Re: [PATCH 2/4] pmdomain: qcom: rpmhpd: Add NMXC power domain for Nord

On Wed, Aug 26, 2026 at 03:04:33PM +0200, Konrad Dybcio wrote:
> On 8/26/26 12:27 PM, Shawn Guo wrote:
> > From: Anurag Pateriya <[email protected]>
> > 
> > Add the nmxc.lvl RPMh resource and register it in the Nord power domain
> > table. Nord supplies the NSP memory rail from this dedicated resource
> > rather than from the shared MX rail, so consumers need it exposed as its
> > own power domain.
> > 
> > Signed-off-by: Anurag Pateriya <[email protected]>
> > Signed-off-by: Shawn Guo <[email protected]>
> > ---
> >  drivers/pmdomain/qcom/rpmhpd.c | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/drivers/pmdomain/qcom/rpmhpd.c b/drivers/pmdomain/qcom/rpmhpd.c
> > index 96e4bd2f5a14..717c44d1c39a 100644
> > --- a/drivers/pmdomain/qcom/rpmhpd.c
> > +++ b/drivers/pmdomain/qcom/rpmhpd.c
> > @@ -198,6 +198,11 @@ static struct rpmhpd mxc_ao = {
> >  	.res_name = "mxc.lvl",
> >  };
> >  
> > +static struct rpmhpd nmxc = {
> > +	.pd = { .name = "nmxc", },
> > +	.res_name = "nmxc.lvl",
> 
> The commandDB sources suggest this shouls be nspmxc.lvl instead..
> 
> Can you dump /sys/kernel/debug/cmd-db?

root@qcom-armv8a:~# cat /sys/kernel/debug/cmd-db
Command DB DUMP
Slave ARC (v16.0)
-------------------------
0x30000: cx.lvl [00 00 10 00 10 00 c0 00 00 01 80 01 a0 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x30004: cx.tmr
0x30010: mx.lvl [00 00 10 00 c0 00 00 01 80 01 a0 01 b0 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x30014: mx.tmr
0x30020: ebi.lvl [00 00 10 00 c0 00 00 01 80 01 a0 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x30024: ebi.tmr
0x30030: gfx.lvl [00 00 01 00 c0 00 00 01 80 01 a0 01 b0 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x30034: gfx.tmr
0x30040: ddr.lvl [00 00 20 00 80 00 a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x30044: ddr.tmr
0x30050: mmcx.lvl [00 00 01 00 c0 00 00 01 80 01 a0 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x30054: mmcx.tmr
0x30060: nsp0.lvl [00 00 01 00 c0 00 00 01 80 01 a0 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x30064: nsp0.tmr
0x30070: mxc.lvl [00 00 10 00 c0 00 00 01 80 01 a0 01 b0 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x30074: mxc.tmr
0x30080: nsp1.lvl [00 00 01 00 c0 00 00 01 80 01 a0 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x30084: nsp1.tmr
0x30090: nsp2.lvl [00 00 01 00 c0 00 00 01 80 01 a0 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x30094: nsp2.tmr
0x300a0: nsp3.lvl [00 00 01 00 c0 00 00 01 80 01 a0 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x300a4: nsp3.tmr
0x300b0: nmxc.lvl [00 00 10 00 c0 00 00 01 80 01 a0 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x300b4: nmxc.tmr
0x300c0: gic.lvl [00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x300c4: gic.tmr
0x300d0: ds.lvl [00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x300d4: ds.tmr
0x300e0: gfx1.lvl [00 00 01 00 c0 00 00 01 80 01 a0 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x300e4: gfx1.tmr
0x300f0: xo.lvl [00 00 20 00 50 00 80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00]
0x300f4: xo.tmr
Slave ARC (v16.0)
-------------------------
0x00000: cx.mol [80 00]
0x00000: mx.mol [c0 00]
0x00000: ebi.mol [c0 00]
0x00000: gfx.mol [80 00]
0x00000: ddr.mol [a0 00]
0x00000: mmcx.mol [80 00]
0x00000: nsp0.mol [80 00]
0x00000: mxc.mol [c0 00]
0x00000: nsp1.mol [80 00]
0x00000: nsp2.mol [80 00]
0x00000: nsp3.mol [80 00]
0x00000: nmxc.mol [c0 00]
0x00000: gic.mol [20 00]
0x00000: ds.mol [20 00]
0x00000: gfx1.mol [80 00]
0x00000: xo.mol [80 00]
Slave BCM (v16.0)
-------------------------
0x50000: MC0 [40 d0 1b 01 40 00 00 00]
0x50094: MC1 [40 d0 1b 01 40 00 00 00]
0x5009c: MC2 [40 d0 1b 01 40 00 00 00]
0x50080: MC3 [40 d0 1b 01 40 00 00 00]
0x50004: SH0 [c0 ea 21 01 00 01 01 00]
0x50008: SH1 [c0 ea 21 01 00 01 01 00]
0x50098: SH2 [c0 ea 21 01 00 01 01 00]
0x50084: SH3 [c0 ea 21 01 00 01 01 00]
0x50010: SN0 [10 e4 1f 00 40 00 03 00]
0x50014: SN1 [10 e4 1f 00 40 00 03 00]
0x50018: SN2 [10 e4 1f 00 10 00 03 00]
0x5001c: SN3 [10 e4 1f 00 10 00 03 00]
0x50024: SN4 [10 e4 1f 00 10 00 03 00]
0x50028: MM0 [b0 db 23 00 40 00 04 00]
0x5002c: MM1 [b0 db 23 00 40 00 04 00]
0x50030: CN0 [e0 22 02 00 04 00 05 00]
0x50034: CN1 [e0 22 02 00 04 00 05 00]
0x50038: CE0 [fc 5c 00 00 08 00 06 00]
0x50070: CE1 [fc 5c 00 00 08 00 06 00]
0x50074: CE2 [fc 5c 00 00 08 00 06 00]
0x5003c: IP0 [28 00 00 00 08 00 07 00]
0x50040: QUP0 [14 00 00 00 04 00 08 00]
0x50044: QUP1 [14 00 00 00 04 00 08 00]
0x50048: QUP2 [14 00 00 00 04 00 08 00]
0x50068: QUP3 [14 00 00 00 04 00 08 00]
0x5004c: C0N0 [60 b7 47 00 40 00 09 00]
0x50050: C1N0 [60 b7 47 00 40 00 0a 00]
0x50054: C2N0 [60 b7 47 00 40 00 0b 00]
0x50058: C3N0 [60 b7 47 00 40 00 0c 00]
0x5005c: CP0 [30 75 00 00 04 00 0d 00]
0x50060: DCP0 [30 75 00 00 04 00 0e 00]
0x50064: DTP0 [80 38 01 00 04 00 0f 00]
0x5006c: ALC [01 00 00 00 00 00 11 00]
0x50088: ACV [01 00 00 00 00 00 12 00]
Slave VRM (v1.0)
-------------------------
0x4d000: vrm.aoss [03 da 00 00]
0x4d004: vrm.ds [03 da 00 00]
0x40200: S1A_E0 [01 0b 00 00]
0x40300: S3A_E0 [01 0d 00 00]
0x40000: S5A_E0 [01 11 00 00]
0x40400: S6A_E0 [01 13 00 00]
0x40500: S8A_E0 [01 17 00 00]
0x40500: vrm.ebi [01 17 00 00]
0x40600: L4A_E0 [01 49 00 00]
0x40700: L6A_E0 [01 4b 00 00]
0x40800: L7A_E0 [01 4c 00 00]
0x40b00: L8A_E0 [01 4d 00 00]
0x4a000: C1A_E0 [02 69 00 00]
0x4a000: vrm.xob [02 69 00 00]
0x4a100: C2A_E0 [02 6a 00 00]
0x4a100: lnbclka2 [02 6a 00 00]
0x4a200: C3A_E0 [02 6b 00 00]
0x4a200: lnbclka3 [02 6b 00 00]
0x4a300: C4A_E0 [02 6c 00 00]
0x4a300: divclka1 [02 6c 00 00]
0x40c00: S1E_E0 [01 1b 00 00]
0x40c00: vrm.nsp3 [01 1b 00 00]
0x40d00: S7E_E0 [01 1d 00 00]
0x40d00: vrm.mx [01 1d 00 00]
0x40e00: L1E_E0 [01 4f 00 00]
0x40f00: L2E_E0 [01 50 00 00]
0x41600: L3E_E0 [01 51 00 00]
0x41700: S1F_E0 [01 1f 00 00]
0x41700: vrm.nsp1 [01 1f 00 00]
0x40100: S7F_E0 [01 21 00 00]
0x41800: S8F_E0 [01 23 00 00]
0x41000: L1F_E0 [01 52 00 00]
0x41900: L3F_E0 [01 54 00 00]
0x41a00: S1G_E0 [01 25 00 00]
0x41a00: vrm.nsp0 [01 25 00 00]
0x41b00: S5G_E0 [01 27 00 00]
0x41100: L2G_E0 [01 56 00 00]
0x41c00: S1H_E0 [01 2b 00 00]
0x41c00: vrm.nsp2 [01 2b 00 00]
0x41d00: S5H_E0 [01 2d 00 00]
0x41d00: vrm.mxc [01 2d 00 00]
0x41200: L1H_E0 [01 58 00 00]
0x40900: L2H_E0 [01 59 00 00]
0x41e00: S2I_E0 [01 31 00 00]
0x41e00: vrm.gfx [01 31 00 00]
0x41f00: S7I_E0 [01 00 00 00]
0x41f00: vrm.mmcx [01 00 00 00]
0x41300: L1I_E0 [01 5b 00 00]
0x40a00: L2I_E0 [01 5c 00 00]
0x42000: L3I_E0 [01 5d 00 00]
0x42100: S7J_E0 [01 00 00 00]
0x42100: vrm.gfx1 [01 00 00 00]
0x41400: L1K_E0 [01 61 00 00]
0x41500: L2K_E0 [01 62 00 00]
0x42200: L3K_E0 [01 63 00 00]
0x42300: S1L_E0 [01 00 00 00]
0x42300: vrm.nmxc [01 00 00 00]
0x42400: S2L_E0 [01 45 00 00]
0x42400: vrm.cx [01 45 00 00]
0x42500: L3L_E0 [01 66 00 00]
0x4a400: vrm.sail [02 67 00 00]

Shawn