Re: [PATCH v4] reset: Add i.MX7 SRC reset driver

From: Rob Herring
Date: Mon Feb 27 2017 - 15:55:50 EST


On Tue, Feb 21, 2017 at 08:13:31AM -0800, Andrey Smirnov wrote:
> Add reset controller driver exposing various reset faculties,
> implemented by System Reset Controller IP block.
>
> Cc: Lucas Stach <l.stach@xxxxxxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> Signed-off-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
> ---
>
> Changes since v3 (see [v3]):
>
> - Convert code IMX7_RESET_PCIEPHY to change G_RST and BTNRST
> simultaneously to make all resets be representable as
> signal->bit in signal->offset register
>
> - Convert assert/deassert subroutines to be special cases of a
> common reset subroutine
>
> Changes since v2 (see [v2]):
>
> - Fix typos
>
> - Kconfig/Makefile chagnes account for alphabetical sorting of
> those files
>
> - Remove redundant includes
>
> - Make use of regmap_attach_dev and avoid storing refernce to
> struct *dev in private data
>
> - Change code and headers to expose almost all of the reset
> related bits in SRC IP block
>
> Changes since v1 (see [v1]):
>
> - Various small DT bindings description fixes as per feedback
> from Rob Herring
>
>
> [v1] https://lkml.org/lkml/2017/2/6/554
> [v2] https://lkml.org/lkml/2017/2/13/488
> [v3] https://lkml.org/lkml/2017/2/20/344
>
>
> .../devicetree/bindings/reset/fsl,imx7-src.txt | 47 ++++++

Acked-by: Rob Herring <robh@xxxxxxxxxx>

> drivers/reset/Kconfig | 8 ++
> drivers/reset/Makefile | 2 +
> drivers/reset/reset-imx7.c | 158 +++++++++++++++++++++
> include/dt-bindings/reset/imx7-reset.h | 62 ++++++++
> 5 files changed, 277 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/reset/fsl,imx7-src.txt
> create mode 100644 drivers/reset/reset-imx7.c
> create mode 100644 include/dt-bindings/reset/imx7-reset.h