layerscape: add ls1088ardb device support

LS1088A is an ARMv8 implementation combining eight ARM A53 processor
cores. The LS1088ARDB is an evaluatoin platform that supports the
LS1088A family SoCs.

Features summary:
- Eight 64-bit ARM v8 Cortex-A53 CPUs
- Data path acceleration architecture 2.0 (DPAA2)
- Ethernet interfaces
- QUADSPI flash, 3 PCIe, 2 USB, 1 SD, 2 DUARTs etc

Signed-off-by: Yutang Jiang <yutang.jiang@nxp.com>

1 files changed, 54 insertions, 0 deletions

diff --git a/target/linux/layerscape/patches-4.4/7179-staging-fsl-mc-add-support-for-the-modalias-sysfs-at.patch b/target/linux/layerscape/patches-4.4/7179-staging-fsl-mc-add-support-for-the-modalias-sysfs-at.patch
new file mode 100644
index 0000000000..030c195f76
--- /dev/null
+++ b/target/linux/layerscape/patches-4.4/7179-staging-fsl-mc-add-support-for-the-modalias-sysfs-at.patch
@@ -0,0 +1,54 @@
+From 227c693741ce1fbf0ad146c87f03369334941f2e Mon Sep 17 00:00:00 2001
+From: Stuart Yoder <stuart.yoder@nxp.com>
+Date: Wed, 22 Jun 2016 16:40:42 -0500
+Subject: [PATCH 179/226] staging: fsl-mc: add support for the modalias sysfs
+ attribute
+
+In order to support uevent based module loading implement modalias support
+for the fsl-mc bus driver. Aliases are based on vendor and object/device
+id and are of the form "fsl-mc:vNdN".
+
+Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ drivers/staging/fsl-mc/bus/mc-bus.c |   25 +++++++++++++++++++++++++
+ 1 file changed, 25 insertions(+)
+
+--- a/drivers/staging/fsl-mc/bus/mc-bus.c
++++ b/drivers/staging/fsl-mc/bus/mc-bus.c
+@@ -82,10 +82,35 @@ static int fsl_mc_bus_uevent(struct devi
+ 	return 0;
+ }
+ 
++static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
++			     char *buf)
++{
++	struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);
++
++	return sprintf(buf, "fsl-mc:v%08Xd%s\n", mc_dev->obj_desc.vendor,
++		       mc_dev->obj_desc.type);
++}
++static DEVICE_ATTR_RO(modalias);
++
++static struct attribute *fsl_mc_dev_attrs[] = {
++	&dev_attr_modalias.attr,
++	NULL,
++};
++
++static const struct attribute_group fsl_mc_dev_group = {
++	.attrs = fsl_mc_dev_attrs,
++};
++
++static const struct attribute_group *fsl_mc_dev_groups[] = {
++	&fsl_mc_dev_group,
++	NULL,
++};
++
+ struct bus_type fsl_mc_bus_type = {
+ 	.name = "fsl-mc",
+ 	.match = fsl_mc_bus_match,
+ 	.uevent = fsl_mc_bus_uevent,
++	.dev_groups = fsl_mc_dev_groups,
+ };
+ EXPORT_SYMBOL_GPL(fsl_mc_bus_type);
+