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[2/2] phy: qcom-qmp-ufs: Add SM8475 support

Message ID 20240327180642.20146-3-danila@jiaxyga.com (mailing list archive)
State Not Applicable
Headers show
Series phy: qcom-qmp-ufs: Add support for SM8475 | expand

Commit Message

Danila Tikhonov March 27, 2024, 6:06 p.m. UTC 
Add the tables and constants for init sequences for UFS QMP phy found in
SM8475 SoC.

Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
---
 drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 71 +++++++++++++++++++++++++
 1 file changed, 71 insertions(+)

Comments

Konrad Dybcio March 27, 2024, 9:38 p.m. UTC | #1 
On 27.03.2024 7:06 PM, Danila Tikhonov wrote:
> Add the tables and constants for init sequences for UFS QMP phy found in
> SM8475 SoC.
> 
> Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
> ---

Worth mentioning that SM8475 is a respin of SM8450 on a different
process node, which probably forced some electrical changes.

Konrad
Vinod Koul March 28, 2024, 7:45 a.m. UTC | #2 
On 27-03-24, 22:38, Konrad Dybcio wrote:
> On 27.03.2024 7:06 PM, Danila Tikhonov wrote:
> > Add the tables and constants for init sequences for UFS QMP phy found in
> > SM8475 SoC.
> > 
> > Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
> > ---
> 
> Worth mentioning that SM8475 is a respin of SM8450 on a different
> process node, which probably forced some electrical changes.

should the tables be resued from 8450 instead of 8550 as in this patch?
Konrad Dybcio March 29, 2024, 11:23 a.m. UTC | #3 
On 28.03.2024 8:45 AM, Vinod Koul wrote:
> On 27-03-24, 22:38, Konrad Dybcio wrote:
>> On 27.03.2024 7:06 PM, Danila Tikhonov wrote:
>>> Add the tables and constants for init sequences for UFS QMP phy found in
>>> SM8475 SoC.
>>>
>>> Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
>>> ---
>>
>> Worth mentioning that SM8475 is a respin of SM8450 on a different
>> process node, which probably forced some electrical changes.
> 
> should the tables be resued from 8450 instead of 8550 as in this patch?

No, and the reason why is my message above

Konrad
diff mbox series

Patch

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
index 590432d581f9..ddc0def0ae61 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
@@ -722,6 +722,38 @@  static const struct qmp_phy_init_tbl sm8350_ufsphy_g4_pcs[] = {
 	QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_BIST_FIXED_PAT_CTRL, 0x0a),
 };
 
+static const struct qmp_phy_init_tbl sm8475_ufsphy_serdes[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0xd9),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_SEL_1, 0x11),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_HS_SWITCH_SEL_1, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_EN, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_INITVAL2, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x82),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x18),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x18),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0xff),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x0c),
+};
+
+static const struct qmp_phy_init_tbl sm8475_ufsphy_g4_serdes[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_IVCO, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x14),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x98),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x14),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x18),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x18),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x32),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x0f),
+};
+
+static const struct qmp_phy_init_tbl sm8475_ufsphy_g4_pcs[] = {
+	QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_PLL_CNTL, 0x0b),
+	QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_HSGEAR_CAPABILITY, 0x04),
+	QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_RX_HSGEAR_CAPABILITY, 0x04),
+};
+
 static const struct qmp_phy_init_tbl sm8550_ufsphy_serdes[] = {
 	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0xd9),
 	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x16),
@@ -1346,6 +1378,42 @@  static const struct qmp_phy_cfg sm8450_ufsphy_cfg = {
 	.regs			= ufsphy_v5_regs_layout,
 };
 
+static const struct qmp_phy_cfg sm8475_ufsphy_cfg = {
+	.lanes			= 2,
+
+	.offsets		= &qmp_ufs_offsets_v6,
+	.max_supported_gear	= UFS_HS_G4,
+
+	.tbls = {
+		.serdes		= sm8475_ufsphy_serdes,
+		.serdes_num	= ARRAY_SIZE(sm8475_ufsphy_serdes),
+		.tx		= sm8550_ufsphy_tx,
+		.tx_num		= ARRAY_SIZE(sm8550_ufsphy_tx),
+		.rx		= sm8550_ufsphy_rx,
+		.rx_num		= ARRAY_SIZE(sm8550_ufsphy_rx),
+		.pcs		= sm8550_ufsphy_pcs,
+		.pcs_num	= ARRAY_SIZE(sm8550_ufsphy_pcs),
+	},
+	.tbls_hs_b = {
+		.serdes		= sm8550_ufsphy_hs_b_serdes,
+		.serdes_num	= ARRAY_SIZE(sm8550_ufsphy_hs_b_serdes),
+	},
+	.tbls_hs_overlay[0] = {
+		.serdes		= sm8475_ufsphy_g4_serdes,
+		.serdes_num	= ARRAY_SIZE(sm8475_ufsphy_g4_serdes),
+		.tx		= sm8550_ufsphy_g4_tx,
+		.tx_num		= ARRAY_SIZE(sm8550_ufsphy_g4_tx),
+		.rx		= sm8550_ufsphy_g4_rx,
+		.rx_num		= ARRAY_SIZE(sm8550_ufsphy_g4_rx),
+		.pcs		= sm8475_ufsphy_g4_pcs,
+		.pcs_num	= ARRAY_SIZE(sm8475_ufsphy_g4_pcs),
+		.max_gear	= UFS_HS_G4,
+	},
+	.vreg_list		= qmp_phy_vreg_l,
+	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
+	.regs			= ufsphy_v6_regs_layout,
+};
+
 static const struct qmp_phy_cfg sm8550_ufsphy_cfg = {
 	.lanes			= 2,
 
@@ -1941,6 +2009,9 @@  static const struct of_device_id qmp_ufs_of_match_table[] = {
 	}, {
 		.compatible = "qcom,sm8450-qmp-ufs-phy",
 		.data = &sm8450_ufsphy_cfg,
+	}, {
+		.compatible = "qcom,sm8475-qmp-ufs-phy",
+		.data = &sm8475_ufsphy_cfg,
 	}, {
 		.compatible = "qcom,sm8550-qmp-ufs-phy",
 		.data = &sm8550_ufsphy_cfg,