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

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On Mon, 18 May 2020 23:11:14 -0700
Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> wrote:

> 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.

Yes, AFAICT the bootloader iterates over the appended DTBs and will
only boot if it finds one with those matching properties.

> > 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

OK, thanks!



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