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SubjectRe: [PATCH v1 11/17] ARM: dts: tegra20: Add CPU Operating Performance Points
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 {
> + opp-microvolt = <750000 750000 1125000>;
> + };
> +
> + opp@216000000_800 {
> + opp-microvolt = <800000 800000 1125000>;
> + };
> +
> + opp@312000000_750 {
> + opp-microvolt = <750000 750000 1125000>;
> + };
> +
> + opp@312000000_800 {
> + opp-microvolt = <800000 800000 1125000>;
> + };
> +
> + opp@456000000_750 {
> + opp-microvolt = <750000 750000 1125000>;
> + };
> +
> + opp@456000000_800 {
> + opp-microvolt = <800000 800000 1125000>;
> + };
> +
> + opp@456000000_800_2_2 {
> + opp-microvolt = <800000 800000 1125000>;
> + };
> +
> + opp@456000000_800_3_2 {
> + opp-microvolt = <800000 800000 1125000>;
> + };
> +
> + opp@456000000_825 {
> + opp-microvolt = <825000 825000 1125000>;
> + };
> +
> + opp@608000000_750 {
> + opp-microvolt = <750000 750000 1125000>;
> + };
> +
> + opp@608000000_800 {
> + opp-microvolt = <800000 800000 1125000>;
> + };
> +
> + opp@608000000_800_3_2 {
> + opp-microvolt = <800000 800000 1125000>;
> + };
> +
> + opp@608000000_825 {
> + opp-microvolt = <825000 825000 1125000>;
> + };
> +
> + opp@608000000_850 {
> + opp-microvolt = <850000 850000 1125000>;
> + };
> +
> + opp@608000000_900 {
> + opp-microvolt = <900000 900000 1125000>;
> + };
> +
> + opp@760000000_775 {
> + opp-microvolt = <775000 775000 1125000>;
> + };
> +
> + opp@760000000_800 {
> + opp-microvolt = <800000 800000 1125000>;
> + };
> +
> + opp@760000000_850 {
> + opp-microvolt = <850000 850000 1125000>;
> + };
> +
> + opp@760000000_875 {
> + opp-microvolt = <875000 875000 1125000>;
> + };
> +
> + opp@760000000_875_1_1 {
> + opp-microvolt = <875000 875000 1125000>;
> + };
> +
> + opp@760000000_875_0_2 {
> + opp-microvolt = <875000 875000 1125000>;
> + };
> +
> + opp@760000000_875_1_2 {
> + opp-microvolt = <875000 875000 1125000>;
> + };
> +
> + opp@760000000_900 {
> + opp-microvolt = <900000 900000 1125000>;
> + };
> +
> + opp@760000000_975 {
> + opp-microvolt = <975000 975000 1125000>;
> + };
> +
> + opp@816000000_800 {
> + opp-microvolt = <800000 800000 1125000>;
> + };
> +
> + opp@816000000_850 {
> + opp-microvolt = <850000 850000 1125000>;
> + };
> +
> + opp@816000000_875 {
> + opp-microvolt = <875000 875000 1125000>;
> + };
> +
> + opp@816000000_950 {
> + opp-microvolt = <950000 950000 1125000>;
> + };
> +
> + opp@816000000_1000 {
> + opp-microvolt = <1000000 1000000 1125000>;
> + };
> +
> + opp@912000000_850 {
> + opp-microvolt = <850000 850000 1125000>;
> + };
> +
> + opp@912000000_900 {
> + opp-microvolt = <900000 900000 1125000>;
> + };
> +
> + opp@912000000_925 {
> + opp-microvolt = <925000 925000 1125000>;
> + };
> +
> + opp@912000000_950 {
> + opp-microvolt = <950000 950000 1125000>;
> + };
> +
> + opp@912000000_950_0_2 {
> + opp-microvolt = <950000 950000 1125000>;
> + };
> +
> + opp@912000000_950_2_2 {
> + opp-microvolt = <950000 950000 1125000>;
> + };
> +
> + opp@912000000_1000 {
> + opp-microvolt = <1000000 1000000 1125000>;
> + };
> +
> + opp@912000000_1050 {
> + opp-microvolt = <1050000 1050000 1125000>;
> + };
> +
> + opp@1000000000_875 {
> + opp-microvolt = <875000 875000 1125000>;
> + };
> +
> + opp@1000000000_900 {
> + opp-microvolt = <900000 900000 1125000>;
> + };
> +
> + opp@1000000000_950 {
> + opp-microvolt = <950000 950000 1125000>;
> + };
> +
> + opp@1000000000_975 {
> + opp-microvolt = <975000 975000 1125000>;
> + };
> +
> + opp@1000000000_1000 {
> + opp-microvolt = <1000000 1000000 1125000>;
> + };
> +
> + opp@1000000000_1000_0_2 {
> + opp-microvolt = <1000000 1000000 1125000>;
> + };
> +
> + opp@1000000000_1025 {
> + opp-microvolt = <1025000 1025000 1125000>;
> + };
> +
> + opp@1000000000_1100 {
> + opp-microvolt = <1100000 1100000 1125000>;
> + };
> +
> + opp@1200000000_1000 {
> + opp-microvolt = <1000000 1000000 1125000>;
> + };
> +
> + opp@1200000000_1050 {
> + opp-microvolt = <1050000 1050000 1125000>;
> + };
> +
> + opp@1200000000_1100 {
> + opp-microvolt = <1100000 1100000 1125000>;
> + };
> +
> + opp@1200000000_1125 {
> + opp-microvolt = <1125000 1125000 1125000>;
> + };
> + };
> +};
> diff --git a/arch/arm/boot/dts/tegra20-cpu-opp.dtsi b/arch/arm/boot/dts/tegra20-cpu-opp.dtsi
> new file mode 100644
> index 000000000000..c878f4231791
> --- /dev/null
> +++ b/arch/arm/boot/dts/tegra20-cpu-opp.dtsi
> @@ -0,0 +1,302 @@
> +// SPDX-License-Identifier: GPL-2.0
> +
> +/ {
> + cpu0_opp_table: cpu_opp_table0 {
> + compatible = "operating-points-v2";
> + opp-shared;
> +
> + opp@216000000_750 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x0F 0x0003>;
> + opp-hz = /bits/ 64 <216000000>;
> + };
> +
> + opp@216000000_800 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x0F 0x0004>;
> + opp-hz = /bits/ 64 <216000000>;
> + };
> +
> + opp@312000000_750 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x0F 0x0003>;
> + opp-hz = /bits/ 64 <312000000>;
> + };
> +
> + opp@312000000_800 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x0F 0x0004>;
> + opp-hz = /bits/ 64 <312000000>;
> + };
> +
> + opp@456000000_750 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x0C 0x0003>;
> + opp-hz = /bits/ 64 <456000000>;
> + };
> +
> + opp@456000000_800 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x03 0x0006>;
> + opp-hz = /bits/ 64 <456000000>;
> + };
> +
> + opp@456000000_800_2_2 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0004>;
> + opp-hz = /bits/ 64 <456000000>;
> + };
> +
> + opp@456000000_800_3_2 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x08 0x0004>;
> + opp-hz = /bits/ 64 <456000000>;
> + };
> +
> + opp@456000000_825 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x03 0x0001>;
> + opp-hz = /bits/ 64 <456000000>;
> + };
> +
> + opp@608000000_750 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x08 0x0003>;
> + opp-hz = /bits/ 64 <608000000>;
> + };
> +
> + opp@608000000_800 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0006>;
> + opp-hz = /bits/ 64 <608000000>;
> + };
> +
> + opp@608000000_800_3_2 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x08 0x0004>;
> + opp-hz = /bits/ 64 <608000000>;
> + };
> +
> + opp@608000000_825 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0001>;
> + opp-hz = /bits/ 64 <608000000>;
> + };
> +
> + opp@608000000_850 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x03 0x0006>;
> + opp-hz = /bits/ 64 <608000000>;
> + };
> +
> + opp@608000000_900 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x03 0x0001>;
> + opp-hz = /bits/ 64 <608000000>;
> + };
> +
> + opp@760000000_775 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x08 0x0003>;
> + opp-hz = /bits/ 64 <760000000>;
> + };
> +
> + opp@760000000_800 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x08 0x0004>;
> + opp-hz = /bits/ 64 <760000000>;
> + };
> +
> + opp@760000000_850 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0006>;
> + opp-hz = /bits/ 64 <760000000>;
> + };
> +
> + opp@760000000_875 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0001>;
> + opp-hz = /bits/ 64 <760000000>;
> + };
> +
> + opp@760000000_875_1_1 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x02 0x0002>;
> + opp-hz = /bits/ 64 <760000000>;
> + };
> +
> + opp@760000000_875_0_2 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x01 0x0004>;
> + opp-hz = /bits/ 64 <760000000>;
> + };
> +
> + opp@760000000_875_1_2 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x02 0x0004>;
> + opp-hz = /bits/ 64 <760000000>;
> + };
> +
> + opp@760000000_900 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x01 0x0002>;
> + opp-hz = /bits/ 64 <760000000>;
> + };
> +
> + opp@760000000_975 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x03 0x0001>;
> + opp-hz = /bits/ 64 <760000000>;
> + };
> +
> + opp@816000000_800 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x08 0x0007>;
> + opp-hz = /bits/ 64 <816000000>;
> + };
> +
> + opp@816000000_850 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0002>;
> + opp-hz = /bits/ 64 <816000000>;
> + };
> +
> + opp@816000000_875 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0005>;
> + opp-hz = /bits/ 64 <816000000>;
> + };
> +
> + opp@816000000_950 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x03 0x0006>;
> + opp-hz = /bits/ 64 <816000000>;
> + };
> +
> + opp@816000000_1000 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x03 0x0001>;
> + opp-hz = /bits/ 64 <816000000>;
> + };
> +
> + opp@912000000_850 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x08 0x0007>;
> + opp-hz = /bits/ 64 <912000000>;
> + };
> +
> + opp@912000000_900 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0002>;
> + opp-hz = /bits/ 64 <912000000>;
> + };
> +
> + opp@912000000_925 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0001>;
> + opp-hz = /bits/ 64 <912000000>;
> + };
> +
> + opp@912000000_950 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x02 0x0006>;
> + opp-hz = /bits/ 64 <912000000>;
> + };
> +
> + opp@912000000_950_0_2 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x01 0x0004>;
> + opp-hz = /bits/ 64 <912000000>;
> + };
> +
> + opp@912000000_950_2_2 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0004>;
> + opp-hz = /bits/ 64 <912000000>;
> + };
> +
> + opp@912000000_1000 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x01 0x0002>;
> + opp-hz = /bits/ 64 <912000000>;
> + };
> +
> + opp@912000000_1050 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x03 0x0001>;
> + opp-hz = /bits/ 64 <912000000>;
> + };
> +
> + opp@1000000000_875 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x08 0x0007>;
> + opp-hz = /bits/ 64 <1000000000>;
> + };
> +
> + opp@1000000000_900 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0002>;
> + opp-hz = /bits/ 64 <1000000000>;
> + };
> +
> + opp@1000000000_950 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0004>;
> + opp-hz = /bits/ 64 <1000000000>;
> + };
> +
> + opp@1000000000_975 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0001>;
> + opp-hz = /bits/ 64 <1000000000>;
> + };
> +
> + opp@1000000000_1000 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x02 0x0006>;
> + opp-hz = /bits/ 64 <1000000000>;
> + };
> +
> + opp@1000000000_1000_0_2 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x01 0x0004>;
> + opp-hz = /bits/ 64 <1000000000>;
> + };
> +
> + opp@1000000000_1025 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x01 0x0002>;
> + opp-hz = /bits/ 64 <1000000000>;
> + };
> +
> + opp@1000000000_1100 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x03 0x0001>;
> + opp-hz = /bits/ 64 <1000000000>;
> + };
> +
> + opp@1200000000_1000 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x08 0x0004>;
> + opp-hz = /bits/ 64 <1200000000>;
> + };
> +
> + opp@1200000000_1050 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x04 0x0004>;
> + opp-hz = /bits/ 64 <1200000000>;
> + };
> +
> + opp@1200000000_1100 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x02 0x0004>;
> + opp-hz = /bits/ 64 <1200000000>;
> + };
> +
> + opp@1200000000_1125 {
> + clock-latency-ns = <400000>;
> + opp-supported-hw = <0x01 0x0004>;
> + opp-hz = /bits/ 64 <1200000000>;
> + };
> + };
> +};

Acked-by: Viresh Kumar <viresh.kumar@linaro.org>

--
viresh

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