diff options
| author | Frank Wunderlich <frank-w@public-files.de> | 2024-12-17 10:12:21 +0100 |
|---|---|---|
| committer | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2025-01-07 13:11:45 +0100 |
| commit | 343855d29b5c76e6d98a6539e2c087542298bb8c (patch) | |
| tree | 175eb8319ef58763e27c36d8b762c1637449fb9a | |
| parent | b87cf19876c85e515a0ab28c957c30133c34fdc6 (diff) | |
arm64: dts: mediatek: mt7988: Add CPU OPP table for clock scaling
Add operating points defining frequency/voltages of cpu cores.
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20241217091238.16032-8-linux@fw-web.de
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
| -rw-r--r-- | arch/arm64/boot/dts/mediatek/mt7988a.dtsi | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi index 5e53ea47f159..a7954bf5c81e 100644 --- a/arch/arm64/boot/dts/mediatek/mt7988a.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt7988a.dtsi @@ -21,6 +21,10 @@ reg = <0x0>; device_type = "cpu"; enable-method = "psci"; + clocks = <&mcusys CLK_MCU_ARM_DIV_SEL>, + <&topckgen CLK_TOP_XTAL>; + clock-names = "cpu", "intermediate"; + operating-points-v2 = <&cluster0_opp>; }; cpu@1 { @@ -28,6 +32,10 @@ reg = <0x1>; device_type = "cpu"; enable-method = "psci"; + clocks = <&mcusys CLK_MCU_ARM_DIV_SEL>, + <&topckgen CLK_TOP_XTAL>; + clock-names = "cpu", "intermediate"; + operating-points-v2 = <&cluster0_opp>; }; cpu@2 { @@ -35,6 +43,10 @@ reg = <0x2>; device_type = "cpu"; enable-method = "psci"; + clocks = <&mcusys CLK_MCU_ARM_DIV_SEL>, + <&topckgen CLK_TOP_XTAL>; + clock-names = "cpu", "intermediate"; + operating-points-v2 = <&cluster0_opp>; }; cpu@3 { @@ -42,6 +54,32 @@ reg = <0x3>; device_type = "cpu"; enable-method = "psci"; + clocks = <&mcusys CLK_MCU_ARM_DIV_SEL>, + <&topckgen CLK_TOP_XTAL>; + clock-names = "cpu", "intermediate"; + operating-points-v2 = <&cluster0_opp>; + }; + + cluster0_opp: opp-table-0 { + compatible = "operating-points-v2"; + opp-shared; + + opp-800000000 { + opp-hz = /bits/ 64 <800000000>; + opp-microvolt = <850000>; + }; + opp-1100000000 { + opp-hz = /bits/ 64 <1100000000>; + opp-microvolt = <850000>; + }; + opp-1500000000 { + opp-hz = /bits/ 64 <1500000000>; + opp-microvolt = <850000>; + }; + opp-1800000000 { + opp-hz = /bits/ 64 <1800000000>; + opp-microvolt = <900000>; + }; }; }; |