[PATCH v2 1/4] reset: stih407: Add softreset, powerdown and picophy controllers
Lee Jones
lee.jones at linaro.org
Wed Jul 2 08:40:59 PDT 2014
On Wed, 02 Jul 2014, Peter Griffin wrote:
> This patch adds softreset, powerdown and picophy reset controllers for
> the STiH407 SoC.
>
> With this patch three new devices are registered: -
> 1. st,stih407-powerdown
> 2. st,stih407-softreset
> 3. st,stih407-picophyreset
>
> All three devices use system configuration registers mapped via regmap to
> perform the reset or powerdown. The powerdown controller also has
> an acknowledgement.
>
> A separate picophy reset controller manages the different reset channels within
> the picophy, which have a different polarity to the other system softresets.
> Managing these different picophy softreset channels is necessary to correctly
> handle resuming from suspend when USB2 devices are plugged into the USB3 port.
>
> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro at st.com>
> Signed-off-by: Peter Griffin <peter.griffin at linaro.org>
> ---
> drivers/reset/sti/Kconfig | 4 +
> drivers/reset/sti/Makefile | 1 +
> drivers/reset/sti/reset-stih407.c | 158 +++++++++++++++++++++
> .../dt-bindings/reset-controller/stih407-resets.h | 61 ++++++++
> 4 files changed, 224 insertions(+)
> create mode 100644 drivers/reset/sti/reset-stih407.c
> create mode 100644 include/dt-bindings/reset-controller/stih407-resets.h
Looks good to me now:
Acked-by: Lee Jones <lee.jones at linaro.org>
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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