diff --git a/Documentation/devicetree/bindings/gpio/fsl,mpc8323-qe-pario-bank.yaml b/Documentation/devicetree/bindings/gpio/fsl,mpc8323-qe-pario-bank.yaml
new file mode 100644
index 000000000000..1d2ab44fcd3c
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/fsl,mpc8323-qe-pario-bank.yaml
@@ -0,0 +1,84 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/fsl,mpc8323-qe-pario-bank.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale QUICC Engine Parallel I/O (QE PARIO) GPIO Bank
+
+maintainers:
+  - Christophe Leroy <christophe.leroy@csgroup.eu>
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - fsl,mpc8360-qe-pario-bank
+              - fsl,mpc8569-qe-pario-bank
+          - const: fsl,mpc8323-qe-pario-bank
+      - const: fsl,mpc8323-qe-pario-bank
+
+  reg:
+    maxItems: 1
+
+  gpio-controller: true
+
+  "#gpio-cells":
+    const: 2
+
+  "#address-cells":
+    const: 0
+
+  "#interrupt-cells":
+    const: 2
+
+  interrupt-map:
+    description: |
+      Specifies the mapping of GPIO lines to the parent interrupt controller, as the
+      GPIO controller does not do interrupt handling itself.
+
+required:
+  - compatible
+  - reg
+  - gpio-controller
+  - "#gpio-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    gpio-controller@1400 {
+        compatible = "fsl,mpc8360-qe-pario-bank", "fsl,mpc8323-qe-pario-bank";
+        reg = <0x1400 0x18>;
+        gpio-controller;
+        #gpio-cells = <2>;
+    };
+
+    gpio-controller@1418 {
+        compatible = "fsl,mpc8323-qe-pario-bank";
+        reg = <0x1418 0x18>;
+        gpio-controller;
+        #gpio-cells = <2>;
+        #address-cells = <0>;
+        #interrupt-cells = <2>;
+        interrupt-map = <
+          7 IRQ_TYPE_EDGE_FALLING  &pic 4 IRQ_TYPE_EDGE_FALLING
+          7 IRQ_TYPE_EDGE_BOTH     &pic 4 IRQ_TYPE_EDGE_BOTH
+          7 0                      &pic 4 IRQ_TYPE_NONE
+
+          9 IRQ_TYPE_EDGE_FALLING  &pic 5 IRQ_TYPE_EDGE_FALLING
+          9 IRQ_TYPE_EDGE_BOTH     &pic 5 IRQ_TYPE_EDGE_BOTH
+          9 0                      &pic 5 IRQ_TYPE_NONE
+
+          25 IRQ_TYPE_EDGE_FALLING &pic 6 IRQ_TYPE_EDGE_FALLING
+          25 IRQ_TYPE_EDGE_BOTH    &pic 6 IRQ_TYPE_EDGE_BOTH
+          25 0                     &pic 6 IRQ_TYPE_NONE
+
+          27 IRQ_TYPE_EDGE_FALLING &pic 7 IRQ_TYPE_EDGE_FALLING
+          27 IRQ_TYPE_EDGE_BOTH    &pic 7 IRQ_TYPE_EDGE_BOTH
+          27 0                     &pic 7 IRQ_TYPE_NONE
+        >;
+    };
diff --git a/Documentation/devicetree/bindings/interrupt-controller/fsl,qe-ports-ic.yaml b/Documentation/devicetree/bindings/interrupt-controller/fsl,qe-ports-ic.yaml
index 2b8e7b9c6d7a..2b7c6b4f0389 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/fsl,qe-ports-ic.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/fsl,qe-ports-ic.yaml
@@ -23,7 +23,7 @@ properties:
     const: 0
 
   '#interrupt-cells':
-    const: 1
+    const: 2
 
   interrupts:
     maxItems: 1
@@ -45,7 +45,7 @@ examples:
       reg = <0xc00 0x18>;
       interrupt-controller;
       #address-cells = <0>;
-      #interrupt-cells = <1>;
+      #interrupt-cells = <2>;
       interrupts = <74 0x8>;
       interrupt-parent = <&ipic>;
     };
diff --git a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe/par_io.txt b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe/par_io.txt
index 09b1b05fa677..782699c14567 100644
--- a/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe/par_io.txt
+++ b/Documentation/devicetree/bindings/soc/fsl/cpm_qe/qe/par_io.txt
@@ -24,28 +24,4 @@ par_io@1400 {
 
 Note that "par_io" nodes are obsolete, and should not be used for
 the new device trees. Instead, each Par I/O bank should be represented
-via its own gpio-controller node:
-
-Required properties:
-- #gpio-cells : should be "2".
-- compatible : should be "fsl,<chip>-qe-pario-bank",
-  "fsl,mpc8323-qe-pario-bank".
-- reg : offset to the register set and its length.
-- gpio-controller : node to identify gpio controllers.
-
-Example:
-	qe_pio_a: gpio-controller@1400 {
-		#gpio-cells = <2>;
-		compatible = "fsl,mpc8360-qe-pario-bank",
-		"fsl,mpc8323-qe-pario-bank";
-		reg = <0x1400 0x18>;
-		gpio-controller;
-	  };
-
-	qe_pio_e: gpio-controller@1460 {
-		#gpio-cells = <2>;
-		compatible = "fsl,mpc8360-qe-pario-bank",
-			     "fsl,mpc8323-qe-pario-bank";
-		reg = <0x1460 0x18>;
-		gpio-controller;
-	  };
+via its own gpio-controller node.
diff --git a/Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-dcfg.yaml b/Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-dcfg.yaml
index 3fb0534ea597..fc14fd0bf84b 100644
--- a/Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-dcfg.yaml
+++ b/Documentation/devicetree/bindings/soc/fsl/fsl,layerscape-dcfg.yaml
@@ -36,7 +36,20 @@ properties:
           - const: simple-mfd
 
   reg:
-    maxItems: 1
+    minItems: 1
+    items:
+      - description:
+          Customer-visible DCFG register map from CCSR address space
+          (Configuration, Control and Status Registers)
+      - description:
+          Customer-hidden DCFG register map from DCSR address space
+          (Debug Control and Status Registers)
+
+  reg-names:
+    minItems: 1
+    items:
+      - const: dcfg_ccsr
+      - const: dcfg_dcsr
 
   little-endian: true
   big-endian: true
diff --git a/MAINTAINERS b/MAINTAINERS
index ae360813184c..9091653c0620 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7814,7 +7814,7 @@ F:	Documentation/devicetree/bindings/media/i2c/dongwoon,dw9807-vcm.yaml
 F:	drivers/media/i2c/dw9807-vcm.c
 
 DPAA2 DATAPATH I/O (DPIO) DRIVER
-M:	Roy Pledge <Roy.Pledge@nxp.com>
+M:	Ioana Ciornei <ioana.ciornei@nxp.com>
 L:	linux-kernel@vger.kernel.org
 S:	Maintained
 F:	drivers/soc/fsl/dpio
diff --git a/arch/powerpc/platforms/Kconfig b/arch/powerpc/platforms/Kconfig
index c4e61843d9d9..2f797ac6f1b3 100644
--- a/arch/powerpc/platforms/Kconfig
+++ b/arch/powerpc/platforms/Kconfig
@@ -228,14 +228,6 @@ config TAU_AVERAGE
 
 	  If in doubt, say N here.
 
-config QE_GPIO
-	bool "QE GPIO support"
-	depends on QUICC_ENGINE
-	select GPIOLIB
-	help
-	  Say Y here if you're going to use hardware that connects to the
-	  QE GPIOs.
-
 config CPM2
 	bool "Enable support for the CPM2 (Communications Processor Module)"
 	depends on (FSL_SOC_BOOKE && PPC32) || PPC_82xx
diff --git a/drivers/bus/fsl-mc/dprc-driver.c b/drivers/bus/fsl-mc/dprc-driver.c
index a85706826fa0..a81188cb06f2 100644
--- a/drivers/bus/fsl-mc/dprc-driver.c
+++ b/drivers/bus/fsl-mc/dprc-driver.c
@@ -521,12 +521,8 @@ static int register_dprc_irq_handler(struct fsl_mc_device *mc_dev)
 					  IRQF_NO_SUSPEND | IRQF_ONESHOT,
 					  dev_name(&mc_dev->dev),
 					  &mc_dev->dev);
-	if (error < 0) {
-		dev_err(&mc_dev->dev,
-			"devm_request_threaded_irq() failed: %d\n",
-			error);
+	if (error < 0)
 		return error;
-	}
 
 	return 0;
 }
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index 64d75eed0d34..8c203cd47534 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -908,7 +908,7 @@ struct fsl_mc_device *fsl_mc_get_endpoint(struct fsl_mc_device *mc_dev,
 	int state, err;
 
 	mc_bus_dev = to_fsl_mc_device(mc_dev->dev.parent);
-	strcpy(endpoint1.type, mc_dev->obj_desc.type);
+	strscpy(endpoint1.type, mc_dev->obj_desc.type);
 	endpoint1.id = mc_dev->obj_desc.id;
 	endpoint1.if_id = if_id;
 
@@ -925,7 +925,7 @@ struct fsl_mc_device *fsl_mc_get_endpoint(struct fsl_mc_device *mc_dev,
 		return ERR_PTR(err);
 	}
 
-	strcpy(endpoint_desc.type, endpoint2.type);
+	strscpy(endpoint_desc.type, endpoint2.type);
 	endpoint_desc.id = endpoint2.id;
 	endpoint = fsl_mc_device_lookup(&endpoint_desc, mc_bus_dev);
 	if (endpoint)
diff --git a/drivers/phy/freescale/Kconfig b/drivers/phy/freescale/Kconfig
index 5bf3864fbe64..d4e189fffbf8 100644
--- a/drivers/phy/freescale/Kconfig
+++ b/drivers/phy/freescale/Kconfig
@@ -58,6 +58,7 @@ config PHY_FSL_LYNX_10G
 	tristate "Freescale Layerscape Lynx 10G SerDes PHY support"
 	depends on OF
 	depends on ARCH_LAYERSCAPE || COMPILE_TEST
+	select FSL_GUTS
 	select GENERIC_PHY
 	select PHY_FSL_LYNX_CORE
 	help
diff --git a/drivers/phy/freescale/phy-fsl-lynx-10g.c b/drivers/phy/freescale/phy-fsl-lynx-10g.c
index 38def160ef1a..60c85d08c33e 100644
--- a/drivers/phy/freescale/phy-fsl-lynx-10g.c
+++ b/drivers/phy/freescale/phy-fsl-lynx-10g.c
@@ -8,6 +8,7 @@
 #include <linux/phy/phy.h>
 #include <linux/platform_device.h>
 #include <linux/workqueue.h>
+#include <linux/fsl/guts.h>
 
 #include "phy-fsl-lynx-core.h"
 
@@ -1167,14 +1168,7 @@ static bool lynx_10g_lane_mode_needs_rcw_override(struct lynx_lane *lane,
 
 	/* Major protocol changes, which involve changing the PCS connection to
 	 * the GMII MAC with the one to the XGMII MAC, require an RCW override
-	 * procedure to reconfigure an internal mux, as documented here:
-	 * https://lore.kernel.org/linux-phy/20230810102631.bvozjer3t67r67iy@skbuf/
-	 * This is SoC-specific, and not yet implemented in drivers/soc/fsl/guts.c.
-	 *
-	 * So the supported set of protocols depends on the initial lane mode.
-	 *
-	 * Minor protocol changes (SGMII <-> 1000Base-X <-> 2500Base-X or
-	 * 10GBase-R <-> USXGMII) are supported.
+	 * procedure to reconfigure an internal mux.
 	 */
 	if ((lynx_lane_mode_uses_gmii_mac(curr) &&
 	     lynx_lane_mode_uses_xgmii_mac(new)) ||
@@ -1189,6 +1183,7 @@ static int lynx_10g_validate(struct phy *phy, enum phy_mode mode, int submode,
 			     union phy_configure_opts *opts)
 {
 	struct lynx_lane *lane = phy_get_drvdata(phy);
+	struct lynx_priv *priv = lane->priv;
 	enum lynx_lane_mode lane_mode;
 	int err;
 
@@ -1197,7 +1192,8 @@ static int lynx_10g_validate(struct phy *phy, enum phy_mode mode, int submode,
 		return err;
 
 	if (lynx_10g_lane_mode_needs_rcw_override(lane, lane_mode))
-		return -EINVAL;
+		return fsl_guts_lane_validate(priv->info->index, lane->id,
+					      lane_mode);
 
 	return 0;
 }
@@ -1205,6 +1201,7 @@ static int lynx_10g_validate(struct phy *phy, enum phy_mode mode, int submode,
 static int lynx_10g_set_mode(struct phy *phy, enum phy_mode mode, int submode)
 {
 	struct lynx_lane *lane = phy_get_drvdata(phy);
+	struct lynx_priv *priv = lane->priv;
 	bool powered_up = lane->powered_up;
 	enum lynx_lane_mode lane_mode;
 	int err;
@@ -1225,6 +1222,13 @@ static int lynx_10g_set_mode(struct phy *phy, enum phy_mode mode, int submode)
 	if (powered_up)
 		lynx_10g_lane_halt(phy);
 
+	if (lynx_10g_lane_mode_needs_rcw_override(lane, lane_mode)) {
+		err = fsl_guts_lane_set_mode(priv->info->index, lane->id,
+					     lane_mode);
+		if (err)
+			goto out;
+	}
+
 	err = lynx_10g_lane_disable_pcvt(lane, lane->mode);
 	if (err)
 		goto out;
@@ -1314,6 +1318,7 @@ static struct platform_driver lynx_10g_driver = {
 };
 module_platform_driver(lynx_10g_driver);
 
+MODULE_IMPORT_NS("FSL_GUTS");
 MODULE_IMPORT_NS("PHY_FSL_LYNX");
 MODULE_AUTHOR("Ioana Ciornei <ioana.ciornei@nxp.com>");
 MODULE_AUTHOR("Vladimir Oltean <vladimir.oltean@nxp.com>");
diff --git a/drivers/soc/fsl/dpio/dpio-driver.c b/drivers/soc/fsl/dpio/dpio-driver.c
index 9e3fddd8f5a9..d5198ffc4455 100644
--- a/drivers/soc/fsl/dpio/dpio-driver.c
+++ b/drivers/soc/fsl/dpio/dpio-driver.c
@@ -102,12 +102,8 @@ static int register_dpio_irq_handlers(struct fsl_mc_device *dpio_dev, int cpu)
 				 0,
 				 dev_name(&dpio_dev->dev),
 				 &dpio_dev->dev);
-	if (error < 0) {
-		dev_err(&dpio_dev->dev,
-			"devm_request_irq() failed: %d\n",
-			error);
+	if (error < 0)
 		return error;
-	}
 
 	/* set the affinity hint */
 	if (irq_set_affinity_hint(irq->virq, cpumask_of(cpu)))
diff --git a/drivers/soc/fsl/guts.c b/drivers/soc/fsl/guts.c
index 9bee7baec2b9..28361c63e26c 100644
--- a/drivers/soc/fsl/guts.c
+++ b/drivers/soc/fsl/guts.c
@@ -5,7 +5,10 @@
  * Copyright (C) 2016 Freescale Semiconductor, Inc.
  */
 
+#include <linux/bitfield.h>
+#include <linux/bitops.h>
 #include <linux/io.h>
+#include <linux/iopoll.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/of_fdt.h>
@@ -14,15 +17,110 @@
 #include <linux/platform_device.h>
 #include <linux/fsl/guts.h>
 
+#define DCFG_CCSR	0
+#define DCFG_DCSR	1
+
+#define RCW_TIMEOUT_US	1
+
+#define LS1046A_RCWSR5_SRDS_PRTCL_S1(lane)	\
+	GENMASK(19 + 4 * (lane), 16 + 4 * (lane))
+#define LS1046A_SRDS_PRTCL_XFI				1
+#define LS1046A_SRDS_PRTCL_100BASEX_SGMII		3
+
+#define LS1088A_RCWSR29_SRDS_PRTCL_S1_LNn(lane)	\
+	GENMASK(19 + 4 * (3 - (lane)), 16 + 4 * (3 - (lane)))
+#define LS1088A_RCWSR30_SRDS_PRTCL_S2_LNn(lane)	\
+	GENMASK(3 + 4 * (3 - (lane)), 4 * (3 - (lane)))
+#define LS1088A_SRDS_PRTCL_XFI				1
+#define LS1088A_SRDS_PRTCL_100BASEX_SGMII		3
+
+#define LS2088A_RCWSR29_SRDS_PRTCL_S1			GENMASK(23, 16)
+#define LS2088A_RCWSR30_SRDS_CLK_EN_SEL_XGMII_S1	BIT(14)
+#define LS2088A_RCWSR30_SRDS_CLK_SEL_XGMII_Ln_S1(lane)	BIT(6 + (7 - (lane)))
+#define LS2088A_RCWSR30_SRDS_CLK_SEL_MSK		GENMASK(13, 6)
+#define LS2088A_SRDS_CLK_SEL_XGMII			1
+#define LS2088A_SRDS_CLK_SEL_GMII			0
+
 struct fsl_soc_die_attr {
 	char	*die;
 	u32	svr;
 	u32	mask;
 };
 
+struct fsl_soc_serdes_rcw_override {
+	int offset;
+	int mask;
+	int val;
+};
+
 struct fsl_soc_data {
 	const char *sfp_compat;
 	u32 uid_offset;
+	int num_serdes_blocks;
+	int num_serdes_lanes;
+	int (*serdes_init_rcwcr)(int index);
+	int (*serdes_get_rcw_override)(int index, int lane,
+				       enum lynx_lane_mode lane_mode,
+				       struct fsl_soc_serdes_rcw_override *override);
+};
+
+enum qoriq_die {
+	DIE_T4240,
+	DIE_T1040,
+	DIE_T2080,
+	DIE_T1024,
+	DIE_LS1043A,
+	DIE_LS2080A,
+	DIE_LS1088A,
+	DIE_LS1012A,
+	DIE_LS1046A,
+	DIE_LS2088A,
+	DIE_LS1021A,
+	DIE_LX2160A,
+	DIE_LS1028A,
+	DIE_MAX,
+};
+
+struct rcw_full_srds_proto {
+	int srds_proto_val;
+	unsigned long xgmii_lanes;
+};
+
+static const struct rcw_full_srds_proto ls2088a_rcw_full_srds1_protos[] = {
+	{ 0x05, 0 },
+	{ 0x07, 0 },
+	{ 0x09, 0 },
+	{ 0x0a, 0 },
+	{ 0x0c, 0 },
+	{ 0x0e, 0 },
+	{ 0x10, 0 },
+	{ 0x12, 0 },
+	{ 0x14, 0 },
+	{ 0x16, 0 },
+	{ 0x18, 0 },
+	{ 0x1a, 0 },
+	{ 0x1c, 0 },
+	{ 0x1e, 0 },
+	{ 0x20, 0 },
+	{ 0x22, 0 },
+	{ 0x24, 0 },
+	{ 0x26, GENMASK(7, 6) },
+	{ 0x28, GENMASK(7, 4) },
+	{ 0x2a, GENMASK(7, 0) },
+	/* 0x2b: unimplemented because of XAUI1 (lanes E-H) */
+	/* 0x2d: unimplemented because of XAUI1 (lanes E-H) */
+	/* 0x2e: unimplemented because of XAUI1 (lanes E-H) */
+	/* 0x30: unimplemented because of XAUI1 (lanes E-H) */
+	/* 0x32: unimplemented because of XAUI1 (lanes E-H) and XAUI2 (A-D) */
+	/* 0x33: unimplemented because of QSGMII (lanes E-H) */
+	/* 0x35: unimplemented because of QSGMII (lanes A-C) */
+	/* 0x37: unimplemented because of QSGMII (lanes E-F) */
+	{ 0x39, 0 },
+	{ 0x3b, GENMASK(6, 4) | GENMASK(2, 0) },
+	{ 0x4b, GENMASK(7, 4) },
+	{ 0x4c, GENMASK(3, 0) },
+	{ 0x4d, 0 },
+	{ 0x58, 0 },
 };
 
 /* SoC die attribute definition for QorIQ platform */
@@ -32,21 +130,25 @@ static const struct fsl_soc_die_attr fsl_soc_die[] = {
 	 */
 
 	/* Die: T4240, SoC: T4240/T4160/T4080 */
+	[DIE_T4240] =
 	{ .die		= "T4240",
 	  .svr		= 0x82400000,
 	  .mask		= 0xfff00000,
 	},
 	/* Die: T1040, SoC: T1040/T1020/T1042/T1022 */
+	[DIE_T1040] =
 	{ .die		= "T1040",
 	  .svr		= 0x85200000,
 	  .mask		= 0xfff00000,
 	},
 	/* Die: T2080, SoC: T2080/T2081 */
+	[DIE_T2080] =
 	{ .die		= "T2080",
 	  .svr		= 0x85300000,
 	  .mask		= 0xfff00000,
 	},
 	/* Die: T1024, SoC: T1024/T1014/T1023/T1013 */
+	[DIE_T1024] =
 	{ .die		= "T1024",
 	  .svr		= 0x85400000,
 	  .mask		= 0xfff00000,
@@ -57,46 +159,55 @@ static const struct fsl_soc_die_attr fsl_soc_die[] = {
 	 */
 
 	/* Die: LS1043A, SoC: LS1043A/LS1023A */
+	[DIE_LS1043A] =
 	{ .die		= "LS1043A",
 	  .svr		= 0x87920000,
 	  .mask		= 0xffff0000,
 	},
 	/* Die: LS2080A, SoC: LS2080A/LS2040A/LS2085A */
+	[DIE_LS2080A] =
 	{ .die		= "LS2080A",
 	  .svr		= 0x87010000,
 	  .mask		= 0xff3f0000,
 	},
 	/* Die: LS1088A, SoC: LS1088A/LS1048A/LS1084A/LS1044A */
+	[DIE_LS1088A] =
 	{ .die		= "LS1088A",
 	  .svr		= 0x87030000,
 	  .mask		= 0xff3f0000,
 	},
 	/* Die: LS1012A, SoC: LS1012A */
+	[DIE_LS1012A] =
 	{ .die		= "LS1012A",
 	  .svr		= 0x87040000,
 	  .mask		= 0xffff0000,
 	},
 	/* Die: LS1046A, SoC: LS1046A/LS1026A */
+	[DIE_LS1046A] =
 	{ .die		= "LS1046A",
 	  .svr		= 0x87070000,
 	  .mask		= 0xffff0000,
 	},
 	/* Die: LS2088A, SoC: LS2088A/LS2048A/LS2084A/LS2044A */
+	[DIE_LS2088A] =
 	{ .die		= "LS2088A",
 	  .svr		= 0x87090000,
 	  .mask		= 0xff3f0000,
 	},
 	/* Die: LS1021A, SoC: LS1021A/LS1020A/LS1022A */
+	[DIE_LS1021A] =
 	{ .die		= "LS1021A",
 	  .svr		= 0x87000000,
 	  .mask		= 0xfff70000,
 	},
 	/* Die: LX2160A, SoC: LX2160A/LX2120A/LX2080A */
+	[DIE_LX2160A] =
 	{ .die          = "LX2160A",
 	  .svr          = 0x87360000,
 	  .mask         = 0xff3f0000,
 	},
 	/* Die: LS1028A, SoC: LS1028A */
+	[DIE_LS1028A] =
 	{ .die          = "LS1028A",
 	  .svr          = 0x870b0000,
 	  .mask         = 0xff3f0000,
@@ -104,17 +215,160 @@ static const struct fsl_soc_die_attr fsl_soc_die[] = {
 	{ },
 };
 
+static struct fsl_soc_guts {
+	struct ccsr_guts __iomem *dcfg_ccsr;
+	struct ccsr_guts __iomem *dcfg_dcsr;
+	const struct fsl_soc_data *data;
+	bool little_endian;
+	u32 svr;
+	spinlock_t rcwcr_lock; /* serializes concurrent writes to the RCWCR */
+} soc;
+
+static unsigned int fsl_guts_read(const void __iomem *reg)
+{
+	if (soc.little_endian)
+		return ioread32(reg);
+
+	return ioread32be(reg);
+}
+
+static void fsl_guts_write(void __iomem *reg, u32 val)
+{
+	if (soc.little_endian)
+		iowrite32(val, reg);
+	else
+		iowrite32be(val, reg);
+}
+
+/* Some fields of the Reset Configuration Word (RCW) can be overridden at
+ * runtime by writing to the RCWCRn registers contained within the DCSR space
+ * of the Device Configuration (DCFG) block. The layout of the RCWCRn registers
+ * is identical with the read-only RCWSRn from the CCSR space.
+ */
+static int fsl_guts_rcw_rmw(int offset, u32 val, u32 mask)
+{
+	u32 rcwcr, rcwsr = fsl_guts_read(&soc.dcfg_ccsr->rcwsr[offset]);
+
+	rcwcr = rcwsr & ~mask;
+	rcwcr |= val;
+	fsl_guts_write(&soc.dcfg_dcsr->rcwcr[offset], rcwcr);
+
+	pr_debug("RCW override: RCWSR%d 0x%x -> RCWCR%d 0x%x\n",
+		 offset + 1, rcwsr, offset + 1, rcwcr);
+
+	/* Updates to RCWCR should be visible back in RCWSR immediately */
+	return read_poll_timeout_atomic(fsl_guts_read, rcwsr, rcwsr == rcwcr,
+					0, RCW_TIMEOUT_US, false,
+					&soc.dcfg_ccsr->rcwsr[offset]);
+}
+
+static bool fsl_soc_die_match_one(u32 svr, const struct fsl_soc_die_attr *match)
+{
+	return match->svr == (svr & match->mask);
+}
+
 static const struct fsl_soc_die_attr *fsl_soc_die_match(
 	u32 svr, const struct fsl_soc_die_attr *matches)
 {
 	while (matches->svr) {
-		if (matches->svr == (svr & matches->mask))
+		if (fsl_soc_die_match_one(svr, matches))
 			return matches;
 		matches++;
 	}
 	return NULL;
 }
 
+static int
+fsl_guts_serdes_get_rcw_override(int serdes_idx, int lane,
+				 enum lynx_lane_mode lane_mode,
+				 struct fsl_soc_serdes_rcw_override *override)
+{
+	const struct fsl_soc_data *soc_data = soc.data;
+
+	if (!soc_data)
+		return -ENODEV;
+
+	/* serdes_idx is one-based */
+	if (serdes_idx > soc_data->num_serdes_blocks || serdes_idx <= 0)
+		return -ERANGE;
+
+	if (lane >= soc_data->num_serdes_lanes || lane < 0)
+		return -ERANGE;
+
+	if (!soc_data->serdes_get_rcw_override) {
+		pr_debug("RCW override not implemented for SoC\n");
+		return -EINVAL;
+	}
+
+	if (!soc.dcfg_dcsr) {
+		pr_debug("Device tree does not define DCFG_DCSR region necessary for RCW override\n");
+		return -EINVAL;
+	}
+
+	return soc_data->serdes_get_rcw_override(serdes_idx, lane, lane_mode,
+						 override);
+}
+
+/**
+ * fsl_guts_lane_validate() - Validate that SerDes protocol is implemented and
+ *	supported on current SoC
+ * @serdes_idx: one-based SerDes block index
+ * @lane: zero-based lane index within SerDes
+ * @lane_mode: requested SerDes protocol
+ *
+ * Should be called before actually requesting the RCW override procedure to be
+ * applied using %fsl_guts_lane_set_mode()
+ *
+ * Return: 0 if RCW override to protocol is possible, negative error otherwise
+ */
+int fsl_guts_lane_validate(int serdes_idx, int lane, enum lynx_lane_mode lane_mode)
+{
+	struct fsl_soc_serdes_rcw_override override;
+
+	return fsl_guts_serdes_get_rcw_override(serdes_idx, lane, lane_mode,
+						&override);
+}
+EXPORT_SYMBOL_NS_GPL(fsl_guts_lane_validate, "FSL_GUTS");
+
+/**
+ * fsl_guts_lane_set_mode() - apply RCW override procedure for SerDes lane
+ * @serdes_idx: one-based SerDes block index
+ * @lane: zero-based lane index within SerDes
+ * @lane_mode: requested SerDes protocol
+ *
+ * Return: 0 on success, negative error otherwise
+ */
+int fsl_guts_lane_set_mode(int serdes_idx, int lane, enum lynx_lane_mode lane_mode)
+{
+	struct fsl_soc_serdes_rcw_override override;
+	int err;
+
+	err = fsl_guts_serdes_get_rcw_override(serdes_idx, lane, lane_mode,
+					       &override);
+	if (err)
+		return err;
+
+	spin_lock(&soc.rcwcr_lock);
+
+	if (soc.data->serdes_init_rcwcr) {
+		err = soc.data->serdes_init_rcwcr(serdes_idx);
+		if (err)
+			goto out_unlock;
+	}
+
+	err = fsl_guts_rcw_rmw(override.offset,
+			       override.val << __ffs(override.mask),
+			       override.mask);
+	if (err)
+		pr_err("RCW override failed: %pe\n", ERR_PTR(err));
+
+out_unlock:
+	spin_unlock(&soc.rcwcr_lock);
+
+	return err;
+}
+EXPORT_SYMBOL_NS_GPL(fsl_guts_lane_set_mode, "FSL_GUTS");
+
 static u64 fsl_guts_get_soc_uid(const char *compat, unsigned int offset)
 {
 	struct device_node *np;
@@ -141,9 +395,188 @@ static u64 fsl_guts_get_soc_uid(const char *compat, unsigned int offset)
 	return uid;
 }
 
+static int ls1046a_serdes_get_rcw_override(int index, int lane,
+					   enum lynx_lane_mode lane_mode,
+					   struct fsl_soc_serdes_rcw_override *override)
+{
+	/* The RCW override procedure has to write to different registers
+	 * depending on the SerDes block index.
+	 */
+	switch (index) {
+	case 1:
+		override->offset = 4;
+		override->mask = LS1046A_RCWSR5_SRDS_PRTCL_S1(lane);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (lynx_lane_mode_uses_xgmii_mac(lane_mode))
+		override->val = LS1046A_SRDS_PRTCL_XFI;
+	else if (lynx_lane_mode_uses_gmii_mac(lane_mode))
+		override->val = LS1046A_SRDS_PRTCL_100BASEX_SGMII;
+	else
+		return -EINVAL;
+
+	return 0;
+}
+
+static int ls1088a_serdes_get_rcw_override(int index, int lane,
+					   enum lynx_lane_mode lane_mode,
+					   struct fsl_soc_serdes_rcw_override *override)
+{
+	/* The RCW override procedure has to write to different registers
+	 * depending on the SerDes block index.
+	 */
+	switch (index) {
+	case 1:
+		override->offset = 28;
+		override->mask = LS1088A_RCWSR29_SRDS_PRTCL_S1_LNn(lane);
+		break;
+	case 2:
+		override->offset = 29;
+		override->mask = LS1088A_RCWSR30_SRDS_PRTCL_S2_LNn(lane);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	if (lynx_lane_mode_uses_xgmii_mac(lane_mode))
+		override->val = LS1088A_SRDS_PRTCL_XFI;
+	else if (lynx_lane_mode_uses_gmii_mac(lane_mode))
+		override->val = LS1088A_SRDS_PRTCL_100BASEX_SGMII;
+	else
+		return -EINVAL;
+
+	return 0;
+}
+
+static const struct rcw_full_srds_proto *ls2088a_get_full_serdes1_proto(void)
+{
+	u32 rcwsr29 = fsl_guts_read(&soc.dcfg_ccsr->rcwsr[28]);
+	u32 srds_prtcl_s1 = FIELD_GET(LS2088A_RCWSR29_SRDS_PRTCL_S1, rcwsr29);
+
+	for (int i = 0; i < ARRAY_SIZE(ls2088a_rcw_full_srds1_protos); i++) {
+		const struct rcw_full_srds_proto *proto;
+
+		proto = &ls2088a_rcw_full_srds1_protos[i];
+		if (proto->srds_proto_val == srds_prtcl_s1)
+			return proto;
+	}
+
+	return NULL;
+}
+
+static int ls2088a_serdes_get_rcw_override(int index, int lane,
+					   enum lynx_lane_mode lane_mode,
+					   struct fsl_soc_serdes_rcw_override *override)
+{
+	switch (index) {
+	case 1:
+		override->offset = 29;
+		override->mask = LS2088A_RCWSR30_SRDS_CLK_SEL_XGMII_Ln_S1(lane);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	/* RCW override only supported if we know how to handle the initial
+	 * RCWSR29[SRDS_PRTCL_S1] value and turn it into an override.
+	 */
+	if (!ls2088a_get_full_serdes1_proto()) {
+		u32 rcwsr30 = fsl_guts_read(&soc.dcfg_ccsr->rcwsr[29]);
+
+		/* If a SerDes-level override is already in place (probably
+		 * left there by a previous boot stage), use it.
+		 */
+		if (!(rcwsr30 & LS2088A_RCWSR30_SRDS_CLK_EN_SEL_XGMII_S1))
+			return -EINVAL;
+	}
+
+	if (lynx_lane_mode_uses_xgmii_mac(lane_mode))
+		override->val = LS2088A_SRDS_CLK_SEL_XGMII;
+	else if (lynx_lane_mode_uses_gmii_mac(lane_mode))
+		override->val = LS2088A_SRDS_CLK_SEL_GMII;
+	else
+		return -EINVAL;
+
+	return 0;
+}
+
+static int ls2088a_serdes_init_rcwcr(int serdes_idx)
+{
+	const struct rcw_full_srds_proto *srds_prtcl_s1;
+	const struct fsl_soc_data *soc_data = soc.data;
+	u32 rcwsr30;
+	int i, err;
+
+	/* SerDes 2 supports only SGMII for networking. There should be
+	 * no need for RCW override
+	 */
+	if (serdes_idx != 1)
+		return -EINVAL;
+
+	/* SRDS_CLK_EN_SEL_XGMII_S1: SerDes Clock Enable Select XGMII Serdes 1:
+	 * Enables to select GMII/XGMII clock according to
+	 * SRDS_CLK_SEL_XGMII_Ln_S1.
+	 * If the GMII/XGMII select override has already been set, use it.
+	 * Otherwise, derive an initial override for all lanes based on the
+	 * full SerDes protocol table.
+	 */
+	rcwsr30 = fsl_guts_read(&soc.dcfg_ccsr->rcwsr[29]);
+	if (rcwsr30 & LS2088A_RCWSR30_SRDS_CLK_EN_SEL_XGMII_S1) {
+		pr_debug("RCWSR30 = 0x%x, using this.\n", rcwsr30);
+		return 0;
+	}
+
+	srds_prtcl_s1 = ls2088a_get_full_serdes1_proto();
+
+	rcwsr30 = LS2088A_RCWSR30_SRDS_CLK_EN_SEL_XGMII_S1;
+
+	/* We need to configure the initial state of all lanes for
+	 * the SerDes block #1
+	 */
+	for_each_set_bit(i, &srds_prtcl_s1->xgmii_lanes, soc_data->num_serdes_lanes)
+		rcwsr30 |= LS2088A_RCWSR30_SRDS_CLK_SEL_XGMII_Ln_S1(i);
+
+	pr_debug("Setting initial RCWSR30 = 0x%x based on SRDS_PRTCL_S1 = 0x%x\n",
+		 rcwsr30, srds_prtcl_s1->srds_proto_val);
+
+	err = fsl_guts_rcw_rmw(29, rcwsr30,
+			       LS2088A_RCWSR30_SRDS_CLK_EN_SEL_XGMII_S1 |
+			       LS2088A_RCWSR30_SRDS_CLK_SEL_MSK);
+	if (err) {
+		pr_err("Setting up initial RCWCR failed: %pe\n", ERR_PTR(err));
+		return err;
+	}
+
+	return 0;
+}
+
+static const struct fsl_soc_data ls1088a_data = {
+	.serdes_get_rcw_override = ls1088a_serdes_get_rcw_override,
+	.num_serdes_blocks = 2,
+	.num_serdes_lanes = 4,
+};
+
+static const struct fsl_soc_data ls1046a_data = {
+	.serdes_get_rcw_override = ls1046a_serdes_get_rcw_override,
+	.num_serdes_blocks = 2,
+	.num_serdes_lanes = 4,
+};
+
+static const struct fsl_soc_data ls2088a_data = {
+	.serdes_get_rcw_override = ls2088a_serdes_get_rcw_override,
+	.serdes_init_rcwcr = ls2088a_serdes_init_rcwcr,
+	.num_serdes_blocks = 2,
+	.num_serdes_lanes = 8,
+};
+
 static const struct fsl_soc_data ls1028a_data = {
 	.sfp_compat = "fsl,ls1028a-sfp",
 	.uid_offset = 0x21c,
+	.num_serdes_blocks = 1,
+	.num_serdes_lanes = 4,
 };
 
 /*
@@ -169,10 +602,10 @@ static const struct of_device_id fsl_guts_of_match[] = {
 	{ .compatible = "fsl,mpc8572-guts", },
 	{ .compatible = "fsl,ls1021a-dcfg", },
 	{ .compatible = "fsl,ls1043a-dcfg", },
-	{ .compatible = "fsl,ls2080a-dcfg", },
-	{ .compatible = "fsl,ls1088a-dcfg", },
+	{ .compatible = "fsl,ls2080a-dcfg", .data = &ls2088a_data},
+	{ .compatible = "fsl,ls1088a-dcfg", .data = &ls1088a_data},
 	{ .compatible = "fsl,ls1012a-dcfg", },
-	{ .compatible = "fsl,ls1046a-dcfg", },
+	{ .compatible = "fsl,ls1046a-dcfg", .data = &ls1046a_data},
 	{ .compatible = "fsl,lx2160a-dcfg", },
 	{ .compatible = "fsl,ls1028a-dcfg", .data = &ls1028a_data},
 	{}
@@ -180,68 +613,73 @@ static const struct of_device_id fsl_guts_of_match[] = {
 
 static int __init fsl_guts_init(void)
 {
-	struct soc_device_attribute *soc_dev_attr;
+	struct soc_device_attribute *soc_dev_attr = NULL;
 	static struct soc_device *soc_dev;
 	const struct fsl_soc_die_attr *soc_die;
-	const struct fsl_soc_data *soc_data;
 	const struct of_device_id *match;
-	struct ccsr_guts __iomem *regs;
 	struct device_node *np;
-	bool little_endian;
 	u64 soc_uid = 0;
-	u32 svr;
 	int ret;
 
+	spin_lock_init(&soc.rcwcr_lock);
+
 	np = of_find_matching_node_and_match(NULL, fsl_guts_of_match, &match);
 	if (!np)
 		return 0;
-	soc_data = match->data;
+	soc.data = match->data;
 
-	regs = of_iomap(np, 0);
-	if (!regs) {
+	soc.dcfg_ccsr = of_iomap(np, DCFG_CCSR);
+	if (!soc.dcfg_ccsr) {
 		of_node_put(np);
-		return -ENOMEM;
+		ret = -ENOMEM;
+		goto err_clear_soc_data;
 	}
+	/* DCFG_DCSR is optional */
+	soc.dcfg_dcsr = of_iomap(np, DCFG_DCSR);
 
-	little_endian = of_property_read_bool(np, "little-endian");
-	if (little_endian)
-		svr = ioread32(&regs->svr);
-	else
-		svr = ioread32be(&regs->svr);
-	iounmap(regs);
+	soc.little_endian = of_property_read_bool(np, "little-endian");
+	soc.svr = fsl_guts_read(&soc.dcfg_ccsr->svr);
 	of_node_put(np);
 
 	/* Register soc device */
 	soc_dev_attr = kzalloc_obj(*soc_dev_attr);
-	if (!soc_dev_attr)
-		return -ENOMEM;
+	if (!soc_dev_attr) {
+		ret = -ENOMEM;
+		goto err_unmap_dcfg_ccsr_dcsr;
+	}
 
 	ret = soc_attr_read_machine(soc_dev_attr);
 	if (ret)
 		of_machine_read_compatible(&soc_dev_attr->machine, 0);
 
-	soc_die = fsl_soc_die_match(svr, fsl_soc_die);
+	soc_die = fsl_soc_die_match(soc.svr, fsl_soc_die);
 	if (soc_die) {
 		soc_dev_attr->family = kasprintf(GFP_KERNEL, "QorIQ %s",
 						 soc_die->die);
 	} else {
 		soc_dev_attr->family = kasprintf(GFP_KERNEL, "QorIQ");
 	}
-	if (!soc_dev_attr->family)
-		goto err_nomem;
+	if (!soc_dev_attr->family) {
+		ret = -ENOMEM;
+		goto err_free_soc_dev_attr;
+	}
 
-	soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "svr:0x%08x", svr);
-	if (!soc_dev_attr->soc_id)
-		goto err_nomem;
+	soc_dev_attr->soc_id = kasprintf(GFP_KERNEL, "svr:0x%08x", soc.svr);
+	if (!soc_dev_attr->soc_id) {
+		ret = -ENOMEM;
+		goto err_free_family;
+	}
 
 	soc_dev_attr->revision = kasprintf(GFP_KERNEL, "%d.%d",
-					   (svr >>  4) & 0xf, svr & 0xf);
-	if (!soc_dev_attr->revision)
-		goto err_nomem;
+					   (soc.svr >>  4) & 0xf, soc.svr & 0xf);
+	if (!soc_dev_attr->revision) {
+		ret = -ENOMEM;
+		goto err_free_soc_id;
+	}
 
-	if (soc_data)
-		soc_uid = fsl_guts_get_soc_uid(soc_data->sfp_compat,
-					       soc_data->uid_offset);
+	if (soc.data)
+		soc_uid = fsl_guts_get_soc_uid(soc.data->sfp_compat,
+					       soc.data->uid_offset);
 	if (soc_uid)
 		soc_dev_attr->serial_number = kasprintf(GFP_KERNEL, "%016llX",
 							soc_uid);
@@ -249,7 +687,7 @@ static int __init fsl_guts_init(void)
 	soc_dev = soc_device_register(soc_dev_attr);
 	if (IS_ERR(soc_dev)) {
 		ret = PTR_ERR(soc_dev);
-		goto err;
+		goto err_free_serial_number;
 	}
 
 	pr_info("Machine: %s\n", soc_dev_attr->machine);
@@ -259,14 +697,24 @@ static int __init fsl_guts_init(void)
 
 	return 0;
 
-err_nomem:
-	ret = -ENOMEM;
-err:
-	kfree(soc_dev_attr->family);
-	kfree(soc_dev_attr->soc_id);
-	kfree(soc_dev_attr->revision);
+err_free_serial_number:
 	kfree(soc_dev_attr->serial_number);
+	kfree(soc_dev_attr->revision);
+err_free_soc_id:
+	kfree(soc_dev_attr->soc_id);
+err_free_family:
+	kfree(soc_dev_attr->family);
+err_free_soc_dev_attr:
 	kfree(soc_dev_attr);
+err_unmap_dcfg_ccsr_dcsr:
+	if (soc.dcfg_dcsr) {
+		iounmap(soc.dcfg_dcsr);
+		soc.dcfg_dcsr = NULL;
+	}
+	iounmap(soc.dcfg_ccsr);
+	soc.dcfg_ccsr = NULL;
+err_clear_soc_data:
+	soc.data = NULL;
 
 	return ret;
 }
diff --git a/drivers/soc/fsl/qe/Kconfig b/drivers/soc/fsl/qe/Kconfig
index eb03f42ab978..87cd1662e168 100644
--- a/drivers/soc/fsl/qe/Kconfig
+++ b/drivers/soc/fsl/qe/Kconfig
@@ -67,3 +67,12 @@ config QE_USB
 	default y if USB_FSL_QE
 	help
 	  QE USB Controller support
+
+config QE_GPIO
+	bool "QE GPIO support"
+	depends on QUICC_ENGINE
+	select GENERIC_IRQ_CHIP
+	select GPIOLIB
+	help
+	  Say Y here if you're going to use hardware that connects to the
+	  QE GPIOs.
diff --git a/drivers/soc/fsl/qe/gpio.c b/drivers/soc/fsl/qe/gpio.c
index 66828f2a3577..5cd59cfbf22f 100644
--- a/drivers/soc/fsl/qe/gpio.c
+++ b/drivers/soc/fsl/qe/gpio.c
@@ -16,6 +16,7 @@
 #include <linux/gpio/driver.h>
 #include <linux/slab.h>
 #include <linux/export.h>
+#include <linux/of_irq.h>
 #include <linux/platform_device.h>
 
 #include <soc/fsl/qe/qe.h>
@@ -23,6 +24,7 @@
 #define PIN_MASK(gpio) (1UL << (QE_PIO_PINS - 1 - (gpio)))
 
 struct qe_gpio_chip {
+	struct device_node *np;
 	struct gpio_chip gc;
 	void __iomem *regs;
 	spinlock_t lock;
@@ -135,6 +137,53 @@ static int qe_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val)
 	return 0;
 }
 
+static int qe_gpio_get_direction(struct gpio_chip *gc, unsigned int gpio)
+{
+	struct qe_gpio_chip *qe_gc = gpiochip_get_data(gc);
+	struct qe_pio_regs __iomem *regs = qe_gc->regs;
+	unsigned long flags;
+	u32 val, mask;
+
+	spin_lock_irqsave(&qe_gc->lock, flags);
+
+	if (gpio < QE_PIO_PINS / 2)
+		val = ioread32be(&regs->cpdir1);
+	else
+		val = ioread32be(&regs->cpdir2);
+
+	spin_unlock_irqrestore(&qe_gc->lock, flags);
+
+	mask = (u32)QE_PIO_DIR_OUT << (QE_PIO_PINS - 2 - (gpio % (QE_PIO_PINS / 2)) * 2);
+
+	if (val & mask)
+		return GPIO_LINE_DIRECTION_OUT;
+	else
+		return GPIO_LINE_DIRECTION_IN;
+}
+
+static int qe_gpio_to_irq(struct gpio_chip *gc, unsigned int gpio)
+{
+	struct qe_gpio_chip *qe_gc = gpiochip_get_data(gc);
+	struct of_phandle_args oirq;
+	struct irq_domain *domain;
+	int ret;
+
+	oirq.np = qe_gc->np;
+	oirq.args_count = 2;
+	oirq.args[0] = gpio;
+	oirq.args[1] = 0;
+
+	ret = of_irq_parse_raw(NULL, &oirq);
+	if (ret)
+		return ret;
+
+	domain = irq_find_host(oirq.np);
+	if (!domain)
+		return -EPROBE_DEFER;
+
+	return irq_create_of_mapping(&oirq);
+}
+
 struct qe_pin {
 	/*
 	 * The qe_gpio_chip name is unfortunate, we should change that to
@@ -299,7 +348,7 @@ static int qe_gpio_probe(struct platform_device *ofdev)
 	qe_gc = devm_kzalloc(dev, sizeof(*qe_gc), GFP_KERNEL);
 	if (!qe_gc)
 		return -ENOMEM;
-
+	qe_gc->np = np;
 	spin_lock_init(&qe_gc->lock);
 
 	gc = &qe_gc->gc;
@@ -308,9 +357,11 @@ static int qe_gpio_probe(struct platform_device *ofdev)
 	gc->ngpio = QE_PIO_PINS;
 	gc->direction_input = qe_gpio_dir_in;
 	gc->direction_output = qe_gpio_dir_out;
+	gc->get_direction = qe_gpio_get_direction;
 	gc->get = qe_gpio_get;
 	gc->set = qe_gpio_set;
 	gc->set_multiple = qe_gpio_set_multiple;
+	gc->to_irq = qe_gpio_to_irq;
 	gc->parent = dev;
 	gc->owner = THIS_MODULE;
 
diff --git a/drivers/soc/fsl/qe/qe_io.c b/drivers/soc/fsl/qe/qe_io.c
index a5e2d0e5ab51..150913fce981 100644
--- a/drivers/soc/fsl/qe/qe_io.c
+++ b/drivers/soc/fsl/qe/qe_io.c
@@ -15,6 +15,7 @@
 #include <linux/errno.h>
 #include <linux/module.h>
 #include <linux/ioport.h>
+#include <linux/of_platform.h>
 
 #include <asm/io.h>
 #include <soc/fsl/qe/qe.h>
@@ -184,3 +185,17 @@ int par_io_of_config(struct device_node *np)
 	return 0;
 }
 EXPORT_SYMBOL(par_io_of_config);
+
+static int __init par_io_populate(void)
+{
+	struct device_node *np = of_find_node_by_type(NULL, "par_io");
+
+	if (!np)
+		return 0;
+
+	of_platform_default_populate(np, NULL, NULL);
+	of_node_put(np);
+
+	return 0;
+}
+arch_initcall(par_io_populate);
diff --git a/drivers/soc/fsl/qe/qe_ports_ic.c b/drivers/soc/fsl/qe/qe_ports_ic.c
index 9b0bba64e91e..7375f92f528b 100644
--- a/drivers/soc/fsl/qe/qe_ports_ic.c
+++ b/drivers/soc/fsl/qe/qe_ports_ic.c
@@ -5,7 +5,9 @@
  * Copyright (c) 2025 Christophe Leroy CS GROUP France (christophe.leroy@csgroup.eu)
  */
 
+#include <linux/bitops.h>
 #include <linux/irq.h>
+#include <linux/irqchip/chained_irq.h>
 #include <linux/irqdomain.h>
 #include <linux/platform_device.h>
 
@@ -16,116 +18,158 @@
 
 struct qepic_data {
 	void __iomem *reg;
-	struct irq_domain *host;
-	int irq;
+	int parent_irq;
 };
 
 static void qepic_mask(struct irq_data *d)
 {
-	struct qepic_data *data = irq_data_get_irq_chip_data(d);
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+	u32 val;
 
-	clrbits32(data->reg + CEPIMR, 1 << (31 - irqd_to_hwirq(d)));
+	guard(raw_spinlock)(&gc->lock);
+
+	val = ioread32be(gc->reg_base + CEPIMR);
+	iowrite32be(val & ~d->mask, gc->reg_base + CEPIMR);
 }
 
 static void qepic_unmask(struct irq_data *d)
 {
-	struct qepic_data *data = irq_data_get_irq_chip_data(d);
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+	u32 val;
 
-	setbits32(data->reg + CEPIMR, 1 << (31 - irqd_to_hwirq(d)));
+	guard(raw_spinlock)(&gc->lock);
+
+	val = ioread32be(gc->reg_base + CEPIMR);
+	iowrite32be(val | d->mask, gc->reg_base + CEPIMR);
 }
 
 static void qepic_end(struct irq_data *d)
 {
-	struct qepic_data *data = irq_data_get_irq_chip_data(d);
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
 
-	out_be32(data->reg + CEPIER, 1 << (31 - irqd_to_hwirq(d)));
+	iowrite32be(d->mask, gc->reg_base + CEPIER);
+}
+
+static void qepic_calc_mask(struct irq_data *d)
+{
+	d->mask = 1 << (31 - irqd_to_hwirq(d));
 }
 
 static int qepic_set_type(struct irq_data *d, unsigned int flow_type)
 {
-	struct qepic_data *data = irq_data_get_irq_chip_data(d);
-	unsigned int vec = (unsigned int)irqd_to_hwirq(d);
+	struct irq_chip_generic *gc = irq_data_get_irq_chip_data(d);
+	u32 val;
 
+	guard(raw_spinlock)(&gc->lock);
+
+	val = ioread32be(gc->reg_base + CEPICR);
 	switch (flow_type & IRQ_TYPE_SENSE_MASK) {
 	case IRQ_TYPE_EDGE_FALLING:
-		setbits32(data->reg + CEPICR, 1 << (31 - vec));
+		iowrite32be(val | d->mask, gc->reg_base + CEPICR);
 		return 0;
 	case IRQ_TYPE_EDGE_BOTH:
 	case IRQ_TYPE_NONE:
-		clrbits32(data->reg + CEPICR, 1 << (31 - vec));
+		iowrite32be(val & ~d->mask, gc->reg_base + CEPICR);
 		return 0;
 	}
 	return -EINVAL;
 }
 
-static struct irq_chip qepic = {
-	.name = "QEPIC",
-	.irq_mask = qepic_mask,
-	.irq_unmask = qepic_unmask,
-	.irq_eoi = qepic_end,
-	.irq_set_type = qepic_set_type,
-};
-
-static int qepic_get_irq(struct irq_desc *desc)
-{
-	struct qepic_data *data = irq_desc_get_handler_data(desc);
-	u32 event = in_be32(data->reg + CEPIER);
-
-	if (!event)
-		return -1;
-
-	return irq_find_mapping(data->host, 32 - ffs(event));
-}
-
 static void qepic_cascade(struct irq_desc *desc)
 {
-	generic_handle_irq(qepic_get_irq(desc));
+	struct irq_domain *domain = irq_desc_get_handler_data(desc);
+	struct irq_chip_generic *gc = irq_get_domain_generic_chip(domain, 0);
+	struct irq_chip *chip = irq_desc_get_chip(desc);
+	unsigned long event, bit;
+
+	chained_irq_enter(chip, desc);
+
+	event = ioread32be(gc->reg_base + CEPIER);
+	if (!event) {
+		handle_bad_irq(desc);
+		goto out;
+	}
+
+	for_each_set_bit(bit, &event, 32)
+		generic_handle_domain_irq(domain, 31 - bit);
+
+out:
+	chained_irq_exit(chip, desc);
 }
 
-static int qepic_host_map(struct irq_domain *h, unsigned int virq, irq_hw_number_t hw)
+static int qepic_chip_init(struct irq_chip_generic *gc)
 {
-	irq_set_chip_data(virq, h->host_data);
-	irq_set_chip_and_handler(virq, &qepic, handle_fasteoi_irq);
+	struct qepic_data *data = gc->domain->host_data;
+	struct irq_chip_type *ct = gc->chip_types;
+
+	gc->reg_base = data->reg;
+
+	ct->chip.irq_mask = qepic_mask;
+	ct->chip.irq_unmask = qepic_unmask;
+	ct->chip.irq_eoi = qepic_end;
+	ct->chip.irq_set_type = qepic_set_type;
+	ct->chip.irq_calc_mask = qepic_calc_mask;
+
 	return 0;
 }
 
-static const struct irq_domain_ops qepic_host_ops = {
-	.map = qepic_host_map,
-};
-
-static void qepic_remove(void *res)
+static int qepic_domain_init(struct irq_domain *d)
 {
-	struct qepic_data *data = res;
+	struct qepic_data *data = d->host_data;
 
-	irq_set_chained_handler_and_data(data->irq, NULL, NULL);
-	irq_domain_remove(data->host);
+	irq_set_chained_handler_and_data(data->parent_irq, qepic_cascade, d);
+
+	return 0;
+}
+
+static void qepic_domain_exit(struct irq_domain *d)
+{
+	struct qepic_data *data = d->host_data;
+
+	irq_set_chained_handler_and_data(data->parent_irq, NULL, NULL);
 }
 
 static int qepic_probe(struct platform_device *pdev)
 {
+	struct irq_domain_chip_generic_info dgc_info = {
+		.name = "QEPIC",
+		.handler = handle_fasteoi_irq,
+		.irqs_per_chip = 32,
+		.num_ct = 1,
+		.init = qepic_chip_init,
+	};
+	struct irq_domain_info d_info = {
+		.fwnode = of_fwnode_handle(pdev->dev.of_node),
+		.domain_flags = IRQ_DOMAIN_FLAG_DESTROY_GC,
+		.size = 32,
+		.hwirq_max = 32,
+		.ops = &irq_generic_chip_ops,
+		.dgc_info = &dgc_info,
+		.init = qepic_domain_init,
+		.exit = qepic_domain_exit,
+	};
 	struct device *dev = &pdev->dev;
+	struct irq_domain *domain;
 	struct qepic_data *data;
 
 	data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
 	if (!data)
 		return -ENOMEM;
+	d_info.host_data = data;
 
 	data->reg = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(data->reg))
 		return PTR_ERR(data->reg);
 
-	data->irq = platform_get_irq(pdev, 0);
-	if (data->irq < 0)
-		return data->irq;
+	data->parent_irq = platform_get_irq(pdev, 0);
+	if (data->parent_irq < 0)
+		return data->parent_irq;
 
-	data->host = irq_domain_create_linear(dev_fwnode(dev), 32, &qepic_host_ops, data);
-	if (!data->host)
-		return -ENODEV;
-
-	irq_set_chained_handler_and_data(data->irq, qepic_cascade, data);
-
-	return devm_add_action_or_reset(dev, qepic_remove, data);
+	domain = devm_irq_domain_instantiate(dev, &d_info);
+	if (IS_ERR(domain))
+		return PTR_ERR(domain);
 
+	return 0;
 }
 
 static const struct of_device_id qepic_match[] = {
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index b3b1ec696bf5..10cff12a3f31 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -611,6 +611,7 @@ config USB_UHCI_ASPEED
 config USB_FHCI_HCD
 	tristate "Freescale QE USB Host Controller support"
 	depends on QE_GPIO && QUICC_ENGINE
+	depends on PPC
 	select FSL_GTM
 	select QE_USB
 	help
diff --git a/include/linux/fsl/guts.h b/include/linux/fsl/guts.h
index fdb55ca47a4f..8d5ffb985fee 100644
--- a/include/linux/fsl/guts.h
+++ b/include/linux/fsl/guts.h
@@ -13,6 +13,7 @@
 
 #include <linux/types.h>
 #include <linux/io.h>
+#include <soc/fsl/phy-fsl-lynx.h>
 
 /*
  * Global Utility Registers.
@@ -91,9 +92,15 @@ struct ccsr_guts {
 	u32	iovselsr;	/* 0x.00c0 - I/O voltage select status register
 					     Called 'elbcvselcr' on 86xx SOCs */
 	u8	res0c4[0x100 - 0xc4];
-	u32	rcwsr[16];	/* 0x.0100 - Reset Control Word Status registers
-					     There are 16 registers */
-	u8	res140[0x224 - 0x140];
+	/* 0x.0100 - read-only Reset Configuration Word Status registers in
+	 * CCSR, or write-only Reset Configuration Word Control registers in
+	 * DCSR. In both cases there are 32 registers.
+	 */
+	union {
+		u32	rcwsr[32];
+		u32	rcwcr[32];
+	};
+	u8	res180[0x224 - 0x180];
 	u32	iodelay1;	/* 0x.0224 - IO delay control register 1 */
 	u32	iodelay2;	/* 0x.0228 - IO delay control register 2 */
 	u8	res22c[0x604 - 0x22c];
@@ -131,6 +138,11 @@ struct ccsr_guts {
 	u32	srds2cr1;	/* 0x.0f44 - SerDes2 Control Register 0 */
 } __attribute__ ((packed));
 
+int fsl_guts_lane_validate(int serdes_idx, int lane,
+			   enum lynx_lane_mode lane_mode);
+int fsl_guts_lane_set_mode(int serdes_idx, int lane,
+			   enum lynx_lane_mode lane_mode);
+
 /* Alternate function signal multiplex control */
 #define MPC85xx_PMUXCR_QE(x) (0x8000 >> (x))
 
diff --git a/include/soc/fsl/dpaa2-fd.h b/include/soc/fsl/dpaa2-fd.h
index bae490cac0aa..0ca0766b2b0d 100644
--- a/include/soc/fsl/dpaa2-fd.h
+++ b/include/soc/fsl/dpaa2-fd.h
@@ -25,14 +25,15 @@
 
 /**
  * struct dpaa2_fd - Struct describing FDs
- * @words:         for easier/faster copying the whole FD structure
- * @addr:          address in the FD
- * @len:           length in the FD
- * @bpid:          buffer pool ID
- * @format_offset: format, offset, and short-length fields
- * @frc:           frame context
- * @ctrl:          control bits...including dd, sc, va, err, etc
- * @flc:           flow context address
+ * @words:                for easier/faster copying the whole FD structure
+ * @simple:               struct for the FD fields
+ * @simple.addr:          address in the FD
+ * @simple.len:           length in the FD
+ * @simple.bpid:          buffer pool ID
+ * @simple.format_offset: format, offset, and short-length fields
+ * @simple.frc:           frame context
+ * @simple.ctrl:          control bits...including dd, sc, va, err, etc
+ * @simple.flc:           flow context address
  *
  * This structure represents the basic Frame Descriptor used in the system.
  */
@@ -497,7 +498,7 @@ static inline void dpaa2_fl_set_addr(struct dpaa2_fl_entry *fle,
  * dpaa2_fl_get_frc() - Get the frame context in the FLE
  * @fle: the given frame list entry
  *
- * Return the frame context field in the frame lsit entry.
+ * Return the frame context field in the frame list entry.
  */
 static inline u32 dpaa2_fl_get_frc(const struct dpaa2_fl_entry *fle)
 {
diff --git a/include/soc/fsl/dpaa2-io.h b/include/soc/fsl/dpaa2-io.h
index 4bf62de2e00e..2a748fafa5b7 100644
--- a/include/soc/fsl/dpaa2-io.h
+++ b/include/soc/fsl/dpaa2-io.h
@@ -22,7 +22,7 @@ struct device;
  * DOC: DPIO Service
  *
  * The DPIO service provides APIs for users to interact with the datapath
- * by enqueueing and dequeing frame descriptors.
+ * by enqueueing and dequeueing frame descriptors.
  *
  * The following set of APIs can be used to enqueue and dequeue frames
  * as well as producing notification callbacks when data is available
@@ -33,7 +33,7 @@ struct device;
 
 /**
  * struct dpaa2_io_desc - The DPIO descriptor
- * @receives_notifications: Use notificaton mode. Non-zero if the DPIO
+ * @receives_notifications: Use notification mode. Non-zero if the DPIO
  *                  has a channel.
  * @has_8prio:      Set to non-zero for channel with 8 priority WQs.  Ignored
  *                  unless receives_notification is TRUE.