[PATCH linux dev-5.3 2/3] ARM: dts: aspeed: tacoma: Add UART1 and workaround

[Eddie James]

On 10/16/19 6:59 AM, Joel Stanley wrote:
> The UARTs on the AST2600 A0 have a known issue that can be worked around
> by using the Synopsys driver.


Tested-by: Eddie James <eajames at linux.ibm.com>


>
> Signed-off-by: Joel Stanley <joel at jms.id.au>
> ---
>   arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts | 15 +++++++++++----
>   1 file changed, 11 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
> index cdc14773ddda..b38498a317ce 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts
> @@ -10,10 +10,6 @@
>   	model = "Tacoma";
>   	compatible = "ibm,tacoma-bmc", "aspeed,ast2600";
>   
> -	aliases {
> -		serial4 = &uart5;
> -	};
> -
>   	chosen {
>   		stdout-path = &uart5;
>   		bootargs = "console=ttyS4,115200n8";
> @@ -515,6 +511,17 @@
>   	status = "okay";
>   };
>   
> +&uart1 {
> +	status = "okay";
> +	// Workaround for A0
> +	compatible = "snps,dw-apb-uart";
> +};
> +
> +&uart5 {
> +	// Workaround for A0
> +	compatible = "snps,dw-apb-uart";
> +};
> +
>   &vuart1 {
>   	status = "okay";
>   };