From 2a2bd124d4c01c53833a4f0c7fef4faf18351c51 Mon Sep 17 00:00:00 2001 From: Konrad Dybcio Date: Tue, 11 Jul 2023 16:35:15 +0200 Subject: [PATCH] arm64: dts: qcom: sm8250: Add BWMONs Add the CPU and LLC BWMONs (skip the NPU ones for now) on sm8250. LPDDR4X levels are skipped, as LPDDR5 seems more popular with SM8250 and voting for inexistent levels doesn't uptick the bus frequency, which results in no increased bandwidth, which results in bwmon deciding we shouldn't go higher.. you see the point! Signed-off-by: Konrad Dybcio Link: https://lore.kernel.org/r/20230711-topic-sm638250_bwmon-v1-3-bd4bb96b0673@linaro.org Signed-off-by: Bjorn Andersson --- arch/arm64/boot/dts/qcom/sm8250.dtsi | 122 +++++++++++++++++++++++++++ 1 file changed, 122 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi index 6359e5d095447..c4e4f75e39418 100644 --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi @@ -3694,6 +3694,128 @@ }; }; + pmu@9091000 { + compatible = "qcom,sm8250-llcc-bwmon", "qcom,sc7280-llcc-bwmon"; + reg = <0 0x09091000 0 0x1000>; + + interrupts = ; + + interconnects = <&mc_virt MASTER_LLCC 3 &mc_virt SLAVE_EBI_CH0 3>; + + operating-points-v2 = <&llcc_bwmon_opp_table>; + + llcc_bwmon_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-800000 { + opp-peak-kBps = <(200 * 4 * 1000)>; + }; + + opp-1200000 { + opp-peak-kBps = <(300 * 4 * 1000)>; + }; + + opp-1804000 { + opp-peak-kBps = <(451 * 4 * 1000)>; + }; + + opp-2188000 { + opp-peak-kBps = <(547 * 4 * 1000)>; + }; + + opp-2724000 { + opp-peak-kBps = <(681 * 4 * 1000)>; + }; + + opp-3072000 { + opp-peak-kBps = <(768 * 4 * 1000)>; + }; + + opp-4068000 { + opp-peak-kBps = <(1017 * 4 * 1000)>; + }; + + /* 1353 MHz, LPDDR4X */ + + opp-6220000 { + opp-peak-kBps = <(1555 * 4 * 1000)>; + }; + + opp-7216000 { + opp-peak-kBps = <(1804 * 4 * 1000)>; + }; + + opp-8368000 { + opp-peak-kBps = <(2092 * 4 * 1000)>; + }; + + /* LPDDR5 */ + opp-10944000 { + opp-peak-kBps = <(2736 * 4 * 1000)>; + }; + }; + }; + + pmu@90b6400 { + compatible = "qcom,sm8250-cpu-bwmon", "qcom,sdm845-bwmon"; + reg = <0 0x090b6400 0 0x600>; + + interrupts = ; + + interconnects = <&gem_noc MASTER_AMPSS_M0 3 &gem_noc SLAVE_LLCC 3>; + operating-points-v2 = <&cpu_bwmon_opp_table>; + + cpu_bwmon_opp_table: opp-table { + compatible = "operating-points-v2"; + + opp-800000 { + opp-peak-kBps = <(200 * 4 * 1000)>; + }; + + opp-1804000 { + opp-peak-kBps = <(451 * 4 * 1000)>; + }; + + opp-2188000 { + opp-peak-kBps = <(547 * 4 * 1000)>; + }; + + opp-2724000 { + opp-peak-kBps = <(681 * 4 * 1000)>; + }; + + opp-3072000 { + opp-peak-kBps = <(768 * 4 * 1000)>; + }; + + /* 1017MHz, 1353 MHz, LPDDR4X */ + + opp-6220000 { + opp-peak-kBps = <(1555 * 4 * 1000)>; + }; + + opp-6832000 { + opp-peak-kBps = <(1708 * 4 * 1000)>; + }; + + opp-8368000 { + opp-peak-kBps = <(2092 * 4 * 1000)>; + }; + + /* 2133MHz, LPDDR4X */ + + /* LPDDR5 */ + opp-10944000 { + opp-peak-kBps = <(2736 * 4 * 1000)>; + }; + + /* LPDDR5 */ + opp-12784000 { + opp-peak-kBps = <(3196 * 4 * 1000)>; + }; + }; + }; + dc_noc: interconnect@90c0000 { compatible = "qcom,sm8250-dc-noc"; reg = <0 0x090c0000 0 0x4200>; -- 2.30.2