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SubjectRe: [PATCH V4 0/4] soc: imx: add i.MX BLK-CTL support
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On 10.05.21 06:07, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@nxp.com>
>
> V4:
> Add R-b tag
> Typo fix
> Update the power domain macro names Per Abel and Frieder
>
> V3:
> Add explaination for not listing items in patch 2 commit log Per Rob.
> Addressed comments from Lucas and Frieder on patch [3,4].
> A few comments from Jacky was ignored, because following gpcv2
> coding style.
>
> V2:
> Fix yaml check failure.
>
> Previously there is an effort from Abel that take BLK-CTL as clock
> provider, but it turns out that there is A/B lock issue and we are
> not able resolve that.
>
> Per discuss with Lucas and Jacky, we made an agreement that take BLK-CTL
> as a power domain provider and use GPC's domain as parent, the consumer
> node take BLK-CTL as power domain input.
>
> This patchset has been tested on i.MX8MM EVK board, but one hack
> is not included in the patchset is that the DISPMIX BLK-CTL
> MIPI_M/S_RESET not implemented. Per Lucas, we will finally have a MIPI
> DPHY driver, so fine to leave it.
>
> Thanks for Lucas's suggestion, Frieder Schrempf for collecting
> all the patches, Abel's previous BLK-CTL work, Jacky Bai on help
> debug issues.

I tested v3 of this patchset with our i.MX8MM hardware and additional patches for DSIM support:

Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de>

>
>
> Peng Fan (4):
> dt-bindings: power: Add defines for i.MX8MM BLK-CTL power domains
> Documentation: bindings: clk: Add bindings for i.MX BLK_CTL
> soc: imx: Add generic blk-ctl driver
> soc: imx: Add blk-ctl driver for i.MX8MM
>
> .../bindings/soc/imx/fsl,imx-blk-ctl.yaml | 66 ++++
> drivers/soc/imx/Makefile | 2 +-
> drivers/soc/imx/blk-ctl-imx8mm.c | 138 ++++++++
> drivers/soc/imx/blk-ctl.c | 307 ++++++++++++++++++
> drivers/soc/imx/blk-ctl.h | 77 +++++
> include/dt-bindings/power/imx8mm-power.h | 11 +
> 6 files changed, 600 insertions(+), 1 deletion(-)
> create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,imx-blk-ctl.yaml
> create mode 100644 drivers/soc/imx/blk-ctl-imx8mm.c
> create mode 100644 drivers/soc/imx/blk-ctl.c
> create mode 100644 drivers/soc/imx/blk-ctl.h
>

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