[PATCH v3 0/9] Add Reset Controller support for Actions Semi Owl SoCs

Manivannan Sadhasivam
2018-08-30T03:19:33Z

On Fri, Aug 10, 2018 at 03:21:04PM +0530, Manivannan Sadhasivam wrote:
> This patchset adds Reset Controller (RMU) support for Actions Semi
> Owl SoCs, S900 and S700. For the Owl SoCs, RMU has been integrated into
> the clock subsystem in hardware. Hence, in software we integrate RMU
> support into common clock driver inorder to maintain compatibility. The
> syscon approach is not taken into account based on the review by Rob.
>
> This patch series depends on the recently posted S700 clk series:
> "[PATCH v7 0/5] Add clock driver for Actions S700 SoC". For the S700 clk
> series, driver and bindings patches are applied through the clk tree.
> But the DTS patches are not yet picked up by the platform maintainer,
> Andreas.
>
> Hence, Andreas is expected to pick the DTS patches in this series once
> reviewed by the maintainers along with S700 clk DTS patches.
>
> Because of the absence of the S500 SoC clk support, the reset controller
> registration code is added to both S700 and S900 SoC clk drivers for now.
> But once S500 clk support is added, the reset controller registration part
> will be moved to Owl SoCs common clk code.
>

Hi Pavel,

Just a ping on this patchset!

Thanks,
Mani

> Thanks,
> Mani
>
> Changes in v3:
>
> * Reverted back the syscon approach based on the review by Rob Herring
> * Dropped the MAINTAINERS patch
> * Converted reset_map struct definitions to const based on the review by
> Philipp
> * Fixed S700 header in DT spotted by Parthiban
> * Added Reviewed-by tags from Rob for 3 bindings patches
>
> Changes in v2:
>
> * Converted the CMU and RMU drivers to syscon for a more cleaner
> approach
> * Declared the owl_reset_map structs to const
> * Used regmap_update_bits instead of a combined regmap_read and write
> * Removed unused headers in RMU drivers
> * Added MAINTAINERS entry for the RMU driver and bindings
>
> Manivannan Sadhasivam (9):
> clk: actions: Cache regmap info in private clock descriptor
> dt-bindings: clock: Add reset controller bindings for Actions Semi Owl
> SoCs
> dt-bindings: reset: Add binding constants for Actions Semi S700 RMU
> dt-bindings: reset: Add binding constants for Actions Semi S900 RMU
> arm64: dts: actions: Add Reset Controller support for S700 SoC
> arm64: dts: actions: Add Reset Controller support for S900 SoC
> clk: actions: Add Actions Semi Owl SoCs Reset Management Unit support
> clk: actions: Add Actions Semi S700 SoC Reset Management Unit support
> clk: actions: Add Actions Semi S900 SoC Reset Management Unit support
>
> .../bindings/clock/actions,owl-cmu.txt | 2 +
> arch/arm64/boot/dts/actions/s700.dtsi | 2 +
> arch/arm64/boot/dts/actions/s900.dtsi | 2 +
> drivers/clk/actions/Kconfig | 1 +
> drivers/clk/actions/Makefile | 1 +
> drivers/clk/actions/owl-common.c | 3 +-
> drivers/clk/actions/owl-common.h | 5 +-
> drivers/clk/actions/owl-reset.c | 66 ++++++++++++++
> drivers/clk/actions/owl-reset.h | 31 +++++++
> drivers/clk/actions/owl-s700.c | 55 +++++++++++-
> drivers/clk/actions/owl-s900.c | 86 ++++++++++++++++++-
> .../dt-bindings/reset/actions,s700-reset.h | 34 ++++++++
> .../dt-bindings/reset/actions,s900-reset.h | 65 ++++++++++++++
> 13 files changed, 347 insertions(+), 6 deletions(-)
> create mode 100644 drivers/clk/actions/owl-reset.c
> create mode 100644 drivers/clk/actions/owl-reset.h
> create mode 100644 include/dt-bindings/reset/actions,s700-reset.h
> create mode 100644 include/dt-bindings/reset/actions,s900-reset.h
>
> --
> 2.17.1
>