[PATCH 5/5] arm64: dts: meson: add libretech-pc support

Jerome Brunet jbrunet at baylibre.com
Thu Dec 19 19:36:20 CET 2019


Add support for the Amlogic based libretech-pc platform.
This platform comes with 2 variant, based on the s905d or s912 SoC.

Signed-off-by: Jerome Brunet <jbrunet at baylibre.com>
---
 arch/arm/dts/Makefile                         |   2 +
 arch/arm/dts/meson-gx-libretech-pc.dtsi       | 376 ++++++++++++++++++
 .../meson-gxl-s905d-libretech-pc-u-boot.dtsi  |   7 +
 arch/arm/dts/meson-gxl-s905d-libretech-pc.dts |  17 +
 arch/arm/dts/meson-gxl-s905d.dtsi             |  12 +
 arch/arm/dts/meson-gxl.dtsi                   |  35 +-
 .../meson-gxm-s912-libretech-pc-u-boot.dtsi   |   7 +
 arch/arm/dts/meson-gxm-s912-libretech-pc.dts  |  62 +++
 configs/libretech-s905d-pc_defconfig          |  73 ++++
 configs/libretech-s912-pc_defconfig           |  73 ++++
 10 files changed, 654 insertions(+), 10 deletions(-)
 create mode 100644 arch/arm/dts/meson-gx-libretech-pc.dtsi
 create mode 100644 arch/arm/dts/meson-gxl-s905d-libretech-pc-u-boot.dtsi
 create mode 100644 arch/arm/dts/meson-gxl-s905d-libretech-pc.dts
 create mode 100644 arch/arm/dts/meson-gxl-s905d.dtsi
 create mode 100644 arch/arm/dts/meson-gxm-s912-libretech-pc-u-boot.dtsi
 create mode 100644 arch/arm/dts/meson-gxm-s912-libretech-pc.dts
 create mode 100644 configs/libretech-s905d-pc_defconfig
 create mode 100644 configs/libretech-s912-pc_defconfig

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 3dc9c4d41c8d..fca0834aa7c6 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -146,7 +146,9 @@ dtb-$(CONFIG_ARCH_MESON) += \
 	meson-gxl-s805x-libretech-ac.dtb \
 	meson-gxl-s905x-libretech-cc.dtb \
 	meson-gxl-s905x-khadas-vim.dtb \
+	meson-gxl-s905d-libretech-pc.dtb \
 	meson-gxm-khadas-vim2.dtb \
+	meson-gxm-s912-libretech-pc.dtb \
 	meson-axg-s400.dtb \
 	meson-g12a-u200.dtb \
 	meson-g12a-sei510.dtb \
diff --git a/arch/arm/dts/meson-gx-libretech-pc.dtsi b/arch/arm/dts/meson-gx-libretech-pc.dtsi
new file mode 100644
index 000000000000..2857c3b6b006
--- /dev/null
+++ b/arch/arm/dts/meson-gx-libretech-pc.dtsi
@@ -0,0 +1,376 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 BayLibre SAS.
+ * Author: Jerome Brunet <jbrunet at baylibre.com>
+ */
+
+/* Libretech Amlogic GX PC form factor - AKA: Tartiflette */
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/leds/common.h>
+
+/ {
+	adc-keys {
+		compatible = "adc-keys";
+		io-channels = <&saradc 0>;
+		io-channel-names = "buttons";
+		keyup-threshold-microvolt = <1800000>;
+
+		update-button {
+			label = "update";
+			linux,code = <KEY_VENDOR>;
+			press-threshold-microvolt = <1300000>;
+		};
+	};
+
+	aliases {
+		serial0 = &uart_AO;
+		ethernet0 = ðmac;
+		spi0 = &spifc;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	cvbs-connector {
+		compatible = "composite-video-connector";
+		status = "disabled";
+
+		port {
+			cvbs_connector_in: endpoint {
+				remote-endpoint = <&cvbs_vdac_out>;
+			};
+		};
+	};
+
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
+	};
+
+	hdmi-connector {
+		compatible = "hdmi-connector";
+		type = "a";
+
+		port {
+			hdmi_connector_in: endpoint {
+				remote-endpoint = <&hdmi_tx_tmds_out>;
+			};
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		poll-interval = <100>;
+
+		power-button {
+			label = "power";
+			linux,code = <KEY_POWER>;
+			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	memory at 0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x80000000>;
+	};
+
+	ao_5v: regulator-ao_5v {
+		compatible = "regulator-fixed";
+		regulator-name = "AO_5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&dc_in>;
+		regulator-always-on;
+	};
+
+	dc_in: regulator-dc_in {
+		compatible = "regulator-fixed";
+		regulator-name = "DC_IN";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		green {
+			color = <LED_COLOR_ID_GREEN>;
+			function = LED_FUNCTION_DISK_ACTIVITY;
+			gpios = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "disk-activity";
+		};
+
+		blue {
+			color = <LED_COLOR_ID_BLUE>;
+			function = LED_FUNCTION_STATUS;
+			gpios = <&gpio GPIODV_28 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+			panic-indicator;
+		};
+	};
+
+	vcc_card: regulator-vcc_card {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_CARD";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vddio_ao3v3>;
+
+		gpio = <&gpio GPIODV_4 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+
+	vcc5v: regulator-vcc5v {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&ao_5v>;
+
+		gpio = <&gpio GPIOH_3 GPIO_OPEN_DRAIN>;
+	};
+
+	vddio_ao18: regulator-vddio_ao18 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_AO18";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&ao_5v>;
+		regulator-always-on;
+	};
+
+	vddio_ao3v3: regulator-vddio_ao3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_AO3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&ao_5v>;
+		regulator-always-on;
+	};
+
+	vddio_boot: regulator-vddio_boot {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_BOOT";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vddio_ao3v3>;
+		regulator-always-on;
+	};
+
+	vddio_card: regulator-vddio-card {
+		compatible = "regulator-gpio";
+		regulator-name = "VDDIO_CARD";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+
+		gpios = <&gpio GPIODV_5 GPIO_ACTIVE_HIGH>;
+		gpios-states = <0>;
+
+		states = <3300000 0>,
+			 <1800000 1>;
+
+		regulator-settling-time-up-us = <200>;
+		regulator-settling-time-down-us = <50000>;
+	};
+};
+
+&cec_AO {
+	pinctrl-0 = <&ao_cec_pins>;
+	pinctrl-names = "default";
+	hdmi-phandle = <&hdmi_tx>;
+	status = "okay";
+};
+
+&cvbs_vdac_port {
+	cvbs_vdac_out: endpoint {
+		remote-endpoint = <&cvbs_connector_in>;
+	};
+};
+
+&ethmac {
+	pinctrl-0 = <&eth_pins>, <&eth_phy_irq_pins>;
+	pinctrl-names = "default";
+	phy-handle = <&external_phy>;
+	amlogic,tx-delay-ns = <2>;
+	phy-mode = "rgmii";
+	status = "okay";
+};
+
+&external_mdio {
+	external_phy: ethernet-phy at 0 {
+		reg = <0>;
+		max-speed = <1000>;
+		reset-assert-us = <10000>;
+		reset-deassert-us = <30000>;
+		reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
+		interrupt-parent = <&gpio_intc>;
+		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
+	};
+};
+
+&pinctrl_periphs {
+	/*
+	 * Make sure the reset pin of the usb HUB is driven high to take
+	 * it out of reset.
+	 */
+	usb1_rst_pins: usb1_rst_irq {
+		mux {
+			groups = "GPIODV_3";
+			function = "gpio_periphs";
+			bias-disable;
+			output-high;
+		};
+	};
+
+	/* Make sure the phy irq pin is properly configured as input */
+	eth_phy_irq_pins: eth_phy_irq {
+		mux {
+			groups = "GPIOZ_15";
+			function = "gpio_periphs";
+			bias-disable;
+			output-disable;
+		};
+	};
+};
+
+&hdmi_tx {
+	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
+	pinctrl-names = "default";
+	hdmi-supply = <&vcc5v>;
+	status = "okay";
+};
+
+&hdmi_tx_tmds_port {
+	hdmi_tx_tmds_out: endpoint {
+		remote-endpoint = <&hdmi_connector_in>;
+	};
+};
+
+&ir {
+	pinctrl-0 = <&remote_input_ao_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&i2c_C {
+	pinctrl-0 = <&i2c_c_dv18_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	rtc: rtc at 51 {
+		reg = <0x51>;
+		compatible = "nxp,pcf8563";
+		#clock-cells = <0>;
+		clock-output-names = "rtc_clkout";
+	};
+};
+
+&pwm_AO_ab {
+	pinctrl-0 = <&pwm_ao_a_3_pins>;
+	pinctrl-names = "default";
+	clocks = <&clkc CLKID_FCLK_DIV4>;
+	clock-names = "clkin0";
+	status = "okay";
+};
+
+&pwm_ab {
+	pinctrl-0 = <&pwm_b_pins>;
+	pinctrl-names = "default";
+	clocks = <&clkc CLKID_FCLK_DIV4>;
+	clock-names = "clkin0";
+	status = "okay";
+};
+
+&pwm_ef {
+	pinctrl-0 = <&pwm_e_pins>, <&pwm_f_clk_pins>;
+	pinctrl-names = "default";
+	clocks = <&clkc CLKID_FCLK_DIV4>;
+	clock-names = "clkin0";
+	status = "okay";
+};
+
+&saradc {
+	vref-supply = <&vddio_ao18>;
+	status = "okay";
+};
+
+/* SD card */
+&sd_emmc_b {
+	pinctrl-0 = <&sdcard_pins>;
+	pinctrl-1 = <&sdcard_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <4>;
+	cap-sd-highspeed;
+	sd-uhs-sdr12;
+	sd-uhs-sdr25;
+	sd-uhs-sdr50;
+	sd-uhs-ddr50;
+	max-frequency = <200000000>;
+	disable-wp;
+
+	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
+
+	vmmc-supply = <&vcc_card>;
+	vqmmc-supply = <&vddio_card>;
+
+	status = "okay";
+};
+
+/* eMMC */
+&sd_emmc_c {
+	pinctrl-0 = <&emmc_pins>;
+	pinctrl-1 = <&emmc_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	max-frequency = <200000000>;
+	disable-wp;
+
+	mmc-pwrseq = <&emmc_pwrseq>;
+	vmmc-supply = <&vddio_ao3v3>;
+	vqmmc-supply = <&vddio_boot>;
+
+	status = "okay";
+};
+
+&spifc {
+	pinctrl-0 = <&nor_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	gd25lq128: spi-flash at 0 {
+		compatible = "jedec,spi-nor";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0>;
+		spi-max-frequency = <12000000>;
+	};
+};
+
+&uart_AO {
+	pinctrl-0 = <&uart_ao_a_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+};
+
+&usb2_phy0 {
+	pinctrl-0 = <&usb1_rst_pins>;
+	pinctrl-names = "default";
+	phy-supply = <&vcc5v>;
+};
+
+&usb2_phy1 {
+	phy-supply = <&vcc5v>;
+};
+
diff --git a/arch/arm/dts/meson-gxl-s905d-libretech-pc-u-boot.dtsi b/arch/arm/dts/meson-gxl-s905d-libretech-pc-u-boot.dtsi
new file mode 100644
index 000000000000..c35158d7e9ee
--- /dev/null
+++ b/arch/arm/dts/meson-gxl-s905d-libretech-pc-u-boot.dtsi
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong at baylibre.com>
+ */
+
+#include "meson-gx-u-boot.dtsi"
diff --git a/arch/arm/dts/meson-gxl-s905d-libretech-pc.dts b/arch/arm/dts/meson-gxl-s905d-libretech-pc.dts
new file mode 100644
index 000000000000..269094d8b9b3
--- /dev/null
+++ b/arch/arm/dts/meson-gxl-s905d-libretech-pc.dts
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 BayLibre SAS. All rights reserved.
+ * Author: Jerome Brunet <jbrunet at baylibre.com>
+ */
+
+/dts-v1/;
+
+#include "meson-gxl-s905d.dtsi"
+#include "meson-gx-libretech-pc.dtsi"
+
+/ {
+	compatible = "libretech,aml-s905d-pc", "amlogic,s905d",
+		     "amlogic,meson-gxl";
+	model = "Libre Computer AML-S905D-PC";
+};
+
diff --git a/arch/arm/dts/meson-gxl-s905d.dtsi b/arch/arm/dts/meson-gxl-s905d.dtsi
new file mode 100644
index 000000000000..43321919547a
--- /dev/null
+++ b/arch/arm/dts/meson-gxl-s905d.dtsi
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2016 Endless Computers, Inc.
+ * Author: Carlo Caione <carlo at endlessm.com>
+ */
+
+#include "meson-gxl.dtsi"
+#include "meson-gxl-mali.dtsi"
+
+/ {
+	compatible = "amlogic,s905d", "amlogic,meson-gxl";
+};
diff --git a/arch/arm/dts/meson-gxl.dtsi b/arch/arm/dts/meson-gxl.dtsi
index 4ef11e5381d8..1163a9539cb9 100644
--- a/arch/arm/dts/meson-gxl.dtsi
+++ b/arch/arm/dts/meson-gxl.dtsi
@@ -326,10 +326,15 @@
 		};
 
 		emmc_pins: emmc {
-			mux {
+			mux-0 {
 				groups = "emmc_nand_d07",
-				       "emmc_cmd",
-				       "emmc_clk";
+				       "emmc_cmd";
+				function = "emmc";
+				bias-pull-up;
+			};
+
+			mux-1 {
+				groups = "emmc_clk";
 				function = "emmc";
 				bias-disable;
 			};
@@ -339,7 +344,7 @@
 			mux {
 				groups = "emmc_ds";
 				function = "emmc";
-				bias-disable;
+				bias-pull-down;
 			};
 		};
 
@@ -381,13 +386,18 @@
 		};
 
 		sdcard_pins: sdcard {
-			mux {
+			mux-0 {
 				groups = "sdcard_d0",
 				       "sdcard_d1",
 				       "sdcard_d2",
 				       "sdcard_d3",
-				       "sdcard_cmd",
-				       "sdcard_clk";
+				       "sdcard_cmd";
+				function = "sdcard";
+				bias-pull-up;
+			};
+
+			mux-1 {
+				groups = "sdcard_clk";
 				function = "sdcard";
 				bias-disable;
 			};
@@ -402,13 +412,18 @@
 		};
 
 		sdio_pins: sdio {
-			mux {
+			mux-0 {
 				groups = "sdio_d0",
 				       "sdio_d1",
 				       "sdio_d2",
 				       "sdio_d3",
-				       "sdio_cmd",
-				       "sdio_clk";
+				       "sdio_cmd";
+				function = "sdio";
+				bias-pull-up;
+			};
+
+			mux-1 {
+				groups = "sdio_clk";
 				function = "sdio";
 				bias-disable;
 			};
diff --git a/arch/arm/dts/meson-gxm-s912-libretech-pc-u-boot.dtsi b/arch/arm/dts/meson-gxm-s912-libretech-pc-u-boot.dtsi
new file mode 100644
index 000000000000..c35158d7e9ee
--- /dev/null
+++ b/arch/arm/dts/meson-gxm-s912-libretech-pc-u-boot.dtsi
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2019 BayLibre, SAS.
+ * Author: Neil Armstrong <narmstrong at baylibre.com>
+ */
+
+#include "meson-gx-u-boot.dtsi"
diff --git a/arch/arm/dts/meson-gxm-s912-libretech-pc.dts b/arch/arm/dts/meson-gxm-s912-libretech-pc.dts
new file mode 100644
index 000000000000..444c249863cb
--- /dev/null
+++ b/arch/arm/dts/meson-gxm-s912-libretech-pc.dts
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 BayLibre SAS. All rights reserved.
+ * Author: Jerome Brunet <jbrunet at baylibre.com>
+ */
+
+/dts-v1/;
+
+#include "meson-gxm.dtsi"
+#include "meson-gx-libretech-pc.dtsi"
+
+/ {
+	compatible = "libretech,aml-s912-pc", "amlogic,s912",
+		     "amlogic,meson-gxm";
+	model = "Libre Computer AML-S912-PC";
+
+	typec2_vbus: regulator-typec2_vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "TYPEC2_VBUS";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc5v>;
+
+		gpio = <&gpio GPIODV_1 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+	};
+};
+
+&pinctrl_periphs {
+	/*
+	 * Make sure the irq pin of the TYPE C controller is not driven
+	 * by the SoC.
+	 */
+	fusb302_irq_pins: fusb302_irq {
+		mux {
+			groups = "GPIODV_0";
+			function = "gpio_periphs";
+			bias-pull-up;
+			output-disable;
+		};
+	};
+};
+
+&i2c_C {
+	fusb302 at 22 {
+		compatible = "fcs,fusb302";
+		reg = <0x22>;
+
+		pinctrl-0 = <&fusb302_irq_pins>;
+		pinctrl-names = "default";
+		interrupt-parent = <&gpio_intc>;
+		interrupts = <59 IRQ_TYPE_LEVEL_LOW>;
+
+		vbus-supply = <&typec2_vbus>;
+
+		status = "okay";
+	};
+};
+
+&usb2_phy2 {
+	phy-supply = <&typec2_vbus>;
+};
diff --git a/configs/libretech-s905d-pc_defconfig b/configs/libretech-s905d-pc_defconfig
new file mode 100644
index 000000000000..7e0c95872a62
--- /dev/null
+++ b/configs/libretech-s905d-pc_defconfig
@@ -0,0 +1,73 @@
+CONFIG_ARM=y
+CONFIG_SYS_BOARD="q200"
+CONFIG_ARCH_MESON=y
+CONFIG_SYS_TEXT_BASE=0x01000000
+CONFIG_MESON_GXL=y
+CONFIG_ENV_SIZE=0x10000
+CONFIG_ENV_OFFSET=0xFFFF0000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_DEBUG_UART_BASE=0xc81004c0
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_IDENT_STRING=" libretech-s905d-pc"
+CONFIG_DEBUG_UART=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_USE_PREBOOT=y
+CONFIG_PREBOOT="usb start"
+CONFIG_MISC_INIT_R=y
+# CONFIG_DISPLAY_CPUINFO is not set
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_IMI is not set
+CONFIG_CMD_ADC=y
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SF_TEST=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_REGULATOR=y
+CONFIG_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="meson-gxl-s905d-libretech-pc"
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SARADC_MESON=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_KEYBOARD=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_MESON_GX=y
+CONFIG_MTD=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_PHY_REALTEK=y
+CONFIG_DM_ETH=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_PHY=y
+CONFIG_MESON_GXL_USB_PHY=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_MESON_GXL=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_MESON_GX_VPU_POWER_DOMAIN=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_RESET=y
+CONFIG_DEBUG_UART_MESON=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_DEBUG_UART_SKIP_INIT=y
+CONFIG_MESON_SERIAL=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_MESON_SPIFC=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_XHCI_DWC3_OF_SIMPLE=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_KEYBOARD=y
+CONFIG_DM_VIDEO=y
+CONFIG_SYS_WHITE_ON_BLACK=y
+CONFIG_VIDEO_MESON=y
+CONFIG_VIDEO_DT_SIMPLEFB=y
+CONFIG_OF_LIBFDT_OVERLAY=y
diff --git a/configs/libretech-s912-pc_defconfig b/configs/libretech-s912-pc_defconfig
new file mode 100644
index 000000000000..5f4ee329e276
--- /dev/null
+++ b/configs/libretech-s912-pc_defconfig
@@ -0,0 +1,73 @@
+CONFIG_ARM=y
+CONFIG_SYS_BOARD="q200"
+CONFIG_ARCH_MESON=y
+CONFIG_SYS_TEXT_BASE=0x01000000
+CONFIG_MESON_GXM=y
+CONFIG_ENV_SIZE=0x10000
+CONFIG_ENV_OFFSET=0xFFFF0000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_DEBUG_UART_BASE=0xc81004c0
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_ENV_SECT_SIZE=0x10000
+CONFIG_IDENT_STRING=" libretech-s912-pc"
+CONFIG_DEBUG_UART=y
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_USE_PREBOOT=y
+CONFIG_PREBOOT="usb start"
+CONFIG_MISC_INIT_R=y
+# CONFIG_DISPLAY_CPUINFO is not set
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_IMI is not set
+CONFIG_CMD_ADC=y
+CONFIG_CMD_GPIO=y
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_SF=y
+CONFIG_CMD_SF_TEST=y
+CONFIG_CMD_SPI=y
+CONFIG_CMD_USB=y
+# CONFIG_CMD_SETEXPR is not set
+CONFIG_CMD_REGULATOR=y
+CONFIG_OF_CONTROL=y
+CONFIG_DEFAULT_DEVICE_TREE="meson-gxm-s912-libretech-pc"
+CONFIG_ENV_IS_IN_SPI_FLASH=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SARADC_MESON=y
+CONFIG_DM_GPIO=y
+CONFIG_DM_KEYBOARD=y
+CONFIG_DM_MMC=y
+CONFIG_MMC_MESON_GX=y
+CONFIG_MTD=y
+CONFIG_DM_SPI_FLASH=y
+CONFIG_SPI_FLASH=y
+CONFIG_SPI_FLASH_GIGADEVICE=y
+CONFIG_PHY_REALTEK=y
+CONFIG_DM_ETH=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_PHY=y
+CONFIG_MESON_GXL_USB_PHY=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_MESON_GXL=y
+CONFIG_POWER_DOMAIN=y
+CONFIG_MESON_GX_VPU_POWER_DOMAIN=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_RESET=y
+CONFIG_DEBUG_UART_MESON=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_DEBUG_UART_SKIP_INIT=y
+CONFIG_MESON_SERIAL=y
+CONFIG_SPI=y
+CONFIG_DM_SPI=y
+CONFIG_MESON_SPIFC=y
+CONFIG_USB=y
+CONFIG_DM_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_XHCI_DWC3_OF_SIMPLE=y
+CONFIG_USB_DWC3=y
+CONFIG_USB_KEYBOARD=y
+CONFIG_DM_VIDEO=y
+CONFIG_SYS_WHITE_ON_BLACK=y
+CONFIG_VIDEO_MESON=y
+CONFIG_VIDEO_DT_SIMPLEFB=y
+CONFIG_OF_LIBFDT_OVERLAY=y
-- 
2.23.0



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