board: rockchip: add Radxa ROCK5B Rk3588 board
ROCK 5B is a Rockchip RK3588 based SBC (Single Board Computer) by Radxa.
There are tree variants depending on the DRAM size : 4G, 8G and 16G.
Specification:
Rockchip Rk3588 SoC
4x ARM Cortex-A76, 4x ARM Cortex-A55
4/8/16GB memory LPDDR4x
Mali G610MC4 GPU
MIPI CSI 2 multiple lanes connector
eMMC module connector
uSD slot (up to 128GB)
2x USB 2.0, 2x USB 3.0
2x HDMI output, 1x HDMI input
Ethernet port
40-pin IO header including UART, SPI, I2C and 5V DC power in
USB PD over USB Type-C
Size: 85mm x 54mm
Kernel commits:
a1d3281450ab ("arm64: dts: rockchip: Add rock-5b board")
6fb13f888f2a ("arm64: dts: rockchip: Update sdhci alias for rock-5b")
Signed-off-by: Eugen Hristev <eugen.hristev@collabora.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk3588-rock-5b.dts b/arch/arm/dts/rk3588-rock-5b.dts
new file mode 100644
index 0000000..95805cb
--- /dev/null
+++ b/arch/arm/dts/rk3588-rock-5b.dts
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+
+/dts-v1/;
+
+#include "rk3588.dtsi"
+
+/ {
+ model = "Radxa ROCK 5 Model B";
+ compatible = "radxa,rock-5b", "rockchip,rk3588";
+
+ aliases {
+ mmc0 = &sdhci;
+ serial2 = &uart2;
+ };
+
+ chosen {
+ stdout-path = "serial2:1500000n8";
+ };
+
+ vcc5v0_sys: vcc5v0-sys-regulator {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc5v0_sys";
+ regulator-always-on;
+ regulator-boot-on;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ };
+};
+
+&sdhci {
+ bus-width = <8>;
+ no-sdio;
+ no-sd;
+ non-removable;
+ max-frequency = <200000000>;
+ mmc-hs400-1_8v;
+ mmc-hs400-enhanced-strobe;
+ status = "okay";
+};
+
+&uart2 {
+ pinctrl-0 = <&uart2m0_xfer>;
+ status = "okay";
+};