Re: [PATCH v4 2/3] dt-bindings: remoteproc: qcom: Convert SC7280 MSS bindings to YAML

From: Stephen Boyd
Date: Fri May 20 2022 - 16:10:38 EST


Quoting Sibi Sankar (2022-05-20 11:46:58)
> On 5/20/22 4:05 AM, Stephen Boyd wrote:
> > Quoting Sibi Sankar (2022-05-19 09:47:04)
> >> diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-mss-pil.yaml b/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-mss-pil.yaml
> >> new file mode 100644
> >> index 000000000000..a936d84eefa6
> >> --- /dev/null
> >> +++ b/Documentation/devicetree/bindings/remoteproc/qcom,sc7280-mss-pil.yaml
> >> + resets = <&aoss_reset AOSS_CC_MSS_RESTART>,
> >> + <&pdc_reset PDC_MODEM_SYNC_RESET>;
> >> + reset-names = "mss_restart", "pdc_reset";
> >> +
> >> + qcom,halt-regs = <&tcsr_mutex 0x23000 0x25000 0x28000 0x33000>;
> >> + qcom,ext-regs = <&tcsr 0x10000 0x10004 &tcsr_mutex 0x26004 0x26008>;
> >
> > Because it's two items I'd expect:
> >
> > <&tcsr 0x10000 0x10004>, <&tcsr_mutex 0x26004 0x26008>;
>
> I guess both the ways work since the driver uses
> of_parse_phandle_with_fixed_args.

See commit 39bd2b6a3783 ("dt-bindings: Improve phandle-array schemas")
for why the way you have it is not preferred.