[EXT] Re: [PATCH v4 2/7] arm64: dts: imx8ulp-evk: added nxp secure enclave firmware

[Pankaj Gupta]

> -----Original Message-----
> From: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
> Sent: Thursday, July 13, 2023 12:08 AM
> To: Pankaj Gupta <pankaj.gupta at nxp.com>; shawnguo at kernel.org;
> s.hauer at pengutronix.de; kernel at pengutronix.de; clin at suse.com;
> conor+dt at kernel.org; pierre.gondois at arm.com; Jacky Bai
> <ping.bai at nxp.com>; Clark Wang <xiaoning.wang at nxp.com>; Wei Fang
> <wei.fang at nxp.com>; Peng Fan <peng.fan at nxp.com>; Bough Chen
> <haibo.chen at nxp.com>; festevam at gmail.com; dl-linux-imx <linux-
> imx at nxp.com>; davem at davemloft.net; robh+dt at kernel.org;
> krzysztof.kozlowski+dt at linaro.org; linux-arm-kernel at lists.infradead.org;
> devicetree at vger.kernel.org; linux-kernel at vger.kernel.org; Gaurav Jain
> <gaurav.jain at nxp.com>; alexander.stein at ew.tq-group.com; Sahil Malhotra
> <sahil.malhotra at nxp.com>; Aisheng Dong <aisheng.dong at nxp.com>; Varun
> Sethi <V.Sethi at nxp.com>
> Subject: [EXT] Re: [PATCH v4 2/7] arm64: dts: imx8ulp-evk: added nxp secure
> enclave firmware
>
> Caution: This is an external email. Please take care when clicking links or
> opening attachments. When in doubt, report the message using the 'Report
> this email' button
>
>
> On 12/07/2023 14:12, Pankaj Gupta wrote:
> > Added support for NXP secure enclave called EdgeLock Enclave firmware
> > (se-fw) for imx8ulp-evk.
> >
> > Signed-off-by: Pankaj Gupta <pankaj.gupta at nxp.com>
> > ---
> >  arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 12 +++++++++++-
> >  1 file changed, 11 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> > b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> > index 3ddc0f3125b3..10ed31974a6f 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
> > @@ -114,7 +114,7 @@ sosc: clock-sosc {
> >               #clock-cells = <0>;
> >       };
> >
> > -     sram at 2201f000 {
> > +     sram0: sram at 2201f000 {
> >               compatible = "mmio-sram";
> >               reg = <0x0 0x2201f000 0x0 0x1000>;
> >
> > @@ -161,6 +161,16 @@ s4muap: mailbox at 27020000 {
> >                       #mbox-cells = <2>;
> >               };
> >
> > +             ele_fw: se-fw {
> > +                     compatible = "fsl,imx-ele";
> > +                     mboxes = <&s4muap 0 0 &s4muap 1 0>;
> > +                     mbox-names = "tx", "rx";
> > +                     fsl,mu-did = <7>;
> > +                     fsl,mu-id = <2>;
> > +                     sram-pool = <&sram0>;
>
> It does not look like you tested the DTS against bindings. Please run `make
> dtbs_check` (see Documentation/devicetree/bindings/writing-schema.rst or
> https://www.li/
> naro.org%2Fblog%2Ftips-and-tricks-for-validating-devicetree-sources-with-
> the-devicetree-
> schema%2F&data=05%7C01%7Cpankaj.gupta%40nxp.com%7Cd13d0b68d01c
> 4d10d8cb08db83070ed2%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%
> 7C0%7C638247838553225400%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC
> 4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7
> C%7C%7C&sdata=pO6dnz4aPqVejRNDR0OU4n04hXebyqgrNKg4DPhahI0%3D
> &reserved=0
> for instructions).

Tested. Before submitting the patch.
[Pankaj] Accepted.

>
> > +                     status = "okay";
>
> It's by default.
>
Will be removed from the V5.
> Best regards,
> Krzysztof