arm: dts: k3-j721e-r5-common-proc-board: Disable power-domains for mcu uart

mcu uart will be used during uart boot for loading sysfw.itb. Since
sysfw is not yet available during uart load, power-domain cannot be
enabled. We need to rely on ROM for doing that, so disable power-domains
and clocks for mcu uart. Also fix the mcu uart frequency.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

diff --git a/arch/arm/dts/k3-j721e-r5-common-proc-board.dts b/arch/arm/dts/k3-j721e-r5-common-proc-board.dts
index 1f14d71438b4ff800a75f521e35fe446787fde14..eb577cdbc64b065960bc03cbd2d7347b3c4b68d6 100644 (file)
--- a/arch/arm/dts/k3-j721e-r5-common-proc-board.dts
+++ b/arch/arm/dts/k3-j721e-r5-common-proc-board.dts
@@ -157,9 +157,13 @@
 };
 
 &mcu_uart0 {
+       /delete-property/ power-domains;
+       /delete-property/ clocks;
+       /delete-property/ clock-names;
        pinctrl-names = "default";
        pinctrl-0 = <&mcu_uart0_pins_default>;
        status = "okay";
+       clock-frequency = <48000000>;
 };
 
 &main_uart0 {