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846f5fd2d1
Add support for the on-die Thermal Monitoring Unit (TMU) of the new QorIQ/Layerscape SoCs (LX2160A, LS1028A, LS1088A, ...): examples on a lx2160: => temperature list | Device | Driver | Parent | tmu@1f80000 | imx_tmu | root_driver | cluster67-thermal | imx_tmu | tmu@1f80000 | ddr1-cluster5-thermal | imx_tmu | tmu@1f80000 | wriop-thermal | imx_tmu | tmu@1f80000 | dce-qbman-hsio2-thermal | imx_tmu | tmu@1f80000 | ccn-dpaa-tbu-thermal | imx_tmu | tmu@1f80000 | cluster4-hsio3-thermal | imx_tmu | tmu@1f80000 | cluster23-thermal | imx_tmu | tmu@1f80000 => temperature get tmu@1f80000 tmu@1f80000: 82000 mC => temperature get wriop-thermal wriop-thermal: 81000 mC The parent tmu@... node owns the MMIO and calibration; one UCLASS_THERMAL device is bound per/thermal-zones site so each shows up by its zone name: => dm tree ... thermal 2 [ + ] imx_tmu |-- tmu@1f80000 thermal 3 [ + ] imx_tmu | |-- cluster67-thermal thermal 4 [ + ] imx_tmu | |-- ddr1-cluster5-thermal thermal 5 [ + ] imx_tmu | |-- wriop-thermal thermal 6 [ + ] imx_tmu | |-- dce-qbman-hsio2-thermal thermal 7 [ + ] imx_tmu | |-- ccn-dpaa-tbu-thermal thermal 8 [ + ] imx_tmu | |-- cluster4-hsio3-thermal thermal 9 [ + ] imx_tmu | `-- cluster23-thermal ... The dtsi additions mirror the existing fsl-ls1028a.dtsi: the LX2160A SoC dtsi gains the tmu@1f80000 node plus a thermal-zones hierarchy with 7 sites: cluster67-thermal site 0 A72 clusters 6 + 7 ddr1-cluster5-thermal site 1 DDR1 + A72 cluster 5 wriop-thermal site 2 WRIOP dce-qbman-hsio2-thermal site 3 DCE + QBMAN + HSIO2 ccn-dpaa-tbu-thermal site 4 CCN508 + DPAA + TBU cluster4-hsio3-thermal site 5 A72 cluster 4 + HSIO3 cluster23-thermal site 6 A72 clusters 2 + 3 Signed-off-by: Vincent Jardin <vjardin@free.fr> Suggested-by: Tom Rini <trini@konsulko.com> Inspired-by: Peng Fan <peng.fan@oss.nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com>
67 lines
2.3 KiB
Plaintext
67 lines
2.3 KiB
Plaintext
config DM_THERMAL
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bool "Driver support for thermal devices"
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help
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Enable support for temperature-sensing devices. Some SoCs have on-chip
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temperature sensors to permit warnings, speed throttling or even
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automatic power-off when the temperature gets too high or low. Other
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devices may be discrete but connected on a suitable bus.
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if DM_THERMAL
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config IMX_THERMAL
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bool "Temperature sensor driver for Freescale i.MX SoCs"
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depends on MX6 || MX7
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help
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Support for Temperature Monitor (TEMPMON) found on Freescale i.MX SoCs.
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It supports one critical trip point and one passive trip point. The
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cpufreq is used as the cooling device to throttle CPUs when the
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passive trip is crossed.
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config IMX_SCU_THERMAL
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bool "Temperature sensor driver for NXP i.MX8"
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depends on ARCH_IMX8
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help
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Support for Temperature sensors on NXP i.MX8.
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It supports one critical trip point and one passive trip point. The
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boot is hold to the cool device to throttle CPUs when the passive
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trip is crossed
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config IMX_TMU
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bool "Thermal Management Unit driver for NXP i.MX8M / i.MX93 and QorIQ"
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depends on ARCH_IMX8M || IMX93 || FSL_LAYERSCAPE
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help
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Support for the NXP Thermal Management Unit (TMU) sensors on
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i.MX8M, i.MX93 and on QorIQ/Layerscape SoCs (LX2160A,
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LS1028A, LS1088A, ...).
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The boot is hold to the cool device to throttle CPUs when the
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passive trip is crossed
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config RCAR_GEN3_THERMAL
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bool "Renesas R-Car Gen3/Gen4 and RZ/G2 thermal driver"
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depends on ARCH_RENESAS
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depends on RCAR_64
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help
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Enable this to plug the R-Car Gen3/Gen4 or RZ/G2 thermal sensor
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driver into the U-Boot thermal framework.
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config TI_DRA7_THERMAL
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bool "Temperature sensor driver for TI dra7xx SOCs"
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help
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Enable thermal support for for the Texas Instruments DRA752 SoC family.
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The driver supports reading CPU temperature.
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config TI_LM74_THERMAL
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bool "Temperature sensor driver for TI LM74 chip"
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help
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Enable thermal support for the Texas Instruments LM74 chip.
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The driver supports reading CPU temperature.
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config DM_THERMAL_JC42
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bool "JEDEC JC-42.4/TSE2004av SPD temperature sensor"
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depends on DM_I2C
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help
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Enable support for the JEDEC JC-42.4 temperature sensor found
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on the SPD bus of DDR3 and DDR4 DIMMs (TSE2004av and compatible).
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endif # if DM_THERMAL
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