linux-kernel - [PATCH v16 1/3] phy: qcom-edp: add regulator_set

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Message-ID: <1657038556-2231-2-git-send-email-quic_khsieh@quicinc.com>
Date:   Tue, 5 Jul 2022 09:29:14 -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 v16 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>
Reviewed-by: Douglas Anderson <dianders@...omium.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
---
 drivers/phy/qualcomm/phy-qcom-edp.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
index cacd32f..7e357078 100644
--- a/drivers/phy/qualcomm/phy-qcom-edp.c
+++ b/drivers/phy/qualcomm/phy-qcom-edp.c
@@ -639,6 +639,18 @@ static int qcom_edp_phy_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
+	ret = regulator_set_load(edp->supplies[0].consumer, 21800); /* 1.2 V vdda-phy */
+	if (ret) {
+		dev_err(dev, "failed to set load at %s\n", edp->supplies[0].supply);
+		return ret;
+	}
+
+	ret = regulator_set_load(edp->supplies[1].consumer, 36000); /* 0.9 V vdda-pll */
+	if (ret) {
+		dev_err(dev, "failed to set load at %s\n", edp->supplies[1].supply);
+		return ret;
+	}
+
 	ret = qcom_edp_clks_register(edp, pdev->dev.of_node);
 	if (ret)
 		return ret;
-- 
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a Linux Foundation Collaborative Project