Re: [PATCH 3/3] arm64: dts: qcom: Add initial support for Xiaomi Redmi Note 8T

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On Sun 17 May 04:54 PDT 2020, Eli Riggs wrote:

> Adds initial device tree for Xiaomi Redmi Note 8T, codename xiaomi-willow.
> It uses the sm6125 SoC. Currently only boots into initrd shell over UART.
> Requires appended DTB with qcom,board-id = <0x22 0x0> and
> qcom,msm-id = <0x18a 0x10000> to actually boot.
> 

If I read this correctly you need to supply board-id and msm-id in order
to be able to get this booting?

Even though we don't like them, I would prefer if you just add them in
the dts file, in this patch.

> Signed-off-by: Eli Riggs <eli@xxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/Makefile             |  1 +
>  .../boot/dts/qcom/sm6125-xiaomi-willow.dts    | 19 +++++++++++++++++++
>  2 files changed, 20 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/sm6125-xiaomi-willow.dts
> 
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index cc103f7020fd6..060aa98200e47 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -22,6 +22,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-cheza-r3.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-db845c.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-mtp.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-lenovo-yoga-c630.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= sm6125-xiaomi-willow.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm8150-mtp.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= sm8250-mtp.dtb
>  dtb-$(CONFIG_ARCH_QCOM)	+= qcs404-evb-1000.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sm6125-xiaomi-willow.dts b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-willow.dts
> new file mode 100644
> index 0000000000000..444b32ccb9d48
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sm6125-xiaomi-willow.dts
> @@ -0,0 +1,19 @@
> +// SPDX-License-Identifier: GPL-2.0-only

Please make this GPL/BSD dual license.

Apart from these few remarks your patches looks good, looking forward to
see more of this platform!

Regards,
Bjorn

> +// Copyright (c) 2020, Eli Riggs <eli@xxxxxx>
> +
> +/dts-v1/;
> +
> +#include "sm6125.dtsi"
> +
> +/ {
> +	model = "Xiaomi Redmi Note 8T";
> +	compatible = "xiaomi,willow", "qcom,sm6125";
> +
> +	aliases {
> +		serial0 = &qupv3_se4_2uart;
> +	};
> +
> +	chosen {
> +		stdout-path = "serial0:115200n8";
> +	};
> +};
> -- 
> 2.20.1
> 



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