Re: [PATCH 1/2] arm64: dts: qcom: sdm845-sony-tama: enable SLPI and IPA

From: Konrad Dybcio

Date: Wed Sep 09 2026 - 08:21:27 EST


On 9/8/26 3:16 AM, Shujath Mohd wrote:
> Enable the SLPI and IPA subsystems on Sony Xperia TAMA devices and
> provide their firmware paths.
>
> Configure IPA to use the self GSI loader and the existing IPA firmware
> reserved-memory region.
>
> Signed-off-by: Shujath Mohd <shujath@xxxxxxxxxx>
> ---
> .../arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi
> index e34c1dc35a05..1c61a274604f 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama.dtsi
> @@ -403,6 +403,18 @@ vreg_s3c_0p6: smps3 {
> };
> };
>
> +&slpi_pas {
> + firmware-name = "qcom/sdm845/Sony/tama/slpi.mbn";
> + status = "okay";
> +};

Please keep the label references sorted alphabetically

> +
> +&ipa {
> + qcom,gsi-loader = "self";
> + memory-region = <&ipa_fw_mem>;

These two properties are there in sdm845.dtsi already

I think patches 1 and 2 make more sense when squashed together,
especially since IPA without modem is not particularly useful

Konrad