[PATCH v8 00/11] sm8550: Add PCIe HC and PHY support

[PATCH v8 00/11] sm8550: Add PCIe HC and PHY support

[Abel Vesa]

For changelogs please look at each patch individually.

This time, this version has an actual fix for the already merged PCIe
devicetree nodes, to get them in line with the SC8280XP bindings.

Abel Vesa (11):
  dt-bindings: phy: Add QMP PCIe PHY comptible for SM8550
  phy: qcom-qmp: pcs: Add v6 register offsets
  phy: qcom-qmp: pcs: Add v6.20 register offsets
  phy: qcom-qmp: pcs-pcie: Add v6 register offsets
  phy: qcom-qmp: pcs-pcie: Add v6.20 register offsets
  phy: qcom-qmp: qserdes-txrx: Add v6.20 register offsets
  phy: qcom-qmp: qserdes-lane-shared: Add v6 register offsets
  phy: qcom-qmp-pcie: Add support for SM8550 g3x2 and g4x2 PCIEs
  dt-bindings: PCI: qcom: Add SM8550 compatible
  PCI: qcom: Add SM8550 PCIe support
  arm64: dts: qcom: sm8550: Fix PCIe PHYs and controllers nodes

 .../devicetree/bindings/pci/qcom,pcie.yaml    |  40 ++
 .../phy/qcom,sc8280xp-qmp-pcie-phy.yaml       |  30 +-
 arch/arm64/boot/dts/qcom/sm8550-mtp.dts       |  10 +
 arch/arm64/boot/dts/qcom/sm8550.dtsi          |  52 +--
 drivers/pci/controller/dwc/pcie-qcom.c        |  25 +-
 drivers/phy/qualcomm/phy-qcom-qmp-pcie.c      | 346 +++++++++++++++++-
 .../phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6.h   |  15 +
 .../qualcomm/phy-qcom-qmp-pcs-pcie-v6_20.h    |  23 ++
 drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6.h    |  16 +
 drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6_20.h |  18 +
 .../phy-qcom-qmp-qserdes-ln-shrd-v6.h         |  32 ++
 .../phy-qcom-qmp-qserdes-txrx-v6_20.h         |  45 +++
 drivers/phy/qualcomm/phy-qcom-qmp.h           |   6 +
 13 files changed, 611 insertions(+), 47 deletions(-)
 create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6.h
 create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6_20.h
 create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6.h
 create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6_20.h
 create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-qserdes-ln-shrd-v6.h
 create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v6_20.h

-- 
2.34.1

[PATCH v8 01/11] dt-bindings: phy: Add QMP PCIe PHY comptible for SM8550

[Abel Vesa]

Document the QMP PCIe PHY compatible for SM8550.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
---

The v7 of this patch is:
https://lore.kernel.org/all/20230203081807.2248625-2-abel.vesa@linaro.org/

Changes since v7:
 * Added Johan's R-b tag

Changes since v6:
 * none

Changes since v5:
 * added Krzysztof's R-b tag
 * renmaed the no-CSR reset to "phy_nocsr" as discussed off-list with
   Bjorn and Johan

Changes since v4:
 * constrained resets and reset-names to 1 for every other SoC

Changes since v3:
 * increased the allowed number of resets to allow ncsr reset
 * added vdda-qref-supply which is used by pcie1_phy node in MTP dts
 * added both compatibles to the allOf:if:then clause to constrain the
   number of possible clocks to 5

Changes since v2:
 * added back the binding compatible update patch

Changes since v1:
 * split all the offsets into separate patches, like Vinod suggested

 .../phy/qcom,sc8280xp-qmp-pcie-phy.yaml       | 30 ++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

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 8a85318d9c92..ef49efbd0a20 100644
--- a/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/qcom,sc8280xp-qmp-pcie-phy.yaml
@@ -20,6 +20,8 @@ properties:
       - qcom,sc8280xp-qmp-gen3x2-pcie-phy
       - qcom,sc8280xp-qmp-gen3x4-pcie-phy
       - qcom,sm8350-qmp-gen3x1-pcie-phy
+      - qcom,sm8550-qmp-gen3x2-pcie-phy
+      - qcom,sm8550-qmp-gen4x2-pcie-phy
 
   reg:
     minItems: 1
@@ -43,16 +45,21 @@ properties:
     maxItems: 1
 
   resets:
-    maxItems: 1
+    minItems: 1
+    maxItems: 2
 
   reset-names:
+    minItems: 1
     items:
       - const: phy
+      - const: phy_nocsr
 
   vdda-phy-supply: true
 
   vdda-pll-supply: true
 
+  vdda-qref-supply: true
+
   qcom,4ln-config-sel:
     description: PCIe 4-lane configuration
     $ref: /schemas/types.yaml#/definitions/phandle-array
@@ -113,6 +120,8 @@ allOf:
           contains:
             enum:
               - qcom,sm8350-qmp-gen3x1-pcie-phy
+              - qcom,sm8550-qmp-gen3x2-pcie-phy
+              - qcom,sm8550-qmp-gen4x2-pcie-phy
     then:
       properties:
         clocks:
@@ -126,6 +135,25 @@ allOf:
         clock-names:
           minItems: 6
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,sm8550-qmp-gen4x2-pcie-phy
+    then:
+      properties:
+        resets:
+          minItems: 2
+        reset-names:
+          minItems: 2
+    else:
+      properties:
+        resets:
+          maxItems: 1
+        reset-names:
+          maxItems: 1
+
 examples:
   - |
     #include <dt-bindings/clock/qcom,gcc-sc8280xp.h>
-- 
2.34.1

[PATCH v8 02/11] phy: qcom-qmp: pcs: Add v6 register offsets

[Abel Vesa]

The new SM8550 SoC bumps up the HW version of QMP phy to v6 for USB,
UFS and PCIE g3x2. Add the new PCS offsets in a dedicated header file.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---

The v7 of this patch is:
https://lore.kernel.org/all/20230203081807.2248625-3-abel.vesa@linaro.org/

Changes since v7:
 * none

Changes since v6:
 * none

Changes since v5:
 * none

Changes since v4:
 * none

Changes since v3:
 * added Dmitry's R-b tag

Changes since v2:
 * none

Changes since v1:
 * split all the offsets into separate patches, like Vinod suggested


 drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6.h | 16 ++++++++++++++++
 drivers/phy/qualcomm/phy-qcom-qmp.h        |  2 ++
 2 files changed, 18 insertions(+)
 create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6.h

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6.h
new file mode 100644
index 000000000000..18c4a3abe590
--- /dev/null
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef QCOM_PHY_QMP_PCS_V6_H_
+#define QCOM_PHY_QMP_PCS_V6_H_
+
+/* Only for QMP V6 PHY - USB/PCIe PCS registers */
+#define QPHY_V6_PCS_REFGEN_REQ_CONFIG1		0xdc
+#define QPHY_V6_PCS_RX_SIGDET_LVL		0x188
+#define QPHY_V6_PCS_RATE_SLEW_CNTRL1		0x198
+#define QPHY_V6_PCS_EQ_CONFIG2			0x1e0
+#define QPHY_V6_PCS_PCS_TX_RX_CONFIG		0x1d0
+
+#endif
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
index a63a691b8372..80e3b5c860b6 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
@@ -38,6 +38,8 @@
 
 #include "phy-qcom-qmp-pcs-v5_20.h"
 
+#include "phy-qcom-qmp-pcs-v6.h"
+
 /* Only for QMP V3 & V4 PHY - DP COM registers */
 #define QPHY_V3_DP_COM_PHY_MODE_CTRL			0x00
 #define QPHY_V3_DP_COM_SW_RESET				0x04
-- 
2.34.1

[PATCH v8 03/11] phy: qcom-qmp: pcs: Add v6.20 register offsets

[Abel Vesa]

The new SM8550 SoC bumps up the HW version of QMP phy to v6.20 for
PCIE g4x2. Add the new PCS offsets in a dedicated header file.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---

The v7 of this patch is:
https://lore.kernel.org/all/20230203081807.2248625-4-abel.vesa@linaro.org/

Changes since v7:
 * none

Changes since v6:
 * none

Changes since v5:
 * none

Changes since v4:
 * none

Changes since v3:
 * added Dmitry's R-b tag

Changes since v2:
 * none

Changes since v1:
 * split all the offsets into separate patches, like Vinod suggested


 drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6_20.h | 18 ++++++++++++++++++
 drivers/phy/qualcomm/phy-qcom-qmp.h           |  2 ++
 2 files changed, 20 insertions(+)
 create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6_20.h

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6_20.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6_20.h
new file mode 100644
index 000000000000..9c3f1e4950e6
--- /dev/null
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-v6_20.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef QCOM_PHY_QMP_PCS_V6_20_H_
+#define QCOM_PHY_QMP_PCS_V6_20_H_
+
+/* Only for QMP V6_20 PHY - USB/PCIe PCS registers */
+#define QPHY_V6_20_PCS_G3S2_PRE_GAIN			0x178
+#define QPHY_V6_20_PCS_RX_SIGDET_LVL			0x190
+#define QPHY_V6_20_PCS_COM_ELECIDLE_DLY_SEL		0x1b8
+#define QPHY_V6_20_PCS_TX_RX_CONFIG1			0x1dc
+#define QPHY_V6_20_PCS_TX_RX_CONFIG2			0x1e0
+#define QPHY_V6_20_PCS_EQ_CONFIG4			0x1f8
+#define QPHY_V6_20_PCS_EQ_CONFIG5			0x1fc
+
+#endif
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
index 80e3b5c860b6..760de4c76e5b 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
@@ -40,6 +40,8 @@
 
 #include "phy-qcom-qmp-pcs-v6.h"
 
+#include "phy-qcom-qmp-pcs-v6_20.h"
+
 /* Only for QMP V3 & V4 PHY - DP COM registers */
 #define QPHY_V3_DP_COM_PHY_MODE_CTRL			0x00
 #define QPHY_V3_DP_COM_SW_RESET				0x04
-- 
2.34.1

[PATCH v8 04/11] phy: qcom-qmp: pcs-pcie: Add v6 register offsets

[Abel Vesa]

The new SM8550 SoC bumps up the HW version of QMP phy to v6 for USB,
UFS and PCIE g3x2. Add the new PCS PCIE specific offsets in a dedicated
header file.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---

The v7 of this patch is:
https://lore.kernel.org/all/20230203081807.2248625-5-abel.vesa@linaro.org/

Changes since v7:
 * none

Changes since v6:
 * none

Changes since v5:
 * none

Changes since v4:
 * none

Changes since v3:
 * added Dmitry's R-b tag

Changes since v2:
 * none

Changes since v1:
 * split all the offsets into separate patches, like Vinod suggested

 drivers/phy/qualcomm/phy-qcom-qmp-pcie.c        |  1 +
 drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6.h | 15 +++++++++++++++
 2 files changed, 16 insertions(+)
 create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6.h

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index 0e7aaff2ecfd..05b59f261999 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -29,6 +29,7 @@
 #include "phy-qcom-qmp-pcs-pcie-v4_20.h"
 #include "phy-qcom-qmp-pcs-pcie-v5.h"
 #include "phy-qcom-qmp-pcs-pcie-v5_20.h"
+#include "phy-qcom-qmp-pcs-pcie-v6.h"
 #include "phy-qcom-qmp-pcie-qhp.h"
 
 /* QPHY_SW_RESET bit */
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6.h
new file mode 100644
index 000000000000..91e70002eb47
--- /dev/null
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef QCOM_PHY_QMP_PCS_PCIE_V6_H_
+#define QCOM_PHY_QMP_PCS_PCIE_V6_H_
+
+/* Only for QMP V6 PHY - PCIE have different offsets than V5 */
+#define QPHY_PCIE_V6_PCS_PCIE_POWER_STATE_CONFIG2	0x0c
+#define QPHY_PCIE_V6_PCS_PCIE_POWER_STATE_CONFIG4	0x14
+#define QPHY_PCIE_V6_PCS_PCIE_ENDPOINT_REFCLK_DRIVE	0x20
+#define QPHY_PCIE_V6_PCS_PCIE_OSC_DTCT_ACTIONS		0x94
+
+#endif
-- 
2.34.1

[PATCH v8 05/11] phy: qcom-qmp: pcs-pcie: Add v6.20 register offsets

[Abel Vesa]

The new SM8550 SoC bumps up the HW version of QMP phy to v6.20 for
PCIE g4x2. Add the new PCS PCIE specific offsets in a dedicated
header file.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---

The v7 of this patch is:
https://lore.kernel.org/all/20230203081807.2248625-6-abel.vesa@linaro.org/

Changes since v7:
 * none

Changes since v6:
 * none

Changes since v5:
 * none

Changes since v4:
 * none

Changes since v3:
 * added Dmitry's R-b tag

Changes since v2:
 * none

Changes since v1:
 * split all the offsets into separate patches, like Vinod suggested


 drivers/phy/qualcomm/phy-qcom-qmp-pcie.c      |  1 +
 .../qualcomm/phy-qcom-qmp-pcs-pcie-v6_20.h    | 23 +++++++++++++++++++
 2 files changed, 24 insertions(+)
 create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6_20.h

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index 05b59f261999..907f3f236f05 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -30,6 +30,7 @@
 #include "phy-qcom-qmp-pcs-pcie-v5.h"
 #include "phy-qcom-qmp-pcs-pcie-v5_20.h"
 #include "phy-qcom-qmp-pcs-pcie-v6.h"
+#include "phy-qcom-qmp-pcs-pcie-v6_20.h"
 #include "phy-qcom-qmp-pcie-qhp.h"
 
 /* QPHY_SW_RESET bit */
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6_20.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6_20.h
new file mode 100644
index 000000000000..e3eb08776339
--- /dev/null
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-pcie-v6_20.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef QCOM_PHY_QMP_PCS_PCIE_V6_20_H_
+#define QCOM_PHY_QMP_PCS_PCIE_V6_20_H_
+
+/* Only for QMP V6_20 PHY - PCIE have different offsets than V5 */
+#define QPHY_PCIE_V6_20_PCS_POWER_STATE_CONFIG2		0x00c
+#define QPHY_PCIE_V6_20_PCS_TX_RX_CONFIG		0x018
+#define QPHY_PCIE_V6_20_PCS_ENDPOINT_REFCLK_DRIVE	0x01c
+#define QPHY_PCIE_V6_20_PCS_OSC_DTCT_ATCIONS		0x090
+#define QPHY_PCIE_V6_20_PCS_EQ_CONFIG1			0x0a0
+#define QPHY_PCIE_V6_20_PCS_EQ_CONFIG5			0x108
+#define QPHY_PCIE_V6_20_PCS_G4_PRE_GAIN			0x15c
+#define QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG1	0x17c
+#define QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG3	0x184
+#define QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG5	0x18c
+#define QPHY_PCIE_V6_20_PCS_G3_FOM_EQ_CONFIG5		0x1ac
+#define QPHY_PCIE_V6_20_PCS_G4_FOM_EQ_CONFIG5		0x1c0
+
+#endif
-- 
2.34.1

[PATCH v8 06/11] phy: qcom-qmp: qserdes-txrx: Add v6.20 register offsets

[Abel Vesa]

The new SM8550 SoC bumps up the HW version of QMP phy to v6.20 for
PCIE g4x2. Add the new qserdes TX RX PCIE specific offsets in a
dedicated header file.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---

The v7 of this patch is:
https://lore.kernel.org/all/20230203081807.2248625-7-abel.vesa@linaro.org/

Changes since v7:
 * none

Changes since v6:
 * none

Changes since v5:
 * none

Changes since v4:
 * none

Changes since v3:
 * added Dmitry's R-b tag

Changes since v2:
 * none

Changes since v1:
 * split all the offsets into separate patches, like Vinod suggested

 .../phy-qcom-qmp-qserdes-txrx-v6_20.h         | 45 +++++++++++++++++++
 drivers/phy/qualcomm/phy-qcom-qmp.h           |  1 +
 2 files changed, 46 insertions(+)
 create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v6_20.h

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v6_20.h b/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v6_20.h
new file mode 100644
index 000000000000..5385a8b60970
--- /dev/null
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-v6_20.h
@@ -0,0 +1,45 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef QCOM_PHY_QMP_QSERDES_TXRX_PCIE_V6_20_H_
+#define QCOM_PHY_QMP_QSERDES_TXRX_PCIE_V6_20_H_
+
+#define QSERDES_V6_20_TX_RES_CODE_LANE_OFFSET_TX		0x30
+#define QSERDES_V6_20_TX_RES_CODE_LANE_OFFSET_RX		0x34
+#define QSERDES_V6_20_TX_TRAN_DRVR_EMP_EN			0xac
+#define QSERDES_V6_20_TX_LANE_MODE_1				0x78
+#define QSERDES_V6_20_TX_LANE_MODE_2				0x7c
+#define QSERDES_V6_20_TX_LANE_MODE_3				0x80
+
+#define QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_2			0x08
+#define QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_3			0x0c
+#define QSERDES_V6_20_RX_UCDR_PI_CONTROLS			0x20
+#define QSERDES_V6_20_RX_UCDR_SO_ACC_DEFAULT_VAL_RATE3		0x34
+#define QSERDES_V6_20_RX_IVCM_CAL_CTRL2				0x9c
+#define QSERDES_V6_20_RX_IVCM_POSTCAL_OFFSET			0xa0
+#define QSERDES_V6_20_RX_DFE_3					0xb4
+#define QSERDES_V6_20_RX_VGA_CAL_MAN_VAL			0xe8
+#define QSERDES_V6_20_RX_GM_CAL					0x10c
+#define QSERDES_V6_20_RX_EQU_ADAPTOR_CNTRL4			0x120
+#define QSERDES_V6_20_RX_SIGDET_ENABLES				0x148
+#define QSERDES_V6_20_RX_PHPRE_CTRL				0x188
+#define QSERDES_V6_20_RX_DFE_CTLE_POST_CAL_OFFSET		0x194
+#define QSERDES_V6_20_RX_Q_PI_INTRINSIC_BIAS_RATE32		0x1dc
+#define QSERDES_V6_20_RX_MODE_RATE2_B0				0x1f4
+#define QSERDES_V6_20_RX_MODE_RATE2_B1				0x1f8
+#define QSERDES_V6_20_RX_MODE_RATE2_B2				0x1fc
+#define QSERDES_V6_20_RX_MODE_RATE2_B3				0x200
+#define QSERDES_V6_20_RX_MODE_RATE2_B4				0x204
+#define QSERDES_V6_20_RX_MODE_RATE2_B5				0x208
+#define QSERDES_V6_20_RX_MODE_RATE2_B6				0x20c
+#define QSERDES_V6_20_RX_MODE_RATE3_B0				0x210
+#define QSERDES_V6_20_RX_MODE_RATE3_B1				0x214
+#define QSERDES_V6_20_RX_MODE_RATE3_B2				0x218
+#define QSERDES_V6_20_RX_MODE_RATE3_B3				0x21c
+#define QSERDES_V6_20_RX_MODE_RATE3_B4				0x220
+#define QSERDES_V6_20_RX_MODE_RATE3_B5				0x224
+#define QSERDES_V6_20_RX_MODE_RATE3_B6				0x228
+
+#endif
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
index 760de4c76e5b..e5974e6caf51 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
@@ -23,6 +23,7 @@
 
 #include "phy-qcom-qmp-qserdes-com-v6.h"
 #include "phy-qcom-qmp-qserdes-txrx-v6.h"
+#include "phy-qcom-qmp-qserdes-txrx-v6_20.h"
 
 #include "phy-qcom-qmp-qserdes-pll.h"
 
-- 
2.34.1

[PATCH v8 07/11] phy: qcom-qmp: qserdes-lane-shared: Add v6 register offsets

[Abel Vesa]

The new SM8550 SoC bumps up the HW version of QMP phy to v6.20 for
PCIE g4x2. Add the new lane shared PCIE specific offsets in a dedicated
header file.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
---

The v7 of this patch is:
https://lore.kernel.org/all/20230203081807.2248625-8-abel.vesa@linaro.org/

Changes since v7:
 * none

Changes since v6:
 * none

Changes since v5:
 * none

Changes since v4:
 * none

Changes since v3:
 * none

Changes since v2:
 * none

Changes since v1:
 * split all the offsets into separate patches, like Vinod suggested


 .../phy-qcom-qmp-qserdes-ln-shrd-v6.h         | 32 +++++++++++++++++++
 drivers/phy/qualcomm/phy-qcom-qmp.h           |  1 +
 2 files changed, 33 insertions(+)
 create mode 100644 drivers/phy/qualcomm/phy-qcom-qmp-qserdes-ln-shrd-v6.h

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-ln-shrd-v6.h b/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-ln-shrd-v6.h
new file mode 100644
index 000000000000..86d7d796d5d7
--- /dev/null
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-ln-shrd-v6.h
@@ -0,0 +1,32 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2023, Linaro Limited
+ */
+
+#ifndef QCOM_PHY_QMP_QSERDES_LN_SHRD_V6_H_
+#define QCOM_PHY_QMP_QSERDES_LN_SHRD_V6_H_
+
+#define QSERDES_V6_LN_SHRD_RXCLK_DIV2_CTRL			0xa0
+#define QSERDES_V6_LN_SHRD_RX_Q_EN_RATES			0xb0
+#define QSERDES_V6_LN_SHRD_DFE_DAC_ENABLE1			0xb4
+#define QSERDES_V6_LN_SHRD_TX_ADAPT_POST_THRESH1		0xc4
+#define QSERDES_V6_LN_SHRD_TX_ADAPT_POST_THRESH2		0xc8
+#define QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B0			0xd4
+#define QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B1			0xd8
+#define QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B2			0xdc
+#define QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B3			0xe0
+#define QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B4			0xe4
+#define QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B5			0xe8
+#define QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B6			0xec
+#define QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH1_RATE210	0xf0
+#define QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH1_RATE3		0xf4
+#define QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH2_RATE210	0xf8
+#define QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH2_RATE3		0xfc
+#define QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH3_RATE210	0x100
+#define QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH3_RATE3		0x104
+#define QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH4_RATE3		0x10c
+#define QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH5_RATE3		0x114
+#define QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH6_RATE3		0x11c
+#define QSERDES_V6_LN_SHRD_RX_SUMMER_CAL_SPD_MODE		0x128
+
+#endif
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
index e5974e6caf51..148663ee713a 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
@@ -24,6 +24,7 @@
 #include "phy-qcom-qmp-qserdes-com-v6.h"
 #include "phy-qcom-qmp-qserdes-txrx-v6.h"
 #include "phy-qcom-qmp-qserdes-txrx-v6_20.h"
+#include "phy-qcom-qmp-qserdes-ln-shrd-v6.h"
 
 #include "phy-qcom-qmp-qserdes-pll.h"
 
-- 
2.34.1

[PATCH v8 08/11] phy: qcom-qmp-pcie: Add support for SM8550 g3x2 and g4x2 PCIEs

[Abel Vesa]

Add the SM8550 both g4 and g3 configurations. In addition, there is a
new "lane shared" table that needs to be configured for g4, along with
the No-CSR list of resets. The no-CSR allows resetting the PHY without
actually dropping the PHY configuration. The no-CSR needs to be
deasserted only after the PHY has been configured and the PLL has
stabilized.

Co-developed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
---

The v7 of this patch is:
https://lore.kernel.org/all/20230203081807.2248625-9-abel.vesa@linaro.org/

Changes since v7:
 * Added more info to the commit message about the no-CSR resets
 * Moved all ln_shrd related struct members after pcs_misc, like Johan
   suggested
 * Padded the tx to 4 digits in v6.20 offsets, like Johan suggested
 * Dropped the no-CSR reset bulk and used single reset instead, also
   added a flag to the cfg to specify if it uses the no-CSR reset or not

Changes since v6:
 * none

Changes since v5:
 * renmaed the no-CSR reset to "phy_nocsr" as discussed off-list with
   Bjorn and Johan

Changes since v4:
 * dropped _serdes infix from ln_shrd table name and from every ln_shrd
   variable name
 * added hyphen between "no CSR" in both places
 * dropped has_ln_shrd_serdes_tbl
 * reordered qmp_pcie_offsets_v6_20 by struct members
 * added rollback for no-CSR reset in qmp_pcie_init fail path
 * moved ln_shrd offset calculation after port_b

Changes since v3:
 * added Dmitry's R-b tag

Changes since v2:
 * none

Changes since v1:
 * split all the offsets into separate patches, like Vinod suggested



 drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 344 ++++++++++++++++++++++-
 1 file changed, 343 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index 907f3f236f05..ca9a443b7c08 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -1506,6 +1506,234 @@ static const struct qmp_phy_init_tbl sm8450_qmp_gen4x2_pcie_ep_pcs_misc_tbl[] =
 	QMP_PHY_INIT_CFG(QPHY_V5_20_PCS_PCIE_OSC_DTCT_MODE2_CONFIG5, 0x08),
 };
 
+static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_serdes_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_EN_CENTER, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER1, 0x62),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER2, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE0, 0xf8),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE0, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE1, 0x93),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE1, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_ENABLE1, 0x90),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYS_CLK_CTRL, 0x82),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_IVCO, 0x07),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x36),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x36),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_BG_TIMER, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_EN, 0x42),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x0d),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x1a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x41),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x34),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE0, 0xab),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE0, 0xaa),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE0, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE1, 0x55),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE1, 0x55),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE1, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x14),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_SELECT, 0x34),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_SEL_1, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORECLK_DIV_MODE1, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_ADDITIONAL_MISC_3, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORE_CLK_EN, 0xa0),
+};
+
+static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_tx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V6_TX_LANE_MODE_1, 0x15),
+	QMP_PHY_INIT_CFG(QSERDES_V6_TX_LANE_MODE_4, 0x3f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_TX_PI_QEC_CTRL, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V6_TX_RES_CODE_LANE_OFFSET_RX, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V6_TX_RES_CODE_LANE_OFFSET_TX, 0x18),
+};
+
+static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_rx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_GM_CAL, 0x11),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH, 0xbf),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH2, 0xbf),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH3, 0xb7),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH4, 0xea),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_LOW, 0x3f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH, 0x5c),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH2, 0x9c),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH3, 0x1a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH4, 0x89),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_LOW, 0xdc),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH, 0x94),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH2, 0x5b),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH3, 0x1a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_10_HIGH4, 0x89),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_TX_ADAPT_POST_THRESH, 0xf0),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_FO_GAIN, 0x09),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SO_GAIN, 0x05),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_THRESH1, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_THRESH2, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_VGA_CAL_CNTRL2, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIDGET_ENABLES, 0x1c),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_IDAC_TSETTLE_LOW, 0x07),
+	QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIGDET_CAL_TRIM, 0x08),
+};
+
+static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_pcs_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_V6_PCS_REFGEN_REQ_CONFIG1, 0x05),
+	QMP_PHY_INIT_CFG(QPHY_V6_PCS_RX_SIGDET_LVL, 0x77),
+	QMP_PHY_INIT_CFG(QPHY_V6_PCS_RATE_SLEW_CNTRL1, 0x0b),
+	QMP_PHY_INIT_CFG(QPHY_V6_PCS_EQ_CONFIG2, 0x0f),
+	QMP_PHY_INIT_CFG(QPHY_V6_PCS_PCS_TX_RX_CONFIG, 0x8c),
+};
+
+static const struct qmp_phy_init_tbl sm8550_qmp_gen3x2_pcie_pcs_misc_tbl[] = {
+	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 sm8550_qmp_gen4x2_pcie_serdes_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE1, 0x26),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE1, 0x03),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x36),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORECLK_DIV_MODE1, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x1a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x68),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE1, 0xab),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE1, 0xaa),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE1, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_SEL_1, 0x12),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE0, 0xf8),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE0, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x36),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CORE_CLK_DIV_MODE0, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x0d),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x41),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE0, 0xab),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE0, 0xaa),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE0, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_HS_SWITCH_SEL_1, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_BG_TIMER, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_EN_CENTER, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER1, 0x62),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER2, 0x02),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_POST_DIV_MUX, 0x40),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_BIAS_EN_CLK_BUFLR_EN, 0x14),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_ENABLE1, 0x90),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYS_CLK_CTRL, 0x82),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_IVCO, 0x0f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0x08),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_EN, 0x46),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_CFG, 0x04),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x14),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CLK_SELECT, 0x34),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORE_CLK_EN, 0xa0),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x06),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_MISC_1, 0x88),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_MODE, 0x14),
+	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_VCO_DC_LEVEL_CTRL, 0x0f),
+};
+
+static const struct qmp_phy_init_tbl sm8550_qmp_gen4x2_pcie_ln_shrd_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RXCLK_DIV2_CTRL, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_Q_EN_RATES, 0xe),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_DFE_DAC_ENABLE1, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_TX_ADAPT_POST_THRESH1, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_TX_ADAPT_POST_THRESH2, 0x1f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B0, 0x12),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B1, 0x12),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B2, 0xdb),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B3, 0x9a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B4, 0x38),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B5, 0xb6),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MODE_RATE_0_1_B6, 0x64),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH1_RATE210, 0x1f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH1_RATE3, 0x1f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH2_RATE210, 0x1f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH2_RATE3, 0x1f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH3_RATE210, 0x1f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH3_RATE3, 0x1f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH4_RATE3, 0x1f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH5_RATE3, 0x1f),
+	QMP_PHY_INIT_CFG(QSERDES_V6_LN_SHRD_RX_MARG_COARSE_THRESH6_RATE3, 0x1f),
+};
+
+static const struct qmp_phy_init_tbl sm8550_qmp_gen4x2_pcie_tx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_RES_CODE_LANE_OFFSET_TX, 0x1d),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_RES_CODE_LANE_OFFSET_RX, 0x03),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_1, 0x01),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_2, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_LANE_MODE_3, 0x51),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_TX_TRAN_DRVR_EMP_EN, 0x34),
+};
+
+static const struct qmp_phy_init_tbl sm8550_qmp_gen4x2_pcie_rx_tbl[] = {
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_2, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_FO_GAIN_RATE_3, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_PI_CONTROLS, 0x16),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_UCDR_SO_ACC_DEFAULT_VAL_RATE3, 0x00),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_IVCM_CAL_CTRL2, 0x80),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_IVCM_POSTCAL_OFFSET, 0x7c),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_3, 0x05),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_VGA_CAL_MAN_VAL, 0x0a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_GM_CAL, 0x0d),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_EQU_ADAPTOR_CNTRL4, 0x0b),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_SIGDET_ENABLES, 0x1c),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_PHPRE_CTRL, 0x20),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_DFE_CTLE_POST_CAL_OFFSET, 0x30),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_Q_PI_INTRINSIC_BIAS_RATE32, 0x09),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B0, 0x14),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B1, 0xb3),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B2, 0x58),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B3, 0x9a),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B4, 0x26),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B5, 0xb6),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE2_B6, 0xee),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B0, 0xdb),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B1, 0xdb),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B2, 0xa0),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B3, 0xdf),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B4, 0x78),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B5, 0x76),
+	QMP_PHY_INIT_CFG(QSERDES_V6_20_RX_MODE_RATE3_B6, 0xff),
+};
+
+static const struct qmp_phy_init_tbl sm8550_qmp_gen4x2_pcie_pcs_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_G3S2_PRE_GAIN, 0x2e),
+	QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_COM_ELECIDLE_DLY_SEL, 0x25),
+	QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_EQ_CONFIG4, 0x00),
+	QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_EQ_CONFIG5, 0x22),
+	QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_TX_RX_CONFIG1, 0x04),
+	QMP_PHY_INIT_CFG(QPHY_V6_20_PCS_TX_RX_CONFIG2, 0x02),
+};
+
+static const struct qmp_phy_init_tbl sm8550_qmp_gen4x2_pcie_pcs_misc_tbl[] = {
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_ENDPOINT_REFCLK_DRIVE, 0xc1),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_OSC_DTCT_ATCIONS, 0x00),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_EQ_CONFIG1, 0x16),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_EQ_CONFIG5, 0x02),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G4_PRE_GAIN, 0x2e),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG1, 0x03),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG3, 0x28),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_TX_RX_CONFIG, 0xc0),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_POWER_STATE_CONFIG2, 0x1d),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_RX_MARGINING_CONFIG5, 0x0f),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G3_FOM_EQ_CONFIG5, 0xf2),
+	QMP_PHY_INIT_CFG(QPHY_PCIE_V6_20_PCS_G4_FOM_EQ_CONFIG5, 0xf2),
+};
+
 struct qmp_pcie_offsets {
 	u16 serdes;
 	u16 pcs;
@@ -1514,6 +1742,7 @@ struct qmp_pcie_offsets {
 	u16 rx;
 	u16 tx2;
 	u16 rx2;
+	u16 ln_shrd;
 };
 
 struct qmp_phy_cfg_tbls {
@@ -1527,6 +1756,8 @@ struct qmp_phy_cfg_tbls {
 	int pcs_num;
 	const struct qmp_phy_init_tbl *pcs_misc;
 	int pcs_misc_num;
+	const struct qmp_phy_init_tbl *ln_shrd;
+	int ln_shrd_num;
 };
 
 /* struct qmp_phy_cfg - per-PHY initialization config */
@@ -1569,6 +1800,8 @@ struct qmp_phy_cfg {
 
 	bool skip_start_delay;
 
+	bool has_nocsr_reset;
+
 	/* QMP PHY pipe clock interface rate */
 	unsigned long pipe_clock_rate;
 };
@@ -1586,6 +1819,7 @@ struct qmp_pcie {
 	void __iomem *rx;
 	void __iomem *tx2;
 	void __iomem *rx2;
+	void __iomem *ln_shrd;
 
 	void __iomem *port_b;
 
@@ -1594,6 +1828,7 @@ struct qmp_pcie {
 	int num_pipe_clks;
 
 	struct reset_control_bulk_data *resets;
+	struct reset_control *nocsr_reset;
 	struct regulator_bulk_data *vregs;
 
 	struct phy *phy;
@@ -1648,6 +1883,10 @@ static const char * const qmp_phy_vreg_l[] = {
 	"vdda-phy", "vdda-pll",
 };
 
+static const char * const sm8550_qmp_phy_vreg_l[] = {
+	"vdda-phy", "vdda-pll", "vdda-qref",
+};
+
 /* list of resets */
 static const char * const ipq8074_pciephy_reset_l[] = {
 	"phy", "common",
@@ -1667,6 +1906,17 @@ static const struct qmp_pcie_offsets qmp_pcie_offsets_v5 = {
 	.rx2		= 0x1800,
 };
 
+static const struct qmp_pcie_offsets qmp_pcie_offsets_v6_20 = {
+	.serdes		= 0x1000,
+	.pcs		= 0x1200,
+	.pcs_misc	= 0x1400,
+	.tx		= 0x0000,
+	.rx		= 0x0200,
+	.tx2		= 0x0800,
+	.rx2		= 0x0a00,
+	.ln_shrd	= 0x0e00,
+};
+
 static const struct qmp_phy_cfg ipq8074_pciephy_cfg = {
 	.lanes			= 1,
 
@@ -2214,6 +2464,67 @@ static const struct qmp_phy_cfg sm8450_qmp_gen4x2_pciephy_cfg = {
 	.phy_status		= PHYSTATUS_4_20,
 };
 
+static const struct qmp_phy_cfg sm8550_qmp_gen3x2_pciephy_cfg = {
+	.lanes = 2,
+
+	.offsets		= &qmp_pcie_offsets_v5,
+
+	.tbls = {
+		.serdes		= sm8550_qmp_gen3x2_pcie_serdes_tbl,
+		.serdes_num	= ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_serdes_tbl),
+		.tx		= sm8550_qmp_gen3x2_pcie_tx_tbl,
+		.tx_num		= ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_tx_tbl),
+		.rx		= sm8550_qmp_gen3x2_pcie_rx_tbl,
+		.rx_num		= ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_rx_tbl),
+		.pcs		= sm8550_qmp_gen3x2_pcie_pcs_tbl,
+		.pcs_num	= ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_pcs_tbl),
+		.pcs_misc	= sm8550_qmp_gen3x2_pcie_pcs_misc_tbl,
+		.pcs_misc_num	= ARRAY_SIZE(sm8550_qmp_gen3x2_pcie_pcs_misc_tbl),
+	},
+	.clk_list		= sc8280xp_pciephy_clk_l,
+	.num_clks		= ARRAY_SIZE(sc8280xp_pciephy_clk_l),
+	.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_v5_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,
+
+	.offsets		= &qmp_pcie_offsets_v6_20,
+
+	.tbls = {
+		.serdes			= sm8550_qmp_gen4x2_pcie_serdes_tbl,
+		.serdes_num		= ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_serdes_tbl),
+		.tx			= sm8550_qmp_gen4x2_pcie_tx_tbl,
+		.tx_num			= ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_tx_tbl),
+		.rx			= sm8550_qmp_gen4x2_pcie_rx_tbl,
+		.rx_num			= ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_rx_tbl),
+		.pcs			= sm8550_qmp_gen4x2_pcie_pcs_tbl,
+		.pcs_num		= ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_pcs_tbl),
+		.pcs_misc		= sm8550_qmp_gen4x2_pcie_pcs_misc_tbl,
+		.pcs_misc_num		= ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_pcs_misc_tbl),
+		.ln_shrd		= sm8550_qmp_gen4x2_pcie_ln_shrd_tbl,
+		.ln_shrd_num		= ARRAY_SIZE(sm8550_qmp_gen4x2_pcie_ln_shrd_tbl),
+	},
+	.clk_list		= sc8280xp_pciephy_clk_l,
+	.num_clks		= ARRAY_SIZE(sc8280xp_pciephy_clk_l),
+	.reset_list		= sdm845_pciephy_reset_l,
+	.num_resets		= ARRAY_SIZE(sdm845_pciephy_reset_l),
+	.vreg_list		= sm8550_qmp_phy_vreg_l,
+	.num_vregs		= ARRAY_SIZE(sm8550_qmp_phy_vreg_l),
+	.regs			= pciephy_v5_regs_layout,
+
+	.pwrdn_ctrl		= SW_PWRDN | REFCLK_DRV_DSBL,
+	.phy_status		= PHYSTATUS_4_20,
+	.has_nocsr_reset	= true,
+};
+
 static void qmp_pcie_configure_lane(void __iomem *base,
 					const struct qmp_phy_init_tbl tbl[],
 					int num,
@@ -2268,6 +2579,7 @@ static void qmp_pcie_init_registers(struct qmp_pcie *qmp, const struct qmp_phy_c
 	void __iomem *rx2 = qmp->rx2;
 	void __iomem *pcs = qmp->pcs;
 	void __iomem *pcs_misc = qmp->pcs_misc;
+	void __iomem *ln_shrd = qmp->ln_shrd;
 
 	if (!tbls)
 		return;
@@ -2289,6 +2601,8 @@ static void qmp_pcie_init_registers(struct qmp_pcie *qmp, const struct qmp_phy_c
 		qmp_pcie_configure(serdes, cfg->serdes_4ln_tbl, cfg->serdes_4ln_num);
 		qmp_pcie_init_port_b(qmp, tbls);
 	}
+
+	qmp_pcie_configure(ln_shrd, tbls->ln_shrd, tbls->ln_shrd_num);
 }
 
 static int qmp_pcie_init(struct phy *phy)
@@ -2309,12 +2623,18 @@ static int qmp_pcie_init(struct phy *phy)
 		goto err_disable_regulators;
 	}
 
+	ret = reset_control_assert(qmp->nocsr_reset);
+	if (ret) {
+		dev_err(qmp->dev, "no-csr reset assert failed\n");
+		goto err_assert_reset;
+	}
+
 	usleep_range(200, 300);
 
 	ret = reset_control_bulk_deassert(cfg->num_resets, qmp->resets);
 	if (ret) {
 		dev_err(qmp->dev, "reset deassert failed\n");
-		goto err_disable_regulators;
+		goto err_assert_reset;
 	}
 
 	ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
@@ -2370,6 +2690,12 @@ static int qmp_pcie_power_on(struct phy *phy)
 	if (ret)
 		return ret;
 
+	ret = reset_control_deassert(qmp->nocsr_reset);
+	if (ret) {
+		dev_err(qmp->dev, "no-csr reset deassert failed\n");
+		goto err_disable_pipe_clk;
+	}
+
 	/* Pull PHY out of reset state */
 	qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
 
@@ -2503,6 +2829,13 @@ static int qmp_pcie_reset_init(struct qmp_pcie *qmp)
 	if (ret)
 		return dev_err_probe(dev, ret, "failed to get resets\n");
 
+	if (cfg->has_nocsr_reset) {
+		qmp->nocsr_reset = devm_reset_control_get_exclusive(dev, "phy_nocsr");
+		if (IS_ERR(qmp->nocsr_reset))
+			return dev_err_probe(dev, PTR_ERR(qmp->nocsr_reset),
+						"failed to get no-CSR reset\n");
+	}
+
 	return 0;
 }
 
@@ -2725,6 +3058,9 @@ static int qmp_pcie_parse_dt(struct qmp_pcie *qmp)
 			return PTR_ERR(qmp->port_b);
 	}
 
+	if (cfg->tbls.ln_shrd)
+		qmp->ln_shrd = base + offs->ln_shrd;
+
 	qmp->num_pipe_clks = 2;
 	qmp->pipe_clks[0].id = "pipe";
 	qmp->pipe_clks[1].id = "pipediv2";
@@ -2865,6 +3201,12 @@ static const struct of_device_id qmp_pcie_of_match_table[] = {
 	}, {
 		.compatible = "qcom,sm8450-qmp-gen4x2-pcie-phy",
 		.data = &sm8450_qmp_gen4x2_pciephy_cfg,
+	}, {
+		.compatible = "qcom,sm8550-qmp-gen3x2-pcie-phy",
+		.data = &sm8550_qmp_gen3x2_pciephy_cfg,
+	}, {
+		.compatible = "qcom,sm8550-qmp-gen4x2-pcie-phy",
+		.data = &sm8550_qmp_gen4x2_pciephy_cfg,
 	},
 	{ },
 };
-- 
2.34.1

Re: [PATCH v8 08/11] phy: qcom-qmp-pcie: Add support for SM8550 g3x2 and g4x2 PCIEs

[Johan Hovold]

On Mon, Feb 06, 2023 at 11:26:16PM +0200, Abel Vesa wrote:
> Add the SM8550 both g4 and g3 configurations. In addition, there is a
> new "lane shared" table that needs to be configured for g4, along with
> the No-CSR list of resets. The no-CSR allows resetting the PHY without
> actually dropping the PHY configuration. The no-CSR needs to be
> deasserted only after the PHY has been configured and the PLL has
> stabilized.
> 
> Co-developed-by: Neil Armstrong <neil.armstrong@linaro.org>
> Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
> Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> ---

> @@ -2370,6 +2690,12 @@ static int qmp_pcie_power_on(struct phy *phy)
>  	if (ret)
>  		return ret;
>  
> +	ret = reset_control_deassert(qmp->nocsr_reset);
> +	if (ret) {
> +		dev_err(qmp->dev, "no-csr reset deassert failed\n");
> +		goto err_disable_pipe_clk;
> +	}
> +
>  	/* Pull PHY out of reset state */
>  	qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
>  
> @@ -2503,6 +2829,13 @@ static int qmp_pcie_reset_init(struct qmp_pcie *qmp)
>  	if (ret)
>  		return dev_err_probe(dev, ret, "failed to get resets\n");
>  
> +	if (cfg->has_nocsr_reset) {
> +		qmp->nocsr_reset = devm_reset_control_get_exclusive(dev, "phy_nocsr");
> +		if (IS_ERR(qmp->nocsr_reset))
> +			return dev_err_probe(dev, PTR_ERR(qmp->nocsr_reset),
> +						"failed to get no-CSR reset\n");

Nit: You're still using uppercase CSR here and lowercase elsewhere.

> +	}
> +
>  	return 0;
>  }

Reviewed-by: Johan Hovold <johan+linaro@kernel.org>

[PATCH v8 09/11] dt-bindings: PCI: qcom: Add SM8550 compatible

[Abel Vesa]

Add the SM8550 platform to the binding.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Johan Hovold <johan+linaro@kernel.org>
---

The v7 of this patch is:
https://lore.kernel.org/all/20230203081807.2248625-10-abel.vesa@linaro.org/

Changes since v7:
 * dropped the enable-gpios property as it is not used
 * added Johan's R-b tag

Changes since v6:
 * none

Changes since v5:
 * added Krzysztof's R-b tag

Changes since v4:
 * dropped _serdes infix from ln_shrd table name and from every ln_shrd
   variable name
 * added hyphen between "no CSR" in both places
 * dropped has_ln_shrd_serdes_tbl
 * reordered qmp_pcie_offsets_v6_20 by struct members
 * added rollback for no-CSR reset in qmp_pcie_init fail path
 * moved ln_shrd offset calculation after port_b
 * dropped the minItems for interconnects
 * made iommu related properties global
 * renamed noc_aggr_4 back to noc_aggr

Changes since v3:
 * renamed noc_aggr to noc_aggr_4, as found in the driver

Changes since v2:
 * dropped the pipe from clock-names
 * removed the pcie instance number from aggre clock-names comment
 * renamed aggre clock-names to noc_aggr
 * dropped the _pcie infix from cnoc_pcie_sf_axi
 * renamed pcie_1_link_down_reset to simply link_down
 * added enable-gpios back, since pcie1 node will use it

Changes since v1:
 * Switched to single compatible for both PCIes (qcom,pcie-sm8550)
 * dropped enable-gpios property
 * dropped interconnects related properties, the power-domains
 * properties
   and resets related properties the sm8550 specific allOf:if:then
 * dropped pipe_mux, phy_pipe and ref clocks from the sm8550 specific
   allOf:if:then clock-names array and decreased the minItems and
   maxItems for clocks property accordingly
 * added "minItems: 1" to interconnects, since sm8550 pcie uses just one,
   same for interconnect-names

 .../devicetree/bindings/pci/qcom,pcie.yaml    | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
index 872817d6d2bd..eb7f5a9aef2c 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.yaml
@@ -38,6 +38,7 @@ properties:
           - qcom,pcie-sm8350
           - qcom,pcie-sm8450-pcie0
           - qcom,pcie-sm8450-pcie1
+          - qcom,pcie-sm8550
       - items:
           - const: qcom,pcie-msm8996
           - const: qcom,pcie-msm8998
@@ -58,6 +59,12 @@ properties:
     minItems: 1
     maxItems: 8
 
+  iommus:
+    maxItems: 1
+
+  iommu-map:
+    maxItems: 2
+
   # Common definitions for clocks, clock-names and reset.
   # Platform constraints are described later.
   clocks:
@@ -205,6 +212,7 @@ allOf:
               - qcom,pcie-sm8350
               - qcom,pcie-sm8450-pcie0
               - qcom,pcie-sm8450-pcie1
+              - qcom,pcie-sm8550
     then:
       properties:
         reg:
@@ -639,6 +647,37 @@ allOf:
           items:
             - const: pci # PCIe core reset
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - qcom,pcie-sm8550
+    then:
+      properties:
+        clocks:
+          minItems: 7
+          maxItems: 8
+        clock-names:
+          minItems: 7
+          items:
+            - const: aux # Auxiliary clock
+            - const: cfg # Configuration clock
+            - const: bus_master # Master AXI clock
+            - const: bus_slave # Slave AXI clock
+            - const: slave_q2a # Slave Q2A clock
+            - const: ddrss_sf_tbu # PCIe SF TBU clock
+            - const: noc_aggr # Aggre NoC PCIe AXI clock
+            - const: cnoc_sf_axi # Config NoC PCIe1 AXI clock
+        resets:
+          minItems: 1
+          maxItems: 2
+        reset-names:
+          minItems: 1
+          items:
+            - const: pci # PCIe core reset
+            - const: link_down # PCIe link down reset
+
   - if:
       properties:
         compatible:
@@ -724,6 +763,7 @@ allOf:
               - qcom,pcie-sm8350
               - qcom,pcie-sm8450-pcie0
               - qcom,pcie-sm8450-pcie1
+              - qcom,pcie-sm8550
     then:
       oneOf:
         - properties:
-- 
2.34.1

[PATCH v8 10/11] PCI: qcom: Add SM8550 PCIe support

[Abel Vesa]

Add compatible for both PCIe found on SM8550.
Also add the noc_aggr and cnoc_sf_axi clocks needed by the SM8550.

Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
---

The v7 of this patchset is:
https://lore.kernel.org/all/20230203081807.2248625-11-abel.vesa@linaro.org/

Changes since v7:
 * Mentioned the noc_aggr clock in the commit message as well, while
   using the cnoc_sf_axi instead of cnoc_pcie_sf_axi

Changes since v6:
 * none

Changes since v5:
 * none

Changes since v4:
 * added Mani's R-b tag

Changes since v3:
 * renamed cnoc_pcie_sf_axi to cnoc_sf_axi

Changes since v2:
 * none

Changes since v1:
 * changed the subject line prefix for the patch to match the history,
   like Bjorn Helgaas suggested.
 * added Konrad's R-b tag

 drivers/pci/controller/dwc/pcie-qcom.c | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index a232b04af048..6a70c9c6f98d 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -182,10 +182,10 @@ struct qcom_pcie_resources_2_3_3 {
 
 /* 6 clocks typically, 7 for sm8250 */
 struct qcom_pcie_resources_2_7_0 {
-	struct clk_bulk_data clks[12];
+	struct clk_bulk_data clks[14];
 	int num_clks;
 	struct regulator_bulk_data supplies[2];
-	struct reset_control *pci_reset;
+	struct reset_control *rst;
 };
 
 struct qcom_pcie_resources_2_9_0 {
@@ -1177,9 +1177,9 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie)
 	unsigned int idx;
 	int ret;
 
-	res->pci_reset = devm_reset_control_get_exclusive(dev, "pci");
-	if (IS_ERR(res->pci_reset))
-		return PTR_ERR(res->pci_reset);
+	res->rst = devm_reset_control_array_get_exclusive(dev);
+	if (IS_ERR(res->rst))
+		return PTR_ERR(res->rst);
 
 	res->supplies[0].supply = "vdda";
 	res->supplies[1].supply = "vddpe-3v3";
@@ -1205,9 +1205,11 @@ static int qcom_pcie_get_resources_2_7_0(struct qcom_pcie *pcie)
 	res->clks[idx++].id = "ddrss_sf_tbu";
 	res->clks[idx++].id = "aggre0";
 	res->clks[idx++].id = "aggre1";
+	res->clks[idx++].id = "noc_aggr";
 	res->clks[idx++].id = "noc_aggr_4";
 	res->clks[idx++].id = "noc_aggr_south_sf";
 	res->clks[idx++].id = "cnoc_qx";
+	res->clks[idx++].id = "cnoc_sf_axi";
 
 	num_opt_clks = idx - num_clks;
 	res->num_clks = idx;
@@ -1237,17 +1239,17 @@ static int qcom_pcie_init_2_7_0(struct qcom_pcie *pcie)
 	if (ret < 0)
 		goto err_disable_regulators;
 
-	ret = reset_control_assert(res->pci_reset);
-	if (ret < 0) {
-		dev_err(dev, "cannot assert pci reset\n");
+	ret = reset_control_assert(res->rst);
+	if (ret) {
+		dev_err(dev, "reset assert failed (%d)\n", ret);
 		goto err_disable_clocks;
 	}
 
 	usleep_range(1000, 1500);
 
-	ret = reset_control_deassert(res->pci_reset);
-	if (ret < 0) {
-		dev_err(dev, "cannot deassert pci reset\n");
+	ret = reset_control_deassert(res->rst);
+	if (ret) {
+		dev_err(dev, "reset deassert failed (%d)\n", ret);
 		goto err_disable_clocks;
 	}
 
@@ -1841,6 +1843,7 @@ static const struct of_device_id qcom_pcie_match[] = {
 	{ .compatible = "qcom,pcie-sm8350", .data = &cfg_1_9_0 },
 	{ .compatible = "qcom,pcie-sm8450-pcie0", .data = &cfg_1_9_0 },
 	{ .compatible = "qcom,pcie-sm8450-pcie1", .data = &cfg_1_9_0 },
+	{ .compatible = "qcom,pcie-sm8550", .data = &cfg_1_9_0 },
 	{ }
 };
 
-- 
2.34.1

Re: [PATCH v8 10/11] PCI: qcom: Add SM8550 PCIe support

[Johan Hovold]

On Mon, Feb 06, 2023 at 11:26:18PM +0200, Abel Vesa wrote:
> Add compatible for both PCIe found on SM8550.
> Also add the noc_aggr and cnoc_sf_axi clocks needed by the SM8550.
> 
> Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> Reviewed-by: Manivannan Sadhasivam <mani@kernel.org>
> ---

> @@ -1237,17 +1239,17 @@ static int qcom_pcie_init_2_7_0(struct qcom_pcie *pcie)
>  	if (ret < 0)
>  		goto err_disable_regulators;
>  
> -	ret = reset_control_assert(res->pci_reset);
> -	if (ret < 0) {
> -		dev_err(dev, "cannot assert pci reset\n");
> +	ret = reset_control_assert(res->rst);
> +	if (ret) {
> +		dev_err(dev, "reset assert failed (%d)\n", ret);
>  		goto err_disable_clocks;
>  	}
>  
>  	usleep_range(1000, 1500);
>  
> -	ret = reset_control_deassert(res->pci_reset);
> -	if (ret < 0) {
> -		dev_err(dev, "cannot deassert pci reset\n");
> +	ret = reset_control_deassert(res->rst);
> +	if (ret) {
> +		dev_err(dev, "reset deassert failed (%d)\n", ret);
>  		goto err_disable_clocks;
>  	}

I'd still like to know if it's indeed ok the deassert the 'pci' reset
before the new 'link_down' reset here which is what this code currently
would do (i.e. same order as for assert, while if you had used the bulk
reset API it would have deasserted in the reverse order).

Other than that:

Reviewed-by: Johan Hovold <johan+linaro@kernel.org>

[PATCH v8 11/11] arm64: dts: qcom: sm8550: Fix PCIe PHYs and controllers nodes

[Abel Vesa]

First, move the pinctrl related propeties out from SoC dtsi and into the
board dts and add blank lines before status properties in the PHY nodes
to be consistent with the rest of the nodes. Then drop the pipe clock
from the controller nodes. Rename the aggre0 and aggre1 clocks to more
generic noc_aggr. Add the cpu-pcie interconnects to both controller nodes.
Rename the pcie1 second reset to link_down and drop the unnecessary
enable-gpios. Switch the aux clock to GCC_PCIE_1_PHY_AUX_CLK for the pcie1
PHY and drop the aux_phy from clock-names. Also rename the nocsr reset to
phy_nocsr. With this changes we are now in line with the SC8280XP bindings.

Fixes: 98a4dc3a78fa ("arm64: dts: qcom: sm8550: Add PCIe PHYs and controllers nodes")
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
---

This time, this patch actually fixes the already merged PCIe related
nodes. When compared to the earlier version of this patchset, this patch
leads to the PCIe nodes looking the same. Sorry for all this mess.

 arch/arm64/boot/dts/qcom/sm8550-mtp.dts | 10 +++++
 arch/arm64/boot/dts/qcom/sm8550.dtsi    | 52 +++++++++----------------
 2 files changed, 28 insertions(+), 34 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
index 725d3bc3ee72..56aab7cafcbc 100644
--- a/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8550-mtp.dts
@@ -414,18 +414,27 @@ &pcie_1_phy_aux_clk {
 &pcie0 {
 	wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
 	perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie0_default_state>;
+
 	status = "okay";
 };
 
 &pcie0_phy {
 	vdda-phy-supply = <&vreg_l1e_0p88>;
 	vdda-pll-supply = <&vreg_l3e_1p2>;
+
 	status = "okay";
 };
 
 &pcie1 {
 	wake-gpios = <&tlmm 99 GPIO_ACTIVE_HIGH>;
 	perst-gpios = <&tlmm 97 GPIO_ACTIVE_LOW>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie1_default_state>;
+
 	status = "okay";
 };
 
@@ -433,6 +442,7 @@ &pcie1_phy {
 	vdda-phy-supply = <&vreg_l3c_0p91>;
 	vdda-pll-supply = <&vreg_l3e_1p2>;
 	vdda-qref-supply = <&vreg_l1e_0p88>;
+
 	status = "okay";
 };
 
diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi
index 6ff135191ee0..bba1123ea374 100644
--- a/arch/arm64/boot/dts/qcom/sm8550.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi
@@ -1672,25 +1672,24 @@ pcie0: pci@1c00000 {
 					<0 0 0 3 &intc 0 0 0 151 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
 					<0 0 0 4 &intc 0 0 0 152 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
 
-			clocks = <&gcc GCC_PCIE_0_PIPE_CLK>,
-				 <&gcc GCC_PCIE_0_AUX_CLK>,
+			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>;
-			clock-names = "pipe",
-				      "aux",
+			clock-names = "aux",
 				      "cfg",
 				      "bus_master",
 				      "bus_slave",
 				      "slave_q2a",
 				      "ddrss_sf_tbu",
-				      "aggre0";
+				      "noc_aggr";
 
-			interconnect-names = "pcie-mem";
-			interconnects = <&pcie_noc MASTER_PCIE_0 0 &mc_virt SLAVE_EBI1 0>;
+			interconnects = <&pcie_noc MASTER_PCIE_0 0 &mc_virt SLAVE_EBI1 0>,
+					<&gem_noc MASTER_APPSS_PROC 0 &cnoc_main SLAVE_PCIE_0 0>;
+			interconnect-names = "pcie-mem", "cpu-pcie";
 
 			iommus = <&apps_smmu 0x1400 0x7f>;
 			iommu-map = <0x0   &apps_smmu 0x1400 0x1>,
@@ -1704,12 +1703,6 @@ pcie0: pci@1c00000 {
 			phys = <&pcie0_phy>;
 			phy-names = "pciephy";
 
-			perst-gpios = <&tlmm 94 GPIO_ACTIVE_LOW>;
-			wake-gpios = <&tlmm 96 GPIO_ACTIVE_HIGH>;
-
-			pinctrl-names = "default";
-			pinctrl-0 = <&pcie0_default_state>;
-
 			status = "disabled";
 		};
 
@@ -1771,8 +1764,7 @@ pcie1: pci@1c08000 {
 					<0 0 0 3 &intc 0 0 0 438 IRQ_TYPE_LEVEL_HIGH>, /* int_c */
 					<0 0 0 4 &intc 0 0 0 439 IRQ_TYPE_LEVEL_HIGH>; /* int_d */
 
-			clocks = <&gcc GCC_PCIE_1_PIPE_CLK>,
-				 <&gcc GCC_PCIE_1_AUX_CLK>,
+			clocks = <&gcc GCC_PCIE_1_AUX_CLK>,
 				 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
 				 <&gcc GCC_PCIE_1_MSTR_AXI_CLK>,
 				 <&gcc GCC_PCIE_1_SLV_AXI_CLK>,
@@ -1780,21 +1772,21 @@ pcie1: pci@1c08000 {
 				 <&gcc GCC_DDRSS_PCIE_SF_QTB_CLK>,
 				 <&gcc GCC_AGGRE_NOC_PCIE_AXI_CLK>,
 				 <&gcc GCC_CNOC_PCIE_SF_AXI_CLK>;
-			clock-names = "pipe",
-				      "aux",
+			clock-names = "aux",
 				      "cfg",
 				      "bus_master",
 				      "bus_slave",
 				      "slave_q2a",
 				      "ddrss_sf_tbu",
-				      "aggre1",
-				      "cnoc_pcie_sf_axi";
+				      "noc_aggr",
+				      "cnoc_sf_axi";
 
 			assigned-clocks = <&gcc GCC_PCIE_1_AUX_CLK>;
 			assigned-clock-rates = <19200000>;
 
-			interconnect-names = "pcie-mem";
-			interconnects = <&pcie_noc MASTER_PCIE_1 0 &mc_virt SLAVE_EBI1 0>;
+			interconnects = <&pcie_noc MASTER_PCIE_1 0 &mc_virt SLAVE_EBI1 0>,
+					<&gem_noc MASTER_APPSS_PROC 0 &cnoc_main SLAVE_PCIE_1 0>;
+			interconnect-names = "pcie-mem", "cpu-pcie";
 
 			iommus = <&apps_smmu 0x1480 0x7f>;
 			iommu-map = <0x0   &apps_smmu 0x1480 0x1>,
@@ -1802,20 +1794,13 @@ pcie1: pci@1c08000 {
 
 			resets = <&gcc GCC_PCIE_1_BCR>,
 				<&gcc GCC_PCIE_1_LINK_DOWN_BCR>;
-			reset-names = "pci",
-				"pcie_1_link_down_reset";
+			reset-names = "pci", "link_down";
 
 			power-domains = <&gcc PCIE_1_GDSC>;
 
 			phys = <&pcie1_phy>;
 			phy-names = "pciephy";
 
-			perst-gpios = <&tlmm 97 GPIO_ACTIVE_LOW>;
-			enable-gpios = <&tlmm 99 GPIO_ACTIVE_HIGH>;
-
-			pinctrl-names = "default";
-			pinctrl-0 = <&pcie1_default_state>;
-
 			status = "disabled";
 		};
 
@@ -1823,18 +1808,17 @@ pcie1_phy: phy@1c0e000 {
 			compatible = "qcom,sm8550-qmp-gen4x2-pcie-phy";
 			reg = <0x0 0x01c0e000 0x0 0x2000>;
 
-			clocks = <&gcc GCC_PCIE_1_AUX_CLK>,
+			clocks = <&gcc GCC_PCIE_1_PHY_AUX_CLK>,
 				 <&gcc GCC_PCIE_1_CFG_AHB_CLK>,
 				 <&tcsr TCSR_PCIE_1_CLKREF_EN>,
 				 <&gcc GCC_PCIE_1_PHY_RCHNG_CLK>,
-				 <&gcc GCC_PCIE_1_PIPE_CLK>,
-				 <&gcc GCC_PCIE_1_PHY_AUX_CLK>;
+				 <&gcc GCC_PCIE_1_PIPE_CLK>;
 			clock-names = "aux", "cfg_ahb", "ref", "rchng",
-				      "pipe", "aux_phy";
+				      "pipe";
 
 			resets = <&gcc GCC_PCIE_1_PHY_BCR>,
 				 <&gcc GCC_PCIE_1_NOCSR_COM_PHY_BCR>;
-			reset-names = "phy", "nocsr";
+			reset-names = "phy", "phy_nocsr";
 
 			assigned-clocks = <&gcc GCC_PCIE_1_PHY_RCHNG_CLK>;
 			assigned-clock-rates = <100000000>;
-- 
2.34.1

Re: [PATCH v8 11/11] arm64: dts: qcom: sm8550: Fix PCIe PHYs and controllers nodes

[Johan Hovold]

On Mon, Feb 06, 2023 at 11:26:19PM +0200, Abel Vesa wrote:
> First, move the pinctrl related propeties out from SoC dtsi and into the
> board dts and add blank lines before status properties in the PHY nodes
> to be consistent with the rest of the nodes. Then drop the pipe clock
> from the controller nodes. Rename the aggre0 and aggre1 clocks to more
> generic noc_aggr. Add the cpu-pcie interconnects to both controller nodes.
> Rename the pcie1 second reset to link_down and drop the unnecessary
> enable-gpios. Switch the aux clock to GCC_PCIE_1_PHY_AUX_CLK for the pcie1
> PHY and drop the aux_phy from clock-names. Also rename the nocsr reset to
> phy_nocsr. With this changes we are now in line with the SC8280XP bindings.
> 
> Fixes: 98a4dc3a78fa ("arm64: dts: qcom: sm8550: Add PCIe PHYs and controllers nodes")
> Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
> ---
> 
> This time, this patch actually fixes the already merged PCIe related
> nodes. When compared to the earlier version of this patchset, this patch
> leads to the PCIe nodes looking the same. Sorry for all this mess.

Looks good now. 

Reviewed-by: Johan Hovold <johan+linaro@kernel.org>