[PATCH V2] board: rockchip: add Powkiddy X55
Kever Yang
kever.yang at rock-chips.com
Thu Jan 18 07:37:04 CET 2024
Hi Chris,
On 2023/12/15 02:24, Chris Morgan wrote:
> From: Chris Morgan <macromorgan at hotmail.com>
>
> The Powkiddy X55 is a Rockchip RK3566 based handheld gaming device.
> UART, ADC, eMMC, and SDMMC are tested to work in U-Boot and this
> successfully boots mainline Linux.
Pls add info about where is the main dts from.
>
> Changes since V1:
This info should not be part of the commit message.
> - Built on top of this patch series [1] which makes the ADC detect
> function more generic and also moves the board_rng_seed to a more
> generic location.
> - Updated U-Boot specific devicetree to drop redundant values and
> add nodes required for ADC detection in SPL.
> - Updated defconfig to add additional options for SPL ADC detection
> logic as well as drop some drivers that are not needed. Note that
> CONFIG_DM_PMIC_FAN53555 is used by the tcs,tcs4525 regulator on
> i2c0 at 0x1c. Additionally the code fails to compile without
> selecting CONFIG_SPL_ROCKCHIP_BACK_TO_BROM.
>
> [1] https://lore.kernel.org/u-boot/20231211232125.171438-1-macroalpha82@gmail.com/
>
> Signed-off-by: Chris Morgan <macromorgan at hotmail.com>
> ---
> arch/arm/dts/Makefile | 1 +
> arch/arm/dts/rk3566-powkiddy-x55-u-boot.dtsi | 67 ++
> arch/arm/dts/rk3566-powkiddy-x55.dts | 926 +++++++++++++++++++
> arch/arm/mach-rockchip/rk3568/Kconfig | 6 +
> board/powkiddy/x55/Kconfig | 15 +
> board/powkiddy/x55/MAINTAINERS | 9 +
> board/powkiddy/x55/Makefile | 6 +
> board/powkiddy/x55/x55.c | 42 +
> configs/powkiddy-x55-rk3566_defconfig | 92 ++
> doc/board/index.rst | 1 +
> doc/board/powkiddy/index.rst | 9 +
> doc/board/powkiddy/x55.rst | 25 +
> doc/board/rockchip/rockchip.rst | 1 +
> include/configs/powkiddy-x55-rk3566.h | 14 +
> 14 files changed, 1214 insertions(+)
> create mode 100644 arch/arm/dts/rk3566-powkiddy-x55-u-boot.dtsi
> create mode 100644 arch/arm/dts/rk3566-powkiddy-x55.dts
> create mode 100644 board/powkiddy/x55/Kconfig
> create mode 100644 board/powkiddy/x55/MAINTAINERS
> create mode 100644 board/powkiddy/x55/Makefile
> create mode 100644 board/powkiddy/x55/x55.c
> create mode 100644 configs/powkiddy-x55-rk3566_defconfig
> create mode 100644 doc/board/powkiddy/index.rst
> create mode 100644 doc/board/powkiddy/x55.rst
> create mode 100644 include/configs/powkiddy-x55-rk3566.h
>
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index 5fc888680b..6e5cb7c3e9 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -172,6 +172,7 @@ dtb-$(CONFIG_ROCKCHIP_RK3399) += \
>
> dtb-$(CONFIG_ROCKCHIP_RK3568) += \
> rk3566-anbernic-rgxx3.dtb \
> + rk3566-powkiddy-x55.dtb \
> rk3566-quartz64-a.dtb \
> rk3566-quartz64-b.dtb \
> rk3566-radxa-cm3-io.dtb \
> diff --git a/arch/arm/dts/rk3566-powkiddy-x55-u-boot.dtsi b/arch/arm/dts/rk3566-powkiddy-x55-u-boot.dtsi
> new file mode 100644
> index 0000000000..1a3089b598
> --- /dev/null
> +++ b/arch/arm/dts/rk3566-powkiddy-x55-u-boot.dtsi
> @@ -0,0 +1,67 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +
> +#include "rk356x-u-boot.dtsi"
> +
> +/ {
> + chosen {
> + stdout-path = &uart2;
> + };
> +
> + rng: rng at fe388000 {
> + compatible = "rockchip,cryptov2-rng";
> + reg = <0x0 0xfe388000 0x0 0x2000>;
> + status = "okay";
> + };
> +};
> +
> +&cru {
> + assigned-clocks =
> + <&pmucru CLK_RTC_32K>, <&pmucru PLL_PPLL>,
> + <&pmucru PCLK_PMU>, <&cru PLL_CPLL>,
> + <&cru PLL_GPLL>, <&cru PLL_VPLL>,
> + <&cru ACLK_BUS>, <&cru PCLK_BUS>,
> + <&cru ACLK_TOP_HIGH>, <&cru ACLK_TOP_LOW>,
> + <&cru HCLK_TOP>, <&cru PCLK_TOP>,
> + <&cru ACLK_PERIMID>, <&cru HCLK_PERIMID>,
> + <&cru CPLL_500M>, <&cru CPLL_333M>,
> + <&cru CPLL_250M>, <&cru CPLL_125M>,
> + <&cru CPLL_100M>, <&cru CPLL_62P5M>,
> + <&cru CPLL_50M>, <&cru CPLL_25M>;
> + assigned-clock-rates =
> + <32768>, <200000000>,
> + <100000000>, <1000000000>,
> + <1200000000>, <126400000>,
> + <150000000>, <100000000>,
> + <500000000>, <400000000>,
> + <150000000>, <100000000>,
> + <300000000>, <150000000>,
> + <500000000>, <333333333>,
> + <250000000>, <125000000>,
> + <100000000>, <62500000>,
> + <50000000>, <25000000>;
Why change the clock in U-Boot?
usually this dts also used by kernel, and only little change for U-Boot
features;
Thanks,
- Kever
> + assigned-clock-parents =
> + <&pmucru CLK_RTC32K_FRAC>;
> +};
> +
> +&pmucru {
> + assigned-clocks = <&pmucru SCLK_32K_IOE>;
> + assigned-clock-parents = <&pmucru CLK_RTC_32K>;
> +};
> +
> +/* Move the saradc to a fixed regulator so that it works in SPL. */
> +&saradc {
> + bootph-all;
> + vref-supply = <&vcc_sys>;
> + status = "okay";
> +};
> +
> +&uart2 {
> + clock-frequency = <24000000>;
> + bootph-all;
> + status = "okay";
> +};
> +
> +&vcc_sys {
> + bootph-all;
> + status = "okay";
> +};
> diff --git a/arch/arm/dts/rk3566-powkiddy-x55.dts b/arch/arm/dts/rk3566-powkiddy-x55.dts
> new file mode 100644
> index 0000000000..4786b19fd0
> --- /dev/null
> +++ b/arch/arm/dts/rk3566-powkiddy-x55.dts
> @@ -0,0 +1,926 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
> +#include <dt-bindings/leds/common.h>
> +#include <dt-bindings/pinctrl/rockchip.h>
> +#include <dt-bindings/soc/rockchip,vop2.h>
> +#include "rk3566.dtsi"
> +
> +/ {
> + model = "Powkiddy x55";
> + compatible = "powkiddy,x55", "rockchip,rk3566";
> +
> + aliases {
> + mmc0 = &sdhci;
> + mmc1 = &sdmmc0;
> + mmc2 = &sdmmc2;
> + mmc3 = &sdmmc1;
> + };
> +
> + chosen: chosen {
> + stdout-path = "serial2:1500000n8";
> + };
> +
> + adc_joystick: adc-joystick {
> + compatible = "adc-joystick";
> + io-channels = <&saradc 0>, <&saradc 1>,
> + <&saradc 2>, <&saradc 3>;
> + poll-interval = <60>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + axis at 0 {
> + reg = <0>;
> + abs-flat = <30>;
> + abs-fuzz = <20>;
> + abs-range = <15 1023>;
> + linux,code = <ABS_X>;
> + };
> +
> + axis at 1 {
> + reg = <1>;
> + abs-flat = <30>;
> + abs-fuzz = <20>;
> + abs-range = <1023 15>;
> + linux,code = <ABS_Y>;
> + };
> +
> + axis at 2 {
> + reg = <2>;
> + abs-flat = <30>;
> + abs-fuzz = <20>;
> + abs-range = <15 1023>;
> + linux,code = <ABS_RX>;
> + };
> +
> + axis at 3 {
> + reg = <3>;
> + abs-flat = <30>;
> + abs-fuzz = <20>;
> + abs-range = <1023 15>;
> + linux,code = <ABS_RY>;
> + };
> + };
> +
> + backlight: backlight {
> + compatible = "pwm-backlight";
> + power-supply = <&vcc_sys>;
> + pwms = <&pwm4 0 25000 0>;
> + };
> +
> + battery: battery {
> + compatible = "simple-battery";
> + charge-full-design-microamp-hours = <4000000>;
> + charge-term-current-microamp = <300000>;
> + constant-charge-current-max-microamp = <2000000>;
> + constant-charge-voltage-max-microvolt = <4300000>;
> + factory-internal-resistance-micro-ohms = <91000>;
> + voltage-max-design-microvolt = <4138000>;
> + voltage-min-design-microvolt = <3400000>;
> +
> + ocv-capacity-celsius = <20>;
> + ocv-capacity-table-0 = <4138000 100>, <4083000 95>, <4059000 90>, <4044000 85>,
> + <4030000 80>, <4020000 75>, <4006000 70>, <3972000 65>,
> + <3934000 60>, <3904000 55>, <3878000 50>, <3857000 45>,
> + <3843000 40>, <3826000 35>, <3801000 30>, <3768000 25>,
> + <3735000 20>, <3688000 15>, <3621000 10>, <3553000 5>,
> + <3400000 0>;
> + };
> +
> + gpio_keys_control: gpio-keys-control {
> + compatible = "gpio-keys";
> + pinctrl-0 = <&btn_pins_ctrl>;
> + pinctrl-names = "default";
> +
> + button-a {
> + gpios = <&gpio3 RK_PD3 GPIO_ACTIVE_LOW>;
> + label = "EAST";
> + linux,code = <BTN_EAST>;
> + };
> +
> + button-b {
> + gpios = <&gpio3 RK_PD2 GPIO_ACTIVE_LOW>;
> + label = "SOUTH";
> + linux,code = <BTN_SOUTH>;
> + };
> +
> + button-down {
> + gpios = <&gpio4 RK_PA1 GPIO_ACTIVE_LOW>;
> + label = "DPAD-DOWN";
> + linux,code = <BTN_DPAD_DOWN>;
> + };
> +
> + button-l1 {
> + gpios = <&gpio3 RK_PD0 GPIO_ACTIVE_LOW>;
> + label = "TL";
> + linux,code = <BTN_TL>;
> + };
> +
> + button-l2 {
> + gpios = <&gpio3 RK_PD1 GPIO_ACTIVE_LOW>;
> + label = "TL2";
> + linux,code = <BTN_TL2>;
> + };
> +
> + button-left {
> + gpios = <&gpio3 RK_PD6 GPIO_ACTIVE_LOW>;
> + label = "DPAD-LEFT";
> + linux,code = <BTN_DPAD_LEFT>;
> + };
> +
> + button-right {
> + gpios = <&gpio3 RK_PD7 GPIO_ACTIVE_LOW>;
> + label = "DPAD-RIGHT";
> + linux,code = <BTN_DPAD_RIGHT>;
> + };
> +
> + button-select {
> + gpios = <&gpio4 RK_PA4 GPIO_ACTIVE_LOW>;
> + label = "SELECT";
> + linux,code = <BTN_SELECT>;
> + };
> +
> + button-start {
> + gpios = <&gpio4 RK_PA2 GPIO_ACTIVE_LOW>;
> + label = "START";
> + linux,code = <BTN_START>;
> + };
> +
> + button-thumbl {
> + gpios = <&gpio4 RK_PA7 GPIO_ACTIVE_LOW>;
> + label = "THUMBL";
> + linux,code = <BTN_THUMBL>;
> + };
> +
> + button-thumbr {
> + gpios = <&gpio4 RK_PB0 GPIO_ACTIVE_LOW>;
> + label = "THUMBR";
> + linux,code = <BTN_THUMBR>;
> + };
> +
> + button-r1 {
> + gpios = <&gpio3 RK_PC6 GPIO_ACTIVE_LOW>;
> + label = "TR";
> + linux,code = <BTN_TR>;
> + };
> +
> + button-r2 {
> + gpios = <&gpio3 RK_PC7 GPIO_ACTIVE_LOW>;
> + label = "TR2";
> + linux,code = <BTN_TR2>;
> + };
> +
> + button-up {
> + gpios = <&gpio4 RK_PA0 GPIO_ACTIVE_LOW>;
> + label = "DPAD-UP";
> + linux,code = <BTN_DPAD_UP>;
> + };
> +
> + button-x {
> + gpios = <&gpio3 RK_PD5 GPIO_ACTIVE_LOW>;
> + label = "NORTH";
> + linux,code = <BTN_NORTH>;
> + };
> +
> + button-y {
> + gpios = <&gpio3 RK_PD4 GPIO_ACTIVE_LOW>;
> + label = "WEST";
> + linux,code = <BTN_WEST>;
> + };
> + };
> +
> + gpio_keys_vol: gpio-keys-vol {
> + compatible = "gpio-keys";
> + autorepeat;
> + pinctrl-0 = <&btn_pins_vol>;
> + pinctrl-names = "default";
> +
> + button-voldown {
> + gpios = <&gpio4 RK_PA3 GPIO_ACTIVE_LOW>;
> + label = "VOLUMEDOWN";
> + linux,code = <KEY_VOLUMEDOWN>;
> + };
> +
> + button-volup {
> + gpios = <&gpio4 RK_PA5 GPIO_ACTIVE_LOW>;
> + label = "VOLUMEUP";
> + linux,code = <KEY_VOLUMEUP>;
> + };
> + };
> +
> + gpio_leds: gpio-leds {
> + compatible = "gpio-leds";
> + pinctrl-names = "default";
> + pinctrl-0 = <&led_pins>;
> +
> + red_led: led-0 {
> + color = <LED_COLOR_ID_RED>;
> + default-state = "off";
> + gpios = <&gpio4 RK_PB4 GPIO_ACTIVE_HIGH>;
> + function = LED_FUNCTION_STATUS;
> + };
> +
> + green_led: led-1 {
> + color = <LED_COLOR_ID_GREEN>;
> + default-state = "on";
> + gpios = <&gpio4 RK_PB5 GPIO_ACTIVE_HIGH>;
> + function = LED_FUNCTION_POWER;
> + };
> +
> + amber_led: led-2 {
> + color = <LED_COLOR_ID_AMBER>;
> + gpios = <&gpio4 RK_PB6 GPIO_ACTIVE_HIGH>;
> + function = LED_FUNCTION_CHARGING;
> + };
> +
> + };
> +
> + hdmi-con {
> + compatible = "hdmi-connector";
> + ddc-i2c-bus = <&i2c5>;
> + type = "c";
> +
> + port {
> + hdmi_con_in: endpoint {
> + remote-endpoint = <&hdmi_out_con>;
> + };
> + };
> + };
> +
> + sdio_pwrseq: sdio-pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + clocks = <&rk817 1>;
> + clock-names = "ext_clock";
> + pinctrl-0 = <&wifi_enable_h>;
> + pinctrl-names = "default";
> + post-power-on-delay-ms = <200>;
> + reset-gpios = <&gpio0 RK_PC0 GPIO_ACTIVE_LOW>;
> + };
> +
> + /* Channels reversed for both headphones and speakers. */
> + sound {
> + compatible = "simple-audio-card";
> + pinctrl-0 = <&hp_det>;
> + pinctrl-names = "default";
> + simple-audio-card,name = "rk817_ext";
> + simple-audio-card,aux-devs = <&spk_amp>;
> + simple-audio-card,format = "i2s";
> + simple-audio-card,hp-det-gpio = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>;
> + simple-audio-card,mclk-fs = <256>;
> + simple-audio-card,widgets =
> + "Microphone", "Mic Jack",
> + "Headphone", "Headphones",
> + "Speaker", "Internal Speakers";
> + simple-audio-card,routing =
> + "MICL", "Mic Jack",
> + "Headphones", "HPOL",
> + "Headphones", "HPOR",
> + "Internal Speakers", "Speaker Amp OUTL",
> + "Internal Speakers", "Speaker Amp OUTR",
> + "Speaker Amp INL", "HPOL",
> + "Speaker Amp INR", "HPOR";
> + simple-audio-card,pin-switches = "Internal Speakers";
> +
> + simple-audio-card,codec {
> + sound-dai = <&rk817>;
> + };
> +
> + simple-audio-card,cpu {
> + sound-dai = <&i2s1_8ch>;
> + };
> + };
> +
> + spk_amp: audio-amplifier {
> + compatible = "simple-audio-amplifier";
> + enable-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_HIGH>;
> + pinctrl-0 = <&spk_amp_enable_h>;
> + pinctrl-names = "default";
> + sound-name-prefix = "Speaker Amp";
> + };
> +
> + vcc5v0_host: regulator-vcc5v0-host {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpio = <&gpio4 RK_PC4 GPIO_ACTIVE_HIGH>;
> + pinctrl-0 = <&vcc5v0_host_en>;
> + pinctrl-names = "default";
> + regulator-name = "vcc5v0_host";
> + vin-supply = <&dcdc_boost>;
> + };
> +
> + vcc_lcd: regulator-vcc-lcd {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpio = <&gpio0 RK_PC7 GPIO_ACTIVE_HIGH>;
> + pinctrl-0 = <&vcc_lcd_en>;
> + pinctrl-names = "default";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcc_lcd";
> + };
> +
> + vcc_sys: regulator-vcc-sys {
> + compatible = "regulator-fixed";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3800000>;
> + regulator-max-microvolt = <3800000>;
> + regulator-name = "vcc_sys";
> + };
> +
> + vcc_wifi: regulator-vcc-wifi {
> + compatible = "regulator-fixed";
> + gpio = <&gpio0 RK_PA0 GPIO_ACTIVE_LOW>;
> + pinctrl-0 = <&vcc_wifi_h>;
> + pinctrl-names = "default";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcc_wifi";
> + };
> +};
> +
> +&combphy1 {
> + status = "okay";
> +};
> +
> +&cru {
> + assigned-clocks = <&pmucru CLK_RTC_32K>, <&cru PLL_GPLL>,
> + <&pmucru PLL_PPLL>, <&cru PLL_VPLL>;
> + assigned-clock-rates = <32768>, <1200000000>,
> + <200000000>, <126400000>;
> +};
> +
> +&cpu0 {
> + cpu-supply = <&vdd_cpu>;
> +};
> +
> +&cpu1 {
> + cpu-supply = <&vdd_cpu>;
> +};
> +
> +&cpu2 {
> + cpu-supply = <&vdd_cpu>;
> +};
> +
> +&cpu3 {
> + cpu-supply = <&vdd_cpu>;
> +};
> +
> +&dsi_dphy0 {
> + status = "okay";
> +};
> +
> +&dsi0 {
> + status = "okay";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ports {
> + dsi0_in: port at 0 {
> + reg = <0>;
> + dsi0_in_vp1: endpoint {
> + remote-endpoint = <&vp1_out_dsi0>;
> + };
> + };
> +
> + dsi0_out: port at 1 {
> + reg = <1>;
> + mipi_out_panel: endpoint {
> + remote-endpoint = <&mipi_in_panel>;
> + };
> + };
> + };
> +
> + panel: panel at 0 {
> + compatible = "powkiddy,x55-panel", "himax,hx8394";
> + reg = <0>;
> + backlight = <&backlight>;
> + iovcc-supply = <&vcc_lcd>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&lcd_rst>;
> + reset-gpios = <&gpio0 RK_PD5 GPIO_ACTIVE_LOW>;
> + rotation = <270>;
> + vcc-supply = <&vcc_lcd>;
> +
> + port {
> + mipi_in_panel: endpoint {
> + remote-endpoint = <&mipi_out_panel>;
> + };
> + };
> + };
> +};
> +
> +&gpu {
> + mali-supply = <&vdd_gpu>;
> + status = "okay";
> +};
> +
> +&hdmi {
> + ddc-i2c-bus = <&i2c5>;
> + pinctrl-0 = <&hdmitxm0_cec>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> +
> +&hdmi_in {
> + hdmi_in_vp0: endpoint {
> + remote-endpoint = <&vp0_out_hdmi>;
> + };
> +};
> +
> +&hdmi_out {
> + hdmi_out_con: endpoint {
> + remote-endpoint = <&hdmi_con_in>;
> + };
> +};
> +
> +&hdmi_sound {
> + status = "okay";
> +};
> +
> +&i2c0 {
> + status = "okay";
> +
> + rk817: pmic at 20 {
> + compatible = "rockchip,rk817";
> + reg = <0x20>;
> + assigned-clocks = <&cru I2S1_MCLKOUT_TX>;
> + assigned-clock-parents = <&cru CLK_I2S1_8CH_TX>;
> + clock-names = "mclk";
> + clock-output-names = "rk808-clkout1", "rk808-clkout2";
> + clocks = <&cru I2S1_MCLKOUT_TX>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <RK_PA3 IRQ_TYPE_LEVEL_LOW>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2s1m0_mclk>, <&pmic_int_l>;
> + wakeup-source;
> + #clock-cells = <1>;
> + #sound-dai-cells = <0>;
> +
> + vcc1-supply = <&vcc_sys>;
> + vcc2-supply = <&vcc_sys>;
> + vcc3-supply = <&vcc_sys>;
> + vcc4-supply = <&vcc_sys>;
> + vcc5-supply = <&vcc_sys>;
> + vcc6-supply = <&vcc_sys>;
> + vcc7-supply = <&vcc_sys>;
> + vcc8-supply = <&vcc_sys>;
> + vcc9-supply = <&dcdc_boost>;
> +
> + regulators {
> + vdd_logic: DCDC_REG1 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <500000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-ramp-delay = <6001>;
> + regulator-initial-mode = <0x2>;
> + regulator-name = "vdd_logic";
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + regulator-suspend-microvolt = <900000>;
> + };
> + };
> +
> + vdd_gpu: DCDC_REG2 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <500000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-ramp-delay = <6001>;
> + regulator-initial-mode = <0x2>;
> + regulator-name = "vdd_gpu";
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc_ddr: DCDC_REG3 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-initial-mode = <0x2>;
> + regulator-name = "vcc_ddr";
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + };
> + };
> +
> + vcc_3v3: DCDC_REG4 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-initial-mode = <0x2>;
> + regulator-name = "vcc_3v3";
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <3300000>;
> + };
> + };
> +
> + vcca1v8_pmu: LDO_REG1 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcca1v8_pmu";
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1800000>;
> + };
> + };
> +
> + vdda_0v9: LDO_REG2 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <900000>;
> + regulator-max-microvolt = <900000>;
> + regulator-name = "vdda_0v9";
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdda0v9_pmu: LDO_REG3 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <900000>;
> + regulator-max-microvolt = <900000>;
> + regulator-name = "vdda0v9_pmu";
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <900000>;
> + };
> + };
> +
> + vccio_acodec: LDO_REG4 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vccio_acodec";
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vccio_sd: LDO_REG5 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vccio_sd";
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc3v3_pmu: LDO_REG6 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcc3v3_pmu";
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <3300000>;
> + };
> + };
> +
> + vcc_1v8: LDO_REG7 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcc_1v8";
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc1v8_dvp: LDO_REG8 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-name = "vcc1v8_dvp";
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + };
> + };
> +
> + vcc2v8_dvp: LDO_REG9 {
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3300000>;
> + regulator-name = "vcc2v8_dvp";
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + dcdc_boost: BOOST {
> + regulator-min-microvolt = <4700000>;
> + regulator-max-microvolt = <5400000>;
> + regulator-name = "boost";
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + otg_switch: OTG_SWITCH {
> + regulator-name = "otg_switch";
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> + };
> +
> + rk817_charger: charger {
> + monitored-battery = <&battery>;
> + rockchip,resistor-sense-micro-ohms = <10000>;
> + rockchip,sleep-enter-current-microamp = <150000>;
> + rockchip,sleep-filter-current-microamp = <100000>;
> + };
> +
> + };
> +
> + vdd_cpu: regulator at 1c {
> + compatible = "tcs,tcs4525";
> + reg = <0x1c>;
> + fcs,suspend-voltage-selector = <1>;
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <712500>;
> + regulator-max-microvolt = <1390000>;
> + regulator-name = "vdd_cpu";
> + regulator-ramp-delay = <2300>;
> + vin-supply = <&vcc_sys>;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +};
> +
> +&i2c5 {
> + pinctrl-0 = <&i2c5m1_xfer>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> +
> +&i2s0_8ch {
> + status = "okay";
> +};
> +
> +&i2s1_8ch {
> + pinctrl-0 = <&i2s1m0_sclktx>, <&i2s1m0_lrcktx>, <&i2s1m0_sdi0>,
> + <&i2s1m0_sdo0>;
> + pinctrl-names = "default";
> + rockchip,trcm-sync-tx-only;
> + status = "okay";
> +};
> +
> +&pinctrl {
> + audio-amplifier {
> + spk_amp_enable_h: spk-amp-enable-h {
> + rockchip,pins =
> + <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + gpio-control {
> + btn_pins_ctrl: btn-pins-ctrl {
> + rockchip,pins =
> + <3 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>,
> + <3 RK_PC7 RK_FUNC_GPIO &pcfg_pull_up>,
> + <3 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>,
> + <3 RK_PD1 RK_FUNC_GPIO &pcfg_pull_up>,
> + <3 RK_PD2 RK_FUNC_GPIO &pcfg_pull_up>,
> + <3 RK_PD3 RK_FUNC_GPIO &pcfg_pull_up>,
> + <3 RK_PD4 RK_FUNC_GPIO &pcfg_pull_up>,
> + <3 RK_PD5 RK_FUNC_GPIO &pcfg_pull_up>,
> + <3 RK_PD6 RK_FUNC_GPIO &pcfg_pull_up>,
> + <3 RK_PD7 RK_FUNC_GPIO &pcfg_pull_up>,
> + <4 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>,
> + <4 RK_PA1 RK_FUNC_GPIO &pcfg_pull_up>,
> + <4 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>,
> + <4 RK_PA4 RK_FUNC_GPIO &pcfg_pull_up>,
> + <4 RK_PA7 RK_FUNC_GPIO &pcfg_pull_up>,
> + <4 RK_PB0 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> +
> + btn_pins_vol: btn-pins-vol {
> + rockchip,pins =
> + <4 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>,
> + <4 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + gpio-lcd {
> + lcd_rst: lcd-rst {
> + rockchip,pins =
> + <0 RK_PD5 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + gpio-leds {
> + led_pins: led-pins {
> + rockchip,pins =
> + <4 RK_PB4 RK_FUNC_GPIO &pcfg_pull_none>,
> + <4 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>,
> + <4 RK_PB6 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + hp-detect {
> + hp_det: hp-det {
> + rockchip,pins =
> + <4 RK_PC6 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + pmic {
> + pmic_int_l: pmic-int-l {
> + rockchip,pins =
> + <0 RK_PA3 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + sdio-pwrseq {
> + wifi_enable_h: wifi-enable-h {
> + rockchip,pins =
> + <0 RK_PC0 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + usb {
> + vcc5v0_host_en: vcc5v0-host-en {
> + rockchip,pins =
> + <4 RK_PC4 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> +
> + vcc5v0_otg_en: vcc5v0-otg-en {
> + rockchip,pins =
> + <4 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + vcc-lcd {
> + vcc_lcd_en: vcc-lcd-en {
> + rockchip,pins =
> + <0 RK_PC7 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + vcc-wifi {
> + vcc_wifi_h: vcc-wifi-h {
> + rockchip,pins =
> + <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +};
> +
> +&pmu_io_domains {
> + status = "okay";
> + pmuio1-supply = <&vcc3v3_pmu>;
> + pmuio2-supply = <&vcca1v8_pmu>;
> + vccio1-supply = <&vccio_acodec>;
> + vccio3-supply = <&vccio_sd>;
> + vccio4-supply = <&vcca1v8_pmu>;
> + vccio5-supply = <&vcc2v8_dvp>;
> + vccio6-supply = <&vcc1v8_dvp>;
> + vccio7-supply = <&vcc_3v3>;
> +};
> +
> +&pwm4 {
> + status = "okay";
> +};
> +
> +&saradc {
> + vref-supply = <&vcc_1v8>;
> + status = "okay";
> +};
> +
> +&sdhci {
> + bus-width = <8>;
> + mmc-hs200-1_8v;
> + non-removable;
> + pinctrl-0 = <&emmc_bus8>, <&emmc_clk>, <&emmc_cmd>,
> + <&emmc_datastrobe>, <&emmc_rstnout>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> +
> +&sdmmc0 {
> + bus-width = <4>;
> + cap-mmc-highspeed;
> + cap-sd-highspeed;
> + disable-wp;
> + pinctrl-0 = <&sdmmc0_bus4>, <&sdmmc0_clk>, <&sdmmc0_cmd>,
> + <&sdmmc0_det>;
> + pinctrl-names = "default";
> + sd-uhs-sdr104;
> + vqmmc-supply = <&vccio_sd>;
> + status = "okay";
> +};
> +
> +&sdmmc1 {
> + bus-width = <4>;
> + cap-sd-highspeed;
> + cap-sdio-irq;
> + keep-power-in-suspend;
> + mmc-pwrseq = <&sdio_pwrseq>;
> + non-removable;
> + pinctrl-0 = <&sdmmc1_bus4>, <&sdmmc1_cmd>, <&sdmmc1_clk>;
> + pinctrl-names = "default";
> + vmmc-supply = <&vcc_wifi>;
> + status = "okay";
> +};
> +
> +&sdmmc2 {
> + bus-width = <4>;
> + cap-mmc-highspeed;
> + cap-sd-highspeed;
> + disable-wp;
> + pinctrl-0 = <&sdmmc2m1_bus4>, <&sdmmc2m1_cmd>, <&sdmmc2m1_clk>,
> + <&sdmmc2m1_det>;
> + pinctrl-names = "default";
> + sd-uhs-sdr104;
> + vqmmc-supply = <&vcc2v8_dvp>;
> + status = "okay";
> +};
> +
> +&tsadc {
> + rockchip,hw-tshut-mode = <1>;
> + rockchip,hw-tshut-polarity = <0>;
> + status = "okay";
> +};
> +
> +&uart1 {
> + pinctrl-0 = <&uart1m0_xfer>, <&uart1m0_ctsn>, <&uart1m0_rtsn>;
> + pinctrl-names = "default";
> + uart-has-rtscts;
> + status = "okay";
> +
> + bluetooth {
> + compatible = "realtek,rtl8821cs-bt", "realtek,rtl8723bs-bt";
> + device-wake-gpios = <&gpio0 RK_PB6 GPIO_ACTIVE_HIGH>;
> + enable-gpios = <&gpio0 RK_PC1 GPIO_ACTIVE_HIGH>;
> + host-wake-gpios = <&gpio0 RK_PB5 GPIO_ACTIVE_HIGH>;
> + };
> +};
> +
> +&uart2 {
> + status = "okay";
> +};
> +
> +&usb_host0_xhci {
> + phys = <&usb2phy0_otg>;
> + phy-names = "usb2-phy";
> + status = "okay";
> +};
> +
> +&usb_host1_xhci {
> + status = "okay";
> +};
> +
> +&usb2phy0 {
> + status = "okay";
> +};
> +
> +&usb2phy0_otg {
> + status = "okay";
> +};
> +
> +&usb2phy0_host {
> + phy-supply = <&vcc5v0_host>;
> + status = "okay";
> +};
> +
> +&vop {
> + assigned-clocks = <&cru DCLK_VOP0>, <&cru DCLK_VOP1>;
> + assigned-clock-parents = <&pmucru PLL_HPLL>, <&cru PLL_VPLL>;
> + status = "okay";
> +};
> +
> +&vop_mmu {
> + status = "okay";
> +};
> +
> +&vp0 {
> + vp0_out_hdmi: endpoint at ROCKCHIP_VOP2_EP_HDMI0 {
> + reg = <ROCKCHIP_VOP2_EP_HDMI0>;
> + remote-endpoint = <&hdmi_in_vp0>;
> + };
> +};
> +
> +&vp1 {
> + vp1_out_dsi0: endpoint at ROCKCHIP_VOP2_EP_MIPI0 {
> + reg = <ROCKCHIP_VOP2_EP_MIPI0>;
> + remote-endpoint = <&dsi0_in_vp1>;
> + };
> +};
> diff --git a/arch/arm/mach-rockchip/rk3568/Kconfig b/arch/arm/mach-rockchip/rk3568/Kconfig
> index baa51349f4..a97da8ae55 100644
> --- a/arch/arm/mach-rockchip/rk3568/Kconfig
> +++ b/arch/arm/mach-rockchip/rk3568/Kconfig
> @@ -22,6 +22,11 @@ config TARGET_ODROID_M1_RK3568
> help
> Hardkernel ODROID-M1 single board computer with a RK3568B2 SoC.
>
> +config TARGET_POWKIDDY_X55_RK3566
> + bool "Powkiddy X55"
> + help
> + Powkiddy X55 handheld gaming console with an RK3566 SoC.
> +
> config TARGET_QUARTZ64_RK3566
> bool "Pine64 Quartz64"
> help
> @@ -45,5 +50,6 @@ source "board/rockchip/evb_rk3568/Kconfig"
> source "board/anbernic/rgxx3_rk3566/Kconfig"
> source "board/hardkernel/odroid_m1/Kconfig"
> source "board/pine64/quartz64_rk3566/Kconfig"
> +source "board/powkiddy/x55/Kconfig"
>
> endif
> diff --git a/board/powkiddy/x55/Kconfig b/board/powkiddy/x55/Kconfig
> new file mode 100644
> index 0000000000..a7b3ed4d0d
> --- /dev/null
> +++ b/board/powkiddy/x55/Kconfig
> @@ -0,0 +1,15 @@
> +if TARGET_POWKIDDY_X55_RK3566
> +
> +config SYS_BOARD
> + default "x55"
> +
> +config SYS_VENDOR
> + default "powkiddy"
> +
> +config SYS_CONFIG_NAME
> + default "powkiddy-x55-rk3566"
> +
> +config BOARD_SPECIFIC_OPTIONS
> + def_bool y
> +
> +endif
> diff --git a/board/powkiddy/x55/MAINTAINERS b/board/powkiddy/x55/MAINTAINERS
> new file mode 100644
> index 0000000000..9ed48f408e
> --- /dev/null
> +++ b/board/powkiddy/x55/MAINTAINERS
> @@ -0,0 +1,9 @@
> +X55
> +M: Chris Morgan <macromorgan at hotmail.com>
> +S: Maintained
> +F: board/powkiddy/x55
> +F: include/configs/powkiddy-x55-rk3566.h
> +F: configs/powkiddy-x55-rk3566_defconfig
> +F: arch/arm/dts/rk3566-powkiddy-x55.dts
> +F: arch/arm/dts/rk3566-powkiddy-x55-u-boot.dtsi
> +F: doc/board/powkiddy/x55.rst
> diff --git a/board/powkiddy/x55/Makefile b/board/powkiddy/x55/Makefile
> new file mode 100644
> index 0000000000..55c8c16aa1
> --- /dev/null
> +++ b/board/powkiddy/x55/Makefile
> @@ -0,0 +1,6 @@
> +# SPDX-License-Identifier: GPL-2.0+
> +#
> +# Copyright (c) 2023 Chris Morgan <macromorgan at hotmail.com>
> +#
> +
> +obj-y += x55.o
> diff --git a/board/powkiddy/x55/x55.c b/board/powkiddy/x55/x55.c
> new file mode 100644
> index 0000000000..8d98baa24f
> --- /dev/null
> +++ b/board/powkiddy/x55/x55.c
> @@ -0,0 +1,42 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright (c) 2023 Chris Morgan <macromorgan at hotmail.com>
> + */
> +
> +#include <asm/arch-rockchip/boot_mode.h>
> +#include <asm/io.h>
> +
> +#define GPIO4_BASE 0xfe770000
> +#define GPIO_SWPORT_DR_L 0x0000
> +#define GPIO_SWPORT_DDR_L 0x0008
> +#define GPIO_B4 BIT(12)
> +#define GPIO_B5 BIT(13)
> +#define GPIO_B6 BIT(14)
> +
> +#define GPIO_WRITEMASK(bits) ((bits) << 16)
> +
> +/*
> + * Start LED very early so user knows device is on. Set color
> + * to red.
> + */
> +void spl_board_init(void)
> +{
> + setup_boot_mode();
> +
> + /* Set GPIO4_B4, GPIO4_B5, and GPIO4_B6 to output. */
> + writel(GPIO_WRITEMASK(GPIO_B6 | GPIO_B5 | GPIO_B4) | \
> + (GPIO_B6 | GPIO_B5 | GPIO_B4),
> + (GPIO4_BASE + GPIO_SWPORT_DDR_L));
> + /* Set GPIO4_B5 and GPIO4_B6 to 0 and GPIO4_B4 to 1. */
> + writel(GPIO_WRITEMASK(GPIO_B6 | GPIO_B5 | GPIO_B4) | GPIO_B4,
> + (GPIO4_BASE + GPIO_SWPORT_DR_L));
> +}
> +
> +int rk_board_late_init(void)
> +{
> + /* Turn off red LED and turn on orange LED. */
> + writel(GPIO_WRITEMASK(GPIO_B6 | GPIO_B5 | GPIO_B4) | GPIO_B6,
> + (GPIO4_BASE + GPIO_SWPORT_DR_L));
> +
> + return 0;
> +}
> diff --git a/configs/powkiddy-x55-rk3566_defconfig b/configs/powkiddy-x55-rk3566_defconfig
> new file mode 100644
> index 0000000000..f9a513f97c
> --- /dev/null
> +++ b/configs/powkiddy-x55-rk3566_defconfig
> @@ -0,0 +1,92 @@
> +CONFIG_ARM=y
> +CONFIG_SKIP_LOWLEVEL_INIT=y
> +CONFIG_COUNTER_FREQUENCY=24000000
> +CONFIG_ARCH_ROCKCHIP=y
> +CONFIG_TEXT_BASE=0x00a00000
> +CONFIG_SPL_GPIO=y
> +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_DEFAULT_DEVICE_TREE="rk3566-powkiddy-x55"
> +CONFIG_ROCKCHIP_RK3568=y
> +CONFIG_SPL_ROCKCHIP_BACK_TO_BROM=y
> +CONFIG_SPL_ROCKCHIP_COMMON_BOARD=y
> +CONFIG_ROCKCHIP_RK8XX_DISABLE_BOOT_ON_POWERON=y
> +CONFIG_SPL_MMC=y
> +CONFIG_SPL_SERIAL=y
> +CONFIG_SPL_STACK_R_ADDR=0x600000
> +CONFIG_TARGET_POWKIDDY_X55_RK3566=y
> +CONFIG_SPL_STACK=0x400000
> +CONFIG_DEBUG_UART_BASE=0xFE660000
> +CONFIG_DEBUG_UART_CLOCK=24000000
> +CONFIG_SYS_LOAD_ADDR=0xc00800
> +CONFIG_DEBUG_UART=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_STDOUT_VIA_ALIAS=y
> +CONFIG_DEFAULT_FDT_FILE="rockchip/rk3566-powkiddy-x55.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_BOARD_INIT=y
> +# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
> +# CONFIG_SPL_SHARES_INIT_SP_ADDR is not set
> +CONFIG_SPL_STACK_R=y
> +CONFIG_SPL_ADC=y
> +CONFIG_SPL_POWER=y
> +CONFIG_SPL_ATF=y
> +CONFIG_CMD_PWM=y
> +CONFIG_CMD_GPT=y
> +CONFIG_CMD_MMC=y
> +# CONFIG_CMD_SETEXPR is not set
> +# 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_ENV_VARS_UBOOT_RUNTIME_CONFIG=y
> +# CONFIG_NET is not set
> +CONFIG_SPL_DM_SEQ_ALIAS=y
> +CONFIG_SPL_REGMAP=y
> +CONFIG_SPL_SYSCON=y
> +CONFIG_SPL_CLK=y
> +CONFIG_ARM_SMCCC_FEATURES=y
> +CONFIG_SCMI_FIRMWARE=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_SPL_PINCTRL=y
> +CONFIG_DM_PMIC=y
> +CONFIG_DM_PMIC_FAN53555=y
> +CONFIG_PMIC_RK8XX=y
> +CONFIG_SPL_DM_REGULATOR=y
> +CONFIG_SPL_DM_REGULATOR_FIXED=y
> +CONFIG_REGULATOR_RK8XX=y
> +CONFIG_PWM_ROCKCHIP=y
> +CONFIG_SPL_RAM=y
> +# CONFIG_RAM_ROCKCHIP_DEBUG is not set
> +CONFIG_DM_RNG=y
> +CONFIG_RNG_ROCKCHIP=y
> +# CONFIG_RNG_SMCCC_TRNG is not set
> +CONFIG_BAUDRATE=1500000
> +CONFIG_DEBUG_UART_SHIFT=2
> +CONFIG_SYS_NS16550_MEM32=y
> +CONFIG_SYSRESET=y
> +CONFIG_REGEX=y
> +# CONFIG_RSA is not set
> +CONFIG_ERRNO_STR=y
> +# CONFIG_EFI_LOADER is not set
> diff --git a/doc/board/index.rst b/doc/board/index.rst
> index 531e547e7e..dd4bce9981 100644
> --- a/doc/board/index.rst
> +++ b/doc/board/index.rst
> @@ -36,6 +36,7 @@ Board-specific doc
> nxp/index
> openpiton/index
> phytec/index
> + powkiddy/index
> purism/index
> qualcomm/index
> renesas/index
> diff --git a/doc/board/powkiddy/index.rst b/doc/board/powkiddy/index.rst
> new file mode 100644
> index 0000000000..b0115a73d4
> --- /dev/null
> +++ b/doc/board/powkiddy/index.rst
> @@ -0,0 +1,9 @@
> +.. SPDX-License-Identifier: GPL-2.0+
> +
> +Powkiddy
> +========
> +
> +.. toctree::
> + :maxdepth: 2
> +
> + x55.rst
> diff --git a/doc/board/powkiddy/x55.rst b/doc/board/powkiddy/x55.rst
> new file mode 100644
> index 0000000000..cd7456883b
> --- /dev/null
> +++ b/doc/board/powkiddy/x55.rst
> @@ -0,0 +1,25 @@
> +.. SPDX-License-Identifier: GPL-2.0+
> +
> +U-Boot for Powkiddy X55 Handheld Gaming Console
> +===============================================
> +
> +This allows U-Boot to boot the Powkiddy X55 handheld gaming console.
> +The X55 is very similar to the other existing Powkiddy RK3566 based
> +devices, except that ADC channels 0-3 are used for the ADC joysticks.
> +As a result the same auto detection functionality cannot be used on
> +this device as the others.
> +
> +The indicator LED will change color based on the boot stage. Red means
> +the device is powered on but has yet to start U-Boot, amber means the
> +device has started U-Boot and is waiting to boot Linux, and when Linux
> +has taken over the LED should change to green (or however it has been
> +configured by the user).
> +
> +In the event the device needs to enter Rockchip download mode, a user
> +can, starting with the power off, hold the left joystick all the way
> +to the left and then power on the device. At this point the USB-C port
> +marked DC/OTG should be set to peripheral mode and allow a user to
> +manipulate the device with the rkdeveloptool tool.
> +
> +See :doc:`../rockchip/devicetree/rockchip` for building and flashing
> +instructions.
> diff --git a/doc/board/rockchip/rockchip.rst b/doc/board/rockchip/rockchip.rst
> index 18d0b6f089..4e290cecdc 100644
> --- a/doc/board/rockchip/rockchip.rst
> +++ b/doc/board/rockchip/rockchip.rst
> @@ -98,6 +98,7 @@ List of mainline supported Rockchip boards:
> - Pine64 SOQuartz on Blade (soquartz-blade-rk3566)
> - Pine64 SOQuartz on CM4-IO (soquartz-cm4-rk3566)
> - Pine64 SOQuartz on Model A (soquartz-model-a-rk3566)
> + - Powkiddy X55 (powkiddy-x55-rk3566)
> - Radxa CM3 IO Board (radxa-cm3-io-rk3566)
>
> * rk3568
> diff --git a/include/configs/powkiddy-x55-rk3566.h b/include/configs/powkiddy-x55-rk3566.h
> new file mode 100644
> index 0000000000..a25b6de455
> --- /dev/null
> +++ b/include/configs/powkiddy-x55-rk3566.h
> @@ -0,0 +1,14 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +
> +#ifndef __POWKIDDY_X55_RK3566_H
> +#define __POWKIDDY_X55_RK3566_H
> +
> +#include <configs/rk3568_common.h>
> +
> +#define ROCKCHIP_DEVICE_SETTINGS \
> + "stdout=serial,vidconsole\0" \
> + "stderr=serial,vidconsole\0"
> +
> +#define RK_DNL_ADC_CHAN 0
> +
> +#endif
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