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Date: Fri, 20 May 2022 08:21:17 -0700 From: Kuogee Hsieh <quic_khsieh@...cinc.com> To: <dri-devel@...ts.freedesktop.org>, <robdclark@...il.com>, <sean@...rly.run>, <swboyd@...omium.org>, <dianders@...omium.org>, <vkoul@...nel.org>, <daniel@...ll.ch>, <airlied@...ux.ie>, <agross@...nel.org>, <dmitry.baryshkov@...aro.org>, <bjorn.andersson@...aro.org> CC: Kuogee Hsieh <quic_khsieh@...cinc.com>, <quic_abhinavk@...cinc.com>, <quic_aravindh@...cinc.com>, <quic_sbillaka@...cinc.com>, <freedreno@...ts.freedesktop.org>, <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org> Subject: [PATCH v7 1/3] phy: qcom-edp: add regulator_set_load to edp phy This patch add regulator_set_load() before enable regulator at eDP phy driver. Signed-off-by: Kuogee Hsieh <quic_khsieh@...cinc.com> --- 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..6715dd2 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 = 0; i < num_consumers; 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 0.9 V vdda-pll supply */ ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(edp->supplies), edp->supplies); if (ret) return ret; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
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