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326e6b7a3b
Add a minimal generic RK3328 board that only have eMMC, SDMMC, SPI flash and USB OTG enabled. This defconfig can be used to boot from eMMC, SD-card or SPI flash on most RK3328 boards that follow reference board design. Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Christopher Obbard <christopher.obbard@linaro.org> Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
77 lines
1.1 KiB
Plaintext
77 lines
1.1 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Minimal generic DT for RK3328 with eMMC, SD-card, SPI flash and USB OTG enabled
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*/
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/dts-v1/;
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#include "rk3328.dtsi"
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/ {
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model = "Generic RK3328";
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compatible = "rockchip,rk3328";
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aliases {
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mmc0 = &emmc;
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mmc1 = &sdmmc;
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};
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chosen {
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stdout-path = "serial2:1500000n8";
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};
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};
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&emmc {
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bus-width = <8>;
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cap-mmc-highspeed;
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mmc-ddr-1_8v;
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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_clk &emmc_cmd &emmc_bus8>;
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status = "okay";
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};
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&sdmmc0m1_pin {
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rockchip,pins = <0 RK_PD6 RK_FUNC_GPIO &pcfg_pull_down_4ma>;
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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 = <&sdmmc0_clk &sdmmc0_cmd &sdmmc0_dectn &sdmmc0_bus4 &sdmmc0m1_pin>;
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status = "okay";
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};
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&spi0 {
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status = "okay";
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flash@0 {
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compatible = "jedec,spi-nor";
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reg = <0>;
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spi-max-frequency = <25000000>;
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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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&u2phy_otg {
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status = "okay";
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};
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&uart2 {
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status = "okay";
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};
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&usb20_otg {
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dr_mode = "peripheral";
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status = "okay";
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};
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