[PATCH v4 1/2] dt: cpufreq: st: Provide bindings for ST's CPUFreq implementation
Viresh Kumar
viresh.kumar at linaro.org
Mon Jul 27 19:23:08 PDT 2015
On 27-07-15, 16:20, Lee Jones wrote:
> Cc: devicetree at vger.kernel.org
> Signed-off-by: Lee Jones <lee.jones at linaro.org>
> ---
>
> Changelog:
> - Using OPP-v2
> - Moved (and linked) a bunch of documentation to ../power/
>
> .../devicetree/bindings/cpufreq/cpufreq-st.txt | 40 ++++++++++++++++++++++
> 1 file changed, 40 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-st.txt
>
> diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-st.txt b/Documentation/devicetree/bindings/cpufreq/cpufreq-st.txt
> new file mode 100644
> index 0000000..79add9d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-st.txt
> @@ -0,0 +1,40 @@
> +Binding for ST's CPUFreq driver
> +===============================
> +
> +Frequency Scaling only
> +----------------------
> +
> +Located in CPU's node:
> +
> +- operating-points : [See: ../power/opp.txt]
> +
> +Example [safe]
> +--------------
> +
> +cpus {
> + cpu at 0 {
> + /* kHz uV */
> + operating-points = <1500000 0
> + 1200000 0
> + 800000 0
> + 500000 0>;
> + };
> +};
> +
> +Dynamic Voltage and Frequency Scaling (DVFS)
> +--------------------------------------------
> +
> +Located in CPU's node:
> +
> +- operating-points-v2-sti : [See ../power/opp-st.txt]
> +
> +Example [unsafe]
> +----------------
> +
> +cpus {
> + cpu at 0 {
> + operating-points-v2 = <[OPP list phandle]>;
> + };
> +};
> +
> +For an example of an OPP list, see ../power/opp-st.txt.
I don't think you need this file/patch at all.. It is almost blank and
doesn't define a binding. And so there is no need to specify this at
all. Just an OPP binding file is enough.
--
viresh
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