Main uart0 is used as debug console by both R5SPL and A72 bootloader and Linux. So mark it as shared device so that power-domain request is successful by both cores.
Signed-off-by: Lokesh Vutla lokeshvutla@ti.com --- - Based on kernl change: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/a...
arch/arm/dts/k3-j721e-common-proc-board.dts | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/arm/dts/k3-j721e-common-proc-board.dts b/arch/arm/dts/k3-j721e-common-proc-board.dts index b5b8c3c5cc..9de9d1d692 100644 --- a/arch/arm/dts/k3-j721e-common-proc-board.dts +++ b/arch/arm/dts/k3-j721e-common-proc-board.dts @@ -19,6 +19,10 @@ status = "disabled"; };
+&main_uart0 { + power-domains = <&k3_pds 146 TI_SCI_PD_SHARED>; +}; + &main_uart3 { /* UART not brought out */ status = "disabled";