[PATCH v2 1/3] phy: qcom-qusb2: Add QUSB2 PHY support for SC7180

From: Sandeep Maheswaram
Date: Wed Dec 04 2019 - 23:43:18 EST


Add QUSB2 PHY config data and compatible for SC7180.

Signed-off-by: Sandeep Maheswaram <sanm@xxxxxxxxxxxxxx>
---
drivers/phy/qualcomm/phy-qcom-qusb2.c | 57 ++++++++++++++++++++++++++++++++++-
1 file changed, 56 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
index bf94a52..32a567b 100644
--- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
+++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
@@ -1,6 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * Copyright (c) 2017, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
*/

#include <linux/clk.h>
@@ -177,6 +177,41 @@ static const struct qusb2_phy_init_tbl msm8998_init_tbl[] = {
QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_DIGITAL_TIMERS_TWO, 0x19),
};

+static const unsigned int sc7180_regs_layout[] = {
+ [QUSB2PHY_PLL_CORE_INPUT_OVERRIDE] = 0xa8,
+ [QUSB2PHY_PLL_STATUS] = 0x1a0,
+ [QUSB2PHY_PORT_TUNE1] = 0x240,
+ [QUSB2PHY_PORT_TUNE2] = 0x244,
+ [QUSB2PHY_PORT_TUNE3] = 0x248,
+ [QUSB2PHY_PORT_TUNE4] = 0x24c,
+ [QUSB2PHY_PORT_TUNE5] = 0x250,
+ [QUSB2PHY_PORT_TEST1] = 0x254,
+ [QUSB2PHY_PORT_TEST2] = 0x258,
+ [QUSB2PHY_PORT_POWERDOWN] = 0x210,
+ [QUSB2PHY_INTR_CTRL] = 0x230,
+};
+
+static const struct qusb2_phy_init_tbl sc7180_init_tbl[] = {
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_ANALOG_CONTROLS_TWO, 0x03),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_CLOCK_INVERTERS, 0x7c),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_CMODE, 0x80),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_LOCK_DELAY, 0x0a),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_DIGITAL_TIMERS_TWO, 0x19),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_BIAS_CONTROL_1, 0x40),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_BIAS_CONTROL_2, 0x22),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PWR_CTRL2, 0x21),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_IMP_CTRL1, 0x08),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_IMP_CTRL2, 0x58),
+
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE1, 0xc5),
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE2, 0x29),
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE3, 0xca),
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE4, 0x04),
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE5, 0x03),
+
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_CHG_CTRL2, 0x30),
+};
+
static const unsigned int sdm845_regs_layout[] = {
[QUSB2PHY_PLL_CORE_INPUT_OVERRIDE] = 0xa8,
[QUSB2PHY_PLL_STATUS] = 0x1a0,
@@ -212,6 +247,8 @@ static const struct qusb2_phy_init_tbl sdm845_init_tbl[] = {
QUSB2_PHY_INIT_CFG(QUSB2PHY_CHG_CTRL2, 0x0),
};

+
+
struct qusb2_phy_cfg {
const struct qusb2_phy_init_tbl *tbl;
/* number of entries in the table */
@@ -258,6 +295,19 @@ static const struct qusb2_phy_cfg msm8998_phy_cfg = {
.update_tune1_with_efuse = true,
};

+static const struct qusb2_phy_cfg sc7180_phy_cfg = {
+ .tbl = sc7180_init_tbl,
+ .tbl_num = ARRAY_SIZE(sc7180_init_tbl),
+ .regs = sc7180_regs_layout,
+
+ .disable_ctrl = (PWR_CTRL1_VREF_SUPPLY_TRIM | PWR_CTRL1_CLAMP_N_EN |
+ POWER_DOWN),
+ .mask_core_ready = CORE_READY_STATUS,
+ .has_pll_override = true,
+ .autoresume_en = BIT(0),
+ .update_tune1_with_efuse = true,
+};
+
static const struct qusb2_phy_cfg sdm845_phy_cfg = {
.tbl = sdm845_init_tbl,
.tbl_num = ARRAY_SIZE(sdm845_init_tbl),
@@ -271,6 +321,8 @@ static const struct qusb2_phy_cfg sdm845_phy_cfg = {
.update_tune1_with_efuse = true,
};

+
+
static const char * const qusb2_phy_vreg_names[] = {
"vdda-pll", "vdda-phy-dpdm",
};
@@ -774,6 +826,9 @@ static const struct of_device_id qusb2_phy_of_match_table[] = {
.compatible = "qcom,msm8998-qusb2-phy",
.data = &msm8998_phy_cfg,
}, {
+ .compatible = "qcom,sc7180-qusb2-phy",
+ .data = &sc7180_phy_cfg,
+ }, {
.compatible = "qcom,sdm845-qusb2-phy",
.data = &sdm845_phy_cfg,
},
--
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