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Message-Id: <20250912103631.1184-1-wenmeng.liu@oss.qualcomm.com>
Date: Fri, 12 Sep 2025 18:36:31 +0800
From: Wenmeng Liu <wenmeng.liu@....qualcomm.com>
To: rfoss@...nel.org, todor.too@...il.com, bryan.odonoghue@...aro.org,
        vladimir.zapolskiy@...aro.org, mchehab@...nel.org
Cc: linux-media@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Wenmeng Liu <wenmeng.liu@....qualcomm.com>
Subject: [PATCH v3] media: qcom: camss: Add support for regulator init_load_uA in CSIPHY

Some Qualcomm regulators are configured with initial mode as
HPM (High Power Mode), which may lead to higher power consumption.
To reduce power usage, it's preferable to set the initial mode
to LPM (Low Power Mode).

To ensure the regulator can switch from LPM to HPM when needed,
this patch adds current load configuration for CAMSS CSIPHY.
This allows the regulator framework to scale the mode dynamically
based on the load requirement.

The current default value for current is uninitialized or random.
To address this, initial current values are added for the
following platforms:
MSM8916, MSM8953, MSM8996, QCM2290, SDM670, SM8250, SC7280, SM8550
QCS8300, SA8775P and X1E80100.

For SDM660, SDM845, SC8280XP the value is set to 0,
indicating that no default current value is configured,
the other values are derived from the power grid.

Signed-off-by: Wenmeng Liu <wenmeng.liu@....qualcomm.com>

---
Changes in v3:
- Use devm_regulator_bulk_get_const instead of devm_regulator_bulk_get.
- Set the default current value to 0.
- Refactor the code to minimize data copying, and support more platform-specific values.
- Link to v2: https://lore.kernel.org/all/20250729-camss_csiphy_current-v2-1-da3c72a2055c@quicinc.com/

Changes in v2:
- Change the source of the current value from DTS to CAMSS resource
- Link to v1: https://lore.kernel.org/all/20250620040736.3032667-1-quic_wenmliu@quicinc.com/
---
 .../media/platform/qcom/camss/camss-csid.c    |  18 +-
 .../media/platform/qcom/camss/camss-csiphy.c  |  19 +-
 drivers/media/platform/qcom/camss/camss.c     | 290 ++++++++++++++----
 drivers/media/platform/qcom/camss/camss.h     |   2 +-
 4 files changed, 235 insertions(+), 94 deletions(-)

diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c
index 5284b5857368..ed1820488c98 100644
--- a/drivers/media/platform/qcom/camss/camss-csid.c
+++ b/drivers/media/platform/qcom/camss/camss-csid.c
@@ -1187,24 +1187,12 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid,
 
 	/* Regulator */
 	for (i = 0; i < ARRAY_SIZE(res->regulators); i++) {
-		if (res->regulators[i])
+		if (res->regulators[i].supply)
 			csid->num_supplies++;
 	}
 
-	if (csid->num_supplies) {
-		csid->supplies = devm_kmalloc_array(camss->dev,
-						    csid->num_supplies,
-						    sizeof(*csid->supplies),
-						    GFP_KERNEL);
-		if (!csid->supplies)
-			return -ENOMEM;
-	}
-
-	for (i = 0; i < csid->num_supplies; i++)
-		csid->supplies[i].supply = res->regulators[i];
-
-	ret = devm_regulator_bulk_get(camss->dev, csid->num_supplies,
-				      csid->supplies);
+	ret = devm_regulator_bulk_get_const(camss->dev, csid->num_supplies,
+					    res->regulators, &csid->supplies);
 	if (ret)
 		return ret;
 
diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c
index 2de97f58f9ae..390427c163de 100644
--- a/drivers/media/platform/qcom/camss/camss-csiphy.c
+++ b/drivers/media/platform/qcom/camss/camss-csiphy.c
@@ -694,24 +694,13 @@ int msm_csiphy_subdev_init(struct camss *camss,
 
 	/* CSIPHY supplies */
 	for (i = 0; i < ARRAY_SIZE(res->regulators); i++) {
-		if (res->regulators[i])
+		if (res->regulators[i].supply)
 			csiphy->num_supplies++;
 	}
 
-	if (csiphy->num_supplies) {
-		csiphy->supplies = devm_kmalloc_array(camss->dev,
-						      csiphy->num_supplies,
-						      sizeof(*csiphy->supplies),
-						      GFP_KERNEL);
-		if (!csiphy->supplies)
-			return -ENOMEM;
-	}
-
-	for (i = 0; i < csiphy->num_supplies; i++)
-		csiphy->supplies[i].supply = res->regulators[i];
-
-	ret = devm_regulator_bulk_get(camss->dev, csiphy->num_supplies,
-				      csiphy->supplies);
+	if (csiphy->num_supplies > 0)
+		ret = devm_regulator_bulk_get_const(camss->dev, csiphy->num_supplies,
+						    res->regulators, &csiphy->supplies);
 	return ret;
 }
 
diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c
index 2fbcd0e343aa..43e4bc5a91be 100644
--- a/drivers/media/platform/qcom/camss/camss.c
+++ b/drivers/media/platform/qcom/camss/camss.c
@@ -73,7 +73,9 @@ static const struct camss_subdev_resources csiphy_res_8x16[] = {
 static const struct camss_subdev_resources csid_res_8x16[] = {
 	/* CSID0 */
 	{
-		.regulators = { "vdda" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 40000 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi0_ahb", "ahb",
 			   "csi0", "csi0_phy", "csi0_pix", "csi0_rdi" },
 		.clock_rate = { { 0 },
@@ -95,7 +97,9 @@ static const struct camss_subdev_resources csid_res_8x16[] = {
 
 	/* CSID1 */
 	{
-		.regulators = { "vdda" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 40000 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi1_ahb", "ahb",
 			   "csi1", "csi1_phy", "csi1_pix", "csi1_rdi" },
 		.clock_rate = { { 0 },
@@ -157,7 +161,9 @@ static const struct camss_subdev_resources vfe_res_8x16[] = {
 static const struct camss_subdev_resources csid_res_8x53[] = {
 	/* CSID0 */
 	{
-		.regulators = { "vdda" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 9900 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi0_ahb", "ahb",
 			   "csi0", "csi0_phy", "csi0_pix", "csi0_rdi" },
 		.clock_rate = { { 0 },
@@ -180,7 +186,9 @@ static const struct camss_subdev_resources csid_res_8x53[] = {
 
 	/* CSID1 */
 	{
-		.regulators = { "vdda" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 9900 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi1_ahb", "ahb",
 			   "csi1", "csi1_phy", "csi1_pix", "csi1_rdi" },
 		.clock_rate = { { 0 },
@@ -203,7 +211,9 @@ static const struct camss_subdev_resources csid_res_8x53[] = {
 
 	/* CSID2 */
 	{
-		.regulators = { "vdda" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 9900 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi2_ahb", "ahb",
 			   "csi2", "csi2_phy", "csi2_pix", "csi2_rdi" },
 		.clock_rate = { { 0 },
@@ -364,7 +374,9 @@ static const struct camss_subdev_resources csiphy_res_8x96[] = {
 static const struct camss_subdev_resources csid_res_8x96[] = {
 	/* CSID0 */
 	{
-		.regulators = { "vdda" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 80160 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi0_ahb", "ahb",
 			   "csi0", "csi0_phy", "csi0_pix", "csi0_rdi" },
 		.clock_rate = { { 0 },
@@ -386,7 +398,9 @@ static const struct camss_subdev_resources csid_res_8x96[] = {
 
 	/* CSID1 */
 	{
-		.regulators = { "vdda" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 80160 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi1_ahb", "ahb",
 			   "csi1", "csi1_phy", "csi1_pix", "csi1_rdi" },
 		.clock_rate = { { 0 },
@@ -408,7 +422,9 @@ static const struct camss_subdev_resources csid_res_8x96[] = {
 
 	/* CSID2 */
 	{
-		.regulators = { "vdda" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 80160 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi2_ahb", "ahb",
 			   "csi2", "csi2_phy", "csi2_pix", "csi2_rdi" },
 		.clock_rate = { { 0 },
@@ -430,7 +446,9 @@ static const struct camss_subdev_resources csid_res_8x96[] = {
 
 	/* CSID3 */
 	{
-		.regulators = { "vdda" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 80160 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi3_ahb", "ahb",
 			   "csi3", "csi3_phy", "csi3_pix", "csi3_rdi" },
 		.clock_rate = { { 0 },
@@ -518,7 +536,10 @@ static const struct camss_subdev_resources vfe_res_8x96[] = {
 static const struct camss_subdev_resources csiphy_res_2290[] = {
 	/* CSIPHY0 */
 	{
-		.regulators = { "vdd-csiphy-1p2", "vdd-csiphy-1p8" },
+		.regulators = {
+			{ .supply = "vdd-csiphy-1p2", .init_load_uA = 26700 },
+			{ .supply = "vdd-csiphy-1p8", .init_load_uA = 2600 }
+		},
 		.clock = { "top_ahb", "ahb", "csiphy0", "csiphy0_timer" },
 		.clock_rate = { { 0 },
 				{ 0 },
@@ -535,7 +556,10 @@ static const struct camss_subdev_resources csiphy_res_2290[] = {
 
 	/* CSIPHY1 */
 	{
-		.regulators = { "vdd-csiphy-1p2", "vdd-csiphy-1p8" },
+		.regulators = {
+			{ .supply = "vdd-csiphy-1p2", .init_load_uA = 26700 },
+			{ .supply = "vdd-csiphy-1p8", .init_load_uA = 2600 }
+		},
 		.clock = { "top_ahb", "ahb", "csiphy1", "csiphy1_timer" },
 		.clock_rate = { { 0 },
 				{ 0 },
@@ -711,7 +735,10 @@ static const struct camss_subdev_resources csiphy_res_660[] = {
 static const struct camss_subdev_resources csid_res_660[] = {
 	/* CSID0 */
 	{
-		.regulators = { "vdda", "vdd_sec" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 0 },
+			{ .supply = "vdd_sec", .init_load_uA = 0 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi0_ahb", "ahb",
 			   "csi0", "csi0_phy", "csi0_pix", "csi0_rdi",
 			   "cphy_csid0" },
@@ -736,7 +763,10 @@ static const struct camss_subdev_resources csid_res_660[] = {
 
 	/* CSID1 */
 	{
-		.regulators = { "vdda", "vdd_sec" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 0 },
+			{ .supply = "vdd_sec", .init_load_uA = 0 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi1_ahb", "ahb",
 			   "csi1", "csi1_phy", "csi1_pix", "csi1_rdi",
 			   "cphy_csid1" },
@@ -761,7 +791,10 @@ static const struct camss_subdev_resources csid_res_660[] = {
 
 	/* CSID2 */
 	{
-		.regulators = { "vdda", "vdd_sec" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 0 },
+			{ .supply = "vdd_sec", .init_load_uA = 0 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi2_ahb", "ahb",
 			   "csi2", "csi2_phy", "csi2_pix", "csi2_rdi",
 			   "cphy_csid2" },
@@ -786,7 +819,10 @@ static const struct camss_subdev_resources csid_res_660[] = {
 
 	/* CSID3 */
 	{
-		.regulators = { "vdda", "vdd_sec" },
+		.regulators = {
+			{ .supply = "vdda", .init_load_uA = 0 },
+			{ .supply = "vdd_sec", .init_load_uA = 0 }
+		},
 		.clock = { "top_ahb", "ispif_ahb", "csi3_ahb", "ahb",
 			   "csi3", "csi3_phy", "csi3_pix", "csi3_rdi",
 			   "cphy_csid3" },
@@ -883,7 +919,10 @@ static const struct camss_subdev_resources vfe_res_660[] = {
 static const struct camss_subdev_resources csiphy_res_670[] = {
 	/* CSIPHY0 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 42800 },
+			{ .supply = "vdda-pll", .init_load_uA = 13900 }
+		},
 		.clock = { "soc_ahb", "cpas_ahb",
 			   "csiphy0", "csiphy0_timer" },
 		.clock_rate = { { 0 },
@@ -901,7 +940,10 @@ static const struct camss_subdev_resources csiphy_res_670[] = {
 
 	/* CSIPHY1 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 42800 },
+			{ .supply = "vdda-pll", .init_load_uA = 13900 }
+		},
 		.clock = { "soc_ahb", "cpas_ahb",
 			   "csiphy1", "csiphy1_timer" },
 		.clock_rate = { { 0 },
@@ -919,7 +961,10 @@ static const struct camss_subdev_resources csiphy_res_670[] = {
 
 	/* CSIPHY2 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 42800 },
+			{ .supply = "vdda-pll", .init_load_uA = 13900 }
+		},
 		.clock = { "soc_ahb", "cpas_ahb",
 			   "csiphy2", "csiphy2_timer" },
 		.clock_rate = { { 0 },
@@ -1159,7 +1204,10 @@ static const struct camss_subdev_resources csiphy_res_845[] = {
 static const struct camss_subdev_resources csid_res_845[] = {
 	/* CSID0 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 0 },
+			{ .supply = "vdda-pll", .init_load_uA = 0 }
+		},
 		.clock = { "cpas_ahb", "cphy_rx_src", "slow_ahb_src",
 				"soc_ahb", "vfe0", "vfe0_src",
 				"vfe0_cphy_rx", "csi0",
@@ -1184,7 +1232,10 @@ static const struct camss_subdev_resources csid_res_845[] = {
 
 	/* CSID1 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 0 },
+			{ .supply = "vdda-pll", .init_load_uA = 0 }
+		},
 		.clock = { "cpas_ahb", "cphy_rx_src", "slow_ahb_src",
 				"soc_ahb", "vfe1", "vfe1_src",
 				"vfe1_cphy_rx", "csi1",
@@ -1209,7 +1260,10 @@ static const struct camss_subdev_resources csid_res_845[] = {
 
 	/* CSID2 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 0 },
+			{ .supply = "vdda-pll", .init_load_uA = 0 }
+		},
 		.clock = { "cpas_ahb", "cphy_rx_src", "slow_ahb_src",
 				"soc_ahb", "vfe_lite", "vfe_lite_src",
 				"vfe_lite_cphy_rx", "csi2",
@@ -1321,7 +1375,10 @@ static const struct camss_subdev_resources vfe_res_845[] = {
 static const struct camss_subdev_resources csiphy_res_8250[] = {
 	/* CSIPHY0 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 17500 },
+			{ .supply = "vdda-pll", .init_load_uA = 10000 }
+		},
 		.clock = { "csiphy0", "csiphy0_timer" },
 		.clock_rate = { { 400000000 },
 				{ 300000000 } },
@@ -1335,7 +1392,10 @@ static const struct camss_subdev_resources csiphy_res_8250[] = {
 	},
 	/* CSIPHY1 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 17500 },
+			{ .supply = "vdda-pll", .init_load_uA = 10000 }
+		},
 		.clock = { "csiphy1", "csiphy1_timer" },
 		.clock_rate = { { 400000000 },
 				{ 300000000 } },
@@ -1349,7 +1409,10 @@ static const struct camss_subdev_resources csiphy_res_8250[] = {
 	},
 	/* CSIPHY2 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 17500 },
+			{ .supply = "vdda-pll", .init_load_uA = 10000 }
+		},
 		.clock = { "csiphy2", "csiphy2_timer" },
 		.clock_rate = { { 400000000 },
 				{ 300000000 } },
@@ -1363,7 +1426,10 @@ static const struct camss_subdev_resources csiphy_res_8250[] = {
 	},
 	/* CSIPHY3 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 17500 },
+			{ .supply = "vdda-pll", .init_load_uA = 10000 }
+		},
 		.clock = { "csiphy3", "csiphy3_timer" },
 		.clock_rate = { { 400000000 },
 				{ 300000000 } },
@@ -1377,7 +1443,10 @@ static const struct camss_subdev_resources csiphy_res_8250[] = {
 	},
 	/* CSIPHY4 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 17500 },
+			{ .supply = "vdda-pll", .init_load_uA = 10000 }
+		},
 		.clock = { "csiphy4", "csiphy4_timer" },
 		.clock_rate = { { 400000000 },
 				{ 300000000 } },
@@ -1391,7 +1460,10 @@ static const struct camss_subdev_resources csiphy_res_8250[] = {
 	},
 	/* CSIPHY5 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 17500 },
+			{ .supply = "vdda-pll", .init_load_uA = 10000 }
+		},
 		.clock = { "csiphy5", "csiphy5_timer" },
 		.clock_rate = { { 400000000 },
 				{ 300000000 } },
@@ -1605,7 +1677,10 @@ static const struct resources_icc icc_res_sm8250[] = {
 static const struct camss_subdev_resources csiphy_res_7280[] = {
 	/* CSIPHY0 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 16100 },
+			{ .supply = "vdda-pll", .init_load_uA = 9000 }
+		},
 
 		.clock = { "csiphy0", "csiphy0_timer" },
 		.clock_rate = { { 300000000, 400000000 },
@@ -1620,7 +1695,10 @@ static const struct camss_subdev_resources csiphy_res_7280[] = {
 	},
 	/* CSIPHY1 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 16100 },
+			{ .supply = "vdda-pll", .init_load_uA = 9000 }
+		},
 
 		.clock = { "csiphy1", "csiphy1_timer" },
 		.clock_rate = { { 300000000, 400000000 },
@@ -1635,7 +1713,10 @@ static const struct camss_subdev_resources csiphy_res_7280[] = {
 	},
 	/* CSIPHY2 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 16100 },
+			{ .supply = "vdda-pll", .init_load_uA = 9000 }
+		},
 
 		.clock = { "csiphy2", "csiphy2_timer" },
 		.clock_rate = { { 300000000, 400000000 },
@@ -1650,7 +1731,10 @@ static const struct camss_subdev_resources csiphy_res_7280[] = {
 	},
 	/* CSIPHY3 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 16100 },
+			{ .supply = "vdda-pll", .init_load_uA = 9000 }
+		},
 
 		.clock = { "csiphy3", "csiphy3_timer" },
 		.clock_rate = { { 300000000, 400000000 },
@@ -1665,7 +1749,10 @@ static const struct camss_subdev_resources csiphy_res_7280[] = {
 	},
 	/* CSIPHY4 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 16100 },
+			{ .supply = "vdda-pll", .init_load_uA = 9000 }
+		},
 
 		.clock = { "csiphy4", "csiphy4_timer" },
 		.clock_rate = { { 300000000, 400000000 },
@@ -1978,7 +2065,10 @@ static const struct camss_subdev_resources csiphy_res_sc8280xp[] = {
 static const struct camss_subdev_resources csid_res_sc8280xp[] = {
 	/* CSID0 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 0 },
+			{ .supply = "vdda-pll", .init_load_uA = 0 }
+		},
 		.clock = { "vfe0_csid", "vfe0_cphy_rx", "vfe0", "vfe0_axi" },
 		.clock_rate = { { 400000000, 480000000, 600000000 },
 				{ 0 },
@@ -1994,7 +2084,10 @@ static const struct camss_subdev_resources csid_res_sc8280xp[] = {
 	},
 	/* CSID1 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 0 },
+			{ .supply = "vdda-pll", .init_load_uA = 0 }
+		},
 		.clock = { "vfe1_csid", "vfe1_cphy_rx", "vfe1", "vfe1_axi" },
 		.clock_rate = { { 400000000, 480000000, 600000000 },
 				{ 0 },
@@ -2010,7 +2103,10 @@ static const struct camss_subdev_resources csid_res_sc8280xp[] = {
 	},
 	/* CSID2 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 0 },
+			{ .supply = "vdda-pll", .init_load_uA = 0 }
+		},
 		.clock = { "vfe2_csid", "vfe2_cphy_rx", "vfe2", "vfe2_axi" },
 		.clock_rate = { { 400000000, 480000000, 600000000 },
 				{ 0 },
@@ -2026,7 +2122,10 @@ static const struct camss_subdev_resources csid_res_sc8280xp[] = {
 	},
 	/* CSID3 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 0 },
+			{ .supply = "vdda-pll", .init_load_uA = 0 }
+		},
 		.clock = { "vfe3_csid", "vfe3_cphy_rx", "vfe3", "vfe3_axi" },
 		.clock_rate = { { 400000000, 480000000, 600000000 },
 				{ 0 },
@@ -2042,7 +2141,10 @@ static const struct camss_subdev_resources csid_res_sc8280xp[] = {
 	},
 	/* CSID_LITE0 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 0 },
+			{ .supply = "vdda-pll", .init_load_uA = 0 }
+		},
 		.clock = { "vfe_lite0_csid", "vfe_lite0_cphy_rx", "vfe_lite0" },
 		.clock_rate = { { 400000000, 480000000, 600000000 },
 				{ 0 },
@@ -2058,7 +2160,10 @@ static const struct camss_subdev_resources csid_res_sc8280xp[] = {
 	},
 	/* CSID_LITE1 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 0 },
+			{ .supply = "vdda-pll", .init_load_uA = 0 }
+		},
 		.clock = { "vfe_lite1_csid", "vfe_lite1_cphy_rx", "vfe_lite1" },
 		.clock_rate = { { 400000000, 480000000, 600000000 },
 				{ 0 },
@@ -2074,7 +2179,10 @@ static const struct camss_subdev_resources csid_res_sc8280xp[] = {
 	},
 	/* CSID_LITE2 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 0 },
+			{ .supply = "vdda-pll", .init_load_uA = 0 }
+		},
 		.clock = { "vfe_lite2_csid", "vfe_lite2_cphy_rx", "vfe_lite2" },
 		.clock_rate = { { 400000000, 480000000, 600000000 },
 				{ 0 },
@@ -2090,7 +2198,10 @@ static const struct camss_subdev_resources csid_res_sc8280xp[] = {
 	},
 	/* CSID_LITE3 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 0 },
+			{ .supply = "vdda-pll", .init_load_uA = 0 }
+		},
 		.clock = { "vfe_lite3_csid", "vfe_lite3_cphy_rx", "vfe_lite3" },
 		.clock_rate = { { 400000000, 480000000, 600000000 },
 				{ 0 },
@@ -2291,7 +2402,10 @@ static const struct resources_icc icc_res_sc8280xp[] = {
 static const struct camss_subdev_resources csiphy_res_8550[] = {
 	/* CSIPHY0 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 32200 },
+			{ .supply = "vdda-pll", .init_load_uA = 18000 }
+		},
 		.clock = { "csiphy0", "csiphy0_timer" },
 		.clock_rate = { { 400000000, 480000000 },
 				{ 400000000 } },
@@ -2305,7 +2419,10 @@ static const struct camss_subdev_resources csiphy_res_8550[] = {
 	},
 	/* CSIPHY1 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 32200 },
+			{ .supply = "vdda-pll", .init_load_uA = 18000 }
+		},
 		.clock = { "csiphy1", "csiphy1_timer" },
 		.clock_rate = { { 400000000, 480000000 },
 				{ 400000000 } },
@@ -2319,7 +2436,10 @@ static const struct camss_subdev_resources csiphy_res_8550[] = {
 	},
 	/* CSIPHY2 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 32200 },
+			{ .supply = "vdda-pll", .init_load_uA = 18000 }
+		},
 		.clock = { "csiphy2", "csiphy2_timer" },
 		.clock_rate = { { 400000000, 480000000 },
 				{ 400000000 } },
@@ -2333,7 +2453,10 @@ static const struct camss_subdev_resources csiphy_res_8550[] = {
 	},
 	/* CSIPHY3 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 32200 },
+			{ .supply = "vdda-pll", .init_load_uA = 18000 }
+		},
 		.clock = { "csiphy3", "csiphy3_timer" },
 		.clock_rate = { { 400000000, 480000000 },
 				{ 400000000 } },
@@ -2347,7 +2470,10 @@ static const struct camss_subdev_resources csiphy_res_8550[] = {
 	},
 	/* CSIPHY4 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 37900 },
+			{ .supply = "vdda-pll", .init_load_uA = 18600 }
+		},
 		.clock = { "csiphy4", "csiphy4_timer" },
 		.clock_rate = { { 400000000, 480000000 },
 				{ 400000000 } },
@@ -2361,7 +2487,10 @@ static const struct camss_subdev_resources csiphy_res_8550[] = {
 	},
 	/* CSIPHY5 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 32200 },
+			{ .supply = "vdda-pll", .init_load_uA = 18000 }
+		},
 		.clock = { "csiphy5", "csiphy5_timer" },
 		.clock_rate = { { 400000000, 480000000 },
 				{ 400000000 } },
@@ -2375,7 +2504,10 @@ static const struct camss_subdev_resources csiphy_res_8550[] = {
 	},
 	/* CSIPHY6 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 37900 },
+			{ .supply = "vdda-pll", .init_load_uA = 18600 }
+		},
 		.clock = { "csiphy6", "csiphy6_timer" },
 		.clock_rate = { { 400000000, 480000000 },
 				{ 400000000 } },
@@ -2389,7 +2521,10 @@ static const struct camss_subdev_resources csiphy_res_8550[] = {
 	},
 	/* CSIPHY7 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 32200 },
+			{ .supply = "vdda-pll", .init_load_uA = 18000 }
+		},
 		.clock = { "csiphy7", "csiphy7_timer" },
 		.clock_rate = { { 400000000, 480000000 },
 				{ 400000000 } },
@@ -2620,7 +2755,10 @@ static const struct resources_icc icc_res_sm8550[] = {
 static const struct camss_subdev_resources csiphy_res_8300[] = {
 	/* CSIPHY0 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 15900 },
+			{ .supply = "vdda-pll", .init_load_uA = 8900 }
+		},
 
 		.clock = { "csiphy_rx", "csiphy0", "csiphy0_timer" },
 		.clock_rate = {
@@ -2638,7 +2776,10 @@ static const struct camss_subdev_resources csiphy_res_8300[] = {
 	},
 	/* CSIPHY1 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 15900 },
+			{ .supply = "vdda-pll", .init_load_uA = 8900 }
+		},
 
 		.clock = { "csiphy_rx", "csiphy1", "csiphy1_timer" },
 		.clock_rate = {
@@ -2656,7 +2797,10 @@ static const struct camss_subdev_resources csiphy_res_8300[] = {
 	},
 	/* CSIPHY2 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 15900 },
+			{ .supply = "vdda-pll", .init_load_uA = 8900 }
+		},
 
 		.clock = { "csiphy_rx", "csiphy2", "csiphy2_timer" },
 		.clock_rate = {
@@ -2677,7 +2821,10 @@ static const struct camss_subdev_resources csiphy_res_8300[] = {
 static const struct camss_subdev_resources csiphy_res_8775p[] = {
 	/* CSIPHY0 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 15900 },
+			{ .supply = "vdda-pll", .init_load_uA = 8900 }
+		},
 		.clock = { "csiphy_rx", "csiphy0", "csiphy0_timer"},
 		.clock_rate = {
 			{ 400000000 },
@@ -2694,7 +2841,10 @@ static const struct camss_subdev_resources csiphy_res_8775p[] = {
 	},
 	/* CSIPHY1 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 15900 },
+			{ .supply = "vdda-pll", .init_load_uA = 8900 }
+		},
 		.clock = { "csiphy_rx", "csiphy1", "csiphy1_timer"},
 		.clock_rate = {
 			{ 400000000 },
@@ -2711,7 +2861,10 @@ static const struct camss_subdev_resources csiphy_res_8775p[] = {
 	},
 	/* CSIPHY2 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 15900 },
+			{ .supply = "vdda-pll", .init_load_uA = 8900 }
+		},
 		.clock = { "csiphy_rx", "csiphy2", "csiphy2_timer"},
 		.clock_rate = {
 			{ 400000000 },
@@ -2728,7 +2881,10 @@ static const struct camss_subdev_resources csiphy_res_8775p[] = {
 	},
 	/* CSIPHY3 */
 	{
-		.regulators = { "vdda-phy", "vdda-pll" },
+		.regulators = {
+			{ .supply = "vdda-phy", .init_load_uA = 15900 },
+			{ .supply = "vdda-pll", .init_load_uA = 8900 }
+		},
 		.clock = { "csiphy_rx", "csiphy3", "csiphy3_timer"},
 		.clock_rate = {
 			{ 400000000 },
@@ -3081,8 +3237,10 @@ static const struct resources_icc icc_res_sa8775p[] = {
 static const struct camss_subdev_resources csiphy_res_x1e80100[] = {
 	/* CSIPHY0 */
 	{
-		.regulators = { "vdd-csiphy-0p8",
-				"vdd-csiphy-1p2" },
+		.regulators = {
+			{ .supply = "vdd-csiphy-0p8", .init_load_uA = 105000 },
+			{ .supply = "vdd-csiphy-1p2", .init_load_uA = 58900 }
+		},
 		.clock = { "csiphy0", "csiphy0_timer" },
 		.clock_rate = { { 300000000, 400000000, 480000000 },
 				{ 266666667, 400000000 } },
@@ -3096,8 +3254,10 @@ static const struct camss_subdev_resources csiphy_res_x1e80100[] = {
 	},
 	/* CSIPHY1 */
 	{
-		.regulators = { "vdd-csiphy-0p8",
-				"vdd-csiphy-1p2" },
+		.regulators = {
+			{ .supply = "vdd-csiphy-0p8", .init_load_uA = 105000 },
+			{ .supply = "vdd-csiphy-1p2", .init_load_uA = 58900 }
+		},
 		.clock = { "csiphy1", "csiphy1_timer" },
 		.clock_rate = { { 300000000, 400000000, 480000000 },
 				{ 266666667, 400000000 } },
@@ -3111,8 +3271,10 @@ static const struct camss_subdev_resources csiphy_res_x1e80100[] = {
 	},
 	/* CSIPHY2 */
 	{
-		.regulators = { "vdd-csiphy-0p8",
-				"vdd-csiphy-1p2" },
+		.regulators = {
+			{ .supply = "vdd-csiphy-0p8", .init_load_uA = 105000 },
+			{ .supply = "vdd-csiphy-1p2", .init_load_uA = 58900 }
+		},
 		.clock = { "csiphy2", "csiphy2_timer" },
 		.clock_rate = { { 300000000, 400000000, 480000000 },
 				{ 266666667, 400000000 } },
@@ -3126,8 +3288,10 @@ static const struct camss_subdev_resources csiphy_res_x1e80100[] = {
 	},
 	/* CSIPHY4 */
 	{
-		.regulators = { "vdd-csiphy-0p8",
-				"vdd-csiphy-1p2" },
+		.regulators = {
+			{ .supply = "vdd-csiphy-0p8", .init_load_uA = 105000 },
+			{ .supply = "vdd-csiphy-1p2", .init_load_uA = 58900 }
+		},
 		.clock = { "csiphy4", "csiphy4_timer" },
 		.clock_rate = { { 300000000, 400000000, 480000000 },
 				{ 266666667, 400000000 } },
diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h
index a70fbc78ccc3..3d5095158338 100644
--- a/drivers/media/platform/qcom/camss/camss.h
+++ b/drivers/media/platform/qcom/camss/camss.h
@@ -43,7 +43,7 @@
 #define CAMSS_RES_MAX 17
 
 struct camss_subdev_resources {
-	char *regulators[CAMSS_RES_MAX];
+	struct regulator_bulk_data regulators[CAMSS_RES_MAX];
 	char *clock[CAMSS_RES_MAX];
 	char *clock_for_reset[CAMSS_RES_MAX];
 	u32 clock_rate[CAMSS_RES_MAX][CAMSS_RES_MAX];
-- 
2.34.1


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