arm64: dts: rockchip: Add rock-5b board

Add board file for the RK3588 Rock 5B board. This is a basic
implementation which just brings up the eMMC and UART which is
enough to successfully boot Linux.

The ethernet controller is connected via PCIe so support will
come in a follow-up patch.

Signed-off-by: Christopher Obbard <chris.obbard@collabora.com>
Reviewed-by: Michael Riesch <michael.riesch@wolfvision.net>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Link: https://lore.kernel.org/r/20230109155801.51642-8-sebastian.reichel@collabora.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
index a16030d1a5a023f8ae581071dd2f8548c58073aa..bf17abe9d12d0903f84b83c546b5e976105b8901 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/Makefile
+++ b/arch/arm64/boot/dts/rockchip/Makefile
@@ -87,4 +87,5 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-odroid-m1.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-radxa-e25.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-rock-3a.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-evb1-v10.dtb
+dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5b.dtb
 dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-rock-5a.dtb

diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
new file mode 100644 (file)
index 0000000..d2f1e96
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/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 {
+               mmc1 = &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";
+};