <&vcc5v0_sys>;
> +               vcc4-supply = <&vcc5v0_sys>;
> +               vcc5-supply = <&vcc5v0_sys>;
> +               vcc6-supply = <&vcc5v0_sys>;
> +               vcc7-supply = <&vcc5v0_sys>;
> +               vcc8-supply = <&vcc5v0_sys>;
> +               vcc9-supply = <&vcc5v0_sys>;
> +               vcc10-supply = <&vcc5v0_sys>;
> +               vcc11-supply = <&vcc_2v0_pldo_s3>;
> +               vcc12-supply = <&vcc5v0_sys>;
> +               vcc13-supply = <&vcc_1v1_nldo_s3>;
> +               vcc14-supply = <&vcc_1v1_nldo_s3>;
> +               vcca-supply = <&vcc5v0_sys>;
> +
> +               gpio-controller;
> +               #gpio-cells = <2>;
> +
> +               rk806_dvs1_null: dvs1-null-pins {
> +                       pins = "gpio_pwrctrl1";
> +                       function = "pin_fun0";
> +               };
> +
> +               rk806_dvs2_null: dvs2-null-pins {
> +                       pins = "gpio_pwrctrl2";
> +                       function = "pin_fun0";
> +               };
> +
> +               rk806_dvs3_null: dvs3-null-pins {
> +                       pins = "gpio_pwrctrl3";
> +                       function = "pin_fun0";
> +               };
> +
> +               regulators {
> +                       vdd_gpu_s0: vdd_gpu_mem_s0: dcdc-reg1 {
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <550000>;
> +                               regulator-max-microvolt = <950000>;
> +                               regulator-ramp-delay = <12500>;
> +                               regulator-name = "vdd_gpu_s0";
> +                               regulator-enable-ramp-delay = <400>;
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                               };
> +                       };
> +
> +                       vdd_cpu_lit_s0: vdd_cpu_lit_mem_s0: dcdc-reg2 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <550000>;
> +                               regulator-max-microvolt = <950000>;
> +                               regulator-ramp-delay = <12500>;
> +                               regulator-name = "vdd_cpu_lit_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                               };
> +                       };
> +
> +                       vdd_log_s0: dcdc-reg3 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <675000>;
> +                               regulator-max-microvolt = <750000>;
> +                               regulator-ramp-delay = <12500>;
> +                               regulator-name = "vdd_log_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                                       regulator-suspend-microvolt = <750000>;
> +                               };
> +                       };
> +
> +                       vdd_vdenc_s0: vdd_vdenc_mem_s0: dcdc-reg4 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <550000>;
> +                               regulator-max-microvolt = <950000>;
> +                               regulator-init-microvolt = <750000>;
> +                               regulator-ramp-delay = <12500>;
> +                               regulator-name = "vdd_vdenc_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                               };
> +                       };
> +
> +                       vdd_ddr_s0: dcdc-reg5 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <675000>;
> +                               regulator-max-microvolt = <900000>;
> +                               regulator-ramp-delay = <12500>;
> +                               regulator-name = "vdd_ddr_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                                       regulator-suspend-microvolt = <850000>;
> +                               };
> +                       };
> +
> +                       vdd2_ddr_s3: dcdc-reg6 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-name = "vdd2_ddr_s3";
> +                               regulator-state-mem {
> +                                       regulator-on-in-suspend;
> +                               };
> +                       };
> +
> +                       vcc_2v0_pldo_s3: dcdc-reg7 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <2000000>;
> +                               regulator-max-microvolt = <2000000>;
> +                               regulator-name = "vdd_2v0_pldo_s3";
> +                               regulator-state-mem {
> +                                       regulator-on-in-suspend;
> +                                       regulator-suspend-microvolt = <2000000>;
> +                               };
> +                       };
> +
> +                       vcc_3v3_s3: dcdc-reg8 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <3300000>;
> +                               regulator-max-microvolt = <3300000>;
> +                               regulator-name = "vcc_3v3_s3";
> +                               regulator-state-mem {
> +                                       regulator-on-in-suspend;
> +                                       regulator-suspend-microvolt = <3300000>;
> +                               };
> +                       };
> +
> +                       vddq_ddr_s0: dcdc-reg9 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-name = "vddq_ddr_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                               };
> +                       };
> +
> +                       vcc_1v8_s3: dcdc-reg10 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <1800000>;
> +                               regulator-max-microvolt = <1800000>;
> +                               regulator-name = "vcc_1v8_s3";
> +                               regulator-state-mem {
> +                                       regulator-on-in-suspend;
> +                                       regulator-suspend-microvolt = <1800000>;
> +                               };
> +                       };
> +
> +                       avcc_1v8_s0: pldo-reg1 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <1800000>;
> +                               regulator-max-microvolt = <1800000>;
> +                               regulator-name = "avcc_1v8_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                               };
> +                       };
> +
> +                       vcc_1v8_s0: pldo-reg2 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <1800000>;
> +                               regulator-max-microvolt = <1800000>;
> +                               regulator-name = "vcc_1v8_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                                       regulator-suspend-microvolt = <1800000>;
> +                               };
> +                       };
> +
> +                       avdd_1v2_s0: pldo-reg3 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <1200000>;
> +                               regulator-max-microvolt = <1200000>;
> +                               regulator-name = "avdd_1v2_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                               };
> +                       };
> +
> +                       vcc_3v3_s0: pldo-reg4 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <3300000>;
> +                               regulator-max-microvolt = <3300000>;
> +                               regulator-name = "vcc_3v3_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                               };
> +                       };
> +
> +                       vccio_sd_s0: pldo-reg5 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <1800000>;
> +                               regulator-max-microvolt = <3300000>;
> +                               regulator-name = "vccio_sd_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                               };
> +                       };
> +
> +                       pldo6_s3: pldo-reg6 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <1800000>;
> +                               regulator-max-microvolt = <1800000>;
> +                               regulator-name = "pldo6_s3";
> +                               regulator-state-mem {
> +                                       regulator-on-in-suspend;
> +                                       regulator-suspend-microvolt = <1800000>;
> +                               };
> +                       };
> +
> +                       vdd_0v75_s3: nldo-reg1 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <750000>;
> +                               regulator-max-microvolt = <750000>;
> +                               regulator-name = "vdd_0v75_s3";
> +                               regulator-state-mem {
> +                                       regulator-on-in-suspend;
> +                                       regulator-suspend-microvolt = <750000>;
> +                               };
> +                       };
> +
> +                       vdd_ddr_pll_s0: nldo-reg2 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <850000>;
> +                               regulator-max-microvolt = <850000>;
> +                               regulator-name = "vdd_ddr_pll_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                                       regulator-suspend-microvolt = <850000>;
> +                               };
> +                       };
> +
> +                       avdd_0v75_s0: nldo-reg3 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <837500>;
> +                               regulator-max-microvolt = <837500>;
> +                               regulator-name = "avdd_0v75_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                               };
> +                       };
> +
> +                       vdd_0v85_s0: nldo-reg4 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <850000>;
> +                               regulator-max-microvolt = <850000>;
> +                               regulator-name = "vdd_0v85_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                               };
> +                       };
> +
> +                       vdd_0v75_s0: nldo-reg5 {
> +                               regulator-always-on;
> +                               regulator-boot-on;
> +                               regulator-min-microvolt = <750000>;
> +                               regulator-max-microvolt = <750000>;
> +                               regulator-name = "vdd_0v75_s0";
> +                               regulator-state-mem {
> +                                       regulator-off-in-suspend;
> +                               };
> +                       };
> +               };
> +       };
> +};
> +
> +&u2phy2 {
> +       status = "okay";
> +};
> +
> +&u2phy2_host {
> +       phy-supply = <&vcc5v0_host>;
> +       status = "okay";
> +};
> +
> +&u2phy3 {
> +       status = "okay";
> +};
> +
> +&u2phy3_host {
> +       phy-supply = <&vcc5v0_host>;
> +       status = "okay";
> +};
> +
> +&uart2 {
> +       pinctrl-0 = <&uart2m0_xfer>;
> +       status = "okay";
> +};
> +
> +&usb_host0_ehci {
> +       status = "okay";
> +};
> +
> +&usb_host0_ohci {
> +       status = "okay";
> +};
> +
> +&usb_host1_ehci {
> +       status = "okay";
> +};
> +
> +&usb_host1_ohci {
> +       status = "okay";
> +};
> --
> 2.34.1
>

BR,
Weizhao





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