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Add HS phy init sequence dtsi for Host

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Add HS phy init sequence for Host mode to support configure
the HS phy parameters for Host and Device mode separately
from device tree.

Change-Id: Ia532d638c6e32377be9c4062f63f0cf227d55d2c
Signed-off-by: Yonghua Yan <yanyh2@motorola.com>
Reviewed-on: https://gerrit.mot.com/2605855
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Guobin Zhang <zhanggb@motorola.com>
Submit-Approved: Jira Key
Reviewed-on: https://gerrit.mot.com/2677516
Reviewed-by: Zonghua Liu <a17671@motorola.com>
Reviewed-by: Yeqing Wang <wangyq13@motorola.com>
Reviewed-by: Huosheng Liao <liaohs@motorola.com>
This commit is contained in:
Yonghua Yan 2023-05-12 20:04:06 +08:00 • committed by Xiaojun Ji
commit f210f91a8a
1 changed files with 37 additions and 1 deletions
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38
drivers/usb/phy/phy-msm-snps-hs.c
View file

@ -114,6 +114,9 @@ struct msm_hsphy {
int *param_override_seq;
int param_override_seq_cnt;
int *host_param_override_seq;
int host_param_override_seq_cnt;
void __iomem *phy_rcal_reg;
u32 rcal_mask;
@ -397,9 +400,14 @@ static int msm_hsphy_init(struct usb_phy *uphy)
VBUSVLDEXT0, VBUSVLDEXT0);
/* set parameter ovrride if needed */
if (phy->param_override_seq)
if ((phy->phy.flags & PHY_HOST_MODE) &&
phy->host_param_override_seq) {
hsusb_phy_write_seq(phy->base, phy->host_param_override_seq,
phy->host_param_override_seq_cnt, 0);
} else if (phy->param_override_seq) {
hsusb_phy_write_seq(phy->base, phy->param_override_seq,
phy->param_override_seq_cnt, 0);
}
if (phy->pre_emphasis) {
u8 val = TXPREEMPAMPTUNE0(phy->pre_emphasis) &
@ -823,6 +831,34 @@ static int msm_hsphy_probe(struct platform_device *pdev)
if (IS_ERR(phy->phy_reset))
return PTR_ERR(phy->phy_reset);
phy->host_param_override_seq_cnt = of_property_count_elems_of_size(
dev->of_node,
"qcom,host-param-override-seq",
sizeof(*phy->host_param_override_seq));
if (phy->host_param_override_seq_cnt > 0) {
phy->host_param_override_seq = devm_kcalloc(dev,
phy->host_param_override_seq_cnt,
sizeof(*phy->host_param_override_seq),
GFP_KERNEL);
if (!phy->host_param_override_seq)
return -ENOMEM;
if (phy->host_param_override_seq_cnt % 2) {
dev_err(dev, "invalid host_param_override_seq_len\n");
return -EINVAL;
}
ret = of_property_read_u32_array(dev->of_node,
"qcom,host-param-override-seq",
phy->host_param_override_seq,
phy->host_param_override_seq_cnt);
if (ret) {
dev_err(dev, "qcom,host_param-override-seq read failed %d\n",
ret);
return ret;
}
}
phy->param_override_seq_cnt = of_property_count_elems_of_size(
dev->of_node,
"qcom,param-override-seq",