linux-kernel - [PATCH 00/11] soc: ti: wkup_m3_ipc: support vtt toggle, io isolation & voltage scaling

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Date:   Sat, 19 Feb 2022 13:53:17 -0800
From:   Drew Fustini <dfustini@...libre.com>
To:     Benoît Cousson <bcousson@...libre.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Dave Gerlach <d-gerlach@...com>, devicetree@...r.kernel.org,
        Drew Fustini <dfustini@...libre.com>,
        Keerthy <j-keerthy@...com>, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-remoteproc@...r.kernel.org,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Nishanth Menon <nm@...com>, Rob Herring <robh+dt@...nel.org>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Tony Lindgren <tony@...mide.com>, s-anna@...com,
        khilman@...libre.com
Subject: [PATCH 00/11] soc: ti: wkup_m3_ipc: support vtt toggle, io isolation & voltage scaling

Improve the wkup_m3_ipc driver to better support the TI Wakeup Cortex M3 
device found on TI AM33xx and AM43xx SoCs.

This series derives from these commits in the ti-linux-5.10.y branch of
the TI Linux repo [1]:

  6ab4eff1034b ("remoteproc: move rproc_da_to_va declaration to remoteproc.h")
  2a9be39a26f7 ("dt-bindings: wkup_m3_ipc: Add vtt toggling bindings")
  c65263f9e12c ("wkup_m3_ipc: Add support for toggling VTT regulator")
  5c6c821803e1 ("dt-bindings: wkup_m3_ipc: Add ti,io-isolation property")
  196c46f7577d ("wkup_m3_ipc: Add support for IO Isolation")
  c28acc847e5d ("soc: ti: wkup_m3_ipc: Add support for i2c voltage scaling")
  a4f9ef4ab5ca ("ARM: dts: am437x-gp-evm: Enable wkup_m3 control of IO isolation")
  94de756f1771 ("ARM: dts: am33xx: Add scale data fw to wkup_m3_ipc node")
  b7ae4b063793 ("ARM: dts: am43xx: Add scale data fw to wkup_m3_ipc node")
  451ec7871ae7 ("soc: ti: wkup_m3_ipc: Add debug option to halt m3 in suspend")

Minor changes have been made to some patches to resolve conflicts and 
to split i2c voltage scaling dt-bindings into separate patch.

[1] git://git.ti.com/ti-linux-kernel/ti-linux-kernel.git

Dave Gerlach (10):
  dt-bindings: wkup_m3_ipc: Add vtt toggling bindings
  soc: ti: wkup_m3_ipc: Add support for toggling VTT regulator
  dt-bindings: wkup_m3_ipc: Add ti,io-isolation property
  soc: ti: wkup_m3_ipc: Add support for IO Isolation
  ARM: dts: am437x-gp-evm: Enable wkup_m3 control of IO isolation
  dt-bindings: wkup_m3_ipc: Add scale-data-fw property
  soc: ti: wkup_m3_ipc: Add support for i2c voltage scaling
  ARM: dts: am33xx: Add scale data fw to wkup_m3_ipc node
  ARM: dts: am43xx: Add scale data fw to wkup_m3_ipc node
  soc: ti: wkup_m3_ipc: Add debug option to halt m3 in suspend

Suman Anna (1):
  remoteproc: move rproc_da_to_va declaration to remoteproc.h

 .../bindings/soc/ti/wkup_m3_ipc.txt           |  91 ++++++++
 arch/arm/boot/dts/am335x-bone-common.dtsi     |   4 +
 arch/arm/boot/dts/am335x-evm.dts              |   4 +
 arch/arm/boot/dts/am335x-evmsk.dts            |   4 +
 arch/arm/boot/dts/am437x-gp-evm.dts           |   5 +
 arch/arm/boot/dts/am437x-sk-evm.dts           |   4 +
 arch/arm/boot/dts/am43x-epos-evm.dts          |   4 +
 drivers/remoteproc/remoteproc_internal.h      |   1 -
 drivers/soc/ti/wkup_m3_ipc.c                  | 208 +++++++++++++++++-
 include/linux/remoteproc.h                    |   1 +
 include/linux/wkup_m3_ipc.h                   |  13 ++
 11 files changed, 334 insertions(+), 5 deletions(-)

-- 
2.32.0