On Thu, May 28, 2026 at 02:57:07PM +0200, Vincent Jardin wrote: >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 <[email protected]> >Suggested-by: Tom Rini <[email protected]> >Inspired-by: Peng Fan <[email protected]> >
Applied to fsl-qoriq/next. Thanks Peng
