summaryrefslogtreecommitdiffstats
path: root/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c')
-rw-r--r--drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c172
1 files changed, 0 insertions, 172 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c b/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c
deleted file mode 100644
index 54b355bfc24c..000000000000
--- a/drivers/phy/qualcomm/phy-qcom-ufs-qmp-14nm.c
+++ /dev/null
@@ -1,172 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2013-2015, Linux Foundation. All rights reserved.
- */
-
-#include "phy-qcom-ufs-qmp-14nm.h"
-
-#define UFS_PHY_NAME "ufs_phy_qmp_14nm"
-#define UFS_PHY_VDDA_PHY_UV (925000)
-
-static
-int ufs_qcom_phy_qmp_14nm_phy_calibrate(struct ufs_qcom_phy *ufs_qcom_phy,
- bool is_rate_B)
-{
- int tbl_size_A = ARRAY_SIZE(phy_cal_table_rate_A);
- int tbl_size_B = ARRAY_SIZE(phy_cal_table_rate_B);
- int err;
-
- err = ufs_qcom_phy_calibrate(ufs_qcom_phy, phy_cal_table_rate_A,
- tbl_size_A, phy_cal_table_rate_B, tbl_size_B, is_rate_B);
-
- if (err)
- dev_err(ufs_qcom_phy->dev,
- "%s: ufs_qcom_phy_calibrate() failed %d\n",
- __func__, err);
- return err;
-}
-
-static
-void ufs_qcom_phy_qmp_14nm_advertise_quirks(struct ufs_qcom_phy *phy_common)
-{
- phy_common->quirks =
- UFS_QCOM_PHY_QUIRK_HIBERN8_EXIT_AFTER_PHY_PWR_COLLAPSE;
-}
-
-static
-int ufs_qcom_phy_qmp_14nm_set_mode(struct phy *generic_phy,
- enum phy_mode mode, int submode)
-{
- struct ufs_qcom_phy *phy_common = get_ufs_qcom_phy(generic_phy);
-
- phy_common->mode = PHY_MODE_INVALID;
-
- if (mode > 0)
- phy_common->mode = mode;
-
- return 0;
-}
-
-static
-void ufs_qcom_phy_qmp_14nm_power_control(struct ufs_qcom_phy *phy, bool val)
-{
- writel_relaxed(val ? 0x1 : 0x0, phy->mmio + UFS_PHY_POWER_DOWN_CONTROL);
- /*
- * Before any transactions involving PHY, ensure PHY knows
- * that it's analog rail is powered ON (or OFF).
- */
- mb();
-}
-
-static inline
-void ufs_qcom_phy_qmp_14nm_set_tx_lane_enable(struct ufs_qcom_phy *phy, u32 val)
-{
- /*
- * 14nm PHY does not have TX_LANE_ENABLE register.
- * Implement this function so as not to propagate error to caller.
- */
-}
-
-static inline void ufs_qcom_phy_qmp_14nm_start_serdes(struct ufs_qcom_phy *phy)
-{
- u32 tmp;
-
- tmp = readl_relaxed(phy->mmio + UFS_PHY_PHY_START);
- tmp &= ~MASK_SERDES_START;
- tmp |= (1 << OFFSET_SERDES_START);
- writel_relaxed(tmp, phy->mmio + UFS_PHY_PHY_START);
- /* Ensure register value is committed */
- mb();
-}
-
-static int ufs_qcom_phy_qmp_14nm_is_pcs_ready(struct ufs_qcom_phy *phy_common)
-{
- int err = 0;
- u32 val;
-
- err = readl_poll_timeout(phy_common->mmio + UFS_PHY_PCS_READY_STATUS,
- val, (val & MASK_PCS_READY), 10, 1000000);
- if (err)
- dev_err(phy_common->dev, "%s: poll for pcs failed err = %d\n",
- __func__, err);
- return err;
-}
-
-static const struct phy_ops ufs_qcom_phy_qmp_14nm_phy_ops = {
- .power_on = ufs_qcom_phy_power_on,
- .power_off = ufs_qcom_phy_power_off,
- .set_mode = ufs_qcom_phy_qmp_14nm_set_mode,
- .owner = THIS_MODULE,
-};
-
-static struct ufs_qcom_phy_specific_ops phy_14nm_ops = {
- .calibrate = ufs_qcom_phy_qmp_14nm_phy_calibrate,
- .start_serdes = ufs_qcom_phy_qmp_14nm_start_serdes,
- .is_physical_coding_sublayer_ready = ufs_qcom_phy_qmp_14nm_is_pcs_ready,
- .set_tx_lane_enable = ufs_qcom_phy_qmp_14nm_set_tx_lane_enable,
- .power_control = ufs_qcom_phy_qmp_14nm_power_control,
-};
-
-static int ufs_qcom_phy_qmp_14nm_probe(struct platform_device *pdev)
-{
- struct device *dev = &pdev->dev;
- struct phy *generic_phy;
- struct ufs_qcom_phy_qmp_14nm *phy;
- struct ufs_qcom_phy *phy_common;
- int err = 0;
-
- phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
- if (!phy) {
- err = -ENOMEM;
- goto out;
- }
- phy_common = &phy->common_cfg;
-
- generic_phy = ufs_qcom_phy_generic_probe(pdev, phy_common,
- &ufs_qcom_phy_qmp_14nm_phy_ops, &phy_14nm_ops);
-
- if (!generic_phy) {
- err = -EIO;
- goto out;
- }
-
- err = ufs_qcom_phy_init_clks(phy_common);
- if (err)
- goto out;
-
- err = ufs_qcom_phy_init_vregulators(phy_common);
- if (err)
- goto out;
-
- phy_common->vdda_phy.max_uV = UFS_PHY_VDDA_PHY_UV;
- phy_common->vdda_phy.min_uV = UFS_PHY_VDDA_PHY_UV;
-
- ufs_qcom_phy_qmp_14nm_advertise_quirks(phy_common);
-
- phy_set_drvdata(generic_phy, phy);
-
- strlcpy(phy_common->name, UFS_PHY_NAME, sizeof(phy_common->name));
-
-out:
- return err;
-}
-
-static const struct of_device_id ufs_qcom_phy_qmp_14nm_of_match[] = {
- {.compatible = "qcom,ufs-phy-qmp-14nm"},
- {.compatible = "qcom,msm8996-ufs-phy-qmp-14nm"},
- {},
-};
-MODULE_DEVICE_TABLE(of, ufs_qcom_phy_qmp_14nm_of_match);
-
-static struct platform_driver ufs_qcom_phy_qmp_14nm_driver = {
- .probe = ufs_qcom_phy_qmp_14nm_probe,
- .driver = {
- .of_match_table = ufs_qcom_phy_qmp_14nm_of_match,
- .name = "ufs_qcom_phy_qmp_14nm",
- },
-};
-
-module_platform_driver(ufs_qcom_phy_qmp_14nm_driver);
-
-MODULE_DESCRIPTION("Universal Flash Storage (UFS) QCOM PHY QMP 14nm");
-MODULE_LICENSE("GPL v2");