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phy: qcom-qmp: add regulator_set_load to dp phy

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

Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/1657038556-2231-3-git-send-email-quic_khsieh@quicinc.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Kuogee Hsieh 2022-07-05 09:29:15 -07:00 • committed by Vinod Koul
parent a4888b2005
commit 85936d4f38
1 changed files with 32 additions and 9 deletions
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41
drivers/phy/qualcomm/phy-qcom-qmp-combo.c
View file

@ -604,6 +604,18 @@ static const struct qmp_phy_init_tbl qmp_v4_dp_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_EMP_POST1_LVL, 0x20), QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_EMP_POST1_LVL, 0x20),
}; };
/* list of regulators */
struct qmp_regulator_data {
const char *name;
unsigned int enable_load;
};
struct qmp_regulator_data qmp_phy_vreg_l[] = {
{ .name = "vdda-phy", .enable_load = 21800 },
{ .name = "vdda-pll", .enable_load = 36000 },
};
struct qmp_phy; struct qmp_phy;
/* struct qmp_phy_cfg - per-PHY initialization config */ /* struct qmp_phy_cfg - per-PHY initialization config */
@ -646,7 +658,7 @@ struct qmp_phy_cfg {
const char * const *reset_list; const char * const *reset_list;
int num_resets; int num_resets;
/* regulators to be requested */ /* regulators to be requested */
const char * const *vreg_list; const struct qmp_regulator_data *vreg_list;
int num_vregs; int num_vregs;
/* array of registers with different offsets */ /* array of registers with different offsets */
@ -809,11 +821,6 @@ static const char * const sc7180_usb3phy_reset_l[] = {
"phy", "phy",
}; };
/* list of regulators */
static const char * const qmp_phy_vreg_l[] = {
"vdda-phy", "vdda-pll",
};
static const struct qmp_phy_cfg sc7180_usb3phy_cfg = { static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
.type = PHY_TYPE_USB3, .type = PHY_TYPE_USB3,
.nlanes = 1, .nlanes = 1,
@ -1969,16 +1976,32 @@ static int qcom_qmp_phy_combo_vreg_init(struct device *dev, const struct qmp_phy
{ {
struct qcom_qmp *qmp = dev_get_drvdata(dev); struct qcom_qmp *qmp = dev_get_drvdata(dev);
int num = cfg->num_vregs; int num = cfg->num_vregs;
int i; int ret, i;
qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL); qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL);
if (!qmp->vregs) if (!qmp->vregs)
return -ENOMEM; return -ENOMEM;
for (i = 0; i < num; i++) for (i = 0; i < num; i++)
qmp->vregs[i].supply = cfg->vreg_list[i]; qmp->vregs[i].supply = cfg->vreg_list[i].name;
return devm_regulator_bulk_get(dev, num, qmp->vregs); ret = devm_regulator_bulk_get(dev, num, qmp->vregs);
if (ret) {
dev_err(dev, "failed at devm_regulator_bulk_get\n");
return ret;
}
for (i = 0; i < num; i++) {
ret = regulator_set_load(qmp->vregs[i].consumer,
cfg->vreg_list[i].enable_load);
if (ret) {
dev_err(dev, "failed to set load at %s\n",
qmp->vregs[i].supply);
return ret;
}
}
return 0;
} }
static int qcom_qmp_phy_combo_reset_init(struct device *dev, const struct qmp_phy_cfg *cfg) static int qcom_qmp_phy_combo_reset_init(struct device *dev, const struct qmp_phy_cfg *cfg)