Author: br
Date: Tue Jul 22 04:39:32 2014
New Revision: 268977
URL: http://svnweb.freebsd.org/changeset/base/268977
Log:
Enable Freescale i.MX I2C driver for i.MX6.
Modified:
head/sys/arm/conf/IMX6
head/sys/arm/freescale/imx/files.imx6
head/sys/arm/freescale/imx/imx_i2c.c
head/sys/boot/fdt/dts/arm/imx6.dtsi
Modified: head/sys/arm/conf/IMX6
==============================================================================
--- head/sys/arm/conf/IMX6 Tue Jul 22 04:39:16 2014 (r268976)
+++ head/sys/arm/conf/IMX6 Tue Jul 22 04:39:32 2014 (r268977)
@@ -154,8 +154,8 @@ options FREEBSD_BOOT_LOADER # Process
# SoC-specific devices
device ffec # Freescale Fast Ethernet Controller
-#device fsliic # Freescale i2c/iic (not ready yet)
-#device iic # iic protocol
-#device iicbus # iic bus
+device fsliic # Freescale i2c/iic
+device iic # iic protocol
+device iicbus # iic bus
#device imxwdt # Watchdog. WARNING: can't be
disabled!!!
Modified: head/sys/arm/freescale/imx/files.imx6
==============================================================================
--- head/sys/arm/freescale/imx/files.imx6 Tue Jul 22 04:39:16 2014
(r268976)
+++ head/sys/arm/freescale/imx/files.imx6 Tue Jul 22 04:39:32 2014
(r268977)
@@ -27,6 +27,7 @@ arm/freescale/imx/imx6_pl310.c standard
arm/freescale/imx/imx_machdep.c standard
arm/freescale/imx/imx_gpt.c standard
arm/freescale/imx/imx_gpio.c optional gpio
+arm/freescale/imx/imx_i2c.c optional fsliic
#
# Optional devices.
@@ -52,5 +53,4 @@ arm/freescale/imx/imx6_usbphy.c optiona
#
#arm/freescale/imx/imx51_iomux.c optional iomux
#dev/ata/chipsets/ata-fsl.c optional imxata
-#arm/freescale/imx/imx_i2c.c optional fsliic
#arm/freescale/imx/imx51_ipuv3.c optional sc
Modified: head/sys/arm/freescale/imx/imx_i2c.c
==============================================================================
--- head/sys/arm/freescale/imx/imx_i2c.c Tue Jul 22 04:39:16 2014
(r268976)
+++ head/sys/arm/freescale/imx/imx_i2c.c Tue Jul 22 04:39:32 2014
(r268977)
@@ -86,6 +86,12 @@ __FBSDID("$FreeBSD$");
#define debugf(fmt, args...)
#endif
+static struct ofw_compat_data compat_data[] = {
+ {"fsl,imx6q-i2c", 1},
+ {"fsl,imx-i2c", 1},
+ {NULL, 0}
+};
+
struct i2c_softc {
device_t dev;
device_t iicbus;
@@ -227,7 +233,7 @@ i2c_probe(device_t dev)
if (!ofw_bus_status_okay(dev))
return (ENXIO);
- if (!ofw_bus_is_compatible(dev, "fsl,imx-i2c"))
+ if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
return (ENXIO);
sc = device_get_softc(dev);
@@ -246,7 +252,7 @@ i2c_probe(device_t dev)
/* Enable I2C */
i2c_write_reg(sc, I2C_CONTROL_REG, I2CCR_MEN);
bus_release_resource(dev, SYS_RES_MEMORY, sc->rid, sc->res);
- device_set_desc(dev, "I2C bus controller");
+ device_set_desc(dev, "Freescale i.MX I2C bus controller");
return (BUS_PROBE_DEFAULT);
}
Modified: head/sys/boot/fdt/dts/arm/imx6.dtsi
==============================================================================
--- head/sys/boot/fdt/dts/arm/imx6.dtsi Tue Jul 22 04:39:16 2014
(r268976)
+++ head/sys/boot/fdt/dts/arm/imx6.dtsi Tue Jul 22 04:39:32 2014
(r268977)
@@ -338,6 +338,27 @@
reg = <0x02100000 0x00100000>;
ranges;
+ i2c1: i2c@021a0000 {
+ compatible = "fsl,imx6q-i2c";
+ reg = <0x021a0000 0x4000>;
+ interrupts = < 68 >;
+ status = "disabled";
+ };
+
+ i2c2: i2c@021a4000 {
+ compatible = "fsl,imx6q-i2c";
+ reg = <0x021a4000 0x4000>;
+ interrupts = < 69 >;
+ status = "disabled";
+ };
+
+ i2c3: i2c@021ac000 {
+ compatible = "fsl,imx6q-i2c";
+ reg = <0x021a8000 0x4000>;
+ interrupts = < 70 >;
+ status = "disabled";
+ };
+
fec1: ethernet@02188000 {
compatible = "fsl,imx6q-fec";
reg = <0x02188000 0x4000>;
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