diff options
| author | Duy Nguyen <duy.nguyen.rh@renesas.com> | 2024-02-01 17:19:20 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2024-02-22 13:03:32 +0300 |
| commit | 6bd8b0bc444eae5655dba1ec7de4e8b0e0822c5c (patch) | |
| tree | 5e73618aa4a01baa5877b734358cfc0119d54abe /arch/arm64/boot/dts/renesas | |
| parent | 4c1fd23a220dccaf4b8192d863997213af6e2c31 (diff) | |
| download | linux-6bd8b0bc444eae5655dba1ec7de4e8b0e0822c5c.tar.xz | |
arm64: dts: renesas: r8a779h0: Add CA76 operating points
Add operating points for running the Cortex-A76 CPU cores on R-Car V4M
at various speeds, up to the Normal (1.0 GHz).
Signed-off-by: Duy Nguyen <duy.nguyen.rh@renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/736b5836ec2b54e8b36712866309dc1b7ee1fc48.1706796979.git.geert+renesas@glider.be
Diffstat (limited to 'arch/arm64/boot/dts/renesas')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a779h0.dtsi | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi index 622775f6160f..4e9e487ec516 100644 --- a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi @@ -14,6 +14,22 @@ #address-cells = <2>; #size-cells = <2>; + cluster0_opp: opp-table-0 { + compatible = "operating-points-v2"; + opp-shared; + + opp-500000000 { + opp-hz = /bits/ 64 <500000000>; + opp-microvolt = <825000>; + clock-latency-ns = <500000>; + }; + opp-1000000000 { + opp-hz = /bits/ 64 <1000000000>; + opp-microvolt = <825000>; + clock-latency-ns = <500000>; + }; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -44,6 +60,7 @@ enable-method = "psci"; cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A779H0_CLK_ZC0>; + operating-points-v2 = <&cluster0_opp>; }; a76_1: cpu@100 { @@ -55,6 +72,7 @@ enable-method = "psci"; cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A779H0_CLK_ZC1>; + operating-points-v2 = <&cluster0_opp>; }; a76_2: cpu@200 { @@ -66,6 +84,7 @@ enable-method = "psci"; cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A779H0_CLK_ZC2>; + operating-points-v2 = <&cluster0_opp>; }; a76_3: cpu@300 { @@ -77,6 +96,7 @@ enable-method = "psci"; cpu-idle-states = <&CPU_SLEEP_0>; clocks = <&cpg CPG_CORE R8A779H0_CLK_ZC3>; + operating-points-v2 = <&cluster0_opp>; }; idle-states { |