arm64: dts: rockchip: enable uart0 on Qnap-TS433

Uart0 is connected to an MCU on the board that handles system control
like the fan-speed. So far no driver for it is available though.

Tested-by: Uwe Kleine-König <ukleinek@debian.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20240723195538.1133436-4-heiko@sntech.de
[ upstream commit: 07ef8be476bebd77cba3ca4804be03cc0dba414f ]

(cherry picked from commit aaa5b1c4bd8f0e4327078d513f0eef05cb829bcf)
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>

diff --git a/dts/upstream/src/arm64/rockchip/rk3568-qnap-ts433.dts b/dts/upstream/src/arm64/rockchip/rk3568-qnap-ts433.dts
index 9bf9c3b65ca316d102ba1b544d8212e6fe37a2fc..bc26f2e98c18531cbe8d63fe402d2f25225ce592 100644 (file)
--- a/dts/upstream/src/arm64/rockchip/rk3568-qnap-ts433.dts
+++ b/dts/upstream/src/arm64/rockchip/rk3568-qnap-ts433.dts
@@ -104,6 +104,14 @@
        status = "okay";
 };
 
+/*
+ * Connected to an MCU, that provides access to more LEDs,
+ * buzzer, fan control and more.
+ */
+&uart0 {
+       status = "okay";
+};
+
 /*
  * Pins available on CN3 connector at TTL voltage level (3V3).
  * ,_  _.