| Message ID | 20210510040045.13225-9-peng.fan@oss.nxp.com |
|---|---|
| State | New |
| Headers | show |
| Series | soc: imx: gpcv2: support i.MX8MM | expand |
On Mon, 10 May 2021 12:00:40 +0800, Peng Fan (OSS) wrote: > From: Lucas Stach <l.stach@pengutronix.de> > > For some domains the resets of the devices in the domain are not > automatically triggered. Add an optional resets property to allow > the GPC driver to trigger those resets explicitly. > > The resets belong to devices located inside the power domain, > which need to be held in reset across the power-up sequence. So we > have no means to specify what each reset is in a generic power-domain > binding. Same situation as with the clocks in this binding actually. > > Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de> > Signed-off-by: Lucas Stach <l.stach@pengutronix.de> > Signed-off-by: Peng Fan <peng.fan@nxp.com> > --- > .../devicetree/bindings/power/fsl,imx-gpcv2.yaml | 10 ++++++++++ > 1 file changed, 10 insertions(+) > Reviewed-by: Rob Herring <robh@kernel.org>
diff --git a/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml b/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml index a96e6dbf1858..eb248f24dce6 100644 --- a/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml +++ b/Documentation/devicetree/bindings/power/fsl,imx-gpcv2.yaml @@ -66,6 +66,16 @@ properties: power-supply: true + resets: + description: | + A number of phandles to resets that need to be asserted during + power-up sequencing of the domain. The resets belong to devices + located inside the power domain, which need to be held in reset + across the power-up sequence. So no means to specify what each + reset is in a generic power-domain binding. + minItems: 1 + maxItems: 4 + required: - '#power-domain-cells' - reg