Add the RPMh power domains required for the Hawi SoC. This includes
new definitions for domains supplying specific hardware components:
- DCX: supplies VDD_DISP
- GBX: supplies VDD_GFX_BX

Signed-off-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
---
 drivers/pmdomain/qcom/rpmhpd.c | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/drivers/pmdomain/qcom/rpmhpd.c b/drivers/pmdomain/qcom/rpmhpd.c
index 19849703be4a..f5ae2a63765d 100644
--- a/drivers/pmdomain/qcom/rpmhpd.c
+++ b/drivers/pmdomain/qcom/rpmhpd.c
@@ -102,11 +102,21 @@ static struct rpmhpd cx_ao_w_mx_parent = {
 	.res_name = "cx.lvl",
 };
 
+static struct rpmhpd dcx = {
+	.pd = { .name = "dcx", },
+	.res_name = "dcx.lvl",
+};
+
 static struct rpmhpd ebi = {
 	.pd = { .name = "ebi", },
 	.res_name = "ebi.lvl",
 };
 
+static struct rpmhpd gbx = {
+	.pd = { .name = "gbx", },
+	.res_name = "gbx.lvl",
+};
+
 static struct rpmhpd gfx = {
 	.pd = { .name = "gfx", },
 	.res_name = "gfx.lvl",
@@ -622,6 +632,33 @@ static const struct rpmhpd_desc kaanapali_desc = {
 	.num_pds = ARRAY_SIZE(kaanapali_rpmhpds),
 };
 
+/* Hawi RPMH powerdomains */
+static struct rpmhpd *hawi_rpmhpds[] = {
+	[RPMHPD_CX] = &cx,
+	[RPMHPD_CX_AO] = &cx_ao,
+	[RPMHPD_DCX] = &dcx,
+	[RPMHPD_EBI] = &ebi,
+	[RPMHPD_GBX] = &gbx,
+	[RPMHPD_GFX] = &gfx,
+	[RPMHPD_GMXC] = &gmxc,
+	[RPMHPD_LCX] = &lcx,
+	[RPMHPD_LMX] = &lmx,
+	[RPMHPD_MMCX] = &mmcx,
+	[RPMHPD_MMCX_AO] = &mmcx_ao,
+	[RPMHPD_MX] = &mx,
+	[RPMHPD_MX_AO] = &mx_ao,
+	[RPMHPD_MXC] = &mxc,
+	[RPMHPD_MXC_AO] = &mxc_ao,
+	[RPMHPD_MSS] = &mss,
+	[RPMHPD_NSP] = &nsp,
+	[RPMHPD_NSP2] = &nsp2,
+};
+
+static const struct rpmhpd_desc hawi_desc = {
+	.rpmhpds = hawi_rpmhpds,
+	.num_pds = ARRAY_SIZE(hawi_rpmhpds),
+};
+
 /* QDU1000/QRU1000 RPMH powerdomains */
 static struct rpmhpd *qdu1000_rpmhpds[] = {
 	[QDU1000_CX] = &cx,
@@ -796,6 +833,7 @@ static const struct rpmhpd_desc qcs615_desc = {
 
 static const struct of_device_id rpmhpd_match_table[] = {
 	{ .compatible = "qcom,glymur-rpmhpd", .data = &glymur_desc },
+	{ .compatible = "qcom,hawi-rpmhpd", .data = &hawi_desc },
 	{ .compatible = "qcom,kaanapali-rpmhpd", .data = &kaanapali_desc },
 	{ .compatible = "qcom,milos-rpmhpd", .data = &milos_desc },
 	{ .compatible = "qcom,qcs615-rpmhpd", .data = &qcs615_desc },

-- 
2.43.0

On Wed, Apr 01, 2026 at 02:15:31AM -0700, Fenglin Wu wrote:
> Add the RPMh power domains required for the Hawi SoC. This includes
> new definitions for domains supplying specific hardware components:
> - DCX: supplies VDD_DISP
> - GBX: supplies VDD_GFX_BX
> 
> Signed-off-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
> ---
>  drivers/pmdomain/qcom/rpmhpd.c | 38 ++++++++++++++++++++++++++++++++++++++
>  1 file changed, 38 insertions(+)
> 
> +	[RPMHPD_LCX] = &lcx,
> +	[RPMHPD_LMX] = &lmx,
> +	[RPMHPD_MMCX] = &mmcx,
> +	[RPMHPD_MMCX_AO] = &mmcx_ao,

So, should it be just mmcx or mmcx_w_cx_parent ?

> +	[RPMHPD_MX] = &mx,
> +	[RPMHPD_MX_AO] = &mx_ao,

-- 
With best wishes
Dmitry

On 4/1/26 11:15 AM, Fenglin Wu wrote:
> Add the RPMh power domains required for the Hawi SoC. This includes
> new definitions for domains supplying specific hardware components:
> - DCX: supplies VDD_DISP
> - GBX: supplies VDD_GFX_BX
> 
> Signed-off-by: Fenglin Wu <fenglin.wu@oss.qualcomm.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad