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Diffstat (limited to 'drivers/phy/samsung/phy-exynosautov9-ufs.c')
-rw-r--r--drivers/phy/samsung/phy-exynosautov9-ufs.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/drivers/phy/samsung/phy-exynosautov9-ufs.c b/drivers/phy/samsung/phy-exynosautov9-ufs.c
new file mode 100644
index 000000000..49e2bcbef
--- /dev/null
+++ b/drivers/phy/samsung/phy-exynosautov9-ufs.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * UFS PHY driver data for Samsung EXYNOSAUTO v9 SoC
+ *
+ * Copyright (C) 2021 Samsung Electronics Co., Ltd.
+ */
+
+#include "phy-samsung-ufs.h"
+
+#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)
+
+/* Calibration for phy initialization */
+static const struct samsung_ufs_phy_cfg exynosautov9_pre_init_cfg[] = {
+ PHY_COMN_REG_CFG(0x023, 0x80, PWR_MODE_ANY),
+ PHY_COMN_REG_CFG(0x01d, 0x10, PWR_MODE_ANY),
+
+ PHY_TRSV_REG_CFG_AUTOV9(0x044, 0xb5, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG_AUTOV9(0x04d, 0x43, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG_AUTOV9(0x05b, 0x20, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG_AUTOV9(0x05e, 0xc0, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG_AUTOV9(0x038, 0x12, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG_AUTOV9(0x059, 0x58, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG_AUTOV9(0x06c, 0x18, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG_AUTOV9(0x06d, 0x02, PWR_MODE_ANY),
+
+ PHY_COMN_REG_CFG(0x023, 0xc0, PWR_MODE_ANY),
+ PHY_COMN_REG_CFG(0x023, 0x00, PWR_MODE_ANY),
+
+ PHY_TRSV_REG_CFG_AUTOV9(0x042, 0x5d, PWR_MODE_ANY),
+ PHY_TRSV_REG_CFG_AUTOV9(0x043, 0x80, PWR_MODE_ANY),
+
+ END_UFS_PHY_CFG,
+};
+
+/* Calibration for HS mode series A/B */
+static const struct samsung_ufs_phy_cfg exynosautov9_pre_pwr_hs_cfg[] = {
+ PHY_TRSV_REG_CFG_AUTOV9(0x032, 0xbc, PWR_MODE_HS_ANY),
+ PHY_TRSV_REG_CFG_AUTOV9(0x03c, 0x7f, PWR_MODE_HS_ANY),
+ PHY_TRSV_REG_CFG_AUTOV9(0x048, 0xc0, PWR_MODE_HS_ANY),
+
+ PHY_TRSV_REG_CFG_AUTOV9(0x04a, 0x00, PWR_MODE_HS_G3_SER_B),
+ PHY_TRSV_REG_CFG_AUTOV9(0x04b, 0x10, PWR_MODE_HS_G1_SER_B |
+ PWR_MODE_HS_G3_SER_B),
+ PHY_TRSV_REG_CFG_AUTOV9(0x04d, 0x63, PWR_MODE_HS_G3_SER_B),
+
+ END_UFS_PHY_CFG,
+};
+
+static const struct samsung_ufs_phy_cfg *exynosautov9_ufs_phy_cfgs[CFG_TAG_MAX] = {
+ [CFG_PRE_INIT] = exynosautov9_pre_init_cfg,
+ [CFG_PRE_PWR_HS] = exynosautov9_pre_pwr_hs_cfg,
+};
+
+static const char * const exynosautov9_ufs_phy_clks[] = {
+ "ref_clk",
+};
+
+const struct samsung_ufs_phy_drvdata exynosautov9_ufs_phy = {
+ .cfgs = exynosautov9_ufs_phy_cfgs,
+ .isol = {
+ .offset = EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL,
+ .mask = EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL_MASK,
+ .en = EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CTRL_EN,
+ },
+ .clk_list = exynosautov9_ufs_phy_clks,
+ .num_clks = ARRAY_SIZE(exynosautov9_ufs_phy_clks),
+ .cdr_lock_status_offset = EXYNOSAUTOV9_EMBEDDED_COMBO_PHY_CDR_LOCK_STATUS,
+};