RE: [PATCH V2 0/4] soc: imx: add i.MX BLK-CTL support

From: Peng Fan
Date: Fri Apr 30 2021 - 02:19:47 EST


> Subject: [PATCH V2 0/4] soc: imx: add i.MX BLK-CTL support
>
> From: Peng Fan <peng.fan@xxxxxxx>
>
> V2:
> Fix yaml check failure

Forget the address Jacky's comments on patch 3,4 in V1.
Will send V3 to add fix.

Thanks,
Peng.

>
> 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.
>
> 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 | 73 +++++
> drivers/soc/imx/Makefile | 2 +-
> drivers/soc/imx/blk-ctl-imx8mm.c | 138 ++++++++
> drivers/soc/imx/blk-ctl.c | 303
> ++++++++++++++++++
> drivers/soc/imx/blk-ctl.h | 76 +++++
> include/dt-bindings/power/imx8mm-power.h | 11 +
> 6 files changed, 602 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
>
> --
> 2.30.0