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Message-ID: <20250124-reoccupy-music-3803c753f8af@spud>
Date: Fri, 24 Jan 2025 16:39:46 +0000
From: Conor Dooley <conor@...nel.org>
To: Basharath Hussain Khaja <basharath@...thit.com>
Cc: danishanwar@...com, rogerq@...nel.org, andrew+netdev@...n.ch,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, nm@...com, ssantosh@...nel.org,
	tony@...mide.com, richardcochran@...il.com, parvathi@...thit.com,
	schnelle@...ux.ibm.com, rdunlap@...radead.org,
	diogo.ivo@...mens.com, m-karicheri2@...com, horms@...nel.org,
	jacob.e.keller@...el.com, m-malladi@...com,
	javier.carrasco.cruz@...il.com, afd@...com, s-anna@...com,
	linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org, pratheesh@...com, prajith@...com,
	vigneshr@...com, praneeth@...com, srk@...com, rogerq@...com,
	krishna@...thit.com, pmohan@...thit.com, mohan@...thit.com
Subject: Re: [RFC v2 PATCH 01/10] dt-bindings: net: ti: Adds DUAL-EMAC mode
 support on PRU-ICSS2 for AM57xx SOCs

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?

> ---
>  .../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.

>  
>    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?

> +    $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).

> +
> +  interrupts:
> +    items:
> +      - description: High priority Rx Interrupt specifier.
> +      - description: Low priority Rx Interrupt specifier.


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