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arm64/qcom: Switch Nord CDSPs from MX to NMXC power domain #988

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Merged
Komal Bajaj (Komal-Bajaj) merged 4 commits into from
Aug 20, 2026
+20 −13
Merged

arm64/qcom: Switch Nord CDSPs from MX to NMXC power domain #988

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bc779a4
PENDING: dt-bindings: power: qcom,rpmhpd: Add NMXC power domain index
Aug 20, 2026
7cdeec2
PENDING: pmdomain: qcom: rpmhpd: Add NMXC power domain for Nord
Aug 20, 2026
be24445
PENDING: remoteproc: qcom: pas: Switch Nord CDSPs from MX to NMXC
Aug 20, 2026
241cfc6
PENDING: arm64: dts: qcom: nord: Switch CDSP0-3 from MX to NMXC power…
Aug 20, 2026
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18 changes: 9 additions & 9 deletions arch/arm64/boot/dts/qcom/nord-embedded.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@
#include <dt-bindings/interconnect/qcom,icc.h>
#include <dt-bindings/interconnect/qcom,nord-rpmh.h>
#include <dt-bindings/phy/phy-qcom-qmp.h>
#include <dt-bindings/power/qcom-rpmpd.h>
#include <dt-bindings/power/qcom,rpmhpd.h>
#include <dt-bindings/soc/qcom,rpmh-rsc.h>

#include "nord.dtsi"
Expand Down Expand Up @@ -605,10 +605,10 @@
interconnects = <&nsp_data_noc_0 MASTER_NSP0_PROC QCOM_ICC_TAG_ALWAYS
&mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
power-domains = <&rpmhpd RPMHPD_CX>,
<&rpmhpd RPMHPD_MX>,
<&rpmhpd RPMHPD_NMXC>,
<&rpmhpd RPMHPD_NSP0>;
power-domain-names = "cx",
"mx",
"nmxc",
"nsp";
};

Expand All @@ -618,10 +618,10 @@
interconnects = <&nsp_data_noc_1 MASTER_NSP1_PROC QCOM_ICC_TAG_ALWAYS
&mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
power-domains = <&rpmhpd RPMHPD_CX>,
<&rpmhpd RPMHPD_MX>,
<&rpmhpd RPMHPD_NMXC>,
<&rpmhpd RPMHPD_NSP1>;
power-domain-names = "cx",
"mx",
"nmxc",
"nsp";
};

Expand All @@ -631,10 +631,10 @@
interconnects = <&nsp_data_noc_2 MASTER_NSP2_PROC QCOM_ICC_TAG_ALWAYS
&mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
power-domains = <&rpmhpd RPMHPD_CX>,
<&rpmhpd RPMHPD_MX>,
<&rpmhpd RPMHPD_NMXC>,
<&rpmhpd RPMHPD_NSP2>;
power-domain-names = "cx",
"mx",
"nmxc",
"nsp";
};

Expand All @@ -644,10 +644,10 @@
interconnects = <&nsp_data_noc_3 MASTER_NSP3_PROC QCOM_ICC_TAG_ALWAYS
&mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>;
power-domains = <&rpmhpd RPMHPD_CX>,
<&rpmhpd RPMHPD_MX>,
<&rpmhpd RPMHPD_NMXC>,
<&rpmhpd RPMHPD_NSP3>;
power-domain-names = "cx",
"mx",
"nmxc",
"nsp";
};

Expand Down
6 changes: 6 additions & 0 deletions drivers/pmdomain/qcom/rpmhpd.c
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Original file line number Diff line number Diff line change
Expand Up @@ -202,6 +202,11 @@ static struct rpmhpd mxc_ao = {
.skip_retention_level = true,
};

static struct rpmhpd nmxc = {
.pd = { .name = "nmxc", },
.res_name = "nmxc.lvl",
};

static struct rpmhpd nsp = {
.pd = { .name = "nsp", },
.res_name = "nsp.lvl",
Expand Down Expand Up @@ -331,6 +336,7 @@ static struct rpmhpd *nord_rpmhpds[] = {
[RPMHPD_MMCX_AO] = &mmcx_ao,
[RPMHPD_MXC] = &mxc,
[RPMHPD_MXC_AO] = &mxc_ao,
[RPMHPD_NMXC] = &nmxc,
[RPMHPD_NSP0] = &nsp0,
[RPMHPD_NSP1] = &nsp1,
[RPMHPD_NSP2] = &nsp2,
Expand Down
8 changes: 4 additions & 4 deletions drivers/remoteproc/qcom_q6v5_pas.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2084,7 +2084,7 @@ static const struct qcom_pas_data nord_cdsp0_resource = {
.auto_boot = true,
.proxy_pd_names = (char*[]){
"cx",
"mx",
"nmxc",
"nsp",
NULL
},
Expand All @@ -2105,7 +2105,7 @@ static const struct qcom_pas_data nord_cdsp1_resource = {
.auto_boot = true,
.proxy_pd_names = (char*[]){
"cx",
"mx",
"nmxc",
"nsp",
NULL
},
Expand All @@ -2126,7 +2126,7 @@ static const struct qcom_pas_data nord_cdsp2_resource = {
.auto_boot = true,
.proxy_pd_names = (char*[]){
"cx",
"mx",
"nmxc",
"nsp",
NULL
},
Expand All @@ -2147,7 +2147,7 @@ static const struct qcom_pas_data nord_cdsp3_resource = {
.auto_boot = true,
.proxy_pd_names = (char*[]){
"cx",
"mx",
"nmxc",
"nsp",
NULL
},
Expand Down
1 change: 1 addition & 0 deletions include/dt-bindings/power/qcom,rpmhpd.h
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@
#define RPMHPD_GBX 22
#define RPMHPD_NSP3 23
#define RPMHPD_GFX1 24
#define RPMHPD_NMXC 25

/* RPMh Power Domain performance levels */
#define RPMH_REGULATOR_LEVEL_RETENTION 16
Expand Down
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