Message-ID: <20250129-vowed-dingbat-cfb5c5b8ede4@spud>
Date: Wed, 29 Jan 2025 17:48:44 +0000
From: Conor Dooley <conor@...nel.org>
To: Basharath Hussain Khaja <basharath@...thit.com>
Cc: danishanwar <danishanwar@...com>, rogerq <rogerq@...nel.org>,
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Subject: Re: [RFC v2 PATCH 01/10] dt-bindings: net: ti: Adds DUAL-EMAC mode
 support on PRU-ICSS2 for AM57xx SOCs

On Wed, Jan 29, 2025 at 10:46:52AM +0530, Basharath Hussain Khaja wrote:
> > On Fri, Jan 24, 2025 at 05:53:44PM +0530, Basharath Hussain Khaja wrote:
> >> From: Parvathi Pudi <parvathi@...thit.com>
> >> 
> >> Documentation update for the newly added "pruss2_eth" device tree
> >> node and its dependencies along with compatibility for PRU-ICSS
> >> Industrial Ethernet Peripheral (IEP), PRU-ICSS Enhanced Capture
> >> (eCAP) peripheral and using YAML binding document for AM57xx SoCs.
> >> 
> >> Signed-off-by: Roger Quadros <rogerq@...com>
> >> Signed-off-by: Andrew F. Davis <afd@...com>
> >> Signed-off-by: Murali Karicheri <m-karicheri2@...com>
> >> Signed-off-by: Parvathi Pudi <parvathi@...thit.com>
> >> Signed-off-by: Basharath Hussain Khaja <basharath@...thit.com>
> > 
> > I find this hard to believe. If all these people handled the patch, the
> > signoff from Parvathi would be first, no? Should some of these people be
> > co-developers?
> > 
> 
> Changes are about multiple modules. We have added our sign-off followed by original module authors.

I think what you're trying to say is that these people are
co-developers? Anyone that contributed to the content of this patch
needs to get a co-developed-by. If they're not co-developers, and you
just want to put them in the maintainers section, they don't get
sign-offs.

> >> ---
> >>  .../devicetree/bindings/net/ti,icss-iep.yaml  |   5 +
> >>  .../bindings/net/ti,icssm-prueth.yaml         | 147 ++++++++++++++++++
> >>  .../bindings/net/ti,pruss-ecap.yaml           |  32 ++++
> >>  .../devicetree/bindings/soc/ti/ti,pruss.yaml  |   9 ++
> >>  4 files changed, 193 insertions(+)
> >>  create mode 100644 Documentation/devicetree/bindings/net/ti,icssm-prueth.yaml
> >>  create mode 100644 Documentation/devicetree/bindings/net/ti,pruss-ecap.yaml
> >> 
> >> diff --git a/Documentation/devicetree/bindings/net/ti,icss-iep.yaml
> >> b/Documentation/devicetree/bindings/net/ti,icss-iep.yaml
> >> index e36e3a622904..aad7d37fb47e 100644
> >> --- a/Documentation/devicetree/bindings/net/ti,icss-iep.yaml
> >> +++ b/Documentation/devicetree/bindings/net/ti,icss-iep.yaml
> >> @@ -8,6 +8,8 @@ title: Texas Instruments ICSS Industrial Ethernet Peripheral
> >> (IEP) module
> >>  
> >>  maintainers:
> >>    - Md Danish Anwar <danishanwar@...com>
> >> +  - Parvathi Pudi <parvathi@...thit.com>
> >> +  - Basharath Hussain Khaja <basharath@...thit.com>
> >>  
> >>  properties:
> >>    compatible:
> >> @@ -20,6 +22,9 @@ properties:
> >>  
> >>        - const: ti,am654-icss-iep
> >>  
> >> +      - items:
> >> +          - enum:
> >> +              - ti,am5728-icss-iep
> > 
> > "items: - enum: <one item>" is the same as const.
> > 
> 
> Sure, we will modify as below.
> 
>       - const: ti,am5728-icss-iep
> 
> >>  
> >>    reg:
> >>      maxItems: 1
> >> diff --git a/Documentation/devicetree/bindings/net/ti,icssm-prueth.yaml
> >> b/Documentation/devicetree/bindings/net/ti,icssm-prueth.yaml
> >> new file mode 100644
> >> index 000000000000..51e99beb5f5f
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/net/ti,icssm-prueth.yaml
> >> @@ -0,0 +1,147 @@
> >> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> >> +%YAML 1.2
> >> +---
> >> +$id: http://devicetree.org/schemas/net/ti,icssm-prueth.yaml#
> >> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> >> +
> >> +title: Texas Instruments ICSSM PRUSS Ethernet
> >> +
> >> +maintainers:
> >> +  - Roger Quadros <rogerq@...com>
> >> +  - Andrew F. Davis <afd@...com>
> >> +  - Parvathi Pudi <parvathi@...thit.com>
> >> +  - Basharath Hussain Khaja <basharath@...thit.com>
> >> +
> >> +description:
> >> +  Ethernet based on the Programmable Real-Time Unit and Industrial
> >> +  Communication Subsystem.
> >> +
> >> +properties:
> >> +  compatible:
> >> +    enum:
> >> +      - ti,am57-prueth     # for AM57x SoC family
> >> +
> >> +  sram:
> >> +    $ref: /schemas/types.yaml#/definitions/phandle
> >> +    description:
> >> +      phandle to OCMC SRAM node
> >> +
> >> +  ti,mii-rt:
> >> +    $ref: /schemas/types.yaml#/definitions/phandle
> >> +    description:
> >> +      phandle to MII_RT module's syscon regmap
> >> +
> >> +  ti,iep:
> >> +    $ref: /schemas/types.yaml#/definitions/phandle
> >> +    description:
> >> +      phandle to IEP (Industrial Ethernet Peripheral) for ICSS
> >> +
> >> +  ecap:
> > 
> > Why's this one not got a ti prefix?
> > 
> 
> We will add "ti" prefix to ecap as "ti,ecap" in the next version.
> 
> >> +    $ref: /schemas/types.yaml#/definitions/phandle
> >> +    description:
> >> +      phandle to Enhanced Capture (eCAP) event for ICSS
> > 
> > Why do you need phandles for these things, can they not be looked up by
> > compatible? (e.g. multiple devices on one SoC).
> > 
> 
> ecap is another peripheral similar to IEP in ICSSM/ICSSG. We have created a separate driver for possible reuse with ICSSG in future.

That's not an answer to my question.

> 
> >> +
> >> +  interrupts:
> >> +    items:
> >> +      - description: High priority Rx Interrupt specifier.
> > > +      - description: Low priority Rx Interrupt specifier.
> 
> 
> Thanks & Best Regards,
> Basharath

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