[PATCH v9 00/13] further mt7988 devicetree work

Tue Sep 9 05:55:55 PDT 2025

Queued patches 7 - 13

Thanks!

On 09/07/2025 13:09, Frank Wunderlich wrote:
> From: Frank Wunderlich <frank-w at public-files.de>
> 
> This series continues mt7988 devicetree work
> 
> - Extend cpu frequency scaling with CCI
> - GPIO leds
> - Basic network-support (ethernet controller + builtin switch + SFP Cages)
> 
> depencies (i hope this list is complete and latest patches/series linked):
> 
> support interrupt-names is optional again as i re-added the reserved IRQs
> (they are not unusable as i thought and can allow features in future)
> https://patchwork.kernel.org/project/netdevbpf/patch/20250619132125.78368-2-linux@fw-web.de/
> 
> needs change in mtk ethernet driver for the sram to be read from separate node:
> https://patchwork.kernel.org/project/netdevbpf/patch/c2b9242229d06af4e468204bcf42daa1535c3a72.1751461762.git.daniel@makrotopia.org/
> 
> for SFP-Function (macs currently disabled):
> 
> PCS clearance which is a 1.5 year discussion currently ongoing
> 
> Daniel asked netdev for a way 2 go:
> https://lore.kernel.org/netdev/aEwfME3dYisQtdCj@pidgin.makrotopia.org/
> 
> e.g. something like this (one of):
> * https://patchwork.kernel.org/project/netdevbpf/patch/20250610233134.3588011-4-sean.anderson@linux.dev/ (v6)
> * https://patchwork.kernel.org/project/netdevbpf/patch/20250511201250.3789083-4-ansuelsmth@gmail.com/ (v4)
> * https://patchwork.kernel.org/project/netdevbpf/patch/ba4e359584a6b3bc4b3470822c42186d5b0856f9.1721910728.git.daniel@makrotopia.org/
> 
> full usxgmii driver:
> https://patchwork.kernel.org/project/netdevbpf/patch/07845ec900ba41ff992875dce12c622277592c32.1702352117.git.daniel@makrotopia.org/
> 
> first PCS-discussion is here:
> https://patchwork.kernel.org/project/netdevbpf/patch/8aa905080bdb6760875d62cb3b2b41258837f80e.1702352117.git.daniel@makrotopia.org/
> some more here:
> https://lore.kernel.org/netdev/20250511201250.3789083-4-ansuelsmth@gmail.com/
> 
> and then dts nodes for sgmiisys+usxgmii+2g5 firmware
> 
> when above depencies are solved the mac1/2 can be enabled and 2.5G phy/SFP slots will work.
> 
> changes:
> v9:
> - dropped patches already applied (cci,gpio-leds,unused pins)
> - added patches to add RSS IRQs, IRQ-names and sram-node for mt7986
>    note: mt7981 does not have a ethernet node yet
> - set minItems for Filogic (MT798x) IRQs/Names to 8
>    needed to update MT7986 binding example because of this
> - add sram:false to non-Filogic SoCs
> 
> v8:
> - splitted binding into irq-count and irq-names and updated description
> - fixed typo in mt7621 section "interrupt-namess"
> - splitted binding changes into fixes (mac) and additions (sram)
> - dropped change of reg (simple count to description)
> - change ethernet register size to 0x40000
> 
> v7:
> - fixed rebasing error while splitting dt-binding patch
> 
> v6:
> binding:
> - split out the interrupt-names into separate patch
> - update irq(name) min count to 4
> - move interrupt-names up
> - add sram-property
> - drop second reg entry and minitems as there is only 1 item left
> 
> dts:
> - fix whitespace-errors for pdma irqs (spaces vs. tabs)
> - move sram from eth reg to own sram node (needs CONFIG_SRAM)
> 
> v5:
> - add reserved irqs and change names
> - update binding for 8 irqs with different names (rx,tx => fe1+fe2, rx-ringX => pdmaX)
>    (dropped Robs RB due to this change again, sorry)
> 
> v4:
>    net-binding:
>      - allow interrupt names and increase max interrupts to 6 because of RSS/LRO interrupts
>        (dropped Robs RB due to this change)
> 
>    dts-patches:
>    - add interrupts for RSS/LRO and interrupt-names for ethernet node
>    - eth-reg and clock whitespace-fix
>    - comment for fixed-link on gmac0
>    - drop phy-mode properties as suggested by andrew
>    - drop phy-connection-type on 2g5 board
>    - reorder some properties
>    - update 2g5 phy node
>      - unit-name dec instead of hex to match reg property
>      - move compatible before reg
>      - drop phy-mode
> 
> v3:
>    - dropped patches already applied (SPI+thermal)
>    - added soc specific cci compatible (new binding patch + changed dts)
>    - enable 2g5 phy because driver is now merged
>    - add patch for cleaning up unnecessary pins
>    - add patch for gpio-leds
>    - add patch for adding ethernet aliases
> 
> v2:
>    - change reg to list of items in eth binding
>    - changed mt7530 binding:
>      - unevaluatedProperties=false
>      - mediatek,pio subproperty
>      - from patternProperty to property
>    - board specific properties like led function and labels moved to bpi-r4 dtsi
> 
> Frank Wunderlich (13):
>    dt-bindings: net: mediatek,net: update mac subnode pattern for mt7988
>    dt-bindings: net: mediatek,net: allow up to 8 IRQs
>    dt-bindings: net: mediatek,net: allow irq names
>    dt-bindings: net: mediatek,net: add sram property
>    dt-bindings: net: dsa: mediatek,mt7530: add dsa-port definition for
>      mt7988
>    dt-bindings: net: dsa: mediatek,mt7530: add internal mdio bus
>    arm64: dts: mediatek: mt7986: add sram node
>    arm64: dts: mediatek: mt7986: add interrupts for RSS and interrupt
>      names
>    arm64: dts: mediatek: mt7988: add basic ethernet-nodes
>    arm64: dts: mediatek: mt7988: add switch node
>    arm64: dts: mediatek: mt7988a-bpi-r4: add aliases for ethernet
>    arm64: dts: mediatek: mt7988a-bpi-r4: add sfp cages and link to gmac
>    arm64: dts: mediatek: mt7988a-bpi-r4: configure switch phys and leds
> 
>   .../bindings/net/dsa/mediatek,mt7530.yaml     |  24 +-
>   .../devicetree/bindings/net/mediatek,net.yaml |  64 +++-
>   arch/arm64/boot/dts/mediatek/mt7986a.dtsi     |  20 +-
>   .../mediatek/mt7988a-bananapi-bpi-r4-2g5.dts  |  11 +
>   .../dts/mediatek/mt7988a-bananapi-bpi-r4.dts  |  19 ++
>   .../dts/mediatek/mt7988a-bananapi-bpi-r4.dtsi |  86 ++++++
>   arch/arm64/boot/dts/mediatek/mt7988a.dtsi     | 285 +++++++++++++++++-
>   7 files changed, 497 insertions(+), 12 deletions(-)
> 