[PATCH V2 0/6] pinctrl: support platform (e.g. DT) stored pins, groups & functions

Rafał Miłecki zajec5 at gmail.com
Wed Nov 24 15:04:33 PST 2021


From: Rafał Miłecki <rafal at milecki.pl>

Two weeks ago I sent
[PATCH RFC] dt-bindings: pinctrl: support specifying pins
https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20211110231436.8866-1-zajec5@gmail.com/

and week ago I sent
[PATCH 0/5] pinctrl: allow storing pins, groups & functions in DT
https://patchwork.ozlabs.org/project/linux-gpio/list/?series=272685

Initially I planned to allow putting some pinctrl hw details in DT and
later that evolved into a slightly more generic API.

Again:
Please note it's about describing hardware elements and not actual
programming way. It may be used with pinctrl-single.c one day but it's
designed as a generic solution for data.

Patches 1-5 are for linux-pinctrl.git. Patch 6 I found worth including
as DT big example. It can go through Linus with Florian's Ack or I can
send it to Florian later.

Rafał Miłecki (6):
  dt-bindings: pinctrl: support specifying pins, groups & functions
  dt-bindings: pinctrl: brcm,ns-pinmux: extend example
  pinctrl: prepare API for reading pins, groups & functions
  pinctrl: support reading pins, groups & functions from DT
  pinctrl: bcm: pinctrl-ns: supoprt DT specified pins, groups &
    functions
  ARM: dts: BCM5301X: add pinctrl pins, groups & functions

 .../bindings/pinctrl/brcm,ns-pinmux.yaml      |  24 +++-
 .../devicetree/bindings/pinctrl/pinctrl.yaml  |  40 ++++++
 arch/arm/boot/dts/bcm4709.dtsi                |  67 +++++++++
 arch/arm/boot/dts/bcm47094.dtsi               |  11 +-
 arch/arm/boot/dts/bcm5301x.dtsi               | 109 +++++++++++++++
 drivers/pinctrl/bcm/pinctrl-ns.c              |  90 ++++++++----
 drivers/pinctrl/core.c                        |  18 +++
 drivers/pinctrl/core.h                        |   4 +
 drivers/pinctrl/devicetree.c                  | 131 ++++++++++++++++++
 drivers/pinctrl/devicetree.h                  |  29 ++++
 drivers/pinctrl/pinmux.c                      |  10 ++
 drivers/pinctrl/pinmux.h                      |   2 +
 12 files changed, 494 insertions(+), 41 deletions(-)

-- 
2.31.1




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