RE: [PATCH v2 1/2] dt-bindindgs: clock: support NXP i.MX95 BLK CTL module

From: Peng Fan
Date: Wed Feb 28 2024 - 02:54:33 EST


> Subject: Re: [PATCH v2 1/2] dt-bindindgs: clock: support NXP i.MX95 BLK CTL
> module
>
> On 28/02/2024 06:43, Peng Fan (OSS) wrote:
> > From: Peng Fan <peng.fan@xxxxxxx>
> >
> > i.MX95 includes BLK CTL module in several MIXes, such as VPU_CSR in
> > VPUMIX, BLK_CTRL_NETCMIX in NETCMIX, CAMERA_CSR in CAMERAMIX
> and etc.
> >
> > The BLK CTL module is used for various settings of a specific MIX,
> > such as clock, QoS and etc.
> >
> > This patch is to add some BLK CTL modules that has clock features.
>
> Please use subject prefixes matching the subsystem. You can get them for
> example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory your
> patch is touching.
>
> There are some typos, so you miss my filters...

Ah.. ok, will check more. Please ignore V3.

>
> >
> > Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
> > ---
> > .../devicetree/bindings/clock/imx95-blk-ctl.yaml | 61
> ++++++++++++++++++++++
> > include/dt-bindings/clock/nxp,imx95-clock.h | 32 ++++++++++++
> > 2 files changed, 93 insertions(+)
> >

[....]
>
> Filename like compatible. We talked about this.

ok, will use nxp,imx95-blk-ctl.yaml.
>
> > +$schema:
> > +https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdevi
> > +cetree.org%2Fmeta-
> schemas%2Fcore.yaml%23&data=05%7C02%7Cpeng.fan%40nx
> >
> +p.com%7Ca6ed8c5ca4a745204f0e08dc38313f37%7C686ea1d3bc2b4c6fa9
> 2cd99c5c
> >
> +301635%7C0%7C0%7C638447031362290549%7CUnknown%7CTWFpbGZs
> b3d8eyJWIjoiM
> >
> +C4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C0%7
> C%7C%7
> >
> +C&sdata=DWrWMkSOrl%2FfCdEf%2BcTFjunNM66q3hHkPFGCzk1%2FsHo%3
> D&reserved
> > +=0
> > +
> > +title: NXP i.MX95 Block Control
> > +
> > +maintainers:
> > + - Peng Fan <peng.fan@xxxxxxx>
> > +
> > +properties:
> > + compatible:
> > + items:
> > + - enum:
> > + - nxp,imx95-cameramix-csr
> > + - nxp,imx95-display-master-csr
> > + - nxp,imx95-dispmix-lvds-csr
> > + - nxp,imx95-dispmix-csr
> > + - nxp,imx95-netcmix-blk-ctrl
> > + - nxp,imx95-vpumix-csr
> > + - const: syscon
> > +
> > + reg:
> > + maxItems: 1
> > +
> > + power-domains:
> > + maxItems: 1
> > +
> > + clocks:
> > + maxItems: 1
> > +
> > + '#clock-cells':
> > + const: 1
> > + description:
> > + The clock consumer should specify the desired clock by having the
> clock
> > + ID in its "clocks" phandle cell. See
> > + include/dt-bindings/clock/nxp,imx95-clock.h
> > +
> > + mux-controller:
> > + type: object
> > + $ref: /schemas/mux/reg-mux.yaml
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - '#clock-cells'
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + # Clock Control Module node:
> > + - |
> > + #include <dt-bindings/clock/nxp,imx95-clock.h>
> > +
> > + syscon@4c410000 {
> > + compatible = "fsl,imx95-vpumix-csr", "syscon";
> > + reg = <0x4c410000 0x10000>;
> > + #clock-cells = <1>;
>
> Incomplete example. Add here mux controller and power domains.

ok. But since the power is managed by SCMI FW, and no
header such as nxp,imx95-power.h, so I will use the number,
such as <&scmi_devpd 0x5>.

Thanks,
Peng.
>
>
> Best regards,
> Krzysztof