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Index: sys/arm64/conf/std.nxp
===================================================================
--- sys/arm64/conf/std.nxp
+++ sys/arm64/conf/std.nxp
@@ -10,6 +10,9 @@
device pcf8563 # NXP Real-time clock/calendar
device tca64xx # NXP I2C gpio expander
device pcf85063 # NXP Real-time clock
+device lx2160a_i2c # NXP LX2160A-family I2C controller
+device lx2160a_i2c_acpi # NXP LX2160A-family I2C controller
+#device lx2160a_i2c_fdt # NXP LX2160A-family I2C controller (not to be included along with vf_i2c)
# Serial (COM) ports
device uart_ns8250 # ns8250-type UART driver
Index: sys/conf/files.arm64
===================================================================
--- sys/conf/files.arm64
+++ sys/conf/files.arm64
@@ -630,6 +630,9 @@
# NXP
arm/freescale/vybrid/vf_i2c.c optional vf_i2c iicbus soc_nxp_ls
+dev/iicbus/controller/qoriq/lx2160a_i2c.c optional lx2160a_i2c iicbus soc_nxp_ls
+dev/iicbus/controller/qoriq/lx2160a_i2c_acpi.c optional lx2160a_i2c_acpi iicbus acpi soc_nxp_ls
+dev/iicbus/controller/qoriq/lx2160a_i2c_fdt.c optional lx2160a_i2c_fdt iicbus fdt soc_nxp_ls
arm64/qoriq/qoriq_dw_pci.c optional pci fdt soc_nxp_ls
arm64/qoriq/qoriq_gpio_pic.c optional gpio fdt soc_nxp_ls
arm64/qoriq/qoriq_therm.c optional pci fdt soc_nxp_ls
Index: sys/dev/iicbus/controller/qoriq/lx2160a_i2c.h
===================================================================
--- /dev/null
+++ sys/dev/iicbus/controller/qoriq/lx2160a_i2c.h
@@ -0,0 +1,58 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Pierre-Luc Drouin <pldrouin@pldrouin.net>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * LX2160A Family Inter-Integrated Circuit (I2C)
+ * Chapter 21, LX2160A Reference Manual, Rev. 1, 10/2021
+ */
+
+/*
+ * This driver is based on the Vybrid I2C driver by Ruslan Bukin and on earlier
+ * work by Val Packett
+*/
+
+#ifndef __LX2160A_I2C_H__
+#define __LX2160A_I2C_H__
+
+#define LX2160A_I2C_DEVSTR "LX2160A Family Inter-Integrated Circuit (I2C)"
+
+#define HW_VF610 0x02
+
+struct i2c_softc {
+ struct resource *res[2];
+ bus_space_tag_t bst;
+ bus_space_handle_t bsh;
+ device_t dev;
+ device_t iicbus;
+ struct mtx mutex;
+};
+
+extern driver_t lx2160a_i2c_driver;
+
+device_attach_t lx2160a_i2c_attach_common;
+
+#endif /* !__LX2160A_I2C_H__ */
Index: sys/dev/iicbus/controller/qoriq/lx2160a_i2c.c
===================================================================
--- /dev/null
+++ sys/dev/iicbus/controller/qoriq/lx2160a_i2c.c
@@ -0,0 +1,456 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Pierre-Luc Drouin <pldrouin@pldrouin.net>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * LX2160A Family Inter-Integrated Circuit (I2C)
+ * Chapter 21, LX2160A Reference Manual, Rev. 1, 10/2021
+ */
+
+/*
+ * This driver is based on the Vybrid I2C driver by Ruslan Bukin and on earlier
+ * work by Val Packett
+*/
+
+#include <sys/cdefs.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/malloc.h>
+#include <sys/rman.h>
+#include <sys/timeet.h>
+#include <sys/timetc.h>
+
+#include <dev/iicbus/iiconf.h>
+#include <dev/iicbus/iicbus.h>
+
+#include "iicbus_if.h"
+
+#include <machine/bus.h>
+#include <machine/cpu.h>
+#include <machine/intr.h>
+
+#include <dev/iicbus/controller/qoriq/lx2160a_i2c.h>
+
+#define READ1(_sc, _reg) bus_space_read_1(_sc->bst, _sc->bsh, _reg)
+#define WRITE1(_sc, _reg, _val) bus_space_write_1(_sc->bst, _sc->bsh, _reg, _val)
+
+#define I2C_IBAD 0x0 /* I2C Bus Address Register */
+#define I2C_IBFD 0x1 /* I2C Bus Frequency Divider Register */
+#define I2C_IBCR 0x2 /* I2C Bus Control Register */
+#define IBCR_MDIS (1 << 7) /* Module disable. */
+#define IBCR_IBIE (1 << 6) /* I-Bus Interrupt Enable. */
+#define IBCR_MSSL (1 << 5) /* Master/Slave mode select. */
+#define IBCR_TXRX (1 << 4) /* Transmit/Receive mode select. */
+#define IBCR_NOACK (1 << 3) /* Data Acknowledge disable. */
+#define IBCR_RSTA (1 << 2) /* Repeat Start. */
+#define IBCR_DMAEN (1 << 1) /* DMA Enable. */
+#define I2C_IBSR 0x3 /* I2C Bus Status Register */
+#define IBSR_TCF (1 << 7) /* Transfer complete. */
+#define IBSR_IAAS (1 << 6) /* Addressed as a slave. */
+#define IBSR_IBB (1 << 5) /* Bus busy. */
+#define IBSR_IBAL (1 << 4) /* Arbitration Lost. */
+#define IBSR_SRW (1 << 2) /* Slave Read/Write. */
+#define IBSR_IBIF (1 << 1) /* I-Bus Interrupt Flag. */
+#define IBSR_RXAK (1 << 0) /* Received Acknowledge. */
+#define I2C_IBDR 0x4 /* I2C Bus Data I/O Register */
+#define I2C_IBIC 0x5 /* I2C Bus Interrupt Config Register */
+#define IBIC_BIIE (1 << 7) /* Bus Idle Interrupt Enable bit. */
+#define I2C_IBDBG 0x6 /* I2C Bus Debug Register */
+
+#ifdef DEBUG
+#define lx2160a_i2c_dbg(_sc, fmt, args...) \
+ device_printf((_sc)->dev, fmt, ##args)
+#ifdef DEBUG2
+#undef WRITE1
+#define WRITE1(_sc, _reg, _val) ({lx2160a_i2c_dbg(_sc, "WRITE1 REG 0x%02X VAL 0x%02X\n",_reg,_val); bus_space_write_1(_sc->bst, _sc->bsh, _reg, _val);})
+#undef READ1
+#define READ1(_sc, _reg) ({uint32_t ret=bus_space_read_1(_sc->bst, _sc->bsh, _reg); lx2160a_i2c_dbg(_sc, "READ1 REG 0x%02X RETURNS 0x%02X\n",_reg,ret); ret;})
+#endif
+#else
+#define lx2160a_i2c_dbg(_sc, fmt, args...)
+#endif
+
+static int i2c_repeated_start(device_t, u_char, int);
+static int i2c_start(device_t, u_char, int);
+static int i2c_stop(device_t);
+static int i2c_reset(device_t, u_char, u_char, u_char *);
+static int i2c_read(device_t, char *, int, int *, int, int);
+static int i2c_write(device_t, const char *, int, int *, int);
+
+static struct resource_spec i2c_spec[] = {
+ { SYS_RES_MEMORY, 0, RF_ACTIVE },
+ { SYS_RES_IRQ, 0, RF_ACTIVE },
+ { -1, 0 }
+};
+
+int
+lx2160a_i2c_attach_common(device_t dev)
+{
+ struct i2c_softc *sc = device_get_softc(dev);
+ int error;
+ lx2160a_i2c_dbg(sc, "i2c attach common\n");
+
+ mtx_init(&sc->mutex, device_get_nameunit(dev), "I2C", MTX_DEF);
+
+ error = bus_alloc_resources(dev, i2c_spec, sc->res);
+ if (error != 0) {
+ mtx_destroy(&sc->mutex);
+ device_printf(dev, "could not allocate resources\n");
+ return (ENXIO);
+ }
+
+ /* Memory interface */
+ sc->bst = rman_get_bustag(sc->res[0]);
+ sc->bsh = rman_get_bushandle(sc->res[0]);
+
+ WRITE1(sc, I2C_IBIC, IBIC_BIIE);
+
+ sc->iicbus = device_add_child(dev, "iicbus", -1);
+ if (sc->iicbus == NULL) {
+ device_printf(dev, "could not add iicbus child");
+ mtx_destroy(&sc->mutex);
+ bus_release_resources(dev, i2c_spec, sc->res);
+ return (ENXIO);
+ }
+
+ bus_generic_attach(dev);
+
+ return (0);
+}
+
+static int
+i2c_detach(device_t dev)
+{
+ struct i2c_softc *sc;
+ int error = 0;
+
+ sc = device_get_softc(dev);
+ lx2160a_i2c_dbg(sc, "i2c detach\n");
+
+ error = bus_generic_detach(dev);
+ if (error != 0) {
+ device_printf(dev, "cannot detach child devices.\n");
+ return (error);
+ }
+
+ error = device_delete_child(dev, sc->iicbus);
+ if (error != 0) {
+ device_printf(dev, "could not delete iicbus child.\n");
+ return (error);
+ }
+
+ bus_release_resources(dev, i2c_spec, sc->res);
+
+ mtx_destroy(&sc->mutex);
+
+ return (0);
+}
+
+/* Wait for free bus */
+static int
+wait_for_nibb(struct i2c_softc *sc)
+{
+ int retry;
+
+ retry = 1000;
+ while (retry --) {
+ if ((READ1(sc, I2C_IBSR) & IBSR_IBB) == 0)
+ return (IIC_NOERR);
+ DELAY(10);
+ }
+
+ return (IIC_ETIMEOUT);
+}
+
+/* Wait for transfer complete+interrupt flag */
+static int
+wait_for_icf(struct i2c_softc *sc)
+{
+ int retry;
+ uint8_t ibsr;
+ lx2160a_i2c_dbg(sc, "i2c wait for transfer complete + interrupt flag\n");
+
+ retry = 1000;
+ while (retry --) {
+ ibsr=READ1(sc, I2C_IBSR);
+
+ if (ibsr & IBSR_IBIF) {
+ WRITE1(sc, I2C_IBSR, IBSR_IBIF);
+
+ if(ibsr & IBSR_IBAL) {
+ WRITE1(sc, I2C_IBSR, IBSR_IBAL);
+ return (IIC_EBUSBSY);
+ }
+
+ if(ibsr & IBSR_TCF) return (IIC_NOERR);
+ }
+ DELAY(10);
+ }
+
+ return (IIC_ETIMEOUT);
+}
+/* Get ACK bit from last write */
+static bool
+tx_acked(struct i2c_softc *sc)
+{
+ lx2160a_i2c_dbg(sc, "i2c get ACK bit from last write\n");
+
+ return (READ1(sc, I2C_IBSR) & IBSR_RXAK) ? false : true;
+
+}
+
+static int
+i2c_repeated_start(device_t dev, u_char slave, int timeout)
+{
+ struct i2c_softc *sc;
+ int error;
+ int reg;
+
+ sc = device_get_softc(dev);
+
+ lx2160a_i2c_dbg(sc, "i2c repeated start\n");
+
+ mtx_lock(&sc->mutex);
+
+ if ((READ1(sc, I2C_IBSR) & IBSR_IBB) == 0) {
+ lx2160a_i2c_dbg(sc, "cant i2c repeat start: bus is no longer busy\n");
+ mtx_unlock(&sc->mutex);
+ return (IIC_EBUSERR);
+ }
+
+ reg = READ1(sc, I2C_IBCR);
+ reg |= (IBCR_RSTA | IBCR_IBIE);
+ WRITE1(sc, I2C_IBCR, reg);
+
+ /* Write target address - LSB is R/W bit */
+ WRITE1(sc, I2C_IBDR, slave);
+
+ error = wait_for_icf(sc);
+
+ if (!tx_acked(sc)) {
+ mtx_unlock(&sc->mutex);
+ lx2160a_i2c_dbg(sc, "cant i2c repeat start: missing ACK after slave address\n");
+ return (IIC_ENOACK);
+ }
+
+ mtx_unlock(&sc->mutex);
+
+ if (error != 0)
+ return (error);
+
+ return (IIC_NOERR);
+}
+
+static int
+i2c_start(device_t dev, u_char slave, int timeout)
+{
+ struct i2c_softc *sc;
+ int error;
+ int reg;
+
+ sc = device_get_softc(dev);
+
+ lx2160a_i2c_dbg(sc, "i2c start\n");
+
+ mtx_lock(&sc->mutex);
+
+ error = wait_for_nibb(sc);
+
+ if (error != 0) {
+ mtx_unlock(&sc->mutex);
+ lx2160a_i2c_dbg(sc, "cant i2c start: %i\n", error);
+ return (error);
+ }
+
+ /* Set start condition */
+ reg = (IBCR_MSSL | IBCR_NOACK | IBCR_IBIE | IBCR_TXRX);
+ WRITE1(sc, I2C_IBCR, reg);
+
+ WRITE1(sc, I2C_IBSR, IBSR_IBIF);
+
+ /* Write target address - LSB is R/W bit */
+ WRITE1(sc, I2C_IBDR, slave);
+
+ error = wait_for_icf(sc);
+ if (error != 0) {
+ mtx_unlock(&sc->mutex);
+ lx2160a_i2c_dbg(sc, "cant i2c start: iif error\n");
+ return (error);
+ }
+ mtx_unlock(&sc->mutex);
+
+ if (!tx_acked(sc)) {
+ lx2160a_i2c_dbg(sc, "cant i2c start: missing ACK after slave address\n");
+ return (IIC_ENOACK);
+ }
+
+ return (IIC_NOERR);
+}
+
+static int
+i2c_stop(device_t dev)
+{
+ struct i2c_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ lx2160a_i2c_dbg(sc, "i2c stop\n");
+
+ mtx_lock(&sc->mutex);
+
+ if((READ1(sc, I2C_IBCR) & IBCR_MSSL) != 0) WRITE1(sc, I2C_IBCR, IBCR_NOACK | IBCR_IBIE);
+
+ mtx_unlock(&sc->mutex);
+
+ return (IIC_NOERR);
+}
+
+static int
+i2c_reset(device_t dev, u_char speed, u_char addr, u_char *oldadr)
+{
+ struct i2c_softc *sc;
+
+ sc = device_get_softc(dev);
+
+ lx2160a_i2c_dbg(sc, "i2c reset\n");
+
+ mtx_lock(&sc->mutex);
+ WRITE1(sc, I2C_IBCR, IBCR_MDIS);
+
+ WRITE1(sc, I2C_IBCR, 0x0); /* Enable i2c */
+
+ mtx_unlock(&sc->mutex);
+
+ return (IIC_NOERR);
+}
+
+static int
+i2c_read(device_t dev, char *buf, int len, int *read, int last, int delay)
+{
+ struct i2c_softc *sc;
+ int error;
+
+ sc = device_get_softc(dev);
+
+ lx2160a_i2c_dbg(sc, "i2c read\n");
+
+ *read = 0;
+
+ mtx_lock(&sc->mutex);
+
+ if (len) {
+
+ if (len == 1)
+ WRITE1(sc, I2C_IBCR, IBCR_IBIE | IBCR_MSSL | IBCR_NOACK);
+ else
+ WRITE1(sc, I2C_IBCR, IBCR_IBIE | IBCR_MSSL);
+
+ /* dummy read */
+ READ1(sc, I2C_IBDR);
+
+ while (*read < len) {
+ error = wait_for_icf(sc);
+ if (error != 0) {
+ mtx_unlock(&sc->mutex);
+ return (error);
+ }
+
+ if (last ) {
+ if (*read == len - 2) {
+ /* NO ACK on last byte */
+ WRITE1(sc, I2C_IBCR, IBCR_IBIE | IBCR_MSSL | IBCR_NOACK);
+
+ } else if (*read == len - 1) {
+ /* Transfer done, remove master bit */
+ WRITE1(sc, I2C_IBCR, IBCR_IBIE | IBCR_NOACK);
+ }
+ }
+
+ *buf++ = READ1(sc, I2C_IBDR);
+ (*read)++;
+ }
+ }
+ mtx_unlock(&sc->mutex);
+
+ return (IIC_NOERR);
+}
+
+static int
+i2c_write(device_t dev, const char *buf, int len, int *sent, int timeout)
+{
+ struct i2c_softc *sc;
+ int error;
+
+ sc = device_get_softc(dev);
+
+ lx2160a_i2c_dbg(sc, "i2c write\n");
+
+ *sent = 0;
+
+ mtx_lock(&sc->mutex);
+ while (*sent < len) {
+ WRITE1(sc, I2C_IBDR, *buf++);
+
+ error = wait_for_icf(sc);
+ if (error != 0) {
+ mtx_unlock(&sc->mutex);
+ return (error);
+ }
+
+ if (!tx_acked(sc) && (*sent = (len - 2)) ){
+ mtx_unlock(&sc->mutex);
+ lx2160a_i2c_dbg(sc, "no ACK on %d write\n", *sent);
+ return (IIC_ENOACK);
+ }
+
+ (*sent)++;
+ }
+ mtx_unlock(&sc->mutex);
+ return (IIC_NOERR);
+}
+
+static device_method_t i2c_methods[] = {
+ DEVMETHOD(device_detach, i2c_detach),
+
+ DEVMETHOD(iicbus_callback, iicbus_null_callback),
+ DEVMETHOD(iicbus_repeated_start, i2c_repeated_start),
+ DEVMETHOD(iicbus_start, i2c_start),
+ DEVMETHOD(iicbus_stop, i2c_stop),
+ DEVMETHOD(iicbus_reset, i2c_reset),
+ DEVMETHOD(iicbus_read, i2c_read),
+ DEVMETHOD(iicbus_write, i2c_write),
+ DEVMETHOD(iicbus_transfer, iicbus_transfer_gen),
+ { 0, 0 }
+};
+
+driver_t lx2160a_i2c_driver = {
+ "i2c",
+ i2c_methods,
+ sizeof(struct i2c_softc),
+};
Index: sys/dev/iicbus/controller/qoriq/lx2160a_i2c_acpi.c
===================================================================
--- /dev/null
+++ sys/dev/iicbus/controller/qoriq/lx2160a_i2c_acpi.c
@@ -0,0 +1,112 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Pierre-Luc Drouin <pldrouin@pldrouin.net>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * LX2160A Family Inter-Integrated Circuit (I2C)
+ * Chapter 21, LX2160A Reference Manual, Rev. 1, 10/2021
+ */
+
+/*
+ * This driver is based on the Vybrid I2C driver by Ruslan Bukin and on earlier
+ * work by Val Packett
+*/
+
+#include <sys/cdefs.h>
+
+#include "opt_acpi.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/rman.h>
+
+#include <contrib/dev/acpica/include/acpi.h>
+#include <contrib/dev/acpica/include/accommon.h>
+
+#include <dev/acpica/acpivar.h>
+#include <dev/iicbus/iicbus.h>
+#include <dev/iicbus/iiconf.h>
+
+#include <dev/iicbus/controller/qoriq/lx2160a_i2c.h>
+
+static char *lx2160a_i2c_ids[] = {
+ "NXP0001",
+ NULL
+};
+
+static int
+i2c_acpi_probe(device_t dev)
+{
+ int rv;
+
+ if (acpi_disabled("lx2160a_i2c"))
+ return (ENXIO);
+
+ rv = ACPI_ID_PROBE(device_get_parent(dev), dev, lx2160a_i2c_ids, NULL);
+ if (rv > 0)
+ return (rv);
+
+ device_set_desc(dev, LX2160A_I2C_DEVSTR);
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+i2c_acpi_attach(device_t dev)
+{
+ struct i2c_softc *sc;
+
+ sc = device_get_softc(dev);
+ sc->dev = dev;
+
+ return (lx2160a_i2c_attach_common(dev));
+}
+
+static device_method_t i2c_acpi_methods[] = {
+ DEVMETHOD(device_probe, i2c_acpi_probe),
+ DEVMETHOD(device_attach, i2c_acpi_attach),
+
+ DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
+ DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
+ DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
+ DEVMETHOD(bus_release_resource, bus_generic_release_resource),
+ DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
+ DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
+ DEVMETHOD(bus_adjust_resource, bus_generic_adjust_resource),
+
+ { 0, 0 }
+};
+
+DEFINE_CLASS_1(i2c, lx2160a_i2c_acpi_driver, i2c_acpi_methods,
+ sizeof(struct i2c_softc), lx2160a_i2c_driver);
+
+DRIVER_MODULE(iicbus, lx2160a_i2c_acpi, iicbus_driver, 0, 0);
+DRIVER_MODULE(acpi_iicbus, lx2160a_i2c_acpi, acpi_iicbus_driver, 0, 0);
+DRIVER_MODULE(lx2160a_i2c_acpi, acpi, lx2160a_i2c_acpi_driver, 0, 0);
+MODULE_DEPEND(lx2160a_i2c_acpi, iicbus, IICBUS_MINVER, IICBUS_PREFVER, IICBUS_MAXVER);
+MODULE_VERSION(lx2160a_i2c_acpi, 1);
Index: sys/dev/iicbus/controller/qoriq/lx2160a_i2c_fdt.c
===================================================================
--- /dev/null
+++ sys/dev/iicbus/controller/qoriq/lx2160a_i2c_fdt.c
@@ -0,0 +1,107 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Pierre-Luc Drouin <pldrouin@pldrouin.net>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+/*
+ * LX2160A Family Inter-Integrated Circuit (I2C)
+ * Chapter 21, LX2160A Reference Manual, Rev. 1, 10/2021
+ */
+
+/*
+ * This driver is based on the Vybrid I2C driver by Ruslan Bukin and on earlier
+ * work by Val Packett
+*/
+
+#include <sys/cdefs.h>
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/malloc.h>
+#include <sys/rman.h>
+
+#include <dev/ofw/openfirm.h>
+#include <dev/ofw/ofw_bus.h>
+#include <dev/ofw/ofw_bus_subr.h>
+
+#include <dev/iicbus/iicbus.h>
+
+#include <dev/iicbus/controller/qoriq/lx2160a_i2c.h>
+
+static const struct ofw_compat_data i2c_compat_data[] = {
+ {"fsl,vf610-i2c", HW_VF610},
+ {NULL, }
+};
+
+static int
+i2c_fdt_probe(device_t dev)
+{
+
+ if (!ofw_bus_status_okay(dev))
+ return (ENXIO);
+
+ if (ofw_bus_search_compatible(dev, i2c_compat_data)->ocd_data == 0)
+ return (ENXIO);
+
+ device_set_desc(dev, LX2160A_I2C_DEVSTR);
+ return (BUS_PROBE_DEFAULT);
+}
+
+static int
+i2c_fdt_attach(device_t dev)
+{
+ struct i2c_softc *sc;
+
+ sc = device_get_softc(dev);
+ sc->dev = dev;
+ return (lx2160a_i2c_attach_common(dev));
+}
+
+static phandle_t
+i2c_get_node(device_t bus, device_t dev)
+{
+ return (ofw_bus_get_node(bus));
+}
+
+static device_method_t i2c_fdt_methods[] = {
+ DEVMETHOD(device_probe, i2c_fdt_probe),
+ DEVMETHOD(device_attach, i2c_fdt_attach),
+
+ DEVMETHOD(ofw_bus_get_node, i2c_get_node),
+
+ { 0, 0 }
+};
+
+DEFINE_CLASS_1(i2c, lx2160a_i2c_fdt_driver, i2c_fdt_methods,
+ sizeof(struct i2c_softc), lx2160a_i2c_driver);
+
+DRIVER_MODULE(lx2160a_i2c_fdt, simplebus, lx2160a_i2c_fdt_driver, 0, 0);
+DRIVER_MODULE(iicbus, lx2160a_i2c_fdt, iicbus_driver, 0, 0);
+DRIVER_MODULE(ofw_iicbus, lx2160a_i2c_fdt, ofw_iicbus_driver, 0, 0);
+MODULE_VERSION(lx2160a_i2c_fdt, 1);
+
Index: sys/modules/Makefile
===================================================================
--- sys/modules/Makefile
+++ sys/modules/Makefile
@@ -219,6 +219,8 @@
linuxkpi_wlan \
${_lio} \
lpt \
+ ${_lx2160a_i2c_acpi} \
+ ${_lx2160a_i2c_fdt} \
${_mac_biba} \
${_mac_bsdextended} \
${_mac_ddb} \
@@ -679,6 +681,7 @@
.if ${MACHINE_CPUARCH} == "aarch64"
_armv8crypto= armv8crypto
_dpaa2= dpaa2
+_lx2160a_i2c_acpi= lx2160a_i2c_acpi
_sff= sff
_em= em
_hyperv= hyperv
@@ -688,6 +691,7 @@
_dwwdt= dwwdt
_enetc= enetc
_felix= felix
+_lx2160a_i2c_fdt= lx2160a_i2c_fdt
_rockchip= rockchip
.endif
.endif
Index: sys/modules/lx2160a_i2c_acpi/Makefile
===================================================================
--- /dev/null
+++ sys/modules/lx2160a_i2c_acpi/Makefile
@@ -0,0 +1,9 @@
+
+.PATH: ${SRCTOP}/sys/dev/iicbus/controller/qoriq
+
+KMOD= lx2160a_i2c_acpi
+SRCS= lx2160a_i2c_acpi.c lx2160a_i2c.c lx2160a_i2c.h
+SRCS+= acpi_if.h device_if.h bus_if.h pci_if.h mmcbr_if.h iicbus_if.h
+SRCS+= opt_acpi.h opt_mmccam.h opt_platform.h
+
+.include <bsd.kmod.mk>
Index: sys/modules/lx2160a_i2c_fdt/Makefile
===================================================================
--- /dev/null
+++ sys/modules/lx2160a_i2c_fdt/Makefile
@@ -0,0 +1,9 @@
+
+.PATH: ${SRCTOP}/sys/dev/iicbus/controller/qoriq
+
+KMOD= lx2160a_i2c_fdt
+SRCS= lx2160a_i2c_fdt.c lx2160a_i2c.c lx2160a_i2c.h
+SRCS+= acpi_if.h device_if.h bus_if.h pci_if.h mmcbr_if.h iicbus_if.h
+SRCS+= opt_mmccam.h opt_platform.h ofw_bus_if.h
+
+.include <bsd.kmod.mk>

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