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| author |   Biju Das <biju.das.jz@bp.renesas.com> | 2024-12-03 10:49:37 +0000 |
|---|---|---|
| committer |   Geert Uytterhoeven <geert+renesas@glider.be> | 2024-12-13 11:20:04 +0100 |
| commit | 8e96597f3c25007d292eabba9cfc9612e7d90f0f (patch) | |
| tree | 8c572f680974e660772975278e3cd3ac95364b82 | |
| parent | arm64: dts: renesas: Add initial DTSI for RZ/G3E SoC (diff) | |
| download | wireguard-linux-8e96597f3c25007d292eabba9cfc9612e7d90f0f.tar.xz wireguard-linux-8e96597f3c25007d292eabba9cfc9612e7d90f0f.zip | |
arm64: dts: renesas: r9a09g047: Add OPP table
Add OPP table for RZ/G3E SoC.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20241203105005.103927-11-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r9a09g047.dtsi | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r9a09g047.dtsi b/arch/arm64/boot/dts/renesas/r9a09g047.dtsi index 4176b9aa6892..39a7cfb3095b 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g047.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a09g047.dtsi @@ -20,6 +20,39 @@ clock-frequency = <0>; }; + /* + * The default cluster table is based on the assumption that the PLLCA55 clock + * frequency is set to 1.7GHz. The PLLCA55 clock frequency can be set to + * 1.7/1.6/1.5/1.1 GHz based on the BOOTPLLCA_0/1 pins (and additionally can be + * clocked to 1.8GHz as well). The table below should be overridden in the board + * DTS based on the PLLCA55 clock frequency. + */ + cluster0_opp: opp-table-0 { + compatible = "operating-points-v2"; + + opp-1700000000 { + opp-hz = /bits/ 64 <1700000000>; + opp-microvolt = <900000>; + clock-latency-ns = <300000>; + }; + opp-850000000 { + opp-hz = /bits/ 64 <850000000>; + opp-microvolt = <800000>; + clock-latency-ns = <300000>; + }; + opp-425000000 { + opp-hz = /bits/ 64 <425000000>; + opp-microvolt = <800000>; + clock-latency-ns = <300000>; + }; + opp-212500000 { + opp-hz = /bits/ 64 <212500000>; + opp-microvolt = <800000>; + clock-latency-ns = <300000>; + opp-suspend; + }; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -30,6 +63,8 @@ device_type = "cpu"; next-level-cache = <&L3_CA55>; enable-method = "psci"; + clocks = <&cpg CPG_CORE R9A09G047_CA55_0_CORECLK0>; + operating-points-v2 = <&cluster0_opp>; }; cpu1: cpu@100 { @@ -38,6 +73,8 @@ device_type = "cpu"; next-level-cache = <&L3_CA55>; enable-method = "psci"; + clocks = <&cpg CPG_CORE R9A09G047_CA55_0_CORECLK1>; + operating-points-v2 = <&cluster0_opp>; }; cpu2: cpu@200 { @@ -46,6 +83,8 @@ device_type = "cpu"; next-level-cache = <&L3_CA55>; enable-method = "psci"; + clocks = <&cpg CPG_CORE R9A09G047_CA55_0_CORECLK2>; + operating-points-v2 = <&cluster0_opp>; }; cpu3: cpu@300 { @@ -54,6 +93,8 @@ device_type = "cpu"; next-level-cache = <&L3_CA55>; enable-method = "psci"; + clocks = <&cpg CPG_CORE R9A09G047_CA55_0_CORECLK3>; + operating-points-v2 = <&cluster0_opp>; }; L3_CA55: cache-controller-0 { |