[PATCH v4 1/3] phy/qualcomm: add regulator_set_load to edp phy

From: Kuogee Hsieh
Date: Wed May 18 2022 - 17:36:53 EST


This patch add regulator_set_load() before enable regulator at
eDP phy driver.

Signed-off-by: Kuogee Hsieh <quic_khsieh@xxxxxxxxxxx>
---
drivers/phy/qualcomm/phy-qcom-edp.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
index cacd32f..fbe0be0 100644
--- a/drivers/phy/qualcomm/phy-qcom-edp.c
+++ b/drivers/phy/qualcomm/phy-qcom-edp.c
@@ -87,14 +87,20 @@ struct qcom_edp {

struct clk_bulk_data clks[2];
struct regulator_bulk_data supplies[2];
+ int enable_load[2];
};

static int qcom_edp_phy_init(struct phy *phy)
{
struct qcom_edp *edp = phy_get_drvdata(phy);
int ret;
+ int num_consumers = ARRAY_SIZE(edp->supplies);
+ int i;

- ret = regulator_bulk_enable(ARRAY_SIZE(edp->supplies), edp->supplies);
+ for (i = num_consumers - 1; i >= 0; --i)
+ regulator_set_load(edp->supplies[i].consumer, edp->enable_load[i]);
+
+ ret = regulator_bulk_enable(num_consumers, edp->supplies);
if (ret)
return ret;

@@ -635,6 +641,8 @@ static int qcom_edp_phy_probe(struct platform_device *pdev)

edp->supplies[0].supply = "vdda-phy";
edp->supplies[1].supply = "vdda-pll";
+ edp->enable_load[0] = 21800; /* load for 1.2 V vdda-phy supply */
+ edp->enable_load[1] = 36000; /* load for 1.2 V vdda-pll supply */
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(edp->supplies), edp->supplies);
if (ret)
return ret;
--
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