Re: [PATCH v2 2/8] arm64: dts: qcom: sm6350-lena: Add qcom,rmtfs-mem node

["Luca Weiss" <luca.weiss@fairphone.com>]

(re-posting my mail from Sep 28 because apparently I forgot Reply-all)

On Sat Sep 26, 2026 at 7:30 PM IST, erebion wrote:
> Adds the qcom,rmtfs-mem node required for the modem
>
> Signed-off-by: erebion <erebion@erebion.eu>
> ---
>  .../boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts    | 17 +++++++++++++++++
>  1 file changed, 17 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts b/arch/arm64/boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts
> index 79aa2521aed40..0ef3e9e239786 100644
> --- a/arch/arm64/boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts
> +++ b/arch/arm64/boot/dts/qcom/sm6350-sony-xperia-lena-pdx213.dts
> @@ -4,6 +4,7 @@
>   */
>  /dts-v1/;
>  
> +#include <dt-bindings/firmware/qcom,scm.h>
>  #include <dt-bindings/leds/common.h>
>  #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
>  #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> @@ -54,6 +55,22 @@ touch_en_vreg: touch-en-regulator {
>  
>  		vin-supply = <&pm6350_l6>;
>  	};
> +
> +	reserved-memory {

r (reserved-memory) < t (touch-en-regulator)

But it'd probably make more sense to actually rename touch-en-regulator
to regulator-touch-en (to keep any future fixed-regulator sorted
together as well), then the current sorting makes sense. Maybe add this
as a patch before this one?

With that fixed:

Reviewed-by: Luca Weiss <luca.weiss@fairphone.com>

> +		/*
> +		 * The rmtfs memory region in downstream is 'dynamically allocated'
> +		 * but given the same address every time. Hard code it as this address is
> +		 * where the modem firmware expects it to be.
> +		 */
> +		rmtfs@fe901000 {
> +			compatible = "qcom,rmtfs-mem";
> +			reg = <0x0 0xfe901000 0x0 0x280000>;
> +			no-map;
> +
> +			qcom,client-id = <1>;
> +			qcom,vmid = <QCOM_SCM_VMID_MSS_MSA>;
> +		};
> +	};
>  };
>  
>  &apps_rsc {