Re: [PATCH] dt-bindings: arm: bcm: add BCM53573 SoCs family binding

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On Mon, Jul 10, 2023 at 07:27:12PM +0200, Rafał Miłecki wrote:
> On 10.07.2023 19:24, Rafał Miłecki wrote:
> > On 10.07.2023 19:08, Conor Dooley wrote:
> > > On Fri, Jul 07, 2023 at 01:53:02PM +0200, Rafał Miłecki wrote:
> > > > From: Rafał Miłecki <rafal@xxxxxxxxxx>
> > > > 
> > > > BCM53573 is a family derived from Northstar with some important
> > > > differences:
> > > > 1. Cortex-A9 replaced by Cortex-A7
> > > > 2. XHCI controller dropped
> > > > 3. Two Ethernet interfaces removed
> > > > 4. Two 802.11ac cores embedded
> > > > 
> > > > Linux already contains DTS files for some on those devices so add a
> > > > proper binding for it.
> > > > 
> > > > Signed-off-by: Rafał Miłecki <rafal@xxxxxxxxxx>
> > > > ---
> > > >   .../bindings/arm/bcm/brcm,bcm53573.yaml       | 39 +++++++++++++++++++
> > > >   1 file changed, 39 insertions(+)
> > > >   create mode 100644 Documentation/devicetree/bindings/arm/bcm/brcm,bcm53573.yaml
> > > > 
> > > > diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,bcm53573.yaml b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm53573.yaml
> > > > new file mode 100644
> > > > index 000000000000..6e502d718518
> > > > --- /dev/null
> > > > +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,bcm53573.yaml
> > > > @@ -0,0 +1,39 @@
> > > > +# SPDX-License-Identifier: GPL-2.0
> > > 
> > > How come this is not dual licensed?
> > 
> > Somehow I got inspired by other Broadocm SoCs here. I'll relicense it though.
> > 
> > FWIW:
> > $ grep "SPDX-License-Identifier" Documentation/devicetree/bindings/arm/bcm/*.yaml
> > Documentation/devicetree/bindings/arm/bcm/bcm2835.yaml:# SPDX-License-Identifier: GPL-2.0
> > Documentation/devicetree/bindings/arm/bcm/brcm,bcm11351.yaml:# SPDX-License-Identifier: GPL-2.0
> > Documentation/devicetree/bindings/arm/bcm/brcm,bcm21664.yaml:# SPDX-License-Identifier: GPL-2.0
> > Documentation/devicetree/bindings/arm/bcm/brcm,bcm23550.yaml:# SPDX-License-Identifier: GPL-2.0
> > Documentation/devicetree/bindings/arm/bcm/brcm,bcm4708.yaml:# SPDX-License-Identifier: GPL-2.0
> > Documentation/devicetree/bindings/arm/bcm/brcm,bcm53573.yaml:# SPDX-License-Identifier: GPL-2.0
> > Documentation/devicetree/bindings/arm/bcm/brcm,bcmbca.yaml:# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
> > Documentation/devicetree/bindings/arm/bcm/brcm,cygnus.yaml:# SPDX-License-Identifier: GPL-2.0
> > Documentation/devicetree/bindings/arm/bcm/brcm,hr2.yaml:# SPDX-License-Identifier: GPL-2.0
> > Documentation/devicetree/bindings/arm/bcm/brcm,ns2.yaml:# SPDX-License-Identifier: GPL-2.0
> > Documentation/devicetree/bindings/arm/bcm/brcm,nsp.yaml:# SPDX-License-Identifier: GPL-2.0
> > Documentation/devicetree/bindings/arm/bcm/brcm,stingray.yaml:# SPDX-License-Identifier: GPL-2.0
> > Documentation/devicetree/bindings/arm/bcm/brcm,vulcan-soc.yaml:# SPDX-License-Identifier: GPL-2.0
> > Documentation/devicetree/bindings/arm/bcm/raspberrypi,bcm2835-firmware.yaml:# SPDX-License-Identifier: GPL-2.0
> > 
> > 
> > > > +%YAML 1.2
> > > > +---
> > > > +$id: http://devicetree.org/schemas/arm/bcm/brcm,bcm53573.yaml#
> > > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > > +
> > > > +title: Broadcom BCM53573 SoCs family
> > > 
> > > Title seems a little odd given the description.
> > > "Broadcom Northstar derived Wi-Fi SoCs"?
> > 
> > Some team at Broadcom took Northstar family design, added their changes
> > and they reference those SoCs as BCM53573 family. So I thought I should
> > just stick with the name they chose.
> 
> I'm wondering if "derived" is a correct word in this case. I'm not
> familiar with hardware design terminology. Maybe that is what causes a
> confusion here?

I dunno. It's not that important really. I just found it odd for the
title to say "XYZ family" and then have the description say "XYZ / QPR
SoCs". You don't need to change it.

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