Re: [PATCH v2 0/6] arm64: dts: qcom: nord: Add remoteproc and PMIC support

[Shawn Guo <shengchao.guo@oss.qualcomm.com>]

On Fri, Sep 04, 2026 at 12:00:40PM +0200, Konrad Dybcio wrote:
> On 9/4/26 10:16 AM, Shawn Guo wrote:
> > This series adds ADSP and CDSP remoteproc support, the SPMI PMIC arbiter
> > and the PMIC descriptions for the Qualcomm Nord platform, and adds the
> > initial device tree for the Nord Ride Embedded board.
> > 
> > Tested on next-20260903
> > 
> > Dependencies:
> > - NMXC define: commit e484a765f543 ("dt-bindings: power: qcom,rpmhpd: Add NMXC power domain index")
> >   from git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm.git dt
> > - Base DTS: https://lore.kernel.org/all/20260903140617.441111-1-shengchao.guo@oss.qualcomm.com/
> > - PMAU0102 MFD: https://lore.kernel.org/all/20260830034719.140213-1-shengchao.guo@oss.qualcomm.com/
> > - PMAU0102 thermal: https://lore.kernel.org/all/20260830101025.191697-1-shengchao.guo@oss.qualcomm.com/
> > - PMM8654AU RTC: https://lore.kernel.org/all/20260904074541.590485-1-shengchao.guo@oss.qualcomm.com/
> > 
> > Changes for v2:
> > - Align PMIC comments in nord-ride-embedded.dts with nord-rrd.dts
> > - Drop unneeded regulator-always-on and regulator-boot-on from RPMh
> >   regulators
> 
> It still remains on something like 40% of the defined regulators
> without any nearby comment justifying that - are all of these
> intentional and necessary?

Yes, all of those are intentional.

- Supplies of LPDDR5

  vreg_s1a_vdd2h_l  -->  VDD2H_LPDDR5_01
  vreg_s5g_vdd2h_h  -->  VDD2H_LPDDR5_23
  vreg_l1k_vdd2l    -->  VDD2L_LPDDR5_01
  vreg_l1f_vdd2l    -->  VDD2L_LPDDR5_23
  vreg_l3k_vdd1     -->  VDD1_LPDDR5_01
  vreg_l3f_vdd1     -->  VDD1_LPDDR5_23

- Supplies of PMICs

  vreg_l8a_1p8     -->  VDD_LDO_XO
  vreg_s3a_1p8     -->  VDD_PX3 
  vreg_s5a_mv      -->  VREG_LDO_MV
  vreg_s7f_lv_sub  -->  VREG_LDO_LV

- Supplies of Nord SoC

  vreg_l7a_1p2     -->  VDD_PX14

Shawn