board: rockchip: Add minimal generic RK3399 board
Add a minimal generic RK3399 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 RK3399 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>
diff --git a/arch/arm/dts/rk3399-generic-u-boot.dtsi b/arch/arm/dts/rk3399-generic-u-boot.dtsi
new file mode 100644
index 0000000..d977b64
--- /dev/null
+++ b/arch/arm/dts/rk3399-generic-u-boot.dtsi
@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+#include "rk3399-u-boot.dtsi"
+
+&spi1 {
+ flash@0 {
+ bootph-pre-ram;
+ bootph-some-ram;
+ };
+};
diff --git a/arch/arm/dts/rk3399-generic.dts b/arch/arm/dts/rk3399-generic.dts
new file mode 100644
index 0000000..c698f59
--- /dev/null
+++ b/arch/arm/dts/rk3399-generic.dts
@@ -0,0 +1,83 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Minimal generic DT for RK3399 with eMMC, SD-card, SPI flash and USB OTG enabled
+ */
+
+/dts-v1/;
+#include "rk3399.dtsi"
+
+/ {
+ model = "Generic RK3399";
+ compatible = "rockchip,rk3399";
+
+ aliases {
+ mmc0 = &sdhci;
+ mmc1 = &sdmmc;
+ };
+
+ chosen {
+ stdout-path = "serial2:1500000n8";
+ };
+};
+
+&emmc_phy {
+ status = "okay";
+};
+
+&sdhci {
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ max-frequency = <150000000>;
+ mmc-hs200-1_8v;
+ mmc-ddr-1_8v;
+ no-sd;
+ no-sdio;
+ non-removable;
+ status = "okay";
+};
+
+&sdmmc {
+ bus-width = <4>;
+ cap-sd-highspeed;
+ disable-wp;
+ max-frequency = <150000000>;
+ no-mmc;
+ no-sdio;
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdmmc_bus4 &sdmmc_clk &sdmmc_cmd &sdmmc_cd>;
+ status = "okay";
+};
+
+&spi1 {
+ status = "okay";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <25000000>;
+ };
+};
+
+&u2phy0 {
+ status = "okay";
+};
+
+&u2phy0_otg {
+ status = "okay";
+};
+
+&uart2 {
+ status = "okay";
+};
+
+&usbdrd3_0 {
+ status = "okay";
+};
+
+&usbdrd_dwc3_0 {
+ dr_mode = "peripheral";
+ maximum-speed = "high-speed";
+ phys = <&u2phy0_otg>;
+ phy-names = "usb2-phy";
+ status = "okay";
+};