Re: [PATCH 1/2] board: rockchip: Add support for rk3588s based Cool Pi 4B

1 Feb 2024

On 2024/1/20 19:36, Andy Yan wrote:
...
CoolPi 4B is a rk3588s based SBC.
Specification:

Rockchip RK3588S
LPDDR4 2/4/8/16 GB
TF scard slot
eMMC 8/32/64/128 GB module
SPI Nor 8MB
Gigabit ethernet drived by PCIE with RTL8111HS
HDMI Type D out
Mini DP out
USB 2.0 Host x 2
USB 3.0 OTG x 1
USB 3.0 Host x 1
WIFI/BT module AIC8800
40 pin header

The dts is from linux-6.8 rc1.
Signed-off-by: Andy Yan andyshrk@163.com
Reviewed-by: Kever Yang kever.yang@rock-chips.com
Thanks,
- Kever
...

arch/arm/dts/Makefile                      |   1 +
  arch/arm/dts/rk3588s-coolpi-4b-u-boot.dtsi |  30 +
  arch/arm/dts/rk3588s-coolpi-4b.dts         | 813 +++++++++++++++++++++
  board/rockchip/evb_rk3588/MAINTAINERS      |   7 +
  configs/coolpi-4b-rk3588s_defconfig        | 105 +++
  5 files changed, 956 insertions(+)
  create mode 100644 arch/arm/dts/rk3588s-coolpi-4b-u-boot.dtsi
  create mode 100644 arch/arm/dts/rk3588s-coolpi-4b.dts
  create mode 100644 configs/coolpi-4b-rk3588s_defconfig

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index b5c588c3363..a3d0cad3471 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -189,6 +189,7 @@ dtb-$(CONFIG_ROCKCHIP_RK3568) += \
   rk3568-rock-3a.dtb
dtb-$(CONFIG_ROCKCHIP_RK3588) += \

rk3588s-coolpi-4b.dts \
rk3588-edgeble-neu6a-io.dtb \
rk3588-edgeble-neu6b-io.dtb \
rk3588-evb1-v10.dtb \

diff --git a/arch/arm/dts/rk3588s-coolpi-4b-u-boot.dtsi b/arch/arm/dts/rk3588s-coolpi-4b-u-boot.dtsi
new file mode 100644
index 00000000000..6b69ff424fa
--- /dev/null
+++ b/arch/arm/dts/rk3588s-coolpi-4b-u-boot.dtsi
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)



+#include "rk3588s-u-boot.dtsi"



+/ {

chosen {
u-boot,spl-boot-order = "same-as-spl", &sdmmc, &sdhci;


};

+};



+&fspim2_pins {

bootph-all;

+};



+&sfc {

bootph-pre-ram;
u-boot,spl-sfc-no-dma;
pinctrl-names = "default";
pinctrl-0 = <&fspim2_pins>;
status = "okay";

flash@0 {
bootph-pre-ram;


compatible = "jedec,spi-nor";


reg = <0>;


spi-max-frequency = <24000000>;


spi-rx-bus-width = <4>;


spi-tx-bus-width = <1>;


};

+};
diff --git a/arch/arm/dts/rk3588s-coolpi-4b.dts b/arch/arm/dts/rk3588s-coolpi-4b.dts
new file mode 100644
index 00000000000..a15c8e8fa6d
--- /dev/null
+++ b/arch/arm/dts/rk3588s-coolpi-4b.dts
@@ -0,0 +1,813 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*


Copyright (c) 2023 Rockchip Electronics Co., Ltd.







https://cool-pi.com/topic/130/coolpi-4b-product-spec-introduction






*/


+/dts-v1/;



+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+#include "rk3588s.dtsi"



+/ {

model = "RK3588S CoolPi 4 Model B";
compatible = "coolpi,pi-4b", "rockchip,rk3588s";

aliases {
mmc0 = &sdhci;


mmc1 = &sdio;


mmc2 = &sdmmc;


serial2 = &uart2;


};

analog-sound {
compatible = "audio-graph-card";


dais = <&i2s0_8ch_p0>;


label = "rk3588-es8316";


routing = "MIC2", "Mic Jack",


	  "Headphones", "HPOL",


	  "Headphones", "HPOR";


widgets = "Microphone", "Mic Jack",


	  "Headphone", "Headphones";


};

chosen {
stdout-path = "serial2:1500000n8";


};

leds: leds {
compatible = "gpio-leds";


pinctrl-names = "default";


pinctrl-0 = <&gpio_leds>;



led0: led-green {


	color = <LED_COLOR_ID_GREEN>;


	function = LED_FUNCTION_STATUS;


	gpios = <&gpio0 RK_PD0 GPIO_ACTIVE_HIGH>;


	linux,default-trigger = "heartbeat";


};



led1: led-red {


	color = <LED_COLOR_ID_RED>;


	default-state = "off";


	function = LED_FUNCTION_WLAN;


	gpios = <&gpio0 RK_PC4 GPIO_ACTIVE_HIGH>;


	linux,default-trigger = "phy0tx";


};


};

sdio_pwrseq: sdio-pwrseq {
compatible = "mmc-pwrseq-simple";


clocks = <&hym8563>;


clock-names = "ext_clock";


pinctrl-names = "default";


pinctrl-0 = <&wifi_enable_h>;


/*


 * On the module itself this is one of these (depending


 * on the actual card populated):


 * - SDIO_RESET_L_WL_REG_ON


 * - PDN (power down when low)


 */


post-power-on-delay-ms = <200>;


reset-gpios = <&gpio0 RK_PC7 GPIO_ACTIVE_LOW>;


};

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_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>;


};

avdd0v85_pcie20: avdd0v85-pcie20-regulator {
compatible = "regulator-fixed";


regulator-name = "avdd0v85_pcie20";


regulator-boot-on;


regulator-always-on;


regulator-min-microvolt = <850000>;


regulator-max-microvolt = <850000>;


vin-supply = <&vdd_0v85_s0>;


};

avdd1v8_pcie20: avdd1v8-pcie20-regulator {
compatible = "regulator-fixed";


regulator-name = "avdd1v8_pcie20";


regulator-boot-on;


regulator-always-on;


regulator-min-microvolt = <1800000>;


regulator-max-microvolt = <1800000>;


vin-supply = <&avcc_1v8_s0>;


};

vcc3v3_mipi: vcc3v3-mipi-regulator {
compatible = "regulator-fixed";


enable-active-high;


gpio = <&gpio3 RK_PC2 GPIO_ACTIVE_HIGH>;


regulator-name = "vcc3v3_mipi";


regulator-boot-on;


regulator-always-on;


vin-supply = <&vcc_3v3_s3>;


};

vcc5v0_host: vcc5v0-host-regulator {
compatible = "regulator-fixed";


enable-active-high;


gpio = <&gpio3 RK_PC0 GPIO_ACTIVE_HIGH>;


pinctrl-names = "default";


pinctrl-0 = <&vcc5v0_host_en>;


regulator-name = "vcc5v0_host";


regulator-boot-on;


regulator-always-on;


regulator-min-microvolt = <5000000>;


regulator-max-microvolt = <5000000>;


vin-supply = <&vcc5v0_sys>;


};

vcc5v0_otg: vcc5v0-otg-regulator {
compatible = "regulator-fixed";


enable-active-high;


gpio = <&gpio3 RK_PC1 GPIO_ACTIVE_HIGH>;


pinctrl-names = "default";


pinctrl-0 = <&vcc5v0_u3host_en>;


regulator-name = "vcc5v0_otg";


regulator-boot-on;


regulator-always-on;


regulator-min-microvolt = <5000000>;


regulator-max-microvolt = <5000000>;


vin-supply = <&vcc5v0_sys>;


};

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_l0 {

cpu-supply = <&vdd_cpu_lit_s0>;

+};



+&cpu_b0 {

cpu-supply = <&vdd_cpu_big0_s0>;

+};



+&cpu_b2 {

cpu-supply = <&vdd_cpu_big1_s0>;

+};



+&i2c0 {

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";

vdd_npu_s0: regulator@42 {
compatible = "rockchip,rk8602";


reg = <0x42>;


fcs,suspend-voltage-selector = <1>;


regulator-name = "vdd_npu_s0";


regulator-always-on;


regulator-boot-on;


regulator-min-microvolt = <550000>;


regulator-max-microvolt = <950000>;


regulator-ramp-delay = <2300>;


vin-supply = <&vcc5v0_sys>;



regulator-state-mem {


	regulator-off-in-suspend;


};


};

+};



+&i2c6 {

pinctrl-0 = <&i2c6m3_xfer>;
status = "okay";

hym8563: rtc@51 {
compatible = "haoyu,hym8563";


reg = <0x51>;


interrupt-parent = <&gpio0>;


interrupts = <RK_PB0 IRQ_TYPE_LEVEL_LOW>;


#clock-cells = <0>;


clock-output-names = "hym8563";


pinctrl-names = "default";


pinctrl-0 = <&hym8563_int>;


};

+};



+&i2c7 {

pinctrl-0 = <&i2c7m0_xfer>;
status = "okay";

es8316: audio-codec@11 {
compatible = "everest,es8316";


reg = <0x11>;


assigned-clocks = <&cru I2S0_8CH_MCLKOUT>;


assigned-clock-rates = <12288000>;


clocks = <&cru I2S0_8CH_MCLKOUT>;


clock-names = "mclk";


#sound-dai-cells = <0>;



port {


	es8316_p0_0: endpoint {


		remote-endpoint = <&i2s0_8ch_p0_0>;


	};


};


};

+};



+&i2s0_8ch {

pinctrl-0 = <&i2s0_lrck
     &i2s0_mclk


     &i2s0_sclk


     &i2s0_sdi0


     &i2s0_sdo0>;


status = "okay";

i2s0_8ch_p0: port {
i2s0_8ch_p0_0: endpoint {


	dai-format = "i2s";


	mclk-fs = <256>;


	remote-endpoint = <&es8316_p0_0>;


};


};

+};



+&pcie2x1l2 {

pinctrl-names = "default";
pinctrl-0 = <&rtl8111_isolate>;
reset-gpios = <&gpio3 RK_PD1 GPIO_ACTIVE_HIGH>;
status = "okay";

+};



+&pinctrl {

hym8563 {
hym8563_int: hym8563-int {


	rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_up>;


};


};

led {
gpio_leds: gpio-leds {


	rockchip,pins = <0 RK_PC4 RK_FUNC_GPIO &pcfg_pull_down>,


			<0 RK_PD0 RK_FUNC_GPIO &pcfg_pull_down>;


};


};

rtl8111 {
rtl8111_isolate: rtl8111-isolate {


	rockchip,pins = <1 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>;


};


};

sdio-pwrseq {
wifi_enable_h: wifi-enable-h {


	rockchip,pins = <0 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>;


};


};

usb {
vcc5v0_host_en: vcc5v0-host-en {


	rockchip,pins = <3 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>,


			<4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_up>;


};



vcc5v0_u3host_en: vcc5v0-u3host-en {


	rockchip,pins = <3 RK_PC1 RK_FUNC_GPIO &pcfg_pull_none>;


};


};

wireless-bluetooth {
bt_reset_gpio: bt-reset-pin {


	rockchip,pins = <0 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;


};



bt_wake_gpio: bt-wake-pin {


	rockchip,pins = <0 RK_PC6 RK_FUNC_GPIO &pcfg_pull_none>;


};



bt_wake_host_irq: bt-wake-host-irq {


	rockchip,pins = <0 RK_PC5 RK_FUNC_GPIO &pcfg_pull_down>;


};


};

wireless-wlan {
wifi_host_wake_irq: wifi-host-wake-irq {


	rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_down>;


};



wifi_poweren_pin: wifi-poweren-pin {


	rockchip,pins = <1 RK_PD3 RK_FUNC_GPIO &pcfg_pull_up>;


};


};

+};



+&pwm2 {

pinctrl-0 = <&pwm2m1_pins>;
status = "okay";

+};



+&pwm13 {

pinctrl-names = "active";
pinctrl-0 = <&pwm13m2_pins>;
status = "okay";

+};



+&saradc {

vref-supply = <&vcc_1v8_s0>;
status = "okay";

+};



+&sdhci {

bus-width = <8>;
max-frequency = <200000000>;
mmc-hs400-1_8v;
mmc-hs400-enhanced-strobe;
no-sdio;
no-sd;
non-removable;
status = "okay";

+};



+&sdio {

bus-width = <4>;
cap-sd-highspeed;
cap-sdio-irq;
disable-wp;
keep-power-in-suspend;
max-frequency = <150000000>;
mmc-pwrseq = <&sdio_pwrseq>;
no-sd;
no-mmc;
non-removable;
pinctrl-names = "default";
pinctrl-0 = <&sdiom1_pins>,<&wifi_poweren_pin>;
status = "okay";

+};



+&sdmmc {

bus-width = <4>;
cap-mmc-highspeed;
cap-sd-highspeed;
disable-wp;
max-frequency = <150000000>;
no-sdio;
no-mmc;
sd-uhs-sdr104;
vmmc-supply = <&vcc_3v3_s3>;
vqmmc-supply = <&vccio_sd_s0>;
status = "okay";

+};



+&spi2 {

assigned-clocks = <&cru CLK_SPI2>;
assigned-clock-rates = <200000000>;
num-cs = <1>;
pinctrl-names = "default";
pinctrl-0 = <&spi2m2_cs0 &spi2m2_pins>;
status = "okay";

pmic@0 {
compatible = "rockchip,rk806";


reg = <0x0>;


interrupt-parent = <&gpio0>;


interrupts = <7 IRQ_TYPE_LEVEL_LOW>;


gpio-controller;


#gpio-cells = <2>;


pinctrl-names = "default";


pinctrl-0 = <&pmic_pins>, <&rk806_dvs1_null>,


	    <&rk806_dvs2_null>, <&rk806_dvs3_null>;


spi-max-frequency = <1000000>;


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>;



rk806_dvs1_null: dvs1-null-pins {


	pins = "gpio_pwrctrl2";


	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-name = "vdd_gpu_s0";


		regulator-boot-on;


		regulator-min-microvolt = <550000>;


		regulator-max-microvolt = <950000>;


		regulator-ramp-delay = <12500>;


		regulator-enable-ramp-delay = <400>;



		regulator-state-mem {


			regulator-off-in-suspend;


		};


	};



	vdd_cpu_lit_s0: vdd_cpu_lit_mem_s0: dcdc-reg2 {


		regulator-name = "vdd_cpu_lit_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <550000>;


		regulator-max-microvolt = <950000>;


		regulator-ramp-delay = <12500>;



		regulator-state-mem {


			regulator-off-in-suspend;


		};


	};



	vdd_log_s0: dcdc-reg3 {


		regulator-name = "vdd_log_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <675000>;


		regulator-max-microvolt = <750000>;


		regulator-ramp-delay = <12500>;



		regulator-state-mem {


			regulator-off-in-suspend;


			regulator-suspend-microvolt = <750000>;


		};


	};



	vdd_vdenc_s0: vdd_vdenc_mem_s0: dcdc-reg4 {


		regulator-name = "vdd_vdenc_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <550000>;


		regulator-max-microvolt = <950000>;


		regulator-ramp-delay = <12500>;



		regulator-state-mem {


			regulator-off-in-suspend;


		};


	};



	vdd_ddr_s0: dcdc-reg5 {


		regulator-name = "vdd_ddr_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <675000>;


		regulator-max-microvolt = <900000>;


		regulator-ramp-delay = <12500>;



		regulator-state-mem {


			regulator-off-in-suspend;


			regulator-suspend-microvolt = <850000>;


		};


	};



	vdd2_ddr_s3: dcdc-reg6 {


		regulator-name = "vdd2_ddr_s3";


		regulator-always-on;


		regulator-boot-on;



		regulator-state-mem {


			regulator-on-in-suspend;


		};


	};



	vcc_2v0_pldo_s3: dcdc-reg7 {


		regulator-name = "vdd_2v0_pldo_s3";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <2000000>;


		regulator-max-microvolt = <2000000>;


		regulator-ramp-delay = <12500>;



		regulator-state-mem {


			regulator-on-in-suspend;


			regulator-suspend-microvolt = <2000000>;


		};


	};



	vcc_3v3_s3: dcdc-reg8 {


		regulator-name = "vcc_3v3_s3";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <3300000>;


		regulator-max-microvolt = <3300000>;



		regulator-state-mem {


			regulator-on-in-suspend;


			regulator-suspend-microvolt = <3300000>;


		};


	};



	vddq_ddr_s0: dcdc-reg9 {


		regulator-name = "vddq_ddr_s0";


		regulator-always-on;


		regulator-boot-on;



		regulator-state-mem {


			regulator-off-in-suspend;


		};


	};



	vcc_1v8_s3: dcdc-reg10 {


		regulator-name = "vcc_1v8_s3";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <1800000>;


		regulator-max-microvolt = <1800000>;



		regulator-state-mem {


			regulator-on-in-suspend;


			regulator-suspend-microvolt = <1800000>;


		};


	};



	avcc_1v8_s0: pldo-reg1 {


		regulator-name = "avcc_1v8_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <1800000>;


		regulator-max-microvolt = <1800000>;



		regulator-state-mem {


			regulator-off-in-suspend;


		};


	};



	vcc_1v8_s0: pldo-reg2 {


		regulator-name = "vcc_1v8_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <1800000>;


		regulator-max-microvolt = <1800000>;



		regulator-state-mem {


			regulator-off-in-suspend;


			regulator-suspend-microvolt = <1800000>;


		};


	};



	avdd_1v2_s0: pldo-reg3 {


		regulator-name = "avdd_1v2_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <1200000>;


		regulator-max-microvolt = <1200000>;



		regulator-state-mem {


			regulator-off-in-suspend;


		};


	};



	vcc_3v3_s0: pldo-reg4 {


		regulator-name = "vcc_3v3_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <3300000>;


		regulator-max-microvolt = <3300000>;


		regulator-ramp-delay = <12500>;



		regulator-state-mem {


			regulator-off-in-suspend;


		};


	};



	vccio_sd_s0: pldo-reg5 {


		regulator-name = "vccio_sd_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <1800000>;


		regulator-max-microvolt = <3300000>;


		regulator-ramp-delay = <12500>;



		regulator-state-mem {


			regulator-off-in-suspend;


		};


	};



	pldo6_s3: pldo-reg6 {


		regulator-name = "pldo6_s3";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <1800000>;


		regulator-max-microvolt = <1800000>;



		regulator-state-mem {


			regulator-on-in-suspend;


			regulator-suspend-microvolt = <1800000>;


		};


	};



	vdd_0v75_s3: nldo-reg1 {


		regulator-name = "vdd_0v75_s3";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <750000>;


		regulator-max-microvolt = <750000>;



		regulator-state-mem {


			regulator-on-in-suspend;


			regulator-suspend-microvolt = <750000>;


		};


	};



	vdd_ddr_pll_s0: nldo-reg2 {


		regulator-name = "vdd_ddr_pll_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <850000>;


		regulator-max-microvolt = <850000>;



		regulator-state-mem {


			regulator-off-in-suspend;


			regulator-suspend-microvolt = <850000>;


		};


	};



	avdd_0v75_s0: nldo-reg3 {


		regulator-name = "avdd_0v75_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <750000>;


		regulator-max-microvolt = <750000>;



		regulator-state-mem {


			regulator-off-in-suspend;


		};


	};



	vdd_0v85_s0: nldo-reg4 {


		regulator-name = "vdd_0v85_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <850000>;


		regulator-max-microvolt = <850000>;



		regulator-state-mem {


			regulator-off-in-suspend;


		};


	};



	vdd_0v75_s0: nldo-reg5 {


		regulator-name = "vdd_0v75_s0";


		regulator-always-on;


		regulator-boot-on;


		regulator-min-microvolt = <750000>;


		regulator-max-microvolt = <750000>;



		regulator-state-mem {


			regulator-off-in-suspend;


		};


	};


};


};

+};



+&tsadc {

status = "okay";

+};



+&u2phy2 {

status = "okay";

+};



+&u2phy3 {

status = "okay";

+};



+&u2phy2_host {

phy-supply = <&vcc5v0_host>;
status = "okay";

+};



+&u2phy3_host {

status = "okay";

+};



+&uart2 {

pinctrl-0 = <&uart2m0_xfer>;
status = "okay";

+};



+/* bt */
+&uart9 {

status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&uart9m2_xfer &uart9m2_ctsn>;

+};



+&usb_host0_ehci {

status = "okay";

+};



+&usb_host0_ohci {

status = "okay";

+};



+&usb_host1_ehci {

status = "okay";

+};



+&usb_host1_ohci {

status = "okay";

+};
diff --git a/board/rockchip/evb_rk3588/MAINTAINERS b/board/rockchip/evb_rk3588/MAINTAINERS
index 2bd44bc5872..1604229759d 100644
--- a/board/rockchip/evb_rk3588/MAINTAINERS
+++ b/board/rockchip/evb_rk3588/MAINTAINERS
@@ -1,3 +1,10 @@
+COOLPI-4B-RK3588S
+M:	Andy Yan andyshrk@163.com
+S:	Maintained
+F:	configs/coolpi-4b-rk3588s_defconfig
+F:	arch/arm/dts/rk3588s-coolpi-4b.dts
+F:	arch/arm/dts/rk3588s-coolpi-u-boot.dtsi

EVB-RK3588
M:	Kever Yang kever.yang@rock-chips.com
S:	Maintained

diff --git a/configs/coolpi-4b-rk3588s_defconfig b/configs/coolpi-4b-rk3588s_defconfig
new file mode 100644
index 00000000000..3e3e5abc860
--- /dev/null
+++ b/configs/coolpi-4b-rk3588s_defconfig
@@ -0,0 +1,105 @@
+CONFIG_ARM=y
+CONFIG_SKIP_LOWLEVEL_INIT=y
+CONFIG_COUNTER_FREQUENCY=24000000
+CONFIG_ARCH_ROCKCHIP=y
+CONFIG_TEXT_BASE=0x00a00000
+CONFIG_SPL_LIBCOMMON_SUPPORT=y
+CONFIG_SPL_LIBGENERIC_SUPPORT=y
+CONFIG_NR_DRAM_BANKS=2
+CONFIG_HAS_CUSTOM_SYS_INIT_SP_ADDR=y
+CONFIG_CUSTOM_SYS_INIT_SP_ADDR=0xc00000
+CONFIG_SF_DEFAULT_SPEED=24000000
+CONFIG_SF_DEFAULT_MODE=0x2000
+CONFIG_DEFAULT_DEVICE_TREE="rk3588s-coolpi-4b"
+CONFIG_ROCKCHIP_RK3588=y
+CONFIG_SPL_ROCKCHIP_COMMON_BOARD=y
+CONFIG_ROCKCHIP_SPI_IMAGE=y
+CONFIG_SPL_SERIAL=y
+CONFIG_SPL_STACK_R_ADDR=0x600000
+CONFIG_TARGET_EVB_RK3588=y
+CONFIG_SPL_STACK=0x400000
+CONFIG_DEBUG_UART_BASE=0xFEB50000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_SPL_SPI_FLASH_SUPPORT=y
+CONFIG_SPL_SPI=y
+CONFIG_SYS_LOAD_ADDR=0xc00800
+CONFIG_PCI=y
+CONFIG_DEBUG_UART=y
+CONFIG_AHCI=y
+CONFIG_FIT=y
+CONFIG_FIT_VERBOSE=y
+CONFIG_SPL_FIT_SIGNATURE=y
+CONFIG_SPL_LOAD_FIT=y
+CONFIG_LEGACY_IMAGE_FORMAT=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3588s-coolpi-4b.dtb"
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_DISPLAY_BOARDINFO_LATE=y
+CONFIG_SPL_MAX_SIZE=0x40000
+CONFIG_SPL_PAD_TO=0x7f8000
+CONFIG_SPL_HAS_BSS_LINKER_SECTION=y
+CONFIG_SPL_BSS_START_ADDR=0x4000000
+CONFIG_SPL_BSS_MAX_SIZE=0x4000
+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
+# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
+CONFIG_SPL_STACK_R=y
+CONFIG_SPL_SPI_LOAD=y
+CONFIG_SYS_SPI_U_BOOT_OFFS=0x60000
+CONFIG_SPL_ATF=y
+CONFIG_CMD_GPIO=y
+CONFIG_CMD_GPT=y
+CONFIG_CMD_I2C=y
+CONFIG_CMD_MMC=y
+CONFIG_CMD_PCI=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_REGULATOR=y
+# CONFIG_SPL_DOS_PARTITION is not set
+CONFIG_SPL_OF_CONTROL=y
+CONFIG_OF_LIVE=y
+CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
+CONFIG_SPL_DM_SEQ_ALIAS=y
+CONFIG_SPL_REGMAP=y
+CONFIG_SPL_SYSCON=y
+CONFIG_AHCI_PCI=y
+CONFIG_DWC_AHCI=y
+CONFIG_SPL_CLK=y
+CONFIG_ROCKCHIP_GPIO=y
+CONFIG_SYS_I2C_ROCKCHIP=y
+CONFIG_MISC=y
+CONFIG_SUPPORT_EMMC_RPMB=y
+CONFIG_MMC_DW=y
+CONFIG_MMC_DW_ROCKCHIP=y
+CONFIG_MMC_SDHCI=y
+CONFIG_MMC_SDHCI_SDMA=y
+CONFIG_MMC_SDHCI_ROCKCHIP=y
+CONFIG_SF_DEFAULT_BUS=5
+CONFIG_SPI_FLASH_SFDP_SUPPORT=y
+CONFIG_SPI_FLASH_XMC=y
+CONFIG_SPI_FLASH_XTX=y
+CONFIG_PHY_MOTORCOMM=y
+CONFIG_DWC_ETH_QOS=y
+CONFIG_DWC_ETH_QOS_ROCKCHIP=y
+CONFIG_NVME_PCI=y
+CONFIG_PCIE_DW_ROCKCHIP=y
+CONFIG_PHY_ROCKCHIP_INNO_USB2=y
+CONFIG_PHY_ROCKCHIP_NANENG_COMBOPHY=y
+CONFIG_PHY_ROCKCHIP_USBDP=y
+CONFIG_SPL_PINCTRL=y
+CONFIG_PWM_ROCKCHIP=y
+CONFIG_SPL_RAM=y
+CONFIG_SCSI=y
+CONFIG_BAUDRATE=1500000
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_SYS_NS16550_MEM32=y
+CONFIG_ROCKCHIP_SFC=y
+CONFIG_SYSRESET=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_GENERIC=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_DWC3_GENERIC=y
+CONFIG_ERRNO_STR=y

    