summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorBjorn Helgaas <bhelgaas@google.com>2025-12-03 14:18:42 -0600
committerBjorn Helgaas <bhelgaas@google.com>2025-12-03 14:18:42 -0600
commitdfb77c81a68309182a458cb76c72fedfe8834482 (patch)
treefddad14420cfd4bbbefe9c0399f64767cb44bc75
parentc934541253d074c6aaa1ad9ce233e5c160ac43eb (diff)
parentde45401e27bcecbc56ff2f02edc00a37beb1501b (diff)
Merge branch 'pci/controller/s32g'
- Add NXP S32G host controller DT binding and driver (Vincent Guittot) * pci/controller/s32g: MAINTAINERS: Add NXP S32G PCIe controller driver maintainer PCI: s32g: Add NXP S32G PCIe controller driver (RC) PCI: dwc: Add register and bitfield definitions dt-bindings: PCI: s32g: Add NXP S32G PCIe controller
-rw-r--r--Documentation/devicetree/bindings/pci/nxp,s32g-pcie.yaml130
-rw-r--r--MAINTAINERS9
-rw-r--r--drivers/pci/controller/dwc/Kconfig10
-rw-r--r--drivers/pci/controller/dwc/Makefile1
-rw-r--r--drivers/pci/controller/dwc/pcie-designware.h8
-rw-r--r--drivers/pci/controller/dwc/pcie-nxp-s32g.c406
6 files changed, 564 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/nxp,s32g-pcie.yaml b/Documentation/devicetree/bindings/pci/nxp,s32g-pcie.yaml
new file mode 100644
index 000000000000..66a050028278
--- /dev/null
+++ b/Documentation/devicetree/bindings/pci/nxp,s32g-pcie.yaml
@@ -0,0 +1,130 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pci/nxp,s32g-pcie.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP S32G2xxx/S32G3xxx PCIe Root Complex controller
+
+maintainers:
+ - Bogdan Hamciuc <bogdan.hamciuc@nxp.com>
+ - Ionut Vicovan <ionut.vicovan@nxp.com>
+
+description:
+ This PCIe controller is based on the Synopsys DesignWare PCIe IP.
+ The S32G SoC family has two PCIe controllers, which can be configured as
+ either Root Complex or Endpoint.
+
+properties:
+ compatible:
+ oneOf:
+ - enum:
+ - nxp,s32g2-pcie
+ - items:
+ - const: nxp,s32g3-pcie
+ - const: nxp,s32g2-pcie
+
+ reg:
+ maxItems: 6
+
+ reg-names:
+ items:
+ - const: dbi
+ - const: dbi2
+ - const: atu
+ - const: dma
+ - const: ctrl
+ - const: config
+
+ interrupts:
+ minItems: 1
+ maxItems: 2
+
+ interrupt-names:
+ items:
+ - const: msi
+ - const: dma
+ minItems: 1
+
+ pcie@0:
+ description:
+ Describe the S32G Root Port.
+ type: object
+ $ref: /schemas/pci/pci-pci-bridge.yaml#
+
+ properties:
+ reg:
+ maxItems: 1
+
+ phys:
+ maxItems: 1
+
+ required:
+ - reg
+ - phys
+
+ unevaluatedProperties: false
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - interrupts
+ - interrupt-names
+ - ranges
+ - pcie@0
+
+allOf:
+ - $ref: /schemas/pci/snps,dw-pcie.yaml#
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ #include <dt-bindings/phy/phy.h>
+
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ pcie@40400000 {
+ compatible = "nxp,s32g3-pcie", "nxp,s32g2-pcie";
+ reg = <0x00 0x40400000 0x0 0x00001000>, /* dbi registers */
+ <0x00 0x40420000 0x0 0x00001000>, /* dbi2 registers */
+ <0x00 0x40460000 0x0 0x00001000>, /* atu registers */
+ <0x00 0x40470000 0x0 0x00001000>, /* dma registers */
+ <0x00 0x40481000 0x0 0x000000f8>, /* ctrl registers */
+ <0x5f 0xffffe000 0x0 0x00002000>; /* config space */
+ reg-names = "dbi", "dbi2", "atu", "dma", "ctrl", "config";
+ dma-coherent;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ device_type = "pci";
+ ranges =
+ <0x01000000 0x0 0x00000000 0x5f 0xfffe0000 0x0 0x00010000>,
+ <0x02000000 0x0 0x00000000 0x58 0x00000000 0x0 0x80000000>,
+ <0x02000000 0x1 0x00000000 0x59 0x00000000 0x6 0xfffe0000>;
+
+ bus-range = <0x0 0xff>;
+ interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "msi", "dma";
+ #interrupt-cells = <1>;
+ interrupt-map-mask = <0 0 0 0x7>;
+ interrupt-map = <0 0 0 1 &gic 0 0 GIC_SPI 128 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 2 &gic 0 0 GIC_SPI 129 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 3 &gic 0 0 GIC_SPI 130 IRQ_TYPE_LEVEL_HIGH>,
+ <0 0 0 4 &gic 0 0 GIC_SPI 131 IRQ_TYPE_LEVEL_HIGH>;
+
+ pcie@0 {
+ reg = <0x0 0x0 0x0 0x0 0x0>;
+ #address-cells = <3>;
+ #size-cells = <2>;
+ ranges;
+
+ device_type = "pci";
+ phys = <&serdes0 PHY_TYPE_PCIE 0 0>;
+ };
+ };
+ };
diff --git a/MAINTAINERS b/MAINTAINERS
index b177960aad7f..61702ea974bb 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3132,6 +3132,15 @@ F: arch/arm64/boot/dts/freescale/s32g*.dts*
F: drivers/pinctrl/nxp/
F: drivers/rtc/rtc-s32g.c
+ARM/NXP S32G PCIE CONTROLLER DRIVER
+M: Ciprian Marian Costea <ciprianmarian.costea@oss.nxp.com>
+R: NXP S32 Linux Team <s32@nxp.com>
+L: imx@lists.linux.dev
+L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S: Maintained
+F: Documentation/devicetree/bindings/pci/nxp,s32g-pcie.yaml
+F: drivers/pci/controller/dwc/pcie-nxp-s32g*
+
ARM/NXP S32G/S32R DWMAC ETHERNET DRIVER
M: Jan Petrous <jan.petrous@oss.nxp.com>
R: s32@nxp.com
diff --git a/drivers/pci/controller/dwc/Kconfig b/drivers/pci/controller/dwc/Kconfig
index c5bc2f0b1f39..5a0be98e1377 100644
--- a/drivers/pci/controller/dwc/Kconfig
+++ b/drivers/pci/controller/dwc/Kconfig
@@ -256,6 +256,16 @@ config PCIE_TEGRA194_EP
in order to enable device-specific features PCIE_TEGRA194_EP must be
selected. This uses the DesignWare core.
+config PCIE_NXP_S32G
+ bool "NXP S32G PCIe controller (host mode)"
+ depends on ARCH_S32 || COMPILE_TEST
+ select PCIE_DW_HOST
+ help
+ Enable support for the PCIe controller in NXP S32G based boards to
+ work in Host mode. The controller is based on DesignWare IP and
+ can work either as RC or EP. In order to enable host-specific
+ features PCIE_NXP_S32G must be selected.
+
config PCIE_DW_PLAT
bool
diff --git a/drivers/pci/controller/dwc/Makefile b/drivers/pci/controller/dwc/Makefile
index 7c8de0067612..23e525e54702 100644
--- a/drivers/pci/controller/dwc/Makefile
+++ b/drivers/pci/controller/dwc/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_PCI_DRA7XX) += pci-dra7xx.o
obj-$(CONFIG_PCI_EXYNOS) += pci-exynos.o
obj-$(CONFIG_PCIE_FU740) += pcie-fu740.o
obj-$(CONFIG_PCI_IMX6) += pci-imx6.o
+obj-$(CONFIG_PCIE_NXP_S32G) += pcie-nxp-s32g.o
obj-$(CONFIG_PCIE_SPEAR13XX) += pcie-spear13xx.o
# ARM32 platforms use hook_fault_code() and cannot support loadable module.
obj-$(CONFIG_PCI_KEYSTONE) += pci-keystone.o
diff --git a/drivers/pci/controller/dwc/pcie-designware.h b/drivers/pci/controller/dwc/pcie-designware.h
index d3dc0cd8e7b5..da32bb5f936c 100644
--- a/drivers/pci/controller/dwc/pcie-designware.h
+++ b/drivers/pci/controller/dwc/pcie-designware.h
@@ -121,6 +121,7 @@
#define GEN3_RELATED_OFF 0x890
#define GEN3_RELATED_OFF_GEN3_ZRXDC_NONCOMPL BIT(0)
+#define GEN3_RELATED_OFF_EQ_PHASE_2_3 BIT(9)
#define GEN3_RELATED_OFF_RXEQ_RGRDLESS_RXTS BIT(13)
#define GEN3_RELATED_OFF_GEN3_EQ_DISABLE BIT(16)
#define GEN3_RELATED_OFF_RATE_SHADOW_SEL_SHIFT 24
@@ -138,6 +139,13 @@
#define GEN3_EQ_FMDC_MAX_PRE_CURSOR_DELTA GENMASK(13, 10)
#define GEN3_EQ_FMDC_MAX_POST_CURSOR_DELTA GENMASK(17, 14)
+#define COHERENCY_CONTROL_1_OFF 0x8E0
+#define CFG_MEMTYPE_BOUNDARY_LOW_ADDR_MASK GENMASK(31, 2)
+#define CFG_MEMTYPE_VALUE BIT(0)
+
+#define COHERENCY_CONTROL_2_OFF 0x8E4
+#define COHERENCY_CONTROL_3_OFF 0x8E8
+
#define PCIE_PORT_MULTI_LANE_CTRL 0x8C0
#define PORT_MLTI_UPCFG_SUPPORT BIT(7)
diff --git a/drivers/pci/controller/dwc/pcie-nxp-s32g.c b/drivers/pci/controller/dwc/pcie-nxp-s32g.c
new file mode 100644
index 000000000000..47745749f75c
--- /dev/null
+++ b/drivers/pci/controller/dwc/pcie-nxp-s32g.c
@@ -0,0 +1,406 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * PCIe host controller driver for NXP S32G SoCs
+ *
+ * Copyright 2019-2025 NXP
+ */
+
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/of_address.h>
+#include <linux/pci.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/sizes.h>
+#include <linux/types.h>
+
+#include "pcie-designware.h"
+
+/* PCIe controller Sub-System */
+
+/* PCIe controller 0 General Control 1 */
+#define PCIE_S32G_PE0_GEN_CTRL_1 0x50
+#define DEVICE_TYPE_MASK GENMASK(3, 0)
+#define SRIS_MODE BIT(8)
+
+/* PCIe controller 0 General Control 3 */
+#define PCIE_S32G_PE0_GEN_CTRL_3 0x58
+#define LTSSM_EN BIT(0)
+
+/* PCIe Controller 0 Interrupt Status */
+#define PCIE_S32G_PE0_INT_STS 0xE8
+#define HP_INT_STS BIT(6)
+
+/* Boundary between peripheral space and physical memory space */
+#define S32G_MEMORY_BOUNDARY_ADDR 0x80000000
+
+struct s32g_pcie_port {
+ struct list_head list;
+ struct phy *phy;
+};
+
+struct s32g_pcie {
+ struct dw_pcie pci;
+ void __iomem *ctrl_base;
+ struct list_head ports;
+};
+
+#define to_s32g_from_dw_pcie(x) \
+ container_of(x, struct s32g_pcie, pci)
+
+static void s32g_pcie_writel_ctrl(struct s32g_pcie *s32g_pp, u32 reg, u32 val)
+{
+ writel(val, s32g_pp->ctrl_base + reg);
+}
+
+static u32 s32g_pcie_readl_ctrl(struct s32g_pcie *s32g_pp, u32 reg)
+{
+ return readl(s32g_pp->ctrl_base + reg);
+}
+
+static void s32g_pcie_enable_ltssm(struct s32g_pcie *s32g_pp)
+{
+ u32 reg;
+
+ reg = s32g_pcie_readl_ctrl(s32g_pp, PCIE_S32G_PE0_GEN_CTRL_3);
+ reg |= LTSSM_EN;
+ s32g_pcie_writel_ctrl(s32g_pp, PCIE_S32G_PE0_GEN_CTRL_3, reg);
+}
+
+static void s32g_pcie_disable_ltssm(struct s32g_pcie *s32g_pp)
+{
+ u32 reg;
+
+ reg = s32g_pcie_readl_ctrl(s32g_pp, PCIE_S32G_PE0_GEN_CTRL_3);
+ reg &= ~LTSSM_EN;
+ s32g_pcie_writel_ctrl(s32g_pp, PCIE_S32G_PE0_GEN_CTRL_3, reg);
+}
+
+static int s32g_pcie_start_link(struct dw_pcie *pci)
+{
+ struct s32g_pcie *s32g_pp = to_s32g_from_dw_pcie(pci);
+
+ s32g_pcie_enable_ltssm(s32g_pp);
+
+ return 0;
+}
+
+static void s32g_pcie_stop_link(struct dw_pcie *pci)
+{
+ struct s32g_pcie *s32g_pp = to_s32g_from_dw_pcie(pci);
+
+ s32g_pcie_disable_ltssm(s32g_pp);
+}
+
+static struct dw_pcie_ops s32g_pcie_ops = {
+ .start_link = s32g_pcie_start_link,
+ .stop_link = s32g_pcie_stop_link,
+};
+
+/* Configure the AMBA AXI Coherency Extensions (ACE) interface */
+static void s32g_pcie_reset_mstr_ace(struct dw_pcie *pci)
+{
+ u32 ddr_base_low = lower_32_bits(S32G_MEMORY_BOUNDARY_ADDR);
+ u32 ddr_base_high = upper_32_bits(S32G_MEMORY_BOUNDARY_ADDR);
+
+ dw_pcie_dbi_ro_wr_en(pci);
+ dw_pcie_writel_dbi(pci, COHERENCY_CONTROL_3_OFF, 0x0);
+
+ /*
+ * Ncore is a cache-coherent interconnect module that enables the
+ * integration of heterogeneous coherent and non-coherent agents in
+ * the chip. Ncore transactions to peripheral should be non-coherent
+ * or it might drop them.
+ *
+ * One example where this is needed are PCIe MSIs, which use NoSnoop=0
+ * and might end up routed to Ncore. PCIe coherent traffic (e.g. MSIs)
+ * that targets peripheral space will be dropped by Ncore because
+ * peripherals on S32G are not coherent as slaves. We add a hard
+ * boundary in the PCIe controller coherency control registers to
+ * separate physical memory space from peripheral space.
+ *
+ * Define the start of DDR as seen by Linux as this boundary between
+ * "memory" and "peripherals", with peripherals being below.
+ */
+ dw_pcie_writel_dbi(pci, COHERENCY_CONTROL_1_OFF,
+ (ddr_base_low & CFG_MEMTYPE_BOUNDARY_LOW_ADDR_MASK));
+ dw_pcie_writel_dbi(pci, COHERENCY_CONTROL_2_OFF, ddr_base_high);
+ dw_pcie_dbi_ro_wr_dis(pci);
+}
+
+static int s32g_init_pcie_controller(struct dw_pcie_rp *pp)
+{
+ struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
+ struct s32g_pcie *s32g_pp = to_s32g_from_dw_pcie(pci);
+ u32 val;
+
+ /* Set RP mode */
+ val = s32g_pcie_readl_ctrl(s32g_pp, PCIE_S32G_PE0_GEN_CTRL_1);
+ val &= ~DEVICE_TYPE_MASK;
+ val |= FIELD_PREP(DEVICE_TYPE_MASK, PCI_EXP_TYPE_ROOT_PORT);
+
+ /* Use default CRNS */
+ val &= ~SRIS_MODE;
+
+ s32g_pcie_writel_ctrl(s32g_pp, PCIE_S32G_PE0_GEN_CTRL_1, val);
+
+ /*
+ * Make sure we use the coherency defaults (just in case the settings
+ * have been changed from their reset values)
+ */
+ s32g_pcie_reset_mstr_ace(pci);
+
+ dw_pcie_dbi_ro_wr_en(pci);
+
+ val = dw_pcie_readl_dbi(pci, PCIE_PORT_FORCE);
+ val |= PORT_FORCE_DO_DESKEW_FOR_SRIS;
+ dw_pcie_writel_dbi(pci, PCIE_PORT_FORCE, val);
+
+ val = dw_pcie_readl_dbi(pci, GEN3_RELATED_OFF);
+ val |= GEN3_RELATED_OFF_EQ_PHASE_2_3;
+ dw_pcie_writel_dbi(pci, GEN3_RELATED_OFF, val);
+
+ dw_pcie_dbi_ro_wr_dis(pci);
+
+ return 0;
+}
+
+static const struct dw_pcie_host_ops s32g_pcie_host_ops = {
+ .init = s32g_init_pcie_controller,
+};
+
+static int s32g_init_pcie_phy(struct s32g_pcie *s32g_pp)
+{
+ struct dw_pcie *pci = &s32g_pp->pci;
+ struct device *dev = pci->dev;
+ struct s32g_pcie_port *port, *tmp;
+ int ret;
+
+ list_for_each_entry(port, &s32g_pp->ports, list) {
+ ret = phy_init(port->phy);
+ if (ret) {
+ dev_err(dev, "Failed to init serdes PHY\n");
+ goto err_phy_revert;
+ }
+
+ ret = phy_set_mode_ext(port->phy, PHY_MODE_PCIE, 0);
+ if (ret) {
+ dev_err(dev, "Failed to set mode on serdes PHY\n");
+ goto err_phy_exit;
+ }
+
+ ret = phy_power_on(port->phy);
+ if (ret) {
+ dev_err(dev, "Failed to power on serdes PHY\n");
+ goto err_phy_exit;
+ }
+ }
+
+ return 0;
+
+err_phy_exit:
+ phy_exit(port->phy);
+
+err_phy_revert:
+ list_for_each_entry_continue_reverse(port, &s32g_pp->ports, list) {
+ phy_power_off(port->phy);
+ phy_exit(port->phy);
+ }
+
+ list_for_each_entry_safe(port, tmp, &s32g_pp->ports, list)
+ list_del(&port->list);
+
+ return ret;
+}
+
+static void s32g_deinit_pcie_phy(struct s32g_pcie *s32g_pp)
+{
+ struct s32g_pcie_port *port, *tmp;
+
+ list_for_each_entry_safe(port, tmp, &s32g_pp->ports, list) {
+ phy_power_off(port->phy);
+ phy_exit(port->phy);
+ list_del(&port->list);
+ }
+}
+
+static int s32g_pcie_init(struct device *dev, struct s32g_pcie *s32g_pp)
+{
+ s32g_pcie_disable_ltssm(s32g_pp);
+
+ return s32g_init_pcie_phy(s32g_pp);
+}
+
+static void s32g_pcie_deinit(struct s32g_pcie *s32g_pp)
+{
+ s32g_pcie_disable_ltssm(s32g_pp);
+
+ s32g_deinit_pcie_phy(s32g_pp);
+}
+
+static int s32g_pcie_parse_port(struct s32g_pcie *s32g_pp, struct device_node *node)
+{
+ struct device *dev = s32g_pp->pci.dev;
+ struct s32g_pcie_port *port;
+ int num_lanes;
+
+ port = devm_kzalloc(dev, sizeof(*port), GFP_KERNEL);
+ if (!port)
+ return -ENOMEM;
+
+ port->phy = devm_of_phy_get(dev, node, NULL);
+ if (IS_ERR(port->phy))
+ return dev_err_probe(dev, PTR_ERR(port->phy),
+ "Failed to get serdes PHY\n");
+
+ INIT_LIST_HEAD(&port->list);
+ list_add_tail(&port->list, &s32g_pp->ports);
+
+ /*
+ * The DWC core initialization code cannot yet parse the num-lanes
+ * attribute in the Root Port node. The S32G only supports one Root
+ * Port for now so its driver can parse the node and set the num_lanes
+ * field of struct dwc_pcie before calling dw_pcie_host_init().
+ */
+ if (!of_property_read_u32(node, "num-lanes", &num_lanes))
+ s32g_pp->pci.num_lanes = num_lanes;
+
+ return 0;
+}
+
+static int s32g_pcie_parse_ports(struct device *dev, struct s32g_pcie *s32g_pp)
+{
+ struct s32g_pcie_port *port, *tmp;
+ int ret = -ENOENT;
+
+ for_each_available_child_of_node_scoped(dev->of_node, of_port) {
+ if (!of_node_is_type(of_port, "pci"))
+ continue;
+
+ ret = s32g_pcie_parse_port(s32g_pp, of_port);
+ if (ret)
+ goto err_port;
+ }
+
+err_port:
+ list_for_each_entry_safe(port, tmp, &s32g_pp->ports, list)
+ list_del(&port->list);
+
+ return ret;
+}
+
+static int s32g_pcie_get_resources(struct platform_device *pdev,
+ struct s32g_pcie *s32g_pp)
+{
+ struct dw_pcie *pci = &s32g_pp->pci;
+ struct device *dev = &pdev->dev;
+ int ret;
+
+ pci->dev = dev;
+ pci->ops = &s32g_pcie_ops;
+
+ s32g_pp->ctrl_base = devm_platform_ioremap_resource_byname(pdev, "ctrl");
+ if (IS_ERR(s32g_pp->ctrl_base))
+ return PTR_ERR(s32g_pp->ctrl_base);
+
+ INIT_LIST_HEAD(&s32g_pp->ports);
+
+ ret = s32g_pcie_parse_ports(dev, s32g_pp);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "Failed to parse Root Port: %d\n", ret);
+
+ platform_set_drvdata(pdev, s32g_pp);
+
+ return 0;
+}
+
+static int s32g_pcie_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct s32g_pcie *s32g_pp;
+ struct dw_pcie_rp *pp;
+ int ret;
+
+ s32g_pp = devm_kzalloc(dev, sizeof(*s32g_pp), GFP_KERNEL);
+ if (!s32g_pp)
+ return -ENOMEM;
+
+ ret = s32g_pcie_get_resources(pdev, s32g_pp);
+ if (ret)
+ return ret;
+
+ pm_runtime_no_callbacks(dev);
+ devm_pm_runtime_enable(dev);
+ ret = pm_runtime_get_sync(dev);
+ if (ret < 0)
+ goto err_pm_runtime_put;
+
+ ret = s32g_pcie_init(dev, s32g_pp);
+ if (ret)
+ goto err_pm_runtime_put;
+
+ pp = &s32g_pp->pci.pp;
+ pp->ops = &s32g_pcie_host_ops;
+ pp->use_atu_msg = true;
+
+ ret = dw_pcie_host_init(pp);
+ if (ret)
+ goto err_pcie_deinit;
+
+ return 0;
+
+err_pcie_deinit:
+ s32g_pcie_deinit(s32g_pp);
+err_pm_runtime_put:
+ pm_runtime_put(dev);
+
+ return ret;
+}
+
+static int s32g_pcie_suspend_noirq(struct device *dev)
+{
+ struct s32g_pcie *s32g_pp = dev_get_drvdata(dev);
+ struct dw_pcie *pci = &s32g_pp->pci;
+
+ return dw_pcie_suspend_noirq(pci);
+}
+
+static int s32g_pcie_resume_noirq(struct device *dev)
+{
+ struct s32g_pcie *s32g_pp = dev_get_drvdata(dev);
+ struct dw_pcie *pci = &s32g_pp->pci;
+
+ return dw_pcie_resume_noirq(pci);
+}
+
+static const struct dev_pm_ops s32g_pcie_pm_ops = {
+ NOIRQ_SYSTEM_SLEEP_PM_OPS(s32g_pcie_suspend_noirq,
+ s32g_pcie_resume_noirq)
+};
+
+static const struct of_device_id s32g_pcie_of_match[] = {
+ { .compatible = "nxp,s32g2-pcie" },
+ { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, s32g_pcie_of_match);
+
+static struct platform_driver s32g_pcie_driver = {
+ .driver = {
+ .name = "s32g-pcie",
+ .of_match_table = s32g_pcie_of_match,
+ .suppress_bind_attrs = true,
+ .pm = pm_sleep_ptr(&s32g_pcie_pm_ops),
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
+ },
+ .probe = s32g_pcie_probe,
+};
+
+builtin_platform_driver(s32g_pcie_driver);
+
+MODULE_AUTHOR("Ionut Vicovan <Ionut.Vicovan@nxp.com>");
+MODULE_DESCRIPTION("NXP S32G PCIe Host controller driver");
+MODULE_LICENSE("GPL");