[PATCH v4 2/6] phy: samsung-ufs: move cdr offset to drvdata

From: Alim Akhtar
Date: Fri Jun 10 2022 - 06:48:15 EST


Move CDR lock offset to drv data so that it can be extended for other SoCs
which are having CDR lock at different register offset.

Signed-off-by: Bharat Uppal <bharat.uppal@xxxxxxxxxxx>
Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
Reviewed-by: Chanho Park <chanho61.park@xxxxxxxxxxx>
---
drivers/phy/samsung/phy-exynos7-ufs.c | 3 +++
drivers/phy/samsung/phy-exynosautov9-ufs.c | 2 ++
drivers/phy/samsung/phy-samsung-ufs.c | 4 +++-
drivers/phy/samsung/phy-samsung-ufs.h | 2 +-
4 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/phy/samsung/phy-exynos7-ufs.c b/drivers/phy/samsung/phy-exynos7-ufs.c
index d1e9d0ae5c1d..72854336f59d 100644
--- a/drivers/phy/samsung/phy-exynos7-ufs.c
+++ b/drivers/phy/samsung/phy-exynos7-ufs.c
@@ -11,6 +11,8 @@
#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_MASK 0x1
#define EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_EN BIT(0)

+#define EXYNOS7_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS 0x5e
+
/* Calibration for phy initialization */
static const struct samsung_ufs_phy_cfg exynos7_pre_init_cfg[] = {
PHY_COMN_REG_CFG(0x00f, 0xfa, PWR_MODE_ANY),
@@ -74,4 +76,5 @@ const struct samsung_ufs_phy_drvdata exynos7_ufs_phy = {
.en = EXYNOS7_EMBEDDED_COMBO_PHY_CTRL_EN,
},
.has_symbol_clk = 1,
+ .cdr_lock_status_offset = EXYNOS7_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS,
};
diff --git a/drivers/phy/samsung/phy-exynosautov9-ufs.c b/drivers/phy/samsung/phy-exynosautov9-ufs.c
index fa4d2983eec6..2b256070d657 100644
--- a/drivers/phy/samsung/phy-exynosautov9-ufs.c
+++ b/drivers/phy/samsung/phy-exynosautov9-ufs.c
@@ -10,6 +10,7 @@
#define EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL 0x728
#define EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL_MASK 0x1
#define EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL_EN BIT(0)
+#define EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS 0x5e

#define PHY_TRSV_REG_CFG_AUTOV9(o, v, d) \
PHY_TRSV_REG_CFG_OFFSET(o, v, d, 0x50)
@@ -64,4 +65,5 @@ const struct samsung_ufs_phy_drvdata exynosautov9_ufs_phy = {
.en = EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL_EN,
},
.has_symbol_clk = 0,
+ .cdr_lock_status_offset = EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS,
};
diff --git a/drivers/phy/samsung/phy-samsung-ufs.c b/drivers/phy/samsung/phy-samsung-ufs.c
index 206a79c69a6c..8cec7652b459 100644
--- a/drivers/phy/samsung/phy-samsung-ufs.c
+++ b/drivers/phy/samsung/phy-samsung-ufs.c
@@ -63,7 +63,8 @@ static int samsung_ufs_phy_wait_for_lock_acq(struct phy *phy)
}

err = readl_poll_timeout(
- ufs_phy->reg_pma + PHY_APB_ADDR(PHY_CDR_LOCK_STATUS),
+ ufs_phy->reg_pma +
+ PHY_APB_ADDR(ufs_phy->drvdata->cdr_lock_status_offset),
val, (val & PHY_CDR_LOCK_BIT), sleep_us, timeout_us);
if (err)
dev_err(ufs_phy->dev,
@@ -327,6 +328,7 @@ static int samsung_ufs_phy_probe(struct platform_device *pdev)

drvdata = match->data;
phy->dev = dev;
+ phy->drvdata = drvdata;
phy->cfgs = drvdata->cfgs;
phy->has_symbol_clk = drvdata->has_symbol_clk;
memcpy(&phy->isol, &drvdata->isol, sizeof(phy->isol));
diff --git a/drivers/phy/samsung/phy-samsung-ufs.h b/drivers/phy/samsung/phy-samsung-ufs.h
index 854b53bdf347..913542ebff7a 100644
--- a/drivers/phy/samsung/phy-samsung-ufs.h
+++ b/drivers/phy/samsung/phy-samsung-ufs.h
@@ -40,7 +40,6 @@

/* UFS PHY registers */
#define PHY_PLL_LOCK_STATUS 0x1e
-#define PHY_CDR_LOCK_STATUS 0x5e

#define PHY_PLL_LOCK_BIT BIT(5)
#define PHY_CDR_LOCK_BIT BIT(4)
@@ -111,6 +110,7 @@ struct samsung_ufs_phy_drvdata {
const struct samsung_ufs_phy_cfg **cfgs;
struct samsung_ufs_phy_pmu_isol isol;
bool has_symbol_clk;
+ u32 cdr_lock_status_offset;
};

struct samsung_ufs_phy {
--
2.25.1