[PATCH 02/03] CM-x270: ITE 8152 PCI bridge support
From: Mike Rapoport
Date: Thu Sep 20 2007 - 12:41:56 EST
This patch provides driver for ITE 8152 PCI bridge.
Signed-off-by: Mike Rapoport <mike@xxxxxxxxxxxxxx>
arch/arm/common/Makefile | 1 +
arch/arm/common/it8152.c | 387 +++++++++++++++++++++++++++++++++++++
arch/arm/kernel/bios32.c | 28 +++-
include/asm-arm/hardware/it8152.h | 99 ++++++++++
include/asm-arm/pci.h | 7 +
include/linux/pci_ids.h | 1 +
6 files changed, 520 insertions(+), 3 deletions(-)
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index e1289a2..3d0b9fa 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -17,3 +17,4 @@ obj-$(CONFIG_SHARPSL_PM) += sharpsl_pm.o
obj-$(CONFIG_SHARP_SCOOP) += scoop.o
obj-$(CONFIG_ARCH_IXP2000) += uengine.o
obj-$(CONFIG_ARCH_IXP23XX) += uengine.o
+obj-$(CONFIG_PCI_HOST_ITE8152) += it8152.o
diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c
new file mode 100644
index 0000000..c03de9b
--- /dev/null
+++ b/arch/arm/common/it8152.c
@@ -0,0 +1,387 @@
+/*
+ * linux/arch/arm/common/it8152.c
+ *
+ * Copyright Compulab Ltd, 2002-2007
+ * Mike Rapoport <mike@xxxxxxxxxxxxxx>
+ *
+ * The DMA bouncing part is taken from arch/arm/mach-ixp4xx/common-pci.c
+ * (see this file for respective copyrights)
+ *
+ * Thanks to Guennadi Liakhovetski <gl@xxxxxxxxx> for IRQ enumberation
+ * and demux code.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/sched.h>
+#include <linux/kernel.h>
+#include <linux/pci.h>
+#include <linux/ptrace.h>
+#include <linux/interrupt.h>
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <asm/mach/pci.h>
+#include <asm/hardware/it8152.h>
+
+#define MAX_SLOTS 21
+
+static void it8152_mask_irq(unsigned int irq)
+{
+ if (irq >= IT8152_LD_IRQ(0)) {
+ __raw_writel((__raw_readl(IT8152_INTC_LDCNIMR) |
+ (1 << (irq - IT8152_LD_IRQ(0)))),
+ IT8152_INTC_LDCNIMR);
+ } else if (irq >= IT8152_LP_IRQ(0)) {
+ __raw_writel((__raw_readl(IT8152_INTC_LPCNIMR) |
+ (1 << (irq - IT8152_LP_IRQ(0)))),
+ IT8152_INTC_LPCNIMR);
+ } else if (irq >= IT8152_PD_IRQ(0)) {
+ __raw_writel((__raw_readl(IT8152_INTC_PDCNIMR) |
+ (1 << (irq - IT8152_PD_IRQ(0)))),
+ IT8152_INTC_PDCNIMR);
+ }
+}
+
+static void it8152_unmask_irq(unsigned int irq)
+{
+ if (irq >= IT8152_LD_IRQ(0)) {
+ __raw_writel((__raw_readl(IT8152_INTC_LDCNIMR) &
+ ~(1 << (irq - IT8152_LD_IRQ(0)))),
+ IT8152_INTC_LDCNIMR);
+ } else if (irq >= IT8152_LP_IRQ(0)) {
+ __raw_writel((__raw_readl(IT8152_INTC_LPCNIMR) &
+ ~(1 << (irq - IT8152_LP_IRQ(0)))),
+ IT8152_INTC_LPCNIMR);
+ } else if (irq >= IT8152_PD_IRQ(0)) {
+ __raw_writel((__raw_readl(IT8152_INTC_PDCNIMR) &
+ ~(1 << (irq - IT8152_PD_IRQ(0)))),
+ IT8152_INTC_PDCNIMR);
+ }
+}
+
+static inline void it8152_irq(int irq)
+{
+ struct irq_desc *desc;
+
+ printk(KERN_DEBUG "===> %s: irq=%d\n", __FUNCTION__, irq);
+
+ desc = irq_desc + irq;
+ desc_handle_irq(irq, desc);
+}
+
+static struct irq_chip it8152_irq_chip = {
+ .name = "it8152",
+ .ack = it8152_mask_irq,
+ .mask = it8152_mask_irq,
+ .unmask = it8152_unmask_irq,
+};
+
+void it8152_init_irq(void)
+{
+ int irq;
+
+ __raw_writel((0xffff), IT8152_INTC_PDCNIMR);
+ __raw_writel((0), IT8152_INTC_PDCNIRR);
+ __raw_writel((0xffff), IT8152_INTC_LPCNIMR);
+ __raw_writel((0), IT8152_INTC_LPCNIRR);
+ __raw_writel((0xffff), IT8152_INTC_LDCNIMR);
+ __raw_writel((0), IT8152_INTC_LDCNIRR);
+
+ for (irq = IT8152_IRQ(0); irq <= IT8152_LAST_IRQ; irq++) {
+ set_irq_chip(irq, &it8152_irq_chip);
+ set_irq_handler(irq, handle_level_irq);
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+ }
+}
+
+void it8152_irq_demux(unsigned int irq, struct irq_desc *desc)
+{
+ int bits_pd, bits_lp, bits_ld;
+ int i;
+
+ printk(KERN_DEBUG "=> %s: irq = %d\n", __FUNCTION__, irq);
+
+ while (1) {
+ /* Read all */
+ bits_pd = __raw_readl(IT8152_INTC_PDCNIRR);
+ bits_lp = __raw_readl(IT8152_INTC_LPCNIRR);
+ bits_ld = __raw_readl(IT8152_INTC_LDCNIRR);
+
+ /* Ack */
+ __raw_writel((~bits_pd), IT8152_INTC_PDCNIRR);
+ __raw_writel((~bits_lp), IT8152_INTC_LPCNIRR);
+ __raw_writel((~bits_ld), IT8152_INTC_LDCNIRR);
+
+ if (!(bits_ld | bits_lp | bits_pd)) {
+ /* Re-read to guarantee, that there was a moment of
+ time, when they all three were 0. */
+ bits_pd = __raw_readl(IT8152_INTC_PDCNIRR);
+ bits_lp = __raw_readl(IT8152_INTC_LPCNIRR);
+ if (!(bits_ld | bits_lp | bits_pd))
+ return;
+ }
+
+ bits_pd &= ((1 << IT8152_PD_IRQ_COUNT) - 1);
+ while (bits_pd) {
+ i = __ffs(bits_pd);
+ it8152_irq(IT8152_PD_IRQ(i));
+ bits_pd &= ~(1 << i);
+ }
+
+ bits_lp &= ((1 << IT8152_LP_IRQ_COUNT) - 1);
+ while (bits_lp) {
+ i = __ffs(bits_pd);
+ it8152_irq(IT8152_LP_IRQ(i));
+ bits_lp &= ~(1 << i);
+ }
+
+ bits_ld &= ((1 << IT8152_LD_IRQ_COUNT) - 1);
+ while (bits_ld) {
+ i = __ffs(bits_pd);
+ it8152_irq(IT8152_LD_IRQ(i));
+ bits_ld &= ~(1 << i);
+ }
+ }
+}
+
+/* mapping for on-chip devices */
+int __init it8152_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ if ((dev->vendor == PCI_VENDOR_ID_ITE) &&
+ (dev->device == PCI_DEVICE_ID_ITE_8152)) {
+ if ((dev->class >> 8) == PCI_CLASS_MULTIMEDIA_AUDIO)
+ return IT8152_AUDIO_INT;
+ if ((dev->class >> 8) == PCI_CLASS_SERIAL_USB)
+ return IT8152_USB_INT;
+ if ((dev->class >> 8) == PCI_CLASS_SYSTEM_DMA)
+ return IT8152_CDMA_INT;
+ }
+
+ return 0;
+}
+
+static unsigned long it8152_pci_dev_base_address(struct pci_bus *bus,
+ unsigned int devfn)
+{
+ unsigned long addr = 0;
+
+ if (bus->number == 0) {
+ if (devfn < PCI_DEVFN(MAX_SLOTS, 0))
+ addr = (devfn << 8);
+ } else
+ addr = (bus->number << 16) | (devfn << 8);
+
+ return addr;
+}
+
+static int it8152_pci_read_config(struct pci_bus *bus,
+ unsigned int devfn, int where,
+ int size, u32 *value)
+{
+ unsigned long addr = it8152_pci_dev_base_address(bus, devfn);
+ u32 v;
+ int shift;
+
+ shift = (where & 3);
+
+ __raw_writel((addr + where), IT8152_PCI_CFG_ADDR);
+ v = (__raw_readl(IT8152_PCI_CFG_DATA) >> (8 * (shift)));
+
+ *value = v;
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static int it8152_pci_write_config(struct pci_bus *bus,
+ unsigned int devfn, int where,
+ int size, u32 value)
+{
+ unsigned long addr = it8152_pci_dev_base_address(bus, devfn);
+ u32 v, vtemp, mask = 0;
+ int shift;
+
+ if (size == 1)
+ mask = 0xff;
+ if (size == 2)
+ mask = 0xffff;
+
+ shift = (where & 3);
+
+ __raw_writel((addr + where), IT8152_PCI_CFG_ADDR);
+ vtemp = __raw_readl(IT8152_PCI_CFG_DATA);
+
+ if (mask)
+ vtemp &= ~(mask << (8 * shift));
+ else
+ vtemp = 0;
+
+ v = (value << (8 * shift));
+ __raw_writel((addr + where), IT8152_PCI_CFG_ADDR);
+ __raw_writel((v | vtemp), IT8152_PCI_CFG_DATA);
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+static struct pci_ops it8152_ops = {
+ .read = it8152_pci_read_config,
+ .write = it8152_pci_write_config,
+};
+
+static struct resource it8152_io = {
+ .name = "IT8152 PCI I/O region",
+ .flags = IORESOURCE_IO,
+};
+
+static struct resource it8152_mem = {
+ .name = "IT8152 PCI memory region",
+ .start = 0x10000000,
+ .end = 0x13e00000,
+ .flags = IORESOURCE_MEM,
+};
+
+/*
+ * The following functions are needed for DMA bouncing.
+ * ITE8152 chip can addrees up to 64MByte, so all the devices
+ * connected to ITE8152 (PCI and USB) should have limited DMA window
+ */
+
+/*
+ * Setup DMA mask to 64MB on devices connected to ITE8152. Ignore all
+ * other devices.
+ */
+static int it8152_pci_platform_notify(struct device *dev)
+{
+ if (dev->bus == &pci_bus_type) {
+ if (dev->dma_mask)
+ *dev->dma_mask = (SZ_64M - 1) | PHYS_OFFSET;
+ dev->coherent_dma_mask = (SZ_64M - 1) | PHYS_OFFSET;
+ dmabounce_register_dev(dev, 2048, 4096);
+ }
+ return 0;
+}
+
+static int it8152_pci_platform_notify_remove(struct device *dev)
+{
+ if (dev->bus == &pci_bus_type)
+ dmabounce_unregister_dev(dev);
+
+ return 0;
+}
+
+int dma_needs_bounce(struct device *dev, dma_addr_t dma_addr, size_t size)
+{
+ dev_dbg(dev, "%s: dma_addr %08x, size %08x\n",
+ __FUNCTION__, dma_addr, size);
+ return (dev->bus == &pci_bus_type) &&
+ ((dma_addr + size - PHYS_OFFSET) >= SZ_64M);
+}
+
+/*
+ * We override these so we properly do dmabounce otherwise drivers
+ * are able to set the dma_mask to 0xffffffff and we can no longer
+ * trap bounces. :(
+ *
+ * We just return true on everyhing except for < 64MB in which case
+ * we will fail miseralby and die since we can't handle that case.
+ */
+int pci_set_dma_mask(struct pci_dev *dev, u64 mask)
+{
+ printk(KERN_DEBUG "%s: %s %llx\n",
+ __FUNCTION__, dev->dev.bus_id, mask);
+ if (mask >= PHYS_OFFSET + SZ_64M - 1)
+ return 0;
+
+ return -EIO;
+}
+
+int
+pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
+{
+ printk(KERN_DEBUG "%s: %s %llx\n",
+ __FUNCTION__, dev->dev.bus_id, mask);
+ if (mask >= PHYS_OFFSET + SZ_64M - 1)
+ return 0;
+
+ return -EIO;
+}
+
+int __init it8152_pci_setup(int nr, struct pci_sys_data *sys)
+{
+ it8152_io.start = IT8152_IO_BASE + 0x12000;
+ it8152_io.end = IT8152_IO_BASE + 0x12000 + 0x100000;
+
+ sys->mem_offset = 0x10000000;
+ sys->io_offset = IT8152_IO_BASE;
+
+ if (request_resource(&ioport_resource, &it8152_io)) {
+ printk(KERN_ERR "PCI: unable to allocate IO region\n");
+ goto err0;
+ }
+ if (request_resource(&iomem_resource, &it8152_mem)) {
+ printk(KERN_ERR "PCI: unable to allocate memory region\n");
+ goto err1;
+ }
+
+ sys->resource[0] = &it8152_io;
+ sys->resource[1] = &it8152_mem;
+
+ if (platform_notify || platform_notify_remove) {
+ printk(KERN_ERR "PCI: Can't use platform_notify\n");
+ goto err2;
+ }
+
+ platform_notify = it8152_pci_platform_notify;
+ platform_notify_remove = it8152_pci_platform_notify_remove;
+
+ return 1;
+
+err2:
+ release_resource(&it8152_io);
+err1:
+ release_resource(&it8152_mem);
+err0:
+ return -EBUSY;
+}
+
+/*
+ * If we set up a device for bus mastering, we need to check the latency
+ * timer as we don't have even crappy BIOSes to set it properly.
+ * The implementation is from arch/i386/pci/i386.c
+ */
+unsigned int pcibios_max_latency = 255;
+
+void pcibios_set_master(struct pci_dev *dev)
+{
+ u8 lat;
+
+ /* no need to update on-chip OHCI controller */
+ if ((dev->vendor == PCI_VENDOR_ID_ITE) &&
+ (dev->device == PCI_DEVICE_ID_ITE_8152) &&
+ ((dev->class >> 8) == PCI_CLASS_SERIAL_USB))
+ return;
+
+ pci_read_config_byte(dev, PCI_LATENCY_TIMER, &lat);
+ if (lat < 16)
+ lat = (64 <= pcibios_max_latency) ? 64 : pcibios_max_latency;
+ else if (lat > pcibios_max_latency)
+ lat = pcibios_max_latency;
+ else
+ return;
+ printk(KERN_DEBUG "PCI: Setting latency timer of device %s to %d\n",
+ pci_name(dev), lat);
+ pci_write_config_byte(dev, PCI_LATENCY_TIMER, lat);
+}
+
+
+struct pci_bus * __init it8152_pci_scan_bus(int nr, struct pci_sys_data *sys)
+{
+ return pci_scan_bus(nr, &it8152_ops, sys);
+}
+
diff --git a/arch/arm/kernel/bios32.c b/arch/arm/kernel/bios32.c
index 240c448..cba32ee 100644
--- a/arch/arm/kernel/bios32.c
+++ b/arch/arm/kernel/bios32.c
@@ -279,6 +279,25 @@ static void __devinit pci_fixup_cy82c693(struct pci_dev *dev)
}
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CONTAQ, PCI_DEVICE_ID_CONTAQ_82C693, pci_fixup_cy82c693);
+static void __init pci_fixup_it8152(struct pci_dev *dev)
+{
+ int i;
+ /* fixup for ITE 8152 devices */
+ /* FIXME: add defines for class 0x68000 and 0x80103 */
+ if ((dev->class >> 8) == PCI_CLASS_BRIDGE_HOST ||
+ dev->class == 0x68000 ||
+ dev->class == 0x80103) {
+ for (i = 0; i < PCI_NUM_RESOURCES; i++) {
+ dev->resource[i].start = 0;
+ dev->resource[i].end = 0;
+ dev->resource[i].flags = 0;
+ }
+ }
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ITE, PCI_DEVICE_ID_ITE_8152, pci_fixup_it8152);
+
+
+
void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
{
if (debug_pci)
@@ -292,9 +311,12 @@ void __devinit pcibios_update_irq(struct pci_dev *dev, int irq)
*/
static inline int pdev_bad_for_parity(struct pci_dev *dev)
{
- return (dev->vendor == PCI_VENDOR_ID_INTERG &&
- (dev->device == PCI_DEVICE_ID_INTERG_2000 ||
- dev->device == PCI_DEVICE_ID_INTERG_2010));
+ return ((dev->vendor == PCI_VENDOR_ID_INTERG &&
+ (dev->device == PCI_DEVICE_ID_INTERG_2000 ||
+ dev->device == PCI_DEVICE_ID_INTERG_2010)) ||
+ (dev->vendor == PCI_VENDOR_ID_ITE &&
+ dev->device == PCI_DEVICE_ID_ITE_8152));
+
}
/*
diff --git a/include/asm-arm/hardware/it8152.h b/include/asm-arm/hardware/it8152.h
new file mode 100644
index 0000000..aaebb61
--- /dev/null
+++ b/include/asm-arm/hardware/it8152.h
@@ -0,0 +1,99 @@
+/*
+ * linux/include/arm/hardware/it8152.h
+ *
+ * Copyright Compulab Ltd., 2006,2007
+ * Mike Rapoport <mike@xxxxxxxxxxxxxx>
+ *
+ * ITE 8152 companion chip register definitions
+ */
+
+#ifndef __ASM_HARDWARE_IT8152_H
+#define __ASM_HARDWARE_IT8152_H
+extern unsigned long it8152_base_address;
+
+#define IT8152_IO_BASE (it8152_base_address + 0x03e00000)
+#define IT8152_CFGREG_BASE (it8152_base_address + 0x03f00000)
+
+#define __REG_IT8152(x) (it8152_base_address + (x))
+
+#define IT8152_PCI_CFG_ADDR __REG_IT8152(0x3f00800)
+#define IT8152_PCI_CFG_DATA __REG_IT8152(0x3f00804)
+
+#define IT8152_INTC_LDCNIRR __REG_IT8152(0x3f00300)
+#define IT8152_INTC_LDPNIRR __REG_IT8152(0x3f00304)
+#define IT8152_INTC_LDCNIMR __REG_IT8152(0x3f00308)
+#define IT8152_INTC_LDPNIMR __REG_IT8152(0x3f0030C)
+#define IT8152_INTC_LDNITR __REG_IT8152(0x3f00310)
+#define IT8152_INTC_LDNIAR __REG_IT8152(0x3f00314)
+#define IT8152_INTC_LPCNIRR __REG_IT8152(0x3f00320)
+#define IT8152_INTC_LPPNIRR __REG_IT8152(0x3f00324)
+#define IT8152_INTC_LPCNIMR __REG_IT8152(0x3f00328)
+#define IT8152_INTC_LPPNIMR __REG_IT8152(0x3f0032C)
+#define IT8152_INTC_LPNITR __REG_IT8152(0x3f00330)
+#define IT8152_INTC_LPNIAR __REG_IT8152(0x3f00334)
+#define IT8152_INTC_PDCNIRR __REG_IT8152(0x3f00340)
+#define IT8152_INTC_PDPNIRR __REG_IT8152(0x3f00344)
+#define IT8152_INTC_PDCNIMR __REG_IT8152(0x3f00348)
+#define IT8152_INTC_PDPNIMR __REG_IT8152(0x3f0034C)
+#define IT8152_INTC_PDNITR __REG_IT8152(0x3f00350)
+#define IT8152_INTC_PDNIAR __REG_IT8152(0x3f00354)
+#define IT8152_INTC_INTC_TYPER __REG_IT8152(0x3f003FC)
+
+#define IT8152_GPIO_GPDR __REG_IT8152(0x3f00500)
+
+/*
+ Interrup contoler per register summary:
+ ---------------------------------------
+ LCDNIRR:
+ IT8152_LD_IRQ(8) PCICLK stop
+ IT8152_LD_IRQ(7) MCLK ready
+ IT8152_LD_IRQ(6) s/w
+ IT8152_LD_IRQ(5) UART
+ IT8152_LD_IRQ(4) GPIO
+ IT8152_LD_IRQ(3) TIMER 4
+ IT8152_LD_IRQ(2) TIMER 3
+ IT8152_LD_IRQ(1) TIMER 2
+ IT8152_LD_IRQ(0) TIMER 1
+
+ LPCNIRR:
+ IT8152_LP_IRQ(x) serial IRQ x
+
+ PCIDNIRR:
+ IT8152_PD_IRQ(14) PCISERR
+ IT8152_PD_IRQ(13) CPU/PCI bridge target abort (h2pTADR)
+ IT8152_PD_IRQ(12) CPU/PCI bridge master abort (h2pMADR)
+ IT8152_PD_IRQ(11) PCI INTD
+ IT8152_PD_IRQ(10) PCI INTC
+ IT8152_PD_IRQ(9) PCI INTB
+ IT8152_PD_IRQ(8) PCI INTA
+ IT8152_PD_IRQ(7) serial INTD
+ IT8152_PD_IRQ(6) serial INTC
+ IT8152_PD_IRQ(5) serial INTB
+ IT8152_PD_IRQ(4) serial INTA
+ IT8152_PD_IRQ(3) serial IRQ IOCHK (IOCHKR)
+ IT8152_PD_IRQ(2) chaining DMA (CDMAR)
+ IT8152_PD_IRQ(1) USB (USBR)
+ IT8152_PD_IRQ(0) Audio controller (ACR)
+ */
+/* frequently used interrupts */
+#define IT8152_PCISERR IT8152_PD_IRQ(14)
+#define IT8152_H2PTADR IT8152_PD_IRQ(13)
+#define IT8152_H2PMAR IT8152_PD_IRQ(12)
+#define IT8152_PCI_INTD IT8152_PD_IRQ(11)
+#define IT8152_PCI_INTC IT8152_PD_IRQ(10)
+#define IT8152_PCI_INTB IT8152_PD_IRQ(9)
+#define IT8152_PCI_INTA IT8152_PD_IRQ(8)
+#define IT8152_CDMA_INT IT8152_PD_IRQ(2)
+#define IT8152_USB_INT IT8152_PD_IRQ(1)
+#define IT8152_AUDIO_INT IT8152_PD_IRQ(0)
+
+struct pci_dev;
+struct pci_sys_data;
+
+extern void it8152_irq_demux(unsigned int irq, struct irq_desc *desc);
+extern void it8152_init_irq(void);
+extern int it8152_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin);
+extern int it8152_pci_setup(int nr, struct pci_sys_data *sys);
+extern struct pci_bus *it8152_pci_scan_bus(int nr, struct pci_sys_data *sys);
+
+#endif /* __ASM_HARDWARE_IT8152_H */
diff --git a/include/asm-arm/pci.h b/include/asm-arm/pci.h
index ed3f898..75feb15 100644
--- a/include/asm-arm/pci.h
+++ b/include/asm-arm/pci.h
@@ -8,10 +8,17 @@
#define pcibios_scan_all_fns(a, b) 0
+#ifdef CONFIG_PCI_HOST_ITE8152
+/* ITE bridge requires setting latency timer to avoid early bus access
+ termination by PIC bus mater devices
+*/
+extern void pcibios_set_master(struct pci_dev *dev);
+#else
static inline void pcibios_set_master(struct pci_dev *dev)
{
/* No special bus mastering setup handling */
}
+#endif
static inline void pcibios_penalize_isa_irq(int irq, int active)
{
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 55f307f..357390d 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1629,6 +1629,7 @@
#define PCI_DEVICE_ID_ITE_8211 0x8211
#define PCI_DEVICE_ID_ITE_8212 0x8212
#define PCI_DEVICE_ID_ITE_8213 0x8213
+#define PCI_DEVICE_ID_ITE_8152 0x8152
#define PCI_DEVICE_ID_ITE_8872 0x8872
#define PCI_DEVICE_ID_ITE_IT8330G_0 0xe886
-
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