summaryrefslogtreecommitdiffstats
path: root/drivers/media/platform/qcom/camss/camss-csiphy.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/platform/qcom/camss/camss-csiphy.c')
-rw-r--r--drivers/media/platform/qcom/camss/camss-csiphy.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/media/platform/qcom/camss/camss-csiphy.c
index 2f7361dfd461..5af2b382a843 100644
--- a/drivers/media/platform/qcom/camss/camss-csiphy.c
+++ b/drivers/media/platform/qcom/camss/camss-csiphy.c
@@ -212,14 +212,25 @@ static int csiphy_set_power(struct v4l2_subdev *sd, int on)
if (ret < 0)
return ret;
+ ret = regulator_bulk_enable(csiphy->num_supplies,
+ csiphy->supplies);
+ if (ret < 0) {
+ pm_runtime_put_sync(dev);
+ return ret;
+ }
+
ret = csiphy_set_clock_rates(csiphy);
if (ret < 0) {
+ regulator_bulk_disable(csiphy->num_supplies,
+ csiphy->supplies);
pm_runtime_put_sync(dev);
return ret;
}
ret = camss_enable_clocks(csiphy->nclocks, csiphy->clock, dev);
if (ret < 0) {
+ regulator_bulk_disable(csiphy->num_supplies,
+ csiphy->supplies);
pm_runtime_put_sync(dev);
return ret;
}
@@ -234,6 +245,8 @@ static int csiphy_set_power(struct v4l2_subdev *sd, int on)
camss_disable_clocks(csiphy->nclocks, csiphy->clock);
+ regulator_bulk_disable(csiphy->num_supplies, csiphy->supplies);
+
pm_runtime_put_sync(dev);
}
@@ -583,6 +596,7 @@ int msm_csiphy_subdev_init(struct camss *camss,
return PTR_ERR(csiphy->base);
if (camss->res->version == CAMSS_8x16 ||
+ camss->res->version == CAMSS_8x53 ||
camss->res->version == CAMSS_8x96) {
csiphy->base_clk_mux =
devm_platform_ioremap_resource_byname(pdev, res->reg[1]);
@@ -676,7 +690,27 @@ int msm_csiphy_subdev_init(struct camss *camss,
}
}
- return 0;
+ /* CSIPHY supplies */
+ for (i = 0; i < ARRAY_SIZE(res->regulators); i++) {
+ if (res->regulators[i])
+ 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);
+ return ret;
}
/*