[PATCH V2 1/4] board: rockchip: Convert Anbernic RGxx3 to OF_UPSTREAM

Kever Yang kever.yang at rock-chips.com
Fri Oct 25 14:04:17 CEST 2024


On 2024/9/19 22:00, Chris Morgan wrote:
> From: Chris Morgan <macromorgan at hotmail.com>
>
> Refactor the board detection logic (again) to make it compatible with
> the upstream device-trees, and switch to OF_UPSTREAM.
>
> Now the device boots with the device-tree for the 353P, and then
> loads the correct device tree (of 10) in the later stages of SPL.
>
> Signed-off-by: Chris Morgan <macromorgan at hotmail.com>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   .../dts/rk3566-anbernic-rg353p-u-boot.dtsi    |  34 +++
>   .../arm/dts/rk3566-anbernic-rgxx3-u-boot.dtsi |  52 -----
>   arch/arm/dts/rk3566-anbernic-rgxx3.dts        |  28 ---
>   board/anbernic/rgxx3_rk3566/MAINTAINERS       |   4 +-
>   board/anbernic/rgxx3_rk3566/rgxx3-rk3566.c    | 214 +++++++++++++-----
>   configs/anbernic-rgxx3-rk3566_defconfig       |  10 +-
>   6 files changed, 195 insertions(+), 147 deletions(-)
>   create mode 100644 arch/arm/dts/rk3566-anbernic-rg353p-u-boot.dtsi
>   delete mode 100644 arch/arm/dts/rk3566-anbernic-rgxx3-u-boot.dtsi
>   delete mode 100644 arch/arm/dts/rk3566-anbernic-rgxx3.dts
>
> diff --git a/arch/arm/dts/rk3566-anbernic-rg353p-u-boot.dtsi b/arch/arm/dts/rk3566-anbernic-rg353p-u-boot.dtsi
> new file mode 100644
> index 00000000000..fa3fbe6c810
> --- /dev/null
> +++ b/arch/arm/dts/rk3566-anbernic-rg353p-u-boot.dtsi
> @@ -0,0 +1,34 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +
> +#include "rk356x-u-boot.dtsi"
> +
> +/ {
> +	chosen {
> +		u-boot,spl-boot-order = &sdmmc0, &sdhci;
> +	};
> +
> +	/*
> +	 * Adding fixed regulator to work around driver regulator
> +	 * requirements. Note that the correct regulator is on by
> +	 * default at boot and that saradc regulator gets corrected
> +	 * when proper device-tree is loaded.
> +	 */
> +	vcc_1v8_dummy: vcc-1v8-dummy {
> +		bootph-pre-ram;
> +		bootph-some-ram;
> +		compatible = "regulator-fixed";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		regulator-name = "vcc_1v8_dummy";
> +		status = "okay";
> +	};
> +};
> +
> +&saradc {
> +	bootph-pre-ram;
> +	bootph-some-ram;
> +	vref-supply = <&vcc_1v8_dummy>;
> +	status = "okay";
> +};
> diff --git a/arch/arm/dts/rk3566-anbernic-rgxx3-u-boot.dtsi b/arch/arm/dts/rk3566-anbernic-rgxx3-u-boot.dtsi
> deleted file mode 100644
> index c7e849816a6..00000000000
> --- a/arch/arm/dts/rk3566-anbernic-rgxx3-u-boot.dtsi
> +++ /dev/null
> @@ -1,52 +0,0 @@
> -// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> -
> -#include "rk356x-u-boot.dtsi"
> -
> -/ {
> -	chosen {
> -		u-boot,spl-boot-order = &sdmmc0, &sdhci;
> -	};
> -};
> -
> -&dsi_dphy0 {
> -	status = "okay";
> -};
> -
> -&dsi0 {
> -	status = "okay";
> -};
> -
> -&i2c2 {
> -	pinctrl-0 = <&i2c2m1_xfer>;
> -	pinctrl-names = "default";
> -	status = "okay";
> -};
> -
> -&pmucru {
> -	assigned-clocks = <&pmucru SCLK_32K_IOE>;
> -	assigned-clock-parents = <&pmucru CLK_RTC_32K>;
> -};
> -
> -/*
> - * We don't need the clocks, but if they are present they may cause
> - * probing to fail so we remove them for U-Boot.
> - */
> -&rk817 {
> -	/delete-property/ assigned-clocks;
> -	/delete-property/ assigned-clock-parents;
> -	/delete-property/ clocks;
> -	/delete-property/ clock-names;
> -};
> -
> -&sdhci {
> -	pinctrl-0 = <&emmc_bus8>, <&emmc_clk>, <&emmc_cmd>,
> -		    <&emmc_datastrobe>, <&emmc_rstnout>;
> -	pinctrl-names = "default";
> -	bus-width = <8>;
> -	max-frequency = <200000000>;
> -	mmc-hs200-1_8v;
> -	non-removable;
> -	vmmc-supply = <&vcc_3v3>;
> -	vqmmc-supply = <&vcc_1v8>;
> -	status = "okay";
> -};
> diff --git a/arch/arm/dts/rk3566-anbernic-rgxx3.dts b/arch/arm/dts/rk3566-anbernic-rgxx3.dts
> deleted file mode 100644
> index c393c8d07af..00000000000
> --- a/arch/arm/dts/rk3566-anbernic-rgxx3.dts
> +++ /dev/null
> @@ -1,28 +0,0 @@
> -// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> -
> -/dts-v1/;
> -
> -#include "rk3566-anbernic-rgxx3.dtsi"
> -
> -/ {
> -
> -/*
> - * Note this is a pseudo-model that doesn't exist in mainline Linux.
> - * This model is used for all RGXX3 devices and the board.c file will
> - * set the correct dtb name for loading mainline Linux automatically.
> - */
> -	model = "RGXX3";
> -	compatible = "anbernic,rg-arc-d", "anbernic,rg-arc-s",
> -		     "anbernic,rg353m", "anbernic,rg353p",
> -		     "anbernic,rg353ps", "anbernic,rg353v",
> -		     "anbernic,rg353vs", "anbernic,rg503",
> -		     "powkiddy,rgb10max3", "powkiddy,rgb30",
> -		     "powkiddy,rk2023", "rockchip,rk3566";
> -};
> -
> -&cru {
> -	assigned-clocks = <&pmucru CLK_RTC_32K>, <&cru PLL_GPLL>,
> -			  <&pmucru PLL_PPLL>, <&cru PLL_VPLL>;
> -	assigned-clock-rates = <32768>, <1200000000>,
> -			       <200000000>, <241500000>;
> -};
> diff --git a/board/anbernic/rgxx3_rk3566/MAINTAINERS b/board/anbernic/rgxx3_rk3566/MAINTAINERS
> index 7970e5a4aad..75a1e8076ca 100644
> --- a/board/anbernic/rgxx3_rk3566/MAINTAINERS
> +++ b/board/anbernic/rgxx3_rk3566/MAINTAINERS
> @@ -4,6 +4,4 @@ S:	Maintained
>   F:	board/anbernic/rgxx3_rk3566
>   F:	include/configs/anbernic-rgxx3-rk3566.h
>   F:	configs/anbernic-rgxx3-rk3566_defconfig
> -F:	arch/arm/dts/rk3566-anbernic-rgxx3.dts
> -F:	arch/arm/dts/rk3566-anbernic-rgxx3.dtsi
> -F:	arch/arm/dts/rk3566-anbernic-rgxx3-u-boot.dtsi
> +F:	arch/arm/dts/rk3566-anbernic-rg353p-u-boot.dtsi
> diff --git a/board/anbernic/rgxx3_rk3566/rgxx3-rk3566.c b/board/anbernic/rgxx3_rk3566/rgxx3-rk3566.c
> index 5c57b902d14..224019f9ba3 100644
> --- a/board/anbernic/rgxx3_rk3566/rgxx3-rk3566.c
> +++ b/board/anbernic/rgxx3_rk3566/rgxx3-rk3566.c
> @@ -11,6 +11,7 @@
>   #include <dm/lists.h>
>   #include <env.h>
>   #include <fdt_support.h>
> +#include <i2c.h>
>   #include <linux/delay.h>
>   #include <mipi_dsi.h>
>   #include <mmc.h>
> @@ -19,6 +20,8 @@
>   #include <stdlib.h>
>   #include <video_bridge.h>
>   
> +DECLARE_GLOBAL_DATA_PTR;
> +
>   #define GPIO0_BASE		0xfdd60000
>   #define GPIO4_BASE		0xfe770000
>   #define GPIO_SWPORT_DR_L	0x0000
> @@ -40,10 +43,11 @@ struct rg3xx_model {
>   	const char *board_name;
>   	const char *fdtfile;
>   	const bool detect_panel;
> +	const bool uart_con;
>   };
>   
>   enum rgxx3_device_id {
> -	RG353M,
> +	RG353M = 1,
>   	RG353P,
>   	RG353V,
>   	RG503,
> @@ -61,45 +65,51 @@ static const struct rg3xx_model rg3xx_model_details[] = {
>   	[RG353M] = {
>   		.adc_value = 517, /* Observed average from device */
>   		.board = "rk3566-anbernic-rg353m",
> -		.board_name = "RG353M",
> +		.board_name = "Anbernic RG353M",
>   		/* Device is identical to RG353P. */
>   		.fdtfile = DTB_DIR "rk3566-anbernic-rg353p.dtb",
>   		.detect_panel = 1,
> +		.uart_con = 1,
>   	},
>   	[RG353P] = {
>   		.adc_value = 860, /* Documented value of 860 */
>   		.board = "rk3566-anbernic-rg353p",
> -		.board_name = "RG353P",
> +		.board_name = "Anbernic RG353P",
>   		.fdtfile = DTB_DIR "rk3566-anbernic-rg353p.dtb",
>   		.detect_panel = 1,
> +		.uart_con = 1,
>   	},
>   	[RG353V] = {
>   		.adc_value = 695, /* Observed average from device */
>   		.board = "rk3566-anbernic-rg353v",
> -		.board_name = "RG353V",
> +		.board_name = "Anbernic RG353V",
>   		.fdtfile = DTB_DIR "rk3566-anbernic-rg353v.dtb",
>   		.detect_panel = 1,
> +		.uart_con = 1,
>   	},
>   	[RG503] = {
>   		.adc_value = 1023, /* Observed average from device */
>   		.board = "rk3566-anbernic-rg503",
> -		.board_name = "RG503",
> +		.board_name = "Anbernic RG503",
>   		.fdtfile = DTB_DIR "rk3566-anbernic-rg503.dtb",
>   		.detect_panel = 0,
> +		.uart_con = 1,
>   	},
>   	[RGB30] = {
>   		.adc_value = 383, /* Gathered from second hand information */
>   		.board = "rk3566-powkiddy-rgb30",
> -		.board_name = "RGB30",
> +		.board_name = "Powkiddy RGB30",
>   		.fdtfile = DTB_DIR "rk3566-powkiddy-rgb30.dtb",
>   		.detect_panel = 0,
> +		.uart_con = 0,
>   	},
>   	[RK2023] = {
>   		.adc_value = 635, /* Observed average from device */
>   		.board = "rk3566-powkiddy-rk2023",
> -		.board_name = "RK2023",
> +		.board_name = "Powkiddy RK2023",
>   		.fdtfile = DTB_DIR "rk3566-powkiddy-rk2023.dtb",
>   		.detect_panel = 0,
> +		.uart_con = 0,
>   	},
>   	[RGARCD] = {
>   		.adc_value = 183, /* Observed average from device */
> @@ -107,6 +117,7 @@ static const struct rg3xx_model rg3xx_model_details[] = {
>   		.board_name = "Anbernic RG ARC-D",
>   		.fdtfile = DTB_DIR "rk3566-anbernic-rg-arc-d.dtb",
>   		.detect_panel = 0,
> +		.uart_con = 1,
>   	},
>   	[RGB10MAX3] = {
>   		.adc_value = 765, /* Observed average from device */
> @@ -114,21 +125,24 @@ static const struct rg3xx_model rg3xx_model_details[] = {
>   		.board_name = "Powkiddy RGB10MAX3",
>   		.fdtfile = DTB_DIR "rk3566-powkiddy-rgb10max3.dtb",
>   		.detect_panel = 0,
> +		.uart_con = 0,
>   	},
>   	/* Devices with duplicate ADC value */
>   	[RG353PS] = {
>   		.adc_value = 860, /* Observed average from device */
>   		.board = "rk3566-anbernic-rg353ps",
> -		.board_name = "RG353PS",
> +		.board_name = "Anbernic RG353PS",
>   		.fdtfile = DTB_DIR "rk3566-anbernic-rg353ps.dtb",
>   		.detect_panel = 1,
> +		.uart_con = 1,
>   	},
>   	[RG353VS] = {
>   		.adc_value = 695, /* Gathered from second hand information */
>   		.board = "rk3566-anbernic-rg353vs",
> -		.board_name = "RG353VS",
> +		.board_name = "Anbernic RG353VS",
>   		.fdtfile = DTB_DIR "rk3566-anbernic-rg353vs.dtb",
>   		.detect_panel = 1,
> +		.uart_con = 1,
>   	},
>   	[RGARCS] = {
>   		.adc_value = 183, /* Observed average from device */
> @@ -136,6 +150,7 @@ static const struct rg3xx_model rg3xx_model_details[] = {
>   		.board_name = "Anbernic RG ARC-S",
>   		.fdtfile = DTB_DIR "rk3566-anbernic-rg-arc-s.dtb",
>   		.detect_panel = 0,
> +		.uart_con = 1,
>   	},
>   };
>   
> @@ -164,7 +179,7 @@ static const struct rg353_panel rg353_panel_details[] = {
>   void spl_board_init(void)
>   {
>   	/* Set GPIO0_C5, GPIO0_C6, and GPIO0_C7 to output. */
> -	writel(GPIO_WRITEMASK(GPIO_C7 | GPIO_C6 | GPIO_C5) | \
> +	writel(GPIO_WRITEMASK(GPIO_C7 | GPIO_C6 | GPIO_C5) |
>   	       (GPIO_C7 | GPIO_C6 | GPIO_C5),
>   	       (GPIO0_BASE + GPIO_SWPORT_DDR_H));
>   	/* Set GPIO0_C5 and GPIO_C6 to 0 and GPIO0_C7 to 1. */
> @@ -174,16 +189,22 @@ void spl_board_init(void)
>   
>   /*
>    * Buzz the buzzer so the user knows something is going on. Make it
> - * optional in case PWM is disabled.
> + * optional in case PWM is disabled or if CONFIG_DM_PWM is not
> + * enabled.
>    */
>   void __maybe_unused startup_buzz(void)
>   {
>   	struct udevice *dev;
>   	int err;
>   
> -	err = uclass_get_device(UCLASS_PWM, 0, &dev);
> +	if (!IS_ENABLED(CONFIG_DM_PWM))
> +		return;
> +
> +	/* Probe the PWM controller. */
> +	err = uclass_get_device_by_name(UCLASS_PWM,
> +					"pwm at fe6e0010", &dev);
>   	if (err)
> -		printf("pwm not found\n");
> +		return;
>   
>   	pwm_set_enable(dev, 0, 1);
>   	mdelay(200);
> @@ -245,6 +266,13 @@ U_BOOT_DRIVER(anbernic_rg353_panel) = {
>   	.plat_auto	= sizeof(struct mipi_dsi_panel_plat),
>   };
>   
> +/*
> + * The Anbernic 353 series shipped with 2 distinct displays requiring
> + * 2 distinct drivers, with no way for a user to know which panel is
> + * which. This function queries the DSI panel for the panel ID to
> + * determine which panel is present so the device-tree can be corrected
> + * automatically.
> + */
>   int rgxx3_detect_display(void)
>   {
>   	struct udevice *dev;
> @@ -333,17 +361,10 @@ int rgxx3_detect_display(void)
>   	return 0;
>   }
>   
> -/* Detect which Anbernic RGXX3 device we are using so as to load the
> - * correct devicetree for Linux. Set an environment variable once
> - * found. The detection depends on the value of ADC channel 1, the
> - * presence of an eMMC on mmc0, and querying the DSI panel.
> - */
> -int rgxx3_detect_device(void)
> +int rgxx3_read_board_id(void)
>   {
>   	u32 adc_info;
> -	int ret, i;
> -	int board_id = -ENXIO;
> -	struct mmc *mmc;
> +	int ret;
>   
>   	ret = adc_channel_single_shot("saradc at fe720000", 1, &adc_info);
>   	if (ret) {
> @@ -357,16 +378,32 @@ int rgxx3_detect_device(void)
>   	 * design calls for no more than a 1% variance on the
>   	 * resistor, so assume a +- value of 15 should be enough.
>   	 */
> -	for (i = 0; i < ARRAY_SIZE(rg3xx_model_details); i++) {
> +	for (int i = 0; i < ARRAY_SIZE(rg3xx_model_details); i++) {
>   		u32 adc_min = rg3xx_model_details[i].adc_value - 15;
>   		u32 adc_max = rg3xx_model_details[i].adc_value + 15;
>   
> -		if (adc_min < adc_info && adc_max > adc_info) {
> -			board_id = i;
> -			break;
> -		}
> +		if (adc_min < adc_info && adc_max > adc_info)
> +			return i;
>   	}
>   
> +	return -ENODEV;
> +}
> +
> +/* Detect which Anbernic RGXX3 device we are using so as to load the
> + * correct devicetree for Linux. Set an environment variable once
> + * found. The detection depends on the value of ADC channel 1 and the
> + * presence of an eMMC on mmc0.
> + */
> +int rgxx3_detect_device(void)
> +{
> +	int ret;
> +	int board_id;
> +	struct mmc *mmc;
> +
> +	board_id = rgxx3_read_board_id();
> +	if (board_id < 0)
> +		return board_id;
> +
>   	/*
>   	 * Try to access the eMMC on an RG353V, RG353P, or RG Arc D.
>   	 * If it's missing, it's an RG353VS, RG353PS, or RG Arc S.
> @@ -387,67 +424,87 @@ int rgxx3_detect_device(void)
>   		}
>   	}
>   
> -	if (board_id < 0)
> -		return board_id;
> +	return board_id;
> +}
>   
> -	env_set("board", rg3xx_model_details[board_id].board);
> -	env_set("board_name",
> -		rg3xx_model_details[board_id].board_name);
> -	env_set("fdtfile", rg3xx_model_details[board_id].fdtfile);
> +/*
> + * Check the loaded device tree to set the correct gd->board_type.
> + * Disable the console if the board doesn't support a console.
> + */
> +int set_gd_value(void)
> +{
> +	const char *model;
>   
> -	/* Skip panel detection for when it is not needed. */
> -	if (!rg3xx_model_details[board_id].detect_panel)
> -		return 0;
> +	model = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
>   
> -	/* Warn but don't fail for errors in auto-detection of the panel. */
> -	ret = rgxx3_detect_display();
> -	if (ret)
> -		printf("Failed to detect panel type\n");
> +	for (int i = 0; i < ARRAY_SIZE(rg3xx_model_details); i++) {
> +		if (strcmp(rg3xx_model_details[i].board_name, model) == 0) {
> +			gd->board_type = i;
> +			if (!rg3xx_model_details[i].uart_con)
> +				gd->flags |= GD_FLG_SILENT |
> +					     GD_FLG_DISABLE_CONSOLE;
> +			return 0;
> +		}
> +	}
>   
> -	return 0;
> +	return -ENODEV;
>   }
>   
>   int rk_board_late_init(void)
>   {
>   	int ret;
>   
> -	ret = rgxx3_detect_device();
> +	ret = set_gd_value();
>   	if (ret) {
> -		printf("Unable to detect device type: %d\n", ret);
> -		return ret;
> +		printf("Unable to auto-detect device\n");
> +		goto end;
>   	}
>   
> +	/*
> +	 * Change the model number on the RG353M since it uses the same
> +	 * tree as the RG353P.
> +	 */
> +	if (gd->board_type == RG353P) {
> +		ret = rgxx3_read_board_id();
> +		if (ret > 0)
> +			gd->board_type = ret;
> +	}
> +
> +	env_set("board", rg3xx_model_details[gd->board_type].board);
> +	env_set("board_name",
> +		rg3xx_model_details[gd->board_type].board_name);
> +	env_set("fdtfile", rg3xx_model_details[gd->board_type].fdtfile);
> +
> +	/*
> +	 * Skip panel detection if not needed. Warn but don't fail for
> +	 * errors in auto-detection of the panel.
> +	 */
> +	if (rg3xx_model_details[gd->board_type].detect_panel) {
> +		ret = rgxx3_detect_display();
> +		if (ret)
> +			printf("Failed to detect panel type\n");
> +	}
> +
> +end:
>   	/* Turn off red LED and turn on orange LED. */
>   	writel(GPIO_WRITEMASK(GPIO_C7 | GPIO_C6 | GPIO_C5) | GPIO_C6,
>   	       (GPIO0_BASE + GPIO_SWPORT_DR_H));
>   
> -	if (IS_ENABLED(CONFIG_DM_PWM))
> -		startup_buzz();
> +	startup_buzz();
>   
>   	return 0;
>   }
>   
> -int ft_board_setup(void *blob, struct bd_info *bd)
> +int rgxx3_panel_fixup(void *blob)
>   {
>   	const struct rg353_panel *panel = NULL;
> -	int node, ret, i;
> +	int node, ret;
>   	char *env;
>   
> -	/* No fixups necessary for the RG503 */
> -	env = env_get("board_name");
> -	if (env && (!strcmp(env, rg3xx_model_details[RG503].board_name)))
> -		return 0;
> -
> -	/* Change the model name of the RG353M */
> -	if (env && (!strcmp(env, rg3xx_model_details[RG353M].board_name)))
> -		fdt_setprop(blob, 0, "model",
> -			    rg3xx_model_details[RG353M].board_name,
> -			    sizeof(rg3xx_model_details[RG353M].board_name));
> -
>   	env = env_get("panel");
>   	if (!env) {
>   		printf("Can't get panel env\n");
> -		return 0;
> +		return -EINVAL;
>   	}
>   
>   	/*
> @@ -469,7 +526,7 @@ int ft_board_setup(void *blob, struct bd_info *bd)
>   		return 0;
>   
>   	/* Panels don't match, search by first compatible value. */
> -	for (i = 0; i < ARRAY_SIZE(rg353_panel_details); i++) {
> +	for (int i = 0; i < ARRAY_SIZE(rg353_panel_details); i++) {
>   		if (!strcmp(env, rg353_panel_details[i].panel_compat[0])) {
>   			panel = &rg353_panel_details[i];
>   			break;
> @@ -489,3 +546,38 @@ int ft_board_setup(void *blob, struct bd_info *bd)
>   
>   	return 0;
>   }
> +
> +int ft_board_setup(void *blob, struct bd_info *bd)
> +{
> +	int ret;
> +
> +	if (gd->board_type == RG353M)
> +		fdt_setprop(blob, 0, "model",
> +			    rg3xx_model_details[RG353M].board_name,
> +			    sizeof(rg3xx_model_details[RG353M].board_name));
> +
> +	if (rg3xx_model_details[gd->board_type].detect_panel) {
> +		ret = rgxx3_panel_fixup(blob);
> +		if (ret)
> +			printf("Unable to update panel compat\n");
> +	}
> +
> +	return 0;
> +}
> +
> +int board_fit_config_name_match(const char *name)
> +{
> +	int ret;
> +
> +	if (gd->board_type == 0) {
> +		ret = rgxx3_detect_device();
> +		if (ret < 0)
> +			return ret;
> +		gd->board_type = ret;
> +	}
> +
> +	if (strcmp(name, rg3xx_model_details[gd->board_type].fdtfile) == 0)
> +		return 0;
> +
> +	return -ENXIO;
> +}
> diff --git a/configs/anbernic-rgxx3-rk3566_defconfig b/configs/anbernic-rgxx3-rk3566_defconfig
> index a03509bf467..f5e5470df8c 100644
> --- a/configs/anbernic-rgxx3-rk3566_defconfig
> +++ b/configs/anbernic-rgxx3-rk3566_defconfig
> @@ -3,7 +3,7 @@ CONFIG_SKIP_LOWLEVEL_INIT=y
>   CONFIG_COUNTER_FREQUENCY=24000000
>   CONFIG_ARCH_ROCKCHIP=y
>   CONFIG_SPL_GPIO=y
> -CONFIG_DEFAULT_DEVICE_TREE="rk3566-anbernic-rgxx3"
> +CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3566-anbernic-rg353p"
>   CONFIG_ROCKCHIP_RK3568=y
>   CONFIG_ROCKCHIP_RK8XX_DISABLE_BOOT_ON_POWERON=y
>   CONFIG_SPL_SERIAL=y
> @@ -19,8 +19,10 @@ CONFIG_SPL_LOAD_FIT=y
>   CONFIG_LEGACY_IMAGE_FORMAT=y
>   CONFIG_OF_BOARD_SETUP=y
>   CONFIG_OF_STDOUT_VIA_ALIAS=y
> -CONFIG_DEFAULT_FDT_FILE="rockchip/rk3566-anbernic-rgxx3.dtb"
> +CONFIG_DEFAULT_FDT_FILE="rockchip/rk3566-anbernic-rg353p.dtb"
> +CONFIG_DISABLE_CONSOLE=y
>   # CONFIG_CONSOLE_MUX is not set
> +CONFIG_BOARD_TYPES=y
>   # CONFIG_DISPLAY_CPUINFO is not set
>   CONFIG_DISPLAY_BOARDINFO_LATE=y
>   CONFIG_BOARD_RNG_SEED=y
> @@ -38,13 +40,14 @@ CONFIG_CMD_MMC=y
>   # CONFIG_SPL_DOS_PARTITION is not set
>   CONFIG_SPL_OF_CONTROL=y
>   CONFIG_OF_LIVE=y
> -# CONFIG_OF_UPSTREAM is not set
> +CONFIG_OF_LIST="rockchip/rk3566-anbernic-rg353p rockchip/rk3566-anbernic-rg353v rockchip/rk3566-anbernic-rg503 rockchip/rk3566-anbernic-rg-arc-d rockchip/rk3566-anbernic-rg353ps rockchip/rk3566-anbernic-rg353vs rockchip/rk3566-anbernic-rg-arc-s rockchip/rk3566-powkiddy-rgb30 rockchip/rk3566-powkiddy-rk2023 rockchip/rk3566-powkiddy-rgb10max3"
>   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_ADC=y
>   CONFIG_SPL_CLK=y
>   CONFIG_ARM_SMCCC_FEATURES=y
>   CONFIG_SCMI_FIRMWARE=y
> @@ -70,6 +73,7 @@ CONFIG_SPL_RAM=y
>   # CONFIG_RAM_ROCKCHIP_DEBUG is not set
>   # CONFIG_RNG_SMCCC_TRNG is not set
>   CONFIG_BAUDRATE=1500000
> +# CONFIG_REQUIRE_SERIAL_CONSOLE is not set
>   CONFIG_DEBUG_UART_SHIFT=2
>   CONFIG_SYS_NS16550_MEM32=y
>   CONFIG_SYSRESET=y


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