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The AM62L3 will use its native TI CPUFreq driver implementation instead of the generic dt-platdev driver. This follows the same pattern as other TI SoCs like AM62A7, AM62D2, and AM62P5 which have been previously added to this blocklist. Signed-off-by: Dhruva Gole --- drivers/cpufreq/cpufreq-dt-platdev.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq= -dt-platdev.c index 1708179b2610bca6035d10f0f4766eee6f73912e..29122bac2e22f6e7a8e8294cc01= 923c8a13d53c1 100644 --- a/drivers/cpufreq/cpufreq-dt-platdev.c +++ b/drivers/cpufreq/cpufreq-dt-platdev.c @@ -194,6 +194,7 @@ static const struct of_device_id blocklist[] __initcons= t =3D { { .compatible =3D "ti,am62a7", }, { .compatible =3D "ti,am62d2", }, { .compatible =3D "ti,am62p5", }, + { .compatible =3D "ti,am62l3", }, =20 { .compatible =3D "qcom,ipq5332", }, { .compatible =3D "qcom,ipq5424", }, --=20 2.34.1 From nobody Mon Feb 9 00:46:44 2026 Received: from CH5PR02CU005.outbound.protection.outlook.com (mail-northcentralusazon11012045.outbound.protection.outlook.com [40.107.200.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DF4B13126CA; 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This follows the same architecture-specific implementation pattern as other TI SoCs in the AM6x family. [1] https://www.ti.com/lit/pdf/SPRSPA1 Signed-off-by: Dhruva Gole --- drivers/cpufreq/ti-cpufreq.c | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/drivers/cpufreq/ti-cpufreq.c b/drivers/cpufreq/ti-cpufreq.c index 6ee76f5fe9c567b0b88797ddb51764a2a5606b16..8d8fdb068dcdc2caa0b656405f3= 8a072c0700f71 100644 --- a/drivers/cpufreq/ti-cpufreq.c +++ b/drivers/cpufreq/ti-cpufreq.c @@ -48,6 +48,12 @@ #define AM625_SUPPORT_S_MPU_OPP BIT(1) #define AM625_SUPPORT_T_MPU_OPP BIT(2) =20 +#define AM62L3_EFUSE_E_MPU_OPP 5 +#define AM62L3_EFUSE_O_MPU_OPP 15 + +#define AM62L3_SUPPORT_E_MPU_OPP BIT(0) +#define AM62L3_SUPPORT_O_MPU_OPP BIT(1) + enum { AM62A7_EFUSE_M_MPU_OPP =3D 13, AM62A7_EFUSE_N_MPU_OPP, @@ -213,6 +219,22 @@ static unsigned long am625_efuse_xlate(struct ti_cpufr= eq_data *opp_data, return calculated_efuse; } =20 +static unsigned long am62l3_efuse_xlate(struct ti_cpufreq_data *opp_data, + unsigned long efuse) +{ + unsigned long calculated_efuse =3D AM62L3_SUPPORT_E_MPU_OPP; + + switch (efuse) { + case AM62L3_EFUSE_O_MPU_OPP: + calculated_efuse |=3D AM62L3_SUPPORT_O_MPU_OPP; + fallthrough; + case AM62L3_EFUSE_E_MPU_OPP: + calculated_efuse |=3D AM62L3_SUPPORT_E_MPU_OPP; + } + + return calculated_efuse; +} + static struct ti_cpufreq_soc_data am3x_soc_data =3D { .efuse_xlate =3D amx3_efuse_xlate, .efuse_fallback =3D AM33XX_800M_ARM_MPU_MAX_FREQ, @@ -315,6 +337,7 @@ static const struct soc_device_attribute k3_cpufreq_soc= [] =3D { { .family =3D "AM62AX", }, { .family =3D "AM62PX", }, { .family =3D "AM62DX", }, + { .family =3D "AM62LX", }, { /* sentinel */ } }; =20 @@ -327,6 +350,14 @@ static struct ti_cpufreq_soc_data am625_soc_data =3D { .quirks =3D TI_QUIRK_SYSCON_IS_SINGLE_REG, }; =20 +static struct ti_cpufreq_soc_data am62l3_soc_data =3D { + .efuse_xlate =3D am62l3_efuse_xlate, + .efuse_offset =3D 0x0, + .efuse_mask =3D 0x07c0, + .efuse_shift =3D 0x6, + .multi_regulator =3D false, +}; + static struct ti_cpufreq_soc_data am62a7_soc_data =3D { .efuse_xlate =3D am62a7_efuse_xlate, .efuse_offset =3D 0x0, @@ -463,6 +494,7 @@ static const struct of_device_id ti_cpufreq_of_match[] = __maybe_unused =3D { { .compatible =3D "ti,am625", .data =3D &am625_soc_data, }, { .compatible =3D "ti,am62a7", .data =3D &am62a7_soc_data, }, { .compatible =3D "ti,am62d2", .data =3D &am62a7_soc_data, }, + { .compatible =3D "ti,am62l3", .data =3D &am62l3_soc_data, }, { .compatible =3D "ti,am62p5", .data =3D &am62p5_soc_data, }, /* legacy */ { .compatible =3D "ti,omap3430", .data =3D &omap34xx_soc_data, }, --=20 2.34.1 From nobody Mon Feb 9 00:46:44 2026 Received: from BN1PR04CU002.outbound.protection.outlook.com (mail-eastus2azon11010046.outbound.protection.outlook.com [52.101.56.46]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2543A318142; 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Add the operating-points-v2 table with CPU frequency steps from 200MHz to 1.25GHz to k3-am62l3.dtsi Configure CPU clocks to reference the SCMI clock controller for frequency scaling This enables proper CPU frequency scaling capabilities for the AM62L SoC using the ARM SCMI protocol to interact with the power management firmware. Signed-off-by: Dhruva Gole --- arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi | 5 +++ arch/arm64/boot/dts/ti/k3-am62l3.dtsi | 47 +++++++++++++++++++++++++= ++++ 2 files changed, 52 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi b/arch/arm64/boot/= dts/ti/k3-am62l-wakeup.dtsi index 61bfcdcfc66ea8d802a36ed43cd01fbbf3decc70..a42ccd0d2fcc4d204cae81508f8= 39c44ce83f558 100644 --- a/arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62l-wakeup.dtsi @@ -127,6 +127,11 @@ chipid: chipid@14 { bootph-all; }; =20 + opp_efuse_table: syscon@18 { + compatible =3D "ti,am62-opp-efuse-table", "syscon"; + reg =3D <0x18 0x4>; + }; + cpsw_mac_syscon: ethernet-mac-syscon@2000 { compatible =3D "ti,am62p-cpsw-mac-efuse", "syscon"; reg =3D <0x2000 0x8>; diff --git a/arch/arm64/boot/dts/ti/k3-am62l3.dtsi b/arch/arm64/boot/dts/ti= /k3-am62l3.dtsi index da220b85151227c63f59b2b8ec48ae2ebb37e7bf..f7146421918f7037c6a192cc476= 5e8814a508afc 100644 --- a/arch/arm64/boot/dts/ti/k3-am62l3.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am62l3.dtsi @@ -39,6 +39,8 @@ cpu0: cpu@0 { d-cache-line-size =3D <64>; d-cache-sets =3D <128>; next-level-cache =3D <&l2_0>; + operating-points-v2 =3D <&a53_opp_table>; + clocks =3D <&scmi_clk 356>; }; =20 cpu1: cpu@1 { @@ -53,6 +55,8 @@ cpu1: cpu@1 { d-cache-line-size =3D <64>; d-cache-sets =3D <128>; next-level-cache =3D <&l2_0>; + operating-points-v2 =3D <&a53_opp_table>; + clocks =3D <&scmi_clk 356>; }; }; =20 @@ -64,4 +68,47 @@ l2_0: l2-cache0 { cache-line-size =3D <64>; cache-sets =3D <256>; }; + + a53_opp_table: opp-table { + compatible =3D "operating-points-v2-ti-cpu"; + opp-shared; + syscon =3D <&opp_efuse_table>; + + opp-200000000 { + opp-hz =3D /bits/ 64 <200000000>; + opp-supported-hw =3D <0x01 0x0007>; + clock-latency-ns =3D <6000000>; + }; + + opp-400000000 { + opp-hz =3D /bits/ 64 <400000000>; + opp-supported-hw =3D <0x01 0x0007>; + clock-latency-ns =3D <6000000>; + }; + + opp-600000000 { + opp-hz =3D /bits/ 64 <600000000>; + opp-supported-hw =3D <0x01 0x0007>; + clock-latency-ns =3D <6000000>; + }; + + opp-800000000 { + opp-hz =3D /bits/ 64 <800000000>; + opp-supported-hw =3D <0x01 0x0007>; + clock-latency-ns =3D <6000000>; + }; + + opp-1000000000 { + opp-hz =3D /bits/ 64 <1000000000>; + opp-supported-hw =3D <0x01 0x0006>; + clock-latency-ns =3D <6000000>; + }; + + opp-1250000000 { + opp-hz =3D /bits/ 64 <1250000000>; + opp-supported-hw =3D <0x01 0x0003>; + clock-latency-ns =3D <6000000>; + opp-suspend; + }; + }; }; --=20 2.34.1