media: camss: Add regulator_bulk support
authorBryan O'Donoghue <bryan.odonoghue@linaro.org>
Tue, 11 Jan 2022 12:52:09 +0000 (13:52 +0100)
committerMauro Carvalho Chehab <mchehab@kernel.org>
Mon, 7 Mar 2022 10:46:12 +0000 (11:46 +0100)
Add the ability to enable or disable multiple regulators in bulk with
camss. This is useful for sm8250, sdm845 and it looks like sdm660 where we
have more than one CSI regulator to do at once.

It should just work for standalone existing vdda regulators and parts which
don't have an explicitly defined CSI regulator.

[hverkuil: fix camss-csid.c:163:13: warning: 'ret' may be used uninitialized in this function]

Reported-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
drivers/media/platform/qcom/camss/camss-csid.c
drivers/media/platform/qcom/camss/camss-csid.h
drivers/media/platform/qcom/camss/camss.c
drivers/media/platform/qcom/camss/camss.h

index 97e0dc3f0cdb35709d98141e82ef9476c41b9ede..f993f349b66bf672b21143f83e900dc59b86c675 100644 (file)
@@ -160,7 +160,7 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
        struct device *dev = camss->dev;
        struct vfe_device *vfe = &camss->vfe[csid->id];
        u32 version = camss->version;
-       int ret;
+       int ret = 0;
 
        if (on) {
                if (version == CAMSS_8250 || version == CAMSS_845) {
@@ -173,7 +173,8 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
                if (ret < 0)
                        return ret;
 
-               ret = csid->vdda ? regulator_enable(csid->vdda) : 0;
+               ret = regulator_bulk_enable(csid->num_supplies,
+                                           csid->supplies);
                if (ret < 0) {
                        pm_runtime_put_sync(dev);
                        return ret;
@@ -181,16 +182,16 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
 
                ret = csid_set_clock_rates(csid);
                if (ret < 0) {
-                       if (csid->vdda)
-                               regulator_disable(csid->vdda);
+                       regulator_bulk_disable(csid->num_supplies,
+                                              csid->supplies);
                        pm_runtime_put_sync(dev);
                        return ret;
                }
 
                ret = camss_enable_clocks(csid->nclocks, csid->clock, dev);
                if (ret < 0) {
-                       if (csid->vdda)
-                               regulator_disable(csid->vdda);
+                       regulator_bulk_disable(csid->num_supplies,
+                                              csid->supplies);
                        pm_runtime_put_sync(dev);
                        return ret;
                }
@@ -201,8 +202,8 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
                if (ret < 0) {
                        disable_irq(csid->irq);
                        camss_disable_clocks(csid->nclocks, csid->clock);
-                       if (csid->vdda)
-                               regulator_disable(csid->vdda);
+                       regulator_bulk_disable(csid->num_supplies,
+                                              csid->supplies);
                        pm_runtime_put_sync(dev);
                        return ret;
                }
@@ -211,7 +212,8 @@ static int csid_set_power(struct v4l2_subdev *sd, int on)
        } else {
                disable_irq(csid->irq);
                camss_disable_clocks(csid->nclocks, csid->clock);
-               ret = csid->vdda ? regulator_disable(csid->vdda) : 0;
+               regulator_bulk_disable(csid->num_supplies,
+                                      csid->supplies);
                pm_runtime_put_sync(dev);
                if (version == CAMSS_8250 || version == CAMSS_845)
                        vfe_put(vfe);
@@ -656,15 +658,28 @@ 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])
+                       csid->num_supplies++;
+       }
 
-       csid->vdda = NULL;
-       if (res->regulator[0])
-               csid->vdda = devm_regulator_get(dev, res->regulator[0]);
-       if (IS_ERR(csid->vdda)) {
-               dev_err(dev, "could not get regulator\n");
-               return PTR_ERR(csid->vdda);
+       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);
+       if (ret)
+               return ret;
+
        init_completion(&csid->reset_complete);
 
        return 0;
index 17a50fa426be151beff64d7f7dd5f72f0e67b108..f06040e44c515e14bd0fec6592985c5d207eb2f9 100644 (file)
@@ -152,7 +152,8 @@ struct csid_device {
        char irq_name[30];
        struct camss_clock *clock;
        int nclocks;
-       struct regulator *vdda;
+       struct regulator_bulk_data *supplies;
+       int num_supplies;
        struct completion reset_complete;
        struct csid_testgen_config testgen;
        struct csid_phy_config phy;
index 04be5e71fecabdb3d5317fcff45a16db3331f936..81b48ca92f44f9d34bd3a8c873a8a47ca9e721d4 100644 (file)
@@ -34,7 +34,7 @@
 static const struct resources csiphy_res_8x16[] = {
        /* CSIPHY0 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy0_timer" },
                .clock_rate = { { 0 },
                                { 0 },
@@ -46,7 +46,7 @@ static const struct resources csiphy_res_8x16[] = {
 
        /* CSIPHY1 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy1_timer" },
                .clock_rate = { { 0 },
                                { 0 },
@@ -60,7 +60,7 @@ static const struct resources csiphy_res_8x16[] = {
 static const struct resources csid_res_8x16[] = {
        /* CSID0 */
        {
-               .regulator = { "vdda" },
+               .regulators = { "vdda" },
                .clock = { "top_ahb", "ispif_ahb", "csi0_ahb", "ahb",
                           "csi0", "csi0_phy", "csi0_pix", "csi0_rdi" },
                .clock_rate = { { 0 },
@@ -77,7 +77,7 @@ static const struct resources csid_res_8x16[] = {
 
        /* CSID1 */
        {
-               .regulator = { "vdda" },
+               .regulators = { "vdda" },
                .clock = { "top_ahb", "ispif_ahb", "csi1_ahb", "ahb",
                           "csi1", "csi1_phy", "csi1_pix", "csi1_rdi" },
                .clock_rate = { { 0 },
@@ -107,7 +107,7 @@ static const struct resources_ispif ispif_res_8x16 = {
 static const struct resources vfe_res_8x16[] = {
        /* VFE0 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "top_ahb", "vfe0", "csi_vfe0",
                           "vfe_ahb", "vfe_axi", "ahb" },
                .clock_rate = { { 0 },
@@ -129,7 +129,7 @@ static const struct resources vfe_res_8x16[] = {
 static const struct resources csiphy_res_8x96[] = {
        /* CSIPHY0 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy0_timer" },
                .clock_rate = { { 0 },
                                { 0 },
@@ -141,7 +141,7 @@ static const struct resources csiphy_res_8x96[] = {
 
        /* CSIPHY1 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy1_timer" },
                .clock_rate = { { 0 },
                                { 0 },
@@ -153,7 +153,7 @@ static const struct resources csiphy_res_8x96[] = {
 
        /* CSIPHY2 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy2_timer" },
                .clock_rate = { { 0 },
                                { 0 },
@@ -167,7 +167,7 @@ static const struct resources csiphy_res_8x96[] = {
 static const struct resources csid_res_8x96[] = {
        /* CSID0 */
        {
-               .regulator = { "vdda" },
+               .regulators = { "vdda" },
                .clock = { "top_ahb", "ispif_ahb", "csi0_ahb", "ahb",
                           "csi0", "csi0_phy", "csi0_pix", "csi0_rdi" },
                .clock_rate = { { 0 },
@@ -184,7 +184,7 @@ static const struct resources csid_res_8x96[] = {
 
        /* CSID1 */
        {
-               .regulator = { "vdda" },
+               .regulators = { "vdda" },
                .clock = { "top_ahb", "ispif_ahb", "csi1_ahb", "ahb",
                           "csi1", "csi1_phy", "csi1_pix", "csi1_rdi" },
                .clock_rate = { { 0 },
@@ -201,7 +201,7 @@ static const struct resources csid_res_8x96[] = {
 
        /* CSID2 */
        {
-               .regulator = { "vdda" },
+               .regulators = { "vdda" },
                .clock = { "top_ahb", "ispif_ahb", "csi2_ahb", "ahb",
                           "csi2", "csi2_phy", "csi2_pix", "csi2_rdi" },
                .clock_rate = { { 0 },
@@ -218,7 +218,7 @@ static const struct resources csid_res_8x96[] = {
 
        /* CSID3 */
        {
-               .regulator = { "vdda" },
+               .regulators = { "vdda" },
                .clock = { "top_ahb", "ispif_ahb", "csi3_ahb", "ahb",
                           "csi3", "csi3_phy", "csi3_pix", "csi3_rdi" },
                .clock_rate = { { 0 },
@@ -249,7 +249,7 @@ static const struct resources_ispif ispif_res_8x96 = {
 static const struct resources vfe_res_8x96[] = {
        /* VFE0 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "top_ahb", "ahb", "vfe0", "csi_vfe0", "vfe_ahb",
                           "vfe0_ahb", "vfe_axi", "vfe0_stream"},
                .clock_rate = { { 0 },
@@ -267,7 +267,7 @@ static const struct resources vfe_res_8x96[] = {
 
        /* VFE1 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "top_ahb", "ahb", "vfe1", "csi_vfe1", "vfe_ahb",
                           "vfe1_ahb", "vfe_axi", "vfe1_stream"},
                .clock_rate = { { 0 },
@@ -287,7 +287,7 @@ static const struct resources vfe_res_8x96[] = {
 static const struct resources csiphy_res_660[] = {
        /* CSIPHY0 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy0_timer",
                           "csi0_phy", "csiphy_ahb2crif" },
                .clock_rate = { { 0 },
@@ -301,7 +301,7 @@ static const struct resources csiphy_res_660[] = {
 
        /* CSIPHY1 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy1_timer",
                           "csi1_phy", "csiphy_ahb2crif" },
                .clock_rate = { { 0 },
@@ -315,7 +315,7 @@ static const struct resources csiphy_res_660[] = {
 
        /* CSIPHY2 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "top_ahb", "ispif_ahb", "ahb", "csiphy2_timer",
                           "csi2_phy", "csiphy_ahb2crif" },
                .clock_rate = { { 0 },
@@ -331,7 +331,7 @@ static const struct resources csiphy_res_660[] = {
 static const struct resources csid_res_660[] = {
        /* CSID0 */
        {
-               .regulator = { "vdda", "vdd_sec" },
+               .regulators = { "vdda", "vdd_sec" },
                .clock = { "top_ahb", "ispif_ahb", "csi0_ahb", "ahb",
                           "csi0", "csi0_phy", "csi0_pix", "csi0_rdi",
                           "cphy_csid0" },
@@ -351,7 +351,7 @@ static const struct resources csid_res_660[] = {
 
        /* CSID1 */
        {
-               .regulator = { "vdda", "vdd_sec" },
+               .regulators = { "vdda", "vdd_sec" },
                .clock = { "top_ahb", "ispif_ahb", "csi1_ahb", "ahb",
                           "csi1", "csi1_phy", "csi1_pix", "csi1_rdi",
                           "cphy_csid1" },
@@ -371,7 +371,7 @@ static const struct resources csid_res_660[] = {
 
        /* CSID2 */
        {
-               .regulator = { "vdda", "vdd_sec" },
+               .regulators = { "vdda", "vdd_sec" },
                .clock = { "top_ahb", "ispif_ahb", "csi2_ahb", "ahb",
                           "csi2", "csi2_phy", "csi2_pix", "csi2_rdi",
                           "cphy_csid2" },
@@ -391,7 +391,7 @@ static const struct resources csid_res_660[] = {
 
        /* CSID3 */
        {
-               .regulator = { "vdda", "vdd_sec" },
+               .regulators = { "vdda", "vdd_sec" },
                .clock = { "top_ahb", "ispif_ahb", "csi3_ahb", "ahb",
                           "csi3", "csi3_phy", "csi3_pix", "csi3_rdi",
                           "cphy_csid3" },
@@ -425,7 +425,7 @@ static const struct resources_ispif ispif_res_660 = {
 static const struct resources vfe_res_660[] = {
        /* VFE0 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "throttle_axi", "top_ahb", "ahb", "vfe0",
                           "csi_vfe0", "vfe_ahb", "vfe0_ahb", "vfe_axi",
                           "vfe0_stream"},
@@ -446,7 +446,7 @@ static const struct resources vfe_res_660[] = {
 
        /* VFE1 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "throttle_axi", "top_ahb", "ahb", "vfe1",
                           "csi_vfe1", "vfe_ahb", "vfe1_ahb", "vfe_axi",
                           "vfe1_stream"},
@@ -469,7 +469,7 @@ static const struct resources vfe_res_660[] = {
 static const struct resources csiphy_res_845[] = {
        /* CSIPHY0 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "camnoc_axi", "soc_ahb", "slow_ahb_src",
                                "cpas_ahb", "cphy_rx_src", "csiphy0",
                                "csiphy0_timer_src", "csiphy0_timer" },
@@ -487,7 +487,7 @@ static const struct resources csiphy_res_845[] = {
 
        /* CSIPHY1 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "camnoc_axi", "soc_ahb", "slow_ahb_src",
                                "cpas_ahb", "cphy_rx_src", "csiphy1",
                                "csiphy1_timer_src", "csiphy1_timer" },
@@ -505,7 +505,7 @@ static const struct resources csiphy_res_845[] = {
 
        /* CSIPHY2 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "camnoc_axi", "soc_ahb", "slow_ahb_src",
                                "cpas_ahb", "cphy_rx_src", "csiphy2",
                                "csiphy2_timer_src", "csiphy2_timer" },
@@ -523,7 +523,7 @@ static const struct resources csiphy_res_845[] = {
 
        /* CSIPHY3 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "camnoc_axi", "soc_ahb", "slow_ahb_src",
                                "cpas_ahb", "cphy_rx_src", "csiphy3",
                                "csiphy3_timer_src", "csiphy3_timer" },
@@ -543,7 +543,7 @@ static const struct resources csiphy_res_845[] = {
 static const struct resources csid_res_845[] = {
        /* CSID0 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "cpas_ahb", "cphy_rx_src", "slow_ahb_src",
                                "soc_ahb", "vfe0", "vfe0_src",
                                "vfe0_cphy_rx", "csi0",
@@ -563,7 +563,7 @@ static const struct resources csid_res_845[] = {
 
        /* CSID1 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "cpas_ahb", "cphy_rx_src", "slow_ahb_src",
                                "soc_ahb", "vfe1", "vfe1_src",
                                "vfe1_cphy_rx", "csi1",
@@ -583,7 +583,7 @@ static const struct resources csid_res_845[] = {
 
        /* CSID2 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "cpas_ahb", "cphy_rx_src", "slow_ahb_src",
                                "soc_ahb", "vfe_lite", "vfe_lite_src",
                                "vfe_lite_cphy_rx", "csi2",
@@ -605,7 +605,7 @@ static const struct resources csid_res_845[] = {
 static const struct resources vfe_res_845[] = {
        /* VFE0 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "camnoc_axi", "cpas_ahb", "slow_ahb_src",
                                "soc_ahb", "vfe0", "vfe0_axi",
                                "vfe0_src", "csi0",
@@ -625,7 +625,7 @@ static const struct resources vfe_res_845[] = {
 
        /* VFE1 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "camnoc_axi", "cpas_ahb", "slow_ahb_src",
                                "soc_ahb", "vfe1", "vfe1_axi",
                                "vfe1_src", "csi1",
@@ -645,7 +645,7 @@ static const struct resources vfe_res_845[] = {
 
        /* VFE-lite */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "camnoc_axi", "cpas_ahb", "slow_ahb_src",
                                "soc_ahb", "vfe_lite",
                                "vfe_lite_src", "csi2",
@@ -666,7 +666,7 @@ static const struct resources vfe_res_845[] = {
 static const struct resources csiphy_res_8250[] = {
        /* CSIPHY0 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "csiphy0", "csiphy0_timer" },
                .clock_rate = { { 400000000 },
                                { 300000000 } },
@@ -675,7 +675,7 @@ static const struct resources csiphy_res_8250[] = {
        },
        /* CSIPHY1 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "csiphy1", "csiphy1_timer" },
                .clock_rate = { { 400000000 },
                                { 300000000 } },
@@ -684,7 +684,7 @@ static const struct resources csiphy_res_8250[] = {
        },
        /* CSIPHY2 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "csiphy2", "csiphy2_timer" },
                .clock_rate = { { 400000000 },
                                { 300000000 } },
@@ -693,7 +693,7 @@ static const struct resources csiphy_res_8250[] = {
        },
        /* CSIPHY3 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "csiphy3", "csiphy3_timer" },
                .clock_rate = { { 400000000 },
                                { 300000000 } },
@@ -702,7 +702,7 @@ static const struct resources csiphy_res_8250[] = {
        },
        /* CSIPHY4 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "csiphy4", "csiphy4_timer" },
                .clock_rate = { { 400000000 },
                                { 300000000 } },
@@ -711,7 +711,7 @@ static const struct resources csiphy_res_8250[] = {
        },
        /* CSIPHY5 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "csiphy5", "csiphy5_timer" },
                .clock_rate = { { 400000000 },
                                { 300000000 } },
@@ -723,7 +723,7 @@ static const struct resources csiphy_res_8250[] = {
 static const struct resources csid_res_8250[] = {
        /* CSID0 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "vfe0_csid", "vfe0_cphy_rx", "vfe0", "vfe0_areg", "vfe0_ahb" },
                .clock_rate = { { 400000000 },
                                { 400000000 },
@@ -735,7 +735,7 @@ static const struct resources csid_res_8250[] = {
        },
        /* CSID1 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "vfe1_csid", "vfe1_cphy_rx", "vfe1", "vfe1_areg", "vfe1_ahb" },
                .clock_rate = { { 400000000 },
                                { 400000000 },
@@ -747,7 +747,7 @@ static const struct resources csid_res_8250[] = {
        },
        /* CSID2 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "vfe_lite_csid", "vfe_lite_cphy_rx", "vfe_lite",  "vfe_lite_ahb" },
                .clock_rate = { { 400000000 },
                                { 400000000 },
@@ -758,7 +758,7 @@ static const struct resources csid_res_8250[] = {
        },
        /* CSID3 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "vfe_lite_csid", "vfe_lite_cphy_rx", "vfe_lite",  "vfe_lite_ahb" },
                .clock_rate = { { 400000000 },
                                { 400000000 },
@@ -772,7 +772,7 @@ static const struct resources csid_res_8250[] = {
 static const struct resources vfe_res_8250[] = {
        /* VFE0 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "camnoc_axi_src", "slow_ahb_src", "cpas_ahb",
                           "camnoc_axi", "vfe0_ahb", "vfe0_areg", "vfe0",
                           "vfe0_axi", "cam_hf_axi" },
@@ -790,7 +790,7 @@ static const struct resources vfe_res_8250[] = {
        },
        /* VFE1 */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "camnoc_axi_src", "slow_ahb_src", "cpas_ahb",
                           "camnoc_axi", "vfe1_ahb", "vfe1_areg", "vfe1",
                           "vfe1_axi", "cam_hf_axi" },
@@ -808,7 +808,7 @@ static const struct resources vfe_res_8250[] = {
        },
        /* VFE2 (lite) */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "camnoc_axi_src", "slow_ahb_src", "cpas_ahb",
                           "camnoc_axi", "vfe_lite_ahb", "vfe_lite_axi",
                           "vfe_lite", "cam_hf_axi" },
@@ -825,7 +825,7 @@ static const struct resources vfe_res_8250[] = {
        },
        /* VFE3 (lite) */
        {
-               .regulator = { NULL },
+               .regulators = { NULL },
                .clock = { "camnoc_axi_src", "slow_ahb_src", "cpas_ahb",
                           "camnoc_axi", "vfe_lite_ahb", "vfe_lite_axi",
                           "vfe_lite", "cam_hf_axi" },
index 9c644e638a948a0936a35360e43a967c6972dc6e..c9b3e0df5be8f38c477578f9bfd4ccaaae821379 100644 (file)
@@ -42,7 +42,7 @@
 #define CAMSS_RES_MAX 17
 
 struct resources {
-       char *regulator[CAMSS_RES_MAX];
+       char *regulators[CAMSS_RES_MAX];
        char *clock[CAMSS_RES_MAX];
        u32 clock_rate[CAMSS_RES_MAX][CAMSS_RES_MAX];
        char *reg[CAMSS_RES_MAX];