Re: [PATCH 3/3] arm64: dts: ti: iot2050: Add support for M.2 variant

From: Krzysztof Kozlowski
Date: Wed Jan 18 2023 - 12:08:03 EST


On 18/01/2023 17:28, Jan Kiszka wrote:
> From: chao zeng <chao.zeng@xxxxxxxxxxx>
>
> The M.2 variant comes with 2 slots, one B-keyed and another one E-keyed.
> They are configured by the firmware during startup. Also the device tree
> will be adjusted according to the detect or manually configured
> interface mode by the firmware. The kernel only carries a single
> configuration as base device tree. It has to be built with a symbols
> node so that the firmware can apply overlays for the connector modes.
>
> Signed-off-by: chao zeng <chao.zeng@xxxxxxxxxxx>
> [Jan: refactored to a single DT]
> Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
> ---
> arch/arm64/boot/dts/ti/Makefile | 3 +
> .../dts/ti/k3-am6548-iot2050-advanced-m2.dts | 122 ++++++++++++++++++
> 2 files changed, 125 insertions(+)
> create mode 100644 arch/arm64/boot/dts/ti/k3-am6548-iot2050-advanced-m2.dts
>
> diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile
> index cf7c509538a4..13e79bf7e804 100644
> --- a/arch/arm64/boot/dts/ti/Makefile
> +++ b/arch/arm64/boot/dts/ti/Makefile
> @@ -11,6 +11,9 @@ dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic.dtb
> dtb-$(CONFIG_ARCH_K3) += k3-am6528-iot2050-basic-pg2.dtb
> dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced.dtb
> dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-pg2.dtb
> +dtb-$(CONFIG_ARCH_K3) += k3-am6548-iot2050-advanced-m2.dtb

This does not look like proper order.

> +
> +DTC_FLAGS_k3-am6548-iot2050-advanced-m2 += -@
>

Best regards,
Krzysztof