[PATCH 0/4] arm64: dts: qcom: Add PCIe Support for sm8750

[PATCH 0/4] arm64: dts: qcom: Add PCIe Support for sm8750

[Krishna Chaitanya Chundru]

Describe PCIe controller and PHY. Also add required system resources like
regulators, clocks, interrupts and registers configuration for PCIe.

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
---
Krishna Chaitanya Chundru (4):
      dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Document the SM8750 QMP PCIe PHY Gen3 x2
      phy: qcom-qmp-pcie: add dual lane PHY support for SM8750
      dt-bindings: PCI: qcom,pcie-sm8550: Add SM8750 compatible
      arm64: dts: qcom: sm8750: Add PCIe PHY and controller node

 .../devicetree/bindings/pci/qcom,pcie-sm8550.yaml  |   1 +
 .../bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml   |   2 +
 arch/arm64/boot/dts/qcom/sm8750.dtsi               | 174 ++++++++++++++++++++-
 drivers/phy/qualcomm/phy-qcom-qmp-pcie.c           | 149 ++++++++++++++++++
 drivers/phy/qualcomm/phy-qcom-qmp-pcs-v7.h         |   2 +
 .../phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v7.h    |   4 +-
 6 files changed, 330 insertions(+), 2 deletions(-)
---
base-commit: 37816488247ddddbc3de113c78c83572274b1e2e
change-id: 20250809-pakala-25a7c1ddba85

Best regards,
-- 
Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>

[PATCH 1/4] dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Document the SM8750 QMP PCIe PHY Gen3 x2

[Krishna Chaitanya Chundru]

Document the QMP PCIe PHY on the SM8750 platform.

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
---
 Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
index a1ae8c7988c891a11f6872e58d25e9d04abb41ce..cb706cf8219d015cc21c1c7ea1cae49b4bf0319f 100644
--- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
@@ -42,6 +42,7 @@ properties:
       - qcom,sm8550-qmp-gen4x2-pcie-phy
       - qcom,sm8650-qmp-gen3x2-pcie-phy
       - qcom,sm8650-qmp-gen4x2-pcie-phy
+      - qcom,sm8750-qmp-gen3x2-pcie-phy
       - qcom,x1e80100-qmp-gen3x2-pcie-phy
       - qcom,x1e80100-qmp-gen4x2-pcie-phy
       - qcom,x1e80100-qmp-gen4x4-pcie-phy
@@ -164,6 +165,7 @@ allOf:
               - qcom,sm8550-qmp-gen4x2-pcie-phy
               - qcom,sm8650-qmp-gen3x2-pcie-phy
               - qcom,sm8650-qmp-gen4x2-pcie-phy
+              - qcom,sm8750-qmp-gen3x2-pcie-phy
     then:
       properties:
         clocks:

-- 
2.34.1

[PATCH 2/4] phy: qcom-qmp-pcie: add dual lane PHY support for SM8750

[Krishna Chaitanya Chundru]

The PCIe Gen3 x2 PHY for SM8750 uses new phy, add the
required registers and offsets for this phy.

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
---
 drivers/phy/qualcomm/phy-qcom-qmp-pcie.c           | 149 +++++++++++++++++++++
 drivers/phy/qualcomm/phy-qcom-qmp-pcs-v7.h         |   2 +
 .../phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v7.h    |   4 +-
 3 files changed, 154 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index 95830dcfdec9b1f68fd55d1cc3c102985cfafcc1..8fdc146ef73221392371c00afb21d673dbf46d49 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -93,6 +93,13 @@ static const unsigned int pciephy_v6_regs_layout[QPHY_LAYOUT_SIZE] = {
 	[QPHY_PCS_POWER_DOWN_CONTROL]	= QPHY_V6_PCS_POWER_DOWN_CONTROL,
 };
 
+static const unsigned int pciephy_v7_regs_layout[QPHY_LAYOUT_SIZE] = {
+	[QPHY_SW_RESET]			= QPHY_V7_PCS_SW_RESET,
+	[QPHY_START_CTRL]		= QPHY_V7_PCS_START_CONTROL,
+	[QPHY_PCS_STATUS]		= QPHY_V7_PCS_PCS_STATUS1,
+	[QPHY_PCS_POWER_DOWN_CONTROL]	= QPHY_V7_PCS_POWER_DOWN_CONTROL,
+};
+
 static const struct qmp_phy_init_tbl msm8998_pcie_serdes_tbl[] = {
 	QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x14),
 	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
@@ -2590,6 +2597,108 @@ static const struct qmp_phy_init_tbl sm8650_qmp_gen4x2_pcie_rx_tbl[] = {
 	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B6, 0xff),
 };
 
+static const struct qmp_phy_init_tbl sm8750_qmp_gen3x2_pcie_serdes_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_SSC_EN_CENTER, 0x1),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_SSC_PER1, 0x62),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_SSC_PER2, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_SSC_STEP_SIZE1_MODE0, 0xf8),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_SSC_STEP_SIZE2_MODE0, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_SSC_STEP_SIZE1_MODE1, 0x93),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_SSC_STEP_SIZE2_MODE1, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_CLK_ENABLE1, 0x90),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_SYS_CLK_CTRL, 0x82),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_PLL_IVCO, 0x07),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_CP_CTRL_MODE0, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_CP_CTRL_MODE1, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_PLL_RCTRL_MODE0, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_PLL_RCTRL_MODE1, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_PLL_CCTRL_MODE0, 0x36),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_PLL_CCTRL_MODE1, 0x36),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_SYSCLK_EN_SEL, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_BG_TIMER, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_LOCK_CMP_EN, 0x42),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_LOCK_CMP1_MODE0, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_LOCK_CMP2_MODE0, 0x0d),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_LOCK_CMP1_MODE1, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_LOCK_CMP2_MODE1, 0x1a),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_DEC_START_MODE0, 0x41),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_DEC_START_MODE1, 0x34),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_DIV_FRAC_START1_MODE0, 0xab),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_DIV_FRAC_START2_MODE0, 0xaa),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_DIV_FRAC_START3_MODE0, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_DIV_FRAC_START1_MODE1, 0x55),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_DIV_FRAC_START2_MODE1, 0x55),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_DIV_FRAC_START3_MODE1, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_VCO_TUNE_MAP, 0x14),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_CLK_SELECT, 0x34),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_HSCLK_SEL_1, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_CORECLK_DIV_MODE1, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_CMN_CONFIG_1, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_ADDITIONAL_MISC_3,	0x0F),
+	QMP_PHY_INIT_CFG(QSERDES_V7_COM_CORE_CLK_EN, 0xA0),
+};
+
+static const struct qmp_phy_init_tbl sm8750_qmp_gen3x2_pcie_rx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_GM_CAL, 0x11),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_00_HIGH,	0xBF),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_00_HIGH2, 0xBF),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_00_HIGH3, 0xB7),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_00_HIGH4, 0xEA),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_00_LOW, 0x3F),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_01_HIGH, 0x09),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_01_HIGH2, 0x49),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_01_HIGH3, 0x1B),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_01_HIGH4, 0x9C),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_01_LOW, 0xD1),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_10_HIGH, 0x09),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_10_HIGH2, 0x49),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_10_HIGH3, 0x1B),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_10_HIGH4, 0x9C),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_MODE_10_LOW, 0xD1),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_TX_ADAPT_PRE_THRESH1, 0x3E),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_TX_ADAPT_PRE_THRESH2, 0x1E),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_TX_ADAPT_POST_THRESH, 0xD2),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_UCDR_FO_GAIN, 0x09),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_UCDR_SO_GAIN, 0x05),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_UCDR_SB2_THRESH1, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_UCDR_SB2_THRESH2, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_VGA_CAL_CNTRL2, 0x09),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_SIGDET_ENABLES, 0x1C),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_SIGDET_CNTRL, 0x60),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_RX_IDAC_TSETTLE_LOW, 0x07),
+	QMP_PHY_INIT_CFG(QSERDES_V7_RX_SIGDET_CAL_TRIM, 0x08),
+};
+
+static const struct qmp_phy_init_tbl sm8750_qmp_gen3x2_pcie_tx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V7_TX_LANE_MODE_1,	0x35),
+	QMP_PHY_INIT_CFG(QSERDES_V7_TX_LANE_MODE_3,	0x10),
+	QMP_PHY_INIT_CFG(QSERDES_V7_TX_LANE_MODE_4,	0x31),
+	QMP_PHY_INIT_CFG(QSERDES_V7_TX_LANE_MODE_5,	0x7F),
+	QMP_PHY_INIT_CFG(QSERDES_V7_TX_PI_QEC_CTRL,	0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V7_TX_RES_CODE_LANE_OFFSET_RX, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V7_TX_RES_CODE_LANE_OFFSET_TX, 0x14),
+};
+
+static const struct qmp_phy_init_tbl sm8750_qmp_gen3x2_pcie_pcs_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_V7_PCS_REFGEN_REQ_CONFIG1, 0x05),
+	QMP_PHY_INIT_CFG(QPHY_V7_PCS_RX_SIGDET_LVL, 0x77),
+	QMP_PHY_INIT_CFG(QPHY_V7_PCS_RATE_SLEW_CNTRL1, 0x0B),
+	QMP_PHY_INIT_CFG(QPHY_V7_PCS_EQ_CONFIG2, 0x0F),
+	QMP_PHY_INIT_CFG(QPHY_V7_PCS_PCS_TX_RX_CONFIG, 0x8C),
+	QMP_PHY_INIT_CFG(QPHY_V7_PCS_G12S1_TXDEEMPH_M6DB, 0x17),
+	QMP_PHY_INIT_CFG(QPHY_V7_PCS_G3S2_PRE_GAIN,	0x2E),
+};
+
+static const struct qmp_phy_init_tbl sm8750_qmp_gen3x2_pcie_pcs_misc_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_EQ_CONFIG1, 0x1E),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_RXEQEVAL_TIME, 0x27),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_POWER_STATE_CONFIG2, 0x1D),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_POWER_STATE_CONFIG4, 0x07),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xC1),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_PCS_PCIE_OSC_DTCT_ACTIONS, 0x00),
+};
+
 static const struct qmp_phy_init_tbl sa8775p_qmp_gen4x2_pcie_serdes_alt_tbl[] = {
 	QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIAS_EN_CLKBUFLR_EN, 0x14),
 	QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_IVCO, 0x0f),
@@ -3207,6 +3316,16 @@ static const struct qmp_pcie_offsets qmp_pcie_offsets_v5_30 = {
 	.rx2		= 0x3a00,
 };
 
+static const struct qmp_pcie_offsets qmp_pcie_offsets_v7 = {
+	.serdes		= 0x0,
+	.pcs		= 0x400,
+	.pcs_misc	= 0x800,
+	.tx		= 0x1000,
+	.rx		= 0x1200,
+	.tx2		= 0x1800,
+	.rx2		= 0x1a00,
+};
+
 static const struct qmp_pcie_offsets qmp_pcie_offsets_v6_20 = {
 	.serdes		= 0x1000,
 	.pcs		= 0x1200,
@@ -3996,6 +4115,33 @@ static const struct qmp_phy_cfg sm8550_qmp_gen3x2_pciephy_cfg = {
 	.phy_status		= PHYSTATUS,
 };
 
+static const struct qmp_phy_cfg sm8750_qmp_gen3x2_pciephy_cfg = {
+	.lanes = 2,
+
+	.offsets		= &qmp_pcie_offsets_v7,
+
+	.tbls = {
+		.serdes		= sm8750_qmp_gen3x2_pcie_serdes_tbl,
+		.serdes_num	= ARRAY_SIZE(sm8750_qmp_gen3x2_pcie_serdes_tbl),
+		.tx		= sm8750_qmp_gen3x2_pcie_tx_tbl,
+		.tx_num		= ARRAY_SIZE(sm8750_qmp_gen3x2_pcie_tx_tbl),
+		.rx		= sm8750_qmp_gen3x2_pcie_rx_tbl,
+		.rx_num		= ARRAY_SIZE(sm8750_qmp_gen3x2_pcie_rx_tbl),
+		.pcs		= sm8750_qmp_gen3x2_pcie_pcs_tbl,
+		.pcs_num	= ARRAY_SIZE(sm8750_qmp_gen3x2_pcie_pcs_tbl),
+		.pcs_misc	= sm8750_qmp_gen3x2_pcie_pcs_misc_tbl,
+		.pcs_misc_num	= ARRAY_SIZE(sm8750_qmp_gen3x2_pcie_pcs_misc_tbl),
+	},
+	.reset_list		= sdm845_pciephy_reset_l,
+	.num_resets		= ARRAY_SIZE(sdm845_pciephy_reset_l),
+	.vreg_list		= qmp_phy_vreg_l,
+	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
+	.regs			= pciephy_v7_regs_layout,
+
+	.pwrdn_ctrl		= SW_PWRDN | REFCLK_DRV_DSBL,
+	.phy_status		= PHYSTATUS,
+};
+
 static const struct qmp_phy_cfg sm8550_qmp_gen4x2_pciephy_cfg = {
 	.lanes = 2,
 
@@ -5099,6 +5245,9 @@ static const struct of_device_id qmp_pcie_of_match_table[] = {
 	}, {
 		.compatible = "qcom,sm8650-qmp-gen4x2-pcie-phy",
 		.data = &sm8650_qmp_gen4x2_pciephy_cfg,
+	}, {
+		.compatible = "qcom,sm8750-qmp-gen3x2-pcie-phy",
+		.data = &sm8750_qmp_gen3x2_pciephy_cfg,
 	}, {
 		.compatible = "qcom,x1e80100-qmp-gen3x2-pcie-phy",
 		.data = &sm8550_qmp_gen3x2_pciephy_cfg,
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v7.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v7.h
index c7759892ed2ea046b372ffac23c3ab75c8015a2b..4b7fcaa6a37458647d03e451ec22dae6337326d1 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v7.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v7.h
@@ -17,6 +17,8 @@
 #define QPHY_V7_PCS_LOCK_DETECT_CONFIG3		0x0cc
 #define QPHY_V7_PCS_LOCK_DETECT_CONFIG6		0x0d8
 #define QPHY_V7_PCS_REFGEN_REQ_CONFIG1		0x0dc
+#define QPHY_V7_PCS_G12S1_TXDEEMPH_M6DB		0x168
+#define QPHY_V7_PCS_G3S2_PRE_GAIN		0x170
 #define QPHY_V7_PCS_RX_SIGDET_LVL		0x188
 #define QPHY_V7_PCS_RCVR_DTCT_DLY_P1U2_L	0x190
 #define QPHY_V7_PCS_RCVR_DTCT_DLY_P1U2_H	0x194
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v7.h b/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v7.h
index 91f865b11347af82c38a33e08bcae7b67a7bec26..6ab943ff57ff666e4f23f4ad0b4eff211c6dbfd0 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v7.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v7.h
@@ -40,6 +40,8 @@
 #define QSERDES_V7_RX_UCDR_SB2_GAIN1				0x54
 #define QSERDES_V7_RX_UCDR_SB2_GAIN2				0x58
 #define QSERDES_V7_RX_AUX_DATA_TCOARSE_TFINE			0x60
+#define QSERDES_V7_RX_TX_ADAPT_PRE_THRESH1			0xc4
+#define QSERDES_V7_RX_TX_ADAPT_PRE_THRESH2			0xc8
 #define QSERDES_V7_RX_TX_ADAPT_POST_THRESH			0xcc
 #define QSERDES_V7_RX_VGA_CAL_CNTRL1				0xd4
 #define QSERDES_V7_RX_VGA_CAL_CNTRL2				0xd8
@@ -50,7 +52,7 @@
 #define QSERDES_V7_RX_RX_IDAC_TSETTLE_LOW			0xf8
 #define QSERDES_V7_RX_RX_IDAC_TSETTLE_HIGH			0xfc
 #define QSERDES_V7_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1		0x110
-#define QSERDES_V7_RX_SIDGET_ENABLES				0x118
+#define QSERDES_V7_RX_SIGDET_ENABLES				0x118
 #define QSERDES_V7_RX_SIGDET_CNTRL				0x11c
 #define QSERDES_V7_RX_SIGDET_DEGLITCH_CNTRL			0x124
 #define QSERDES_V7_RX_RX_MODE_00_LOW				0x15c

-- 
2.34.1

[PATCH 3/4] dt-bindings: PCI: qcom,pcie-sm8550: Add SM8750 compatible

[Krishna Chaitanya Chundru]

On the Qualcomm SM8750 platform the PCIe host is compatible with the
DWC controller present on the SM8550 platorm.

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
---
 Documentation/devicetree/bindings/pci/qcom,pcie-sm8550.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie-sm8550.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie-sm8550.yaml
index dbce671ba011c8991842af6d6c761ec081be24cb..38b561e23c1fda677ce2d4257e1084a384648835 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie-sm8550.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie-sm8550.yaml
@@ -22,6 +22,7 @@ properties:
           - enum:
               - qcom,sar2130p-pcie
               - qcom,pcie-sm8650
+              - qcom,pcie-sm8750
           - const: qcom,pcie-sm8550
 
   reg:

-- 
2.34.1

[PATCH 4/4] arm64: dts: qcom: sm8750: Add PCIe PHY and controller node

[Krishna Chaitanya Chundru]

Add PCIe controller and PHY nodes which supports data rates of 8GT/s
and x2 lane.

Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
---
 arch/arm64/boot/dts/qcom/sm8750.dtsi | 174 ++++++++++++++++++++++++++++++++++-
 1 file changed, 173 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi
index 4643705021c6ca095a16d8d7cc3adac920b21e82..866c1eb8729953f6cb27c7cf995a1a8d55140e40 100644
--- a/arch/arm64/boot/dts/qcom/sm8750.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi
@@ -631,7 +631,7 @@ gcc: clock-controller@100000 {
 			clocks = <&bi_tcxo_div2>,
 				 <0>,
 				 <&sleep_clk>,
-				 <0>,
+				 <&pcie0_phy>,
 				 <0>,
 				 <0>,
 				 <0>,
@@ -3304,6 +3304,178 @@ gic_its: msi-controller@16040000 {
 			};
 		};
 
+		pcie0: pcie@1c00000 {
+			device_type = "pci";
+			compatible = "qcom,pcie-sm8750", "qcom,pcie-sm8550";
+			reg = <0 0x01c00000 0 0x3000>,
+			      <0 0x40000000 0 0xf1d>,
+			      <0 0x40000f20 0 0xa8>,
+			      <0 0x40001000 0 0x1000>,
+			      <0 0x40100000 0 0x100000>;
+			reg-names = "parf", "dbi", "elbi", "atu", "config";
+
+			interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "msi0",
+					  "msi1",
+					  "msi2",
+					  "msi3",
+					  "msi4",
+					  "msi5",
+					  "msi6",
+					  "msi7",
+					  "global";
+
+			clocks = <&gcc GCC_PCIE_0_AUX_CLK>,
+				 <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+				 <&gcc GCC_PCIE_0_MSTR_AXI_CLK>,
+				 <&gcc GCC_PCIE_0_SLV_AXI_CLK>,
+				 <&gcc GCC_PCIE_0_SLV_Q2A_AXI_CLK>,
+				 <&gcc GCC_DDRSS_PCIE_SF_QTB_CLK>,
+				 <&gcc GCC_AGGRE_NOC_PCIE_AXI_CLK>,
+				 <&gcc GCC_CNOC_PCIE_SF_AXI_CLK>;
+			clock-names = "aux",
+				      "cfg",
+				      "bus_master",
+				      "bus_slave",
+				      "slave_q2a",
+				      "ddrss_sf_tbu",
+				      "noc_aggr",
+				      "cnoc_sf_axi";
+
+			resets = <&gcc GCC_PCIE_0_BCR>;
+			reset-names = "pci";
+
+			interconnects = <&pcie_noc MASTER_PCIE_0 QCOM_ICC_TAG_ALWAYS
+					 &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>,
+					<&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ALWAYS
+					 &cnoc_main SLAVE_PCIE_0 QCOM_ICC_TAG_ALWAYS>;
+			interconnect-names = "pcie-mem",
+					     "cpu-pcie";
+
+			power-domains = <&gcc GCC_PCIE_0_GDSC>;
+
+			iommu-map = <0     &apps_smmu 0x1400 0x1>,
+				    <0x100 &apps_smmu 0x1401 0x1>;
+
+			interrupt-map = <0 0 0 1 &intc 0 0 0 149 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 2 &intc 0 0 0 150 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 3 &intc 0 0 0 151 IRQ_TYPE_LEVEL_HIGH>,
+					<0 0 0 4 &intc 0 0 0 152 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-map-mask = <0 0 0 0x7>;
+			#interrupt-cells = <1>;
+
+			msi-map = <0x0 &gic_its 0x1400 0x1>,
+				  <0x100 &gic_its 0x1401 0x1>;
+			msi-map-mask = <0xff00>;
+
+			linux,pci-domain = <0>;
+			num-lanes = <2>;
+			bus-range = <0 0xff>;
+
+			phys = <&pcie0_phy>;
+			phy-names = "pciephy";
+
+			#address-cells = <3>;
+			#size-cells = <2>;
+			ranges = <0x01000000 0 0x00000000 0 0x40200000 0 0x100000>,
+				 <0x02000000 0 0x60300000 0 0x40300000 0 0x3d00000>;
+
+			dma-coherent;
+
+			operating-points-v2 = <&pcie0_opp_table>;
+
+			status = "disabled";
+
+			pcie0_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				/* GEN 1 x1 */
+				opp-2500000 {
+					opp-hz = /bits/ 64 <2500000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <250000 1>;
+				};
+
+				/* GEN 1 x2 and GEN 2 x1 */
+				opp-5000000 {
+					opp-hz = /bits/ 64 <5000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <500000 1>;
+				};
+
+				/* GEN 2 x2 */
+				opp-10000000 {
+					opp-hz = /bits/ 64 <10000000>;
+					required-opps = <&rpmhpd_opp_low_svs>;
+					opp-peak-kBps = <1000000 1>;
+				};
+
+				/* GEN 3 x1 */
+				opp-8000000 {
+					opp-hz = /bits/ 64 <8000000>;
+					required-opps = <&rpmhpd_opp_nom>;
+					opp-peak-kBps = <984500 1>;
+				};
+
+				/* GEN 3 x2 */
+				opp-16000000 {
+					opp-hz = /bits/ 64 <16000000>;
+					required-opps = <&rpmhpd_opp_nom>;
+					opp-peak-kBps = <1969000 1>;
+				};
+
+			};
+
+			pcieport0: pcie@0 {
+				device_type = "pci";
+				reg = <0x0 0x0 0x0 0x0 0x0>;
+				bus-range = <0x01 0xff>;
+
+				#address-cells = <3>;
+				#size-cells = <2>;
+				ranges;
+			};
+		};
+
+		pcie0_phy: phy@1c06000 {
+			compatible = "qcom,sm8750-qmp-gen3x2-pcie-phy";
+			reg = <0 0x01c06000 0 0x2000>;
+
+			clocks = <&gcc GCC_PCIE_0_AUX_CLK>,
+				 <&gcc GCC_PCIE_0_CFG_AHB_CLK>,
+				 <&tcsrcc TCSR_PCIE_0_CLKREF_EN>,
+				 <&gcc GCC_PCIE_0_PHY_RCHNG_CLK>,
+				 <&gcc GCC_PCIE_0_PIPE_CLK>;
+			clock-names = "aux",
+				      "cfg_ahb",
+				      "ref",
+				      "rchng",
+				      "pipe";
+
+			assigned-clocks = <&gcc GCC_PCIE_0_PHY_RCHNG_CLK>;
+			assigned-clock-rates = <100000000>;
+
+			resets = <&gcc GCC_PCIE_0_PHY_BCR>;
+			reset-names = "phy";
+
+			power-domains = <&gcc GCC_PCIE_0_PHY_GDSC>;
+
+			#clock-cells = <0>;
+			clock-output-names = "pcie0_pipe_clk";
+
+			#phy-cells = <0>;
+
+			status = "disabled";
+		};
+
 		ufs_mem_phy: phy@1d80000 {
 			compatible = "qcom,sm8750-qmp-ufs-phy";
 			reg = <0x0 0x01d80000 0x0 0x2000>;

-- 
2.34.1

Re: [PATCH 2/4] phy: qcom-qmp-pcie: add dual lane PHY support for SM8750

[Dmitry Baryshkov]

On Sat, Aug 09, 2025 at 03:29:17PM +0530, Krishna Chaitanya Chundru wrote:
> The PCIe Gen3 x2 PHY for SM8750 uses new phy, add the
> required registers and offsets for this phy.
> 
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp-pcie.c           | 149 +++++++++++++++++++++
>  drivers/phy/qualcomm/phy-qcom-qmp-pcs-v7.h         |   2 +
>  .../phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v7.h    |   4 +-
>  3 files changed, 154 insertions(+), 1 deletion(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>


-- 
With best wishes
Dmitry

Re: [PATCH 4/4] arm64: dts: qcom: sm8750: Add PCIe PHY and controller node

[Krzysztof Kozlowski]

On 09/08/2025 11:59, Krishna Chaitanya Chundru wrote:
> Add PCIe controller and PHY nodes which supports data rates of 8GT/s
> and x2 lane.
> 
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/sm8750.dtsi | 174 ++++++++++++++++++++++++++++++++++-
>  1 file changed, 173 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi
> index 4643705021c6ca095a16d8d7cc3adac920b21e82..866c1eb8729953f6cb27c7cf995a1a8d55140e40 100644
> --- a/arch/arm64/boot/dts/qcom/sm8750.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi
> @@ -631,7 +631,7 @@ gcc: clock-controller@100000 {
>  			clocks = <&bi_tcxo_div2>,
>  				 <0>,
>  				 <&sleep_clk>,
> -				 <0>,
> +				 <&pcie0_phy>,
>  				 <0>,
>  				 <0>,
>  				 <0>,
> @@ -3304,6 +3304,178 @@ gic_its: msi-controller@16040000 {
>  			};
>  		};
>  
> +		pcie0: pcie@1c00000 {
> +			device_type = "pci";
> +			compatible = "qcom,pcie-sm8750", "qcom,pcie-sm8550";
> +			reg = <0 0x01c00000 0 0x3000>,
> +			      <0 0x40000000 0 0xf1d>,
> +			      <0 0x40000f20 0 0xa8>,
> +			      <0 0x40001000 0 0x1000>,
> +			      <0 0x40100000 0 0x100000>;


Look at rest of the code - it's hex everywhere. Keep consistent style.

Best regards,
Krzysztof

Re: [PATCH 4/4] arm64: dts: qcom: sm8750: Add PCIe PHY and controller node

[Konrad Dybcio]

On 8/9/25 11:59 AM, Krishna Chaitanya Chundru wrote:
> Add PCIe controller and PHY nodes which supports data rates of 8GT/s
> and x2 lane.
> 
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
> ---

[...]

> +			phys = <&pcie0_phy>;
> +			phy-names = "pciephy";
> +
> +			#address-cells = <3>;
> +			#size-cells = <2>;
> +			ranges = <0x01000000 0 0x00000000 0 0x40200000 0 0x100000>,
> +				 <0x02000000 0 0x60300000 0 0x40300000 0 0x3d00000>;

The BAR space is larger (0x2400_0000)

please align the overall node style with x1e80100.dtsi

Konrad

Re: [PATCH 1/4] dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Document the SM8750 QMP PCIe PHY Gen3 x2

[Rob Herring (Arm)]

On Sat, 09 Aug 2025 15:29:16 +0530, Krishna Chaitanya Chundru wrote:
> Document the QMP PCIe PHY on the SM8750 platform.
> 
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
> ---
>  Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 

Acked-by: Rob Herring (Arm) <robh@kernel.org>

Re: [PATCH 3/4] dt-bindings: PCI: qcom,pcie-sm8550: Add SM8750 compatible

[Rob Herring (Arm)]

On Sat, 09 Aug 2025 15:29:18 +0530, Krishna Chaitanya Chundru wrote:
> On the Qualcomm SM8750 platform the PCIe host is compatible with the
> DWC controller present on the SM8550 platorm.
> 
> Signed-off-by: Krishna Chaitanya Chundru <krishna.chundru@oss.qualcomm.com>
> ---
>  Documentation/devicetree/bindings/pci/qcom,pcie-sm8550.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 

Acked-by: Rob Herring (Arm) <robh@kernel.org>

Re: (subset) [PATCH 0/4] arm64: dts: qcom: Add PCIe Support for sm8750

[Vinod Koul]

On Sat, 09 Aug 2025 15:29:15 +0530, Krishna Chaitanya Chundru wrote:
> Describe PCIe controller and PHY. Also add required system resources like
> regulators, clocks, interrupts and registers configuration for PCIe.
> 
> 

Applied, thanks!

[1/4] dt-bindings: phy: qcom,sc8280xp-qmp-pcie-phy: Document the SM8750 QMP PCIe PHY Gen3 x2
      commit: edafd4f3fd52a614c5cee2684559367eac2286dc
[2/4] phy: qcom-qmp-pcie: add dual lane PHY support for SM8750
      commit: 0f051749c804b5a4f485013c0e3c932e1dd9f70b

Best regards,
-- 
~Vinod