[U-Boot] [PATCH] rockchip: rk3399: Add Libre Computer Board ROC-RK3399-PC
Kever Yang
kever.yang at rock-chips.com
Sat Oct 12 03:40:56 UTC 2019
Jagan,
On 2019/9/19 下午2:02, Jagan Teki wrote:
> Add initial support for Libre Computer Board ROC-RK3399-PC.
>
> Specification
> - Rockchip RK3399
> - 4GB LPDDR4 dual-channel 64-bit RAM
> - SD card slot
> - eMMC socket
> - 16M Byte SPI Flash
> - Gigabit ethernet
> - PCIe 4X slot
> - WiFI/BT module socket
> - HDMI Out, DP, MIPI DSI/CSI, eDP
> - USB 2.0 Hostx3 Type-Cx2
> - USB Type C power
> - M-Key to expand SSD
>
> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> ---
> Note: Linux need to merge this dts, so please wait so-that
> I will send v2 with sync commit.
Are you going to update v2 for this patch?
Thanks,
- Kever
>
> arch/arm/dts/Makefile | 1 +
> ...rk3399-libretech-roc-rk3399-pc-u-boot.dtsi | 7 +
> .../dts/rk3399-libretech-roc-rk3399-pc.dts | 680 ++++++++++++++++++
> arch/arm/dts/rk3399-roc-pc.dts | 2 +
> board/rockchip/evb_rk3399/MAINTAINERS | 6 +
> configs/libretech-rock-rk3399-pc_defconfig | 45 ++
> 6 files changed, 741 insertions(+)
> create mode 100644 arch/arm/dts/rk3399-libretech-roc-rk3399-pc-u-boot.dtsi
> create mode 100644 arch/arm/dts/rk3399-libretech-roc-rk3399-pc.dts
> create mode 100644 configs/libretech-rock-rk3399-pc_defconfig
>
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index 62da168ef8..0aff6918dd 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -111,6 +111,7 @@ dtb-$(CONFIG_ROCKCHIP_RK3399) += \
> rk3399-khadas-edge.dtb \
> rk3399-khadas-edge-captain.dtb \
> rk3399-khadas-edge-v.dtb \
> + rk3399-libretech-roc-rk3399-pc.dtb \
> rk3399-nanopc-t4.dtb \
> rk3399-nanopi-m4.dtb \
> rk3399-nanopi-neo4.dtb \
> diff --git a/arch/arm/dts/rk3399-libretech-roc-rk3399-pc-u-boot.dtsi b/arch/arm/dts/rk3399-libretech-roc-rk3399-pc-u-boot.dtsi
> new file mode 100644
> index 0000000000..dbfa4ba9f8
> --- /dev/null
> +++ b/arch/arm/dts/rk3399-libretech-roc-rk3399-pc-u-boot.dtsi
> @@ -0,0 +1,7 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright (C) 2019 Jagan Teki <jagan at amarulasolutions.com>
> + */
> +
> +#include "rk3399-u-boot.dtsi"
> +#include "rk3399-sdram-lpddr4-100.dtsi"
> diff --git a/arch/arm/dts/rk3399-libretech-roc-rk3399-pc.dts b/arch/arm/dts/rk3399-libretech-roc-rk3399-pc.dts
> new file mode 100644
> index 0000000000..fecbd362a4
> --- /dev/null
> +++ b/arch/arm/dts/rk3399-libretech-roc-rk3399-pc.dts
> @@ -0,0 +1,680 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2017 T-Chip Intelligent Technology Co., Ltd
> + */
> +
> +/dts-v1/;
> +#include <dt-bindings/pwm/pwm.h>
> +#include "rk3399.dtsi"
> +#include "rk3399-opp.dtsi"
> +
> +/ {
> + model = "Libre Computer Board ROC-RK3399-PC";
> + compatible = "libretech,roc-rk3399-pc", "firefly,roc-rk3399-pc", "rockchip,rk3399";
> +
> + chosen {
> + stdout-path = "serial2:1500000n8";
> + };
> +
> + backlight: backlight {
> + compatible = "pwm-backlight";
> + pwms = <&pwm0 0 25000 0>;
> + };
> +
> + clkin_gmac: external-gmac-clock {
> + compatible = "fixed-clock";
> + clock-frequency = <125000000>;
> + clock-output-names = "clkin_gmac";
> + #clock-cells = <0>;
> + };
> +
> + sdio_pwrseq: sdio-pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + clocks = <&rk808 1>;
> + 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)
> + */
> + reset-gpios = <&gpio0 RK_PB2 GPIO_ACTIVE_LOW>;
> + };
> +
> + vcc_vbus_typec0: vcc-vbus-typec0 {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_vbus_typec0";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + };
> +
> + /*
> + * should be placed inside mp8859, but not until mp8859 has
> + * its own dt-binding.
> + */
> + dc_12v: mp8859-dcdc1 {
> + compatible = "regulator-fixed";
> + regulator-name = "dc_12v";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <12000000>;
> + regulator-max-microvolt = <12000000>;
> + vin-supply = <&vcc_vbus_typec0>;
> + };
> +
> + /* switched by pmic_sleep */
> + vcc1v8_s3: vcca1v8_s3: vcc1v8-s3 {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc1v8_s3";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + vin-supply = <&vcc_1v8>;
> + };
> +
> + vcc3v3_sys: vcc3v3-sys {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc3v3_sys";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + vin-supply = <&dc_12v>;
> + };
> +
> + /* Actually 3 regulators (host0, 1, 2) controlled by the same gpio */
> + vcc5v0_host: vcc5v0-host-regulator {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpio = <&gpio1 RK_PA0 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&vcc5v0_host_en &hub_rst>;
> + regulator-name = "vcc5v0_host";
> + regulator-always-on;
> + vin-supply = <&vcc_sys>;
> + };
> +
> + vcc_vbus_typec1: vcc-vbus-typec1 {
> + compatible = "regulator-fixed";
> + enable-active-high;
> + gpio = <&gpio1 RK_PB5 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&vcc_vbus_typec1_en>;
> + regulator-name = "vcc_vbus_typec1";
> + regulator-always-on;
> + vin-supply = <&vcc_sys>;
> + };
> +
> + vcc_sys: vcc-sys {
> + compatible = "regulator-fixed";
> + regulator-name = "vcc_sys";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <5000000>;
> + regulator-max-microvolt = <5000000>;
> + vin-supply = <&dc_12v>;
> + };
> +
> + vdd_log: vdd-log {
> + compatible = "pwm-regulator";
> + pwms = <&pwm2 0 25000 1>;
> + regulator-name = "vdd_log";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <800000>;
> + regulator-max-microvolt = <1400000>;
> + vin-supply = <&vcc3v3_sys>;
> + };
> +};
> +
> +&cpu_l0 {
> + cpu-supply = <&vdd_cpu_l>;
> +};
> +
> +&cpu_l1 {
> + cpu-supply = <&vdd_cpu_l>;
> +};
> +
> +&cpu_l2 {
> + cpu-supply = <&vdd_cpu_l>;
> +};
> +
> +&cpu_l3 {
> + cpu-supply = <&vdd_cpu_l>;
> +};
> +
> +&cpu_b0 {
> + cpu-supply = <&vdd_cpu_b>;
> +};
> +
> +&cpu_b1 {
> + cpu-supply = <&vdd_cpu_b>;
> +};
> +
> +&emmc_phy {
> + status = "okay";
> +};
> +
> +&gmac {
> + assigned-clocks = <&cru SCLK_RMII_SRC>;
> + assigned-clock-parents = <&clkin_gmac>;
> + clock_in_out = "input";
> + phy-supply = <&vcc_lan>;
> + phy-mode = "rgmii";
> + pinctrl-names = "default";
> + pinctrl-0 = <&rgmii_pins>;
> + snps,reset-gpio = <&gpio3 RK_PB7 GPIO_ACTIVE_LOW>;
> + snps,reset-active-low;
> + snps,reset-delays-us = <0 10000 50000>;
> + tx_delay = <0x28>;
> + rx_delay = <0x11>;
> + status = "okay";
> +};
> +
> +&hdmi {
> + ddc-i2c-bus = <&i2c3>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&hdmi_cec>;
> + status = "okay";
> +};
> +
> +&i2c0 {
> + clock-frequency = <400000>;
> + i2c-scl-rising-time-ns = <168>;
> + i2c-scl-falling-time-ns = <4>;
> + status = "okay";
> +
> + rk808: pmic at 1b {
> + compatible = "rockchip,rk808";
> + reg = <0x1b>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
> + #clock-cells = <1>;
> + clock-output-names = "xin32k", "rk808-clkout2";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pmic_int_l>;
> + rockchip,system-power-controller;
> + wakeup-source;
> +
> + vcc1-supply = <&vcc3v3_sys>;
> + vcc2-supply = <&vcc3v3_sys>;
> + vcc3-supply = <&vcc3v3_sys>;
> + vcc4-supply = <&vcc3v3_sys>;
> + vcc6-supply = <&vcc3v3_sys>;
> + vcc7-supply = <&vcc3v3_sys>;
> + vcc8-supply = <&vcc3v3_sys>;
> + vcc9-supply = <&vcc3v3_sys>;
> + vcc10-supply = <&vcc3v3_sys>;
> + vcc11-supply = <&vcc3v3_sys>;
> + vcc12-supply = <&vcc3v3_sys>;
> + vddio-supply = <&vcc1v8_pmu>;
> +
> + regulators {
> + vdd_center: DCDC_REG1 {
> + regulator-name = "vdd_center";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <750000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-ramp-delay = <6001>;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd_cpu_l: DCDC_REG2 {
> + regulator-name = "vdd_cpu_l";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <750000>;
> + regulator-max-microvolt = <1350000>;
> + regulator-ramp-delay = <6001>;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc_ddr: DCDC_REG3 {
> + regulator-name = "vcc_ddr";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + };
> + };
> +
> + vcc_1v8: DCDC_REG4 {
> + regulator-name = "vcc_1v8";
> + 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>;
> + };
> + };
> +
> + vcca1v8_codec: LDO_REG1 {
> + regulator-name = "vcca1v8_codec";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc1v8_hdmi: LDO_REG2 {
> + regulator-name = "vcc1v8_hdmi";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc1v8_pmu: LDO_REG3 {
> + regulator-name = "vcc1v8_pmu";
> + 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>;
> + };
> + };
> +
> + vcc_sdio: LDO_REG4 {
> + regulator-name = "vcc_sdio";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <3000000>;
> + };
> + };
> +
> + vcca3v0_codec: LDO_REG5 {
> + regulator-name = "vcca3v0_codec";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc_1v5: LDO_REG6 {
> + regulator-name = "vcc_1v5";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <1500000>;
> + regulator-max-microvolt = <1500000>;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <1500000>;
> + };
> + };
> +
> + vcca0v9_hdmi: LDO_REG7 {
> + regulator-name = "vcca0v9_hdmi";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <900000>;
> + regulator-max-microvolt = <900000>;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc_3v0: LDO_REG8 {
> + regulator-name = "vcc_3v0";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-min-microvolt = <3000000>;
> + regulator-max-microvolt = <3000000>;
> + regulator-state-mem {
> + regulator-on-in-suspend;
> + regulator-suspend-microvolt = <3000000>;
> + };
> + };
> +
> + vcc3v3_s3: vcc_lan: SWITCH_REG1 {
> + regulator-name = "vcc3v3_s3";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vcc3v3_s0: SWITCH_REG2 {
> + regulator-name = "vcc3v3_s0";
> + regulator-always-on;
> + regulator-boot-on;
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> + };
> + };
> +
> + vdd_cpu_b: regulator at 40 {
> + compatible = "silergy,syr827";
> + reg = <0x40>;
> + fcs,suspend-voltage-selector = <1>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&vsel1_gpio>;
> + regulator-name = "vdd_cpu_b";
> + regulator-min-microvolt = <712500>;
> + regulator-max-microvolt = <1500000>;
> + regulator-ramp-delay = <1000>;
> + regulator-always-on;
> + regulator-boot-on;
> + vin-supply = <&vcc3v3_sys>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +
> + vdd_gpu: regulator at 41 {
> + compatible = "silergy,syr828";
> + reg = <0x41>;
> + fcs,suspend-voltage-selector = <1>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&vsel2_gpio>;
> + regulator-name = "vdd_gpu";
> + regulator-min-microvolt = <712500>;
> + regulator-max-microvolt = <1500000>;
> + regulator-ramp-delay = <1000>;
> + regulator-always-on;
> + regulator-boot-on;
> + vin-supply = <&vcc3v3_sys>;
> +
> + regulator-state-mem {
> + regulator-off-in-suspend;
> + };
> + };
> +};
> +
> +&i2c1 {
> + i2c-scl-rising-time-ns = <300>;
> + i2c-scl-falling-time-ns = <15>;
> + status = "okay";
> +};
> +
> +&i2c3 {
> + i2c-scl-rising-time-ns = <450>;
> + i2c-scl-falling-time-ns = <15>;
> + status = "okay";
> +};
> +
> +&i2c4 {
> + i2c-scl-rising-time-ns = <600>;
> + i2c-scl-falling-time-ns = <20>;
> + status = "okay";
> +
> + fusb1: usb-typec at 22 {
> + compatible = "fcs,fusb302";
> + reg = <0x22>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <1 IRQ_TYPE_LEVEL_LOW>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&fusb1_int>;
> + vbus-supply = <&vcc_vbus_typec1>;
> + status = "okay";
> + };
> +};
> +
> +&i2c7 {
> + i2c-scl-rising-time-ns = <600>;
> + i2c-scl-falling-time-ns = <20>;
> + status = "okay";
> +
> + fusb0: usb-typec at 22 {
> + compatible = "fcs,fusb302";
> + reg = <0x22>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&fusb0_int>;
> + vbus-supply = <&vcc_vbus_typec0>;
> + status = "okay";
> + };
> +};
> +
> +&i2s0 {
> + rockchip,playback-channels = <8>;
> + rockchip,capture-channels = <8>;
> + status = "okay";
> +};
> +
> +&i2s1 {
> + rockchip,playback-channels = <2>;
> + rockchip,capture-channels = <2>;
> + status = "okay";
> +};
> +
> +&i2s2 {
> + status = "okay";
> +};
> +
> +&io_domains {
> + audio-supply = <&vcca1v8_codec>;
> + bt656-supply = <&vcc_3v0>;
> + gpio1830-supply = <&vcc_3v0>;
> + sdmmc-supply = <&vcc_sdio>;
> + status = "okay";
> +};
> +
> +&pmu_io_domains {
> + pmu1830-supply = <&vcc_3v0>;
> + status = "okay";
> +};
> +
> +&pinctrl {
> + lcd-panel {
> + lcd_panel_reset: lcd-panel-reset {
> + rockchip,pins = <4 RK_PD6 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + pmic {
> + vsel1_gpio: vsel1-gpio {
> + rockchip,pins = <1 RK_PC2 RK_FUNC_GPIO &pcfg_pull_down>;
> + };
> +
> + vsel2_gpio: vsel2-gpio {
> + rockchip,pins = <1 RK_PB6 RK_FUNC_GPIO &pcfg_pull_down>;
> + };
> + };
> +
> + sdio-pwrseq {
> + wifi_enable_h: wifi-enable-h {
> + rockchip,pins = <0 RK_PB2 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + pmic {
> + pmic_int_l: pmic-int-l {
> + rockchip,pins = <1 RK_PC5 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +
> + usb2 {
> + vcc5v0_host_en: vcc5v0-host-en {
> + rockchip,pins = <1 RK_PA0 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> +
> + hub_rst: hub-rst {
> + rockchip,pins = <2 RK_PA4 RK_FUNC_GPIO &pcfg_output_high>;
> + };
> + };
> +
> + usb-typec {
> + vcc_vbus_typec1_en: vcc-vbus-typec1-en {
> + rockchip,pins = <1 RK_PB5 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> + fusb30x {
> + fusb0_int: fusb0-int {
> + rockchip,pins = <1 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> +
> + fusb1_int: fusb1-int {
> + rockchip,pins = <1 RK_PA1 RK_FUNC_GPIO &pcfg_pull_up>;
> + };
> + };
> +};
> +
> +&pwm0 {
> + status = "okay";
> +};
> +
> +&pwm2 {
> + status = "okay";
> +};
> +
> +&saradc {
> + vref-supply = <&vcca1v8_s3>;
> + status = "okay";
> +};
> +
> +&sdmmc {
> + bus-width = <4>;
> + cap-mmc-highspeed;
> + cap-sd-highspeed;
> + cd-gpios = <&gpio0 RK_PA7 GPIO_ACTIVE_LOW>;
> + disable-wp;
> + max-frequency = <150000000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&sdmmc_clk &sdmmc_cmd &sdmmc_bus4>;
> + status = "okay";
> +};
> +
> +&sdhci {
> + bus-width = <8>;
> + mmc-hs400-1_8v;
> + mmc-hs400-enhanced-strobe;
> + non-removable;
> + status = "okay";
> +};
> +
> +&tcphy0 {
> + status = "okay";
> +};
> +
> +&tcphy1 {
> + status = "okay";
> +};
> +
> +&tsadc {
> + /* tshut mode 0:CRU 1:GPIO */
> + rockchip,hw-tshut-mode = <1>;
> + /* tshut polarity 0:LOW 1:HIGH */
> + rockchip,hw-tshut-polarity = <1>;
> + status = "okay";
> +};
> +
> +&u2phy0 {
> + status = "okay";
> +
> + u2phy0_otg: otg-port {
> + phy-supply = <&vcc_vbus_typec0>;
> + status = "okay";
> + };
> +
> + u2phy0_host: host-port {
> + phy-supply = <&vcc5v0_host>;
> + status = "okay";
> + };
> +};
> +
> +&u2phy1 {
> + status = "okay";
> +
> + u2phy1_otg: otg-port {
> + phy-supply = <&vcc_vbus_typec1>;
> + status = "okay";
> + };
> +
> + u2phy1_host: host-port {
> + phy-supply = <&vcc5v0_host>;
> + status = "okay";
> + };
> +};
> +
> +&uart0 {
> + pinctrl-names = "default";
> + pinctrl-0 = <&uart0_xfer &uart0_cts>;
> + status = "okay";
> +};
> +
> +&uart2 {
> + status = "okay";
> +};
> +
> +&usb_host0_ehci {
> + status = "okay";
> +};
> +
> +&usb_host0_ohci {
> + status = "okay";
> +};
> +
> +&usb_host1_ehci {
> + status = "okay";
> +};
> +
> +&usb_host1_ohci {
> + status = "okay";
> +};
> +
> +&usbdrd3_0 {
> + status = "okay";
> +};
> +
> +&usbdrd_dwc3_0 {
> + status = "okay";
> +};
> +
> +&usbdrd3_1 {
> + status = "okay";
> +};
> +
> +&usbdrd_dwc3_1 {
> + status = "okay";
> + dr_mode = "host";
> +};
> +
> +&vopb {
> + status = "okay";
> +};
> +
> +&vopb_mmu {
> + status = "okay";
> +};
> +
> +&vopl {
> + status = "okay";
> +};
> +
> +&vopl_mmu {
> + status = "okay";
> +};
> diff --git a/arch/arm/dts/rk3399-roc-pc.dts b/arch/arm/dts/rk3399-roc-pc.dts
> index 19f7732d72..c53f3d5716 100644
> --- a/arch/arm/dts/rk3399-roc-pc.dts
> +++ b/arch/arm/dts/rk3399-roc-pc.dts
> @@ -548,6 +548,8 @@
> };
>
> &pwm2 {
> + pinctrl-names = "active";
> + pinctrl-0 = <&pwm2_pin_pull_down>;
> status = "okay";
> };
>
> diff --git a/board/rockchip/evb_rk3399/MAINTAINERS b/board/rockchip/evb_rk3399/MAINTAINERS
> index f8299d9460..16ed0d3e3d 100644
> --- a/board/rockchip/evb_rk3399/MAINTAINERS
> +++ b/board/rockchip/evb_rk3399/MAINTAINERS
> @@ -24,6 +24,12 @@ S: Maintained
> F: configs/khadas-edge-v-rk3399_defconfig
> F: arch/arm/dts/rk3399-khadas-edge-v-u-boot.dtsi
>
> +LIBRETECH ROC-RK3399-PC
> +M: Jagan Teki <jagan at amarulasolutions.com>
> +S: Maintained
> +F: configs/libretech-rock-rk3399-pc_defconfig
> +F: arch/arm/dts/rk3399-libretech-roc-rk3399-pc-u-boot.dtsi
> +
> NANOPC-T4
> M: Jagan Teki <jagan at amarulasolutions.com>
> S: Maintained
> diff --git a/configs/libretech-rock-rk3399-pc_defconfig b/configs/libretech-rock-rk3399-pc_defconfig
> new file mode 100644
> index 0000000000..78a1209bee
> --- /dev/null
> +++ b/configs/libretech-rock-rk3399-pc_defconfig
> @@ -0,0 +1,45 @@
> +CONFIG_ARM=y
> +CONFIG_ARCH_ROCKCHIP=y
> +CONFIG_SYS_TEXT_BASE=0x00200000
> +CONFIG_ROCKCHIP_RK3399=y
> +CONFIG_ROCKCHIP_SPL_RESERVE_IRAM=0x50000
> +CONFIG_NR_DRAM_BANKS=1
> +CONFIG_SPL_STACK_R_ADDR=0x80000
> +CONFIG_DEBUG_UART_BASE=0xFF1A0000
> +CONFIG_DEBUG_UART_CLOCK=24000000
> +CONFIG_DEBUG_UART=y
> +CONFIG_DEFAULT_FDT_FILE="rockchip/rk3399-libretech-roc-rk3399-pc.dtb"
> +# CONFIG_DISPLAY_CPUINFO is not set
> +CONFIG_DISPLAY_BOARDINFO_LATE=y
> +# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
> +CONFIG_SPL_STACK_R=y
> +CONFIG_SPL_STACK_R_MALLOC_SIMPLE_LEN=0x10000
> +CONFIG_TPL=y
> +CONFIG_CMD_BOOTZ=y
> +CONFIG_CMD_GPT=y
> +CONFIG_CMD_MMC=y
> +# CONFIG_CMD_SETEXPR is not set
> +CONFIG_CMD_TIME=y
> +CONFIG_SPL_OF_CONTROL=y
> +CONFIG_DEFAULT_DEVICE_TREE="rk3399-libretech-roc-rk3399-pc"
> +CONFIG_OF_SPL_REMOVE_PROPS="pinctrl-0 pinctrl-names clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
> +CONFIG_ENV_IS_IN_MMC=y
> +CONFIG_ROCKCHIP_GPIO=y
> +CONFIG_SYS_I2C_ROCKCHIP=y
> +CONFIG_MMC_DW=y
> +CONFIG_MMC_DW_ROCKCHIP=y
> +CONFIG_MMC_SDHCI=y
> +CONFIG_MMC_SDHCI_ROCKCHIP=y
> +CONFIG_DM_ETH=y
> +CONFIG_ETH_DESIGNWARE=y
> +CONFIG_GMAC_ROCKCHIP=y
> +CONFIG_PMIC_RK8XX=y
> +CONFIG_REGULATOR_PWM=y
> +CONFIG_REGULATOR_RK8XX=y
> +CONFIG_PWM_ROCKCHIP=y
> +CONFIG_RAM_RK3399_LPDDR4=y
> +CONFIG_BAUDRATE=1500000
> +CONFIG_DEBUG_UART_SHIFT=2
> +CONFIG_SYSRESET=y
> +CONFIG_SPL_TINY_MEMSET=y
> +CONFIG_ERRNO_STR=y
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