[PATCH 1/2] arm: dts: Add override for RB1

[Caleb Connolly]

On 4/7/25 15:28, Sumit Garg wrote:
> From: Sumit Garg <sumit.garg at oss.qualcomm.com>
> 
> Add U-Boot override for RB1 to for USB in host mode as OTG mode isn't
> supported. Also, disable sdhc_2 as it's currently not supported, sdhc_1
> works fine though.
> 
> Signed-off-by: Sumit Garg <sumit.garg at oss.qualcomm.com>
> ---
>   arch/arm/dts/qrb2210-rb1-u-boot.dtsi | 11 +++++++++++
>   1 file changed, 11 insertions(+)
>   create mode 100644 arch/arm/dts/qrb2210-rb1-u-boot.dtsi
> 
> diff --git a/arch/arm/dts/qrb2210-rb1-u-boot.dtsi b/arch/arm/dts/qrb2210-rb1-u-boot.dtsi
> new file mode 100644
> index 00000000000..1e136ee405a
> --- /dev/null
> +++ b/arch/arm/dts/qrb2210-rb1-u-boot.dtsi
> @@ -0,0 +1,11 @@
> +// SPDX-License-Identifier: GPL-2.0
> +
> +/* This is usually OTG but U-Boot doesn't support that properly */
> +&usb_dwc3 {
> +	dr_mode = "host";
> +};
> +
> +/* SDHC_2 isn't supported in U-Boot as of now */

I'd rather avoid disabling this here, I guess it's just missing clocks 
and regulators which doesn't justify modifying DT. An error that mmc1 
couldn't be enabled seems fine to me?> +&sdhc_2 {
> +	status = "disabled";
> +};
-- 
Caleb (they/them)