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 --- dts/upstream/src/arm64/rockchip/rk3568-qnap-ts433.dts | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/dts/upstream/src/arm64/rockchip/rk3568-qnap-ts433.dts b/dts/upstream/src/arm64/rockchip/rk3568-qnap-ts433.dts index 9bf9c3b65ca..bc26f2e98c1 100644 --- 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). * ,_ _.