Add MTU3 core/counter driver support for RZ/G2L alike SoCs

-----Original Message-----
From: [email protected] <[email protected]> On Behalf Of Biju Das via lists.cip-project.org
Sent: Tuesday, June 6, 2023 8:52 AM
To: [email protected]; Nobuhiro Iwamatsu <[email protected]>; Pavel Machek <[email protected]>
Cc: Chris Paterson <[email protected]>; Biju Das <[email protected]>; Prabhakar Mahadev Lad <prabhakar.mahadev- [email protected]>
Subject: [cip-dev] [PATCH 6.1.y-cip 0/8] Add MTU3 core/counter driver support for RZ/G2L alike SoCs

This patch series aims to add MTU3 core/counter driver support for RZ/G2L alike SoCs.

All these patches are cherry-picked from the mainline.

It is tested with Rotary encoder[1]
[1]
https://www.mous/
er.co.uk%2FProductDetail%2FAlps- Alpine%2FEC11E15244B2%3Fqs%3Dm0BA540hBPfDpUEkDmFV5A%253D%253D&data=05%7C01 %7Cbiju.das.jz%40bp.renesas.com%7C3f20076914c54730e85108db66630357%7C53d82 571da1947e49cb4625a166a4a2a%7C0%7C0%7C638216347664195285%7CUnknown%7CTWFpb GZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D% 7C3000%7C%7C%7C&sdata=pRx27j4b4tT4IRdGTaMDBLynFPCujwxAQnRnMNbYicU%3D&reser ved=0

Biju Das (8):
clk: renesas: r9a07g044: Add MTU3a clock and reset entry
dt-bindings: timer: Document RZ/G2L MTU3a bindings
mfd: Add Renesas RZ/G2L MTU3a core driver
Documentation: ABI: sysfs-bus-counter: add cascade_counts_enable and
external_input_phase_clock_select
counter: Add Renesas RZ/G2L MTU3a counter driver
MAINTAINERS: Add entries for Renesas RZ/G2L MTU3a counter driver
arm64: dts: renesas: r9a07g044: Add MTU3a node
arm64: dts: renesas: r9a07g054: Add MTU3a node

 Documentation/ABI/testing/sysfs-bus-counter   |  32 +
 .../bindings/timer/renesas,rz-mtu3.yaml       | 302 ++++++
 MAINTAINERS                                   |   8 +
 arch/arm64/boot/dts/renesas/r9a07g044.dtsi    |  70 ++
 arch/arm64/boot/dts/renesas/r9a07g054.dtsi    |  70 ++
 drivers/clk/renesas/r9a07g044-cpg.c           |   5 +-
 drivers/counter/Kconfig                       |  11 +
 drivers/counter/Makefile                      |   1 +
 drivers/counter/rz-mtu3-cnt.c                 | 902 ++++++++++++++++++
 drivers/mfd/Kconfig                           |  10 +
 drivers/mfd/Makefile                          |   1 +
 drivers/mfd/rz-mtu3.c                         | 391 ++++++++
 drivers/mfd/rz-mtu3.h                         | 147 +++
 include/linux/mfd/rz-mtu3.h                   | 257 +++++
 14 files changed, 2206 insertions(+), 1 deletion(-)  create mode 100644
Documentation/devicetree/bindings/timer/renesas,rz-mtu3.yaml
 create mode 100644 drivers/counter/rz-mtu3-cnt.c  create mode 100644

drivers/mfd/rz-mtu3.c create mode 100644 drivers/mfd/rz-mtu3.h create mode 100644 include/linux/mfd/rz-mtu3.h

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2.25.1