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

From: Peng Fan <peng.fan@nxp.com>
To: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>,
	"shawnguo@kernel.org" <shawnguo@kernel.org>,
	"s.hauer@pengutronix.de" <s.hauer@pengutronix.de>
Cc: "kernel@pengutronix.de" <kernel@pengutronix.de>,
	"festevam@gmail.com" <festevam@gmail.com>,
	dl-linux-imx <linux-imx@nxp.com>,
	"p.zabel@pengutronix.de" <p.zabel@pengutronix.de>,
	"l.stach@pengutronix.de" <l.stach@pengutronix.de>,
	"krzk@kernel.org" <krzk@kernel.org>,
	"agx@sigxcpu.org" <agx@sigxcpu.org>,
	"marex@denx.de" <marex@denx.de>,
	"andrew.smirnov@gmail.com" <andrew.smirnov@gmail.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Jacky Bai <ping.bai@nxp.com>,
	"frieder.schrempf@kontron.de" <frieder.schrempf@kontron.de>,
	"aford173@gmail.com" <aford173@gmail.com>,
	Abel Vesa <abel.vesa@nxp.com>
Subject: RE: [PATCH V2 0/4] soc: imx: add i.MX BLK-CTL support
Date: Fri, 30 Apr 2021 06:19:25 +0000	[thread overview]
Message-ID: <DB6PR0402MB27605E6DAECE069C12391FDD885E9@DB6PR0402MB2760.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20210430052746.10815-1-peng.fan@oss.nxp.com>

> Subject: [PATCH V2 0/4] soc: imx: add i.MX BLK-CTL support
> 
> From: Peng Fan <peng.fan@nxp.com>
> 
> 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

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