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https://github.com/coolsnowwolf/lede.git
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200 lines
4.9 KiB
Diff
200 lines
4.9 KiB
Diff
From 66014f06f4b1d0c39e79fdd45201962913ec27a2 Mon Sep 17 00:00:00 2001
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From: Jonas Karlman <jonas@kwiboo.se>
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Date: Thu, 23 Jan 2025 22:48:25 +0000
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Subject: [PATCH 4/4] board: rockchip: Add Radxa E20C
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The Radxa E20C is an ultra-compact network computer with a RK3528A SoC
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that offers a wide range of networking capabilities.
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Features tested on a Radxa E20C v1.104:
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- SD-card boot
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- eMMC boot
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- Ethernet
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- USB host
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Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
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---
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arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi | 93 ++++++++++++++++++++++
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arch/arm/mach-rockchip/rk3528/MAINTAINERS | 6 ++
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configs/radxa-e20c-rk3528_defconfig | 54 +++++++++++++
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doc/board/rockchip/rockchip.rst | 1 +
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4 files changed, 154 insertions(+)
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create mode 100644 arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi
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create mode 100644 configs/radxa-e20c-rk3528_defconfig
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--- /dev/null
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+++ b/arch/arm/dts/rk3528-radxa-e20c-u-boot.dtsi
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@@ -0,0 +1,93 @@
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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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+
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+#include "rk3528-u-boot.dtsi"
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+
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+/ {
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+ aliases {
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+ ethernet0 = &gmac1;
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+ };
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+
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+ vcc_1v8: regulator-1v8 {
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+ compatible = "regulator-fixed";
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+ regulator-name = "vcc_1v8";
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+ regulator-always-on;
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+ regulator-boot-on;
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+ regulator-min-microvolt = <1800000>;
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+ regulator-max-microvolt = <1800000>;
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+ };
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+
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+ vcc5v0_usb20: regulator-5v0-usb20 {
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+ compatible = "regulator-fixed";
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+ enable-active-high;
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+ gpios = <&gpio0 RK_PA1 GPIO_ACTIVE_HIGH>;
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+ regulator-name = "vcc5v0_usb20";
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+ regulator-max-microvolt = <5000000>;
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+ regulator-min-microvolt = <5000000>;
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+ };
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+};
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+
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+&gmac1 {
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+ clock_in_out = "output";
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+ phy-handle = <&rgmii_phy>;
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+ phy-mode = "rgmii-id";
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&rgmii_miim>, <&rgmii_tx_bus2>, <&rgmii_rx_bus2>,
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+ <&rgmii_rgmii_clk>, <&rgmii_rgmii_bus>;
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+ status = "okay";
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+};
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+
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+&mdio1 {
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+ rgmii_phy: ethernet-phy@1 {
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+ compatible = "ethernet-phy-ieee802.3-c22";
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+ reg = <0x1>;
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+ reset-assert-us = <20000>;
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+ reset-deassert-us = <100000>;
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+ reset-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>;
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+ };
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+};
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+
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+&saradc {
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+ vref-supply = <&vcc_1v8>;
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+ status = "okay";
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+};
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+
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+&sdhci {
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+ bus-width = <8>;
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+ cap-mmc-highspeed;
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+ mmc-hs200-1_8v;
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+ no-sd;
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+ no-sdio;
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+ non-removable;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&emmc_bus8>, <&emmc_clk>, <&emmc_cmd>, <&emmc_strb>;
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+ status = "okay";
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+};
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+
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+&sdmmc {
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+ bus-width = <4>;
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+ cap-sd-highspeed;
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+ disable-wp;
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+ no-mmc;
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+ no-sdio;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&sdmmc_bus4>, <&sdmmc_clk>, <&sdmmc_cmd>, <&sdmmc_det>;
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+ status = "okay";
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+};
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+
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+&u2phy {
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+ status = "okay";
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+};
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+
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+&u2phy_host {
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+ phy-supply = <&vcc5v0_usb20>;
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+ status = "okay";
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+};
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+
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+&uart0 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&uart0m0_xfer>;
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+};
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+
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+&usb_host0_ehci {
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+ status = "okay";
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+};
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--- a/arch/arm/mach-rockchip/rk3528/MAINTAINERS
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+++ b/arch/arm/mach-rockchip/rk3528/MAINTAINERS
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@@ -3,3 +3,9 @@ M: Jonas Karlman <jonas@kwiboo.se>
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S: Maintained
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F: arch/arm/dts/rk3528-generic*
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F: configs/generic-rk3528_defconfig
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+
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+RADXA-E20C
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+M: Jonas Karlman <jonas@kwiboo.se>
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+S: Maintained
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+F: arch/arm/dts/rk3528-radxa-e20c*
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+F: configs/radxa-e20c-rk3528_defconfig
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--- /dev/null
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+++ b/configs/radxa-e20c-rk3528_defconfig
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@@ -0,0 +1,54 @@
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+CONFIG_ARM=y
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+CONFIG_SKIP_LOWLEVEL_INIT=y
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+CONFIG_COUNTER_FREQUENCY=24000000
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+CONFIG_ARCH_ROCKCHIP=y
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+CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3528-radxa-e20c"
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+CONFIG_ROCKCHIP_RK3528=y
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+CONFIG_SYS_LOAD_ADDR=0xc00800
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+CONFIG_DEBUG_UART_BASE=0xFF9F0000
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+CONFIG_DEBUG_UART_CLOCK=24000000
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+CONFIG_DEBUG_UART=y
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+CONFIG_DEFAULT_FDT_FILE="rockchip/rk3528-radxa-e20c.dtb"
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+# CONFIG_DISPLAY_CPUINFO is not set
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+CONFIG_SPL_MAX_SIZE=0x40000
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+CONFIG_SPL_PAD_TO=0x7f8000
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+# CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
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+CONFIG_CMD_MEMINFO=y
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+CONFIG_CMD_MEMINFO_MAP=y
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+CONFIG_CMD_ADC=y
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+CONFIG_CMD_GPIO=y
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+CONFIG_CMD_GPT=y
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+CONFIG_CMD_MISC=y
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+CONFIG_CMD_MMC=y
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+CONFIG_CMD_USB=y
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+# CONFIG_CMD_SETEXPR is not set
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+CONFIG_CMD_RNG=y
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+CONFIG_CMD_REGULATOR=y
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+# CONFIG_SPL_DOS_PARTITION is not set
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+CONFIG_OF_SPL_REMOVE_PROPS="clock-names interrupt-parent assigned-clocks assigned-clock-rates assigned-clock-parents"
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+CONFIG_BUTTON=y
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+CONFIG_BUTTON_ADC=y
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+CONFIG_BUTTON_GPIO=y
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+CONFIG_ROCKCHIP_GPIO=y
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+CONFIG_LED=y
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+CONFIG_LED_GPIO=y
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+CONFIG_SUPPORT_EMMC_RPMB=y
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+CONFIG_MMC_DW=y
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+CONFIG_MMC_DW_ROCKCHIP=y
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+CONFIG_MMC_SDHCI=y
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+CONFIG_MMC_SDHCI_SDMA=y
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+CONFIG_MMC_SDHCI_ROCKCHIP=y
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+CONFIG_PHY_MOTORCOMM=y
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+CONFIG_PHY_REALTEK=y
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+CONFIG_DM_MDIO=y
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+CONFIG_DWC_ETH_QOS=y
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+CONFIG_DWC_ETH_QOS_ROCKCHIP=y
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+CONFIG_PHY_ROCKCHIP_INNO_USB2=y
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+CONFIG_BAUDRATE=1500000
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+CONFIG_DEBUG_UART_SHIFT=2
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+CONFIG_SYS_NS16550_MEM32=y
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+CONFIG_SYSRESET_PSCI=y
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+CONFIG_USB=y
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+CONFIG_USB_EHCI_HCD=y
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+CONFIG_USB_EHCI_GENERIC=y
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+CONFIG_ERRNO_STR=y
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--- a/doc/board/rockchip/rockchip.rst
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+++ b/doc/board/rockchip/rockchip.rst
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@@ -99,6 +99,7 @@ List of mainline supported Rockchip boar
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* rk3528
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- Generic RK3528 (generic-rk3528)
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+ - Radxa E20C (radxa-e20c-rk3528)
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* rk3566
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- Anbernic RGxx3 (anbernic-rgxx3-rk3566)
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