linux-kernel - Re: [PATCH] mfd: Add Freescale i.MX8qxp Control and Status Registers (CSR) module driver

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Date:   Thu, 06 Oct 2022 11:21:51 +0800
From:   Liu Ying <victor.liu@....com>
To:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     lee.jones@...aro.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com
Subject: Re: [PATCH] mfd: Add Freescale i.MX8qxp Control and Status
 Registers (CSR) module driver

On Sun, 2022-08-14 at 16:04 +0800, Liu Ying wrote:
> Freescale i.MX8qxp Control and Status Registers (CSR) module is a
> system
> controller. It represents a set of miscellaneous registers of a
> specific
> subsystem. It may provide control and/or status report interfaces to
> a
> mix of standalone hardware devices within that subsystem.
> 
> The CSR module in i.MX8qm/qxp SoCs is a child node of a simple power-
> managed
> bus(i.MX8qxp pixel link MSI bus). To propagate power management
> operations
> of the CSR module's child devices to that simple power-managed bus,
> add a
> dedicated driver for the CSR module. Also, the driver would populate
> the CSR
> module's child devices.
> 
> Signed-off-by: Liu Ying <victor.liu@....com>
> ---
> The Freescale i.MX8qxp CSR DT bindings is at
> Documentation/devicetree/bindings/mfd/fsl,imx8qxp-csr.yaml.
> 
>  drivers/mfd/Kconfig           | 10 +++++++
>  drivers/mfd/Makefile          |  1 +
>  drivers/mfd/fsl-imx8qxp-csr.c | 53
> +++++++++++++++++++++++++++++++++++
>  3 files changed, 64 insertions(+)
>  create mode 100644 drivers/mfd/fsl-imx8qxp-csr.c
> 

Gentle ping...

Regards,
Liu Ying