Re: [PATCH v1 11/17] ARM: dts: tegra20: Add CPU Operating Performance Points

Viresh Kumar
2019-10-16T05:23:28Z

On 16-10-19, 00:16, Dmitry Osipenko wrote:
> Operating Point are specified per HW version. The OPP voltages are kept
> in a separate DTSI file because some boards may not define CPU regulator
> in their device-tree if voltage scaling isn't necessary, like for example
> in a case of tegra20-trimslice which is outlet-powered device.
>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
> .../boot/dts/tegra20-cpu-opp-microvolt.dtsi | 201 ++++++++++++
> arch/arm/boot/dts/tegra20-cpu-opp.dtsi | 302 ++++++++++++++++++
> 2 files changed, 503 insertions(+)
> create mode 100644 arch/arm/boot/dts/tegra20-cpu-opp-microvolt.dtsi
> create mode 100644 arch/arm/boot/dts/tegra20-cpu-opp.dtsi
>
> diff --git a/arch/arm/boot/dts/tegra20-cpu-opp-microvolt.dtsi b/arch/arm/boot/dts/tegra20-cpu-opp-microvolt.dtsi
> new file mode 100644
> index 000000000000..e85ffdbef876
> --- /dev/null
> +++ b/arch/arm/boot/dts/tegra20-cpu-opp-microvolt.dtsi
> @@ -0,0 +1,201 @@
> +// SPDX-License-Identifier: GPL-2.0
> +
> +/ {
> + cpu0_opp_table: cpu_opp_table0 {
> + opp@216000000_750 {

Maybe just drop the _750 (i.e. voltage) from the names as we don't generally
follow it :)

> + opp-microvolt = <750000 750000 1125000>;
> + };

--
viresh