linux-kernel - [PATCH net-next v5 0/2] net: dsa: microchip: add drive strength support

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Date:   Thu, 14 Sep 2023 09:51:05 +0200
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     "David S. Miller" <davem@...emloft.net>,
        Andrew Lunn <andrew@...n.ch>,
        Eric Dumazet <edumazet@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Woojung Huh <woojung.huh@...rochip.com>,
        Arun Ramadoss <arun.ramadoss@...rochip.com>,
        Conor Dooley <conor+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        UNGLinuxDriver@...rochip.com,
        "Russell King (Oracle)" <linux@...linux.org.uk>,
        devicetree@...r.kernel.org
Subject: [PATCH net-next v5 0/2] net: dsa: microchip: add drive strength support 

changes v5:
- rename milliamp to microamp
- do not expect negative error code on snprintf
- set coma after last struct element
- rename found to have_any_prop

changes v4:
- integrate microchip feedback to the ksz9477_drive_strengths comment.
- add Reviewed-by: Rob Herring <robh@...nel.org>

changes v3:
- yaml: use enum instead of min/max
- do not use snprintf() on overlapping buffer.
- unify ksz_drive_strength_to_reg() and ksz_drive_strength_error(). Make
  it usable for KSZ9477 and KSZ8830 variants.
- use ksz_rmw8() in ksz9477_drive_strength_write()

changes v2:
- make it work on all know KSZ* variants except of undocumented LAN*
  switches
- add io-drive-strength compatible for ksz88xx chips
- test exact drive strength instead of nearest closest.
- add comment and refactor the code

Oleksij Rempel (2):
  dt-bindings: net: dsa: microchip: Update ksz device tree bindings for
    drive strength
  net: dsa: microchip: Add drive strength configuration

 .../bindings/net/dsa/microchip,ksz.yaml       |  20 ++
 drivers/net/dsa/microchip/ksz8795_reg.h       |  14 -
 drivers/net/dsa/microchip/ksz9477_reg.h       |  13 -
 drivers/net/dsa/microchip/ksz_common.c        | 309 ++++++++++++++++++
 drivers/net/dsa/microchip/ksz_common.h        |  20 ++
 5 files changed, 349 insertions(+), 27 deletions(-)

-- 
2.39.2