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authorJeremy Linton <jeremy.linton@arm.com>2015-08-20 00:36:32 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-10-04 12:47:13 +0300
commit776c15d0ad0c7534be4e7a1b980ee933ef7c4387 (patch)
tree7db40995e348a3003233a9cfa95b294eac5590ec /drivers/usb/host/ehci-platform.c
parent17f69b5fa6f642898a7dae16dee6997869b1f234 (diff)
downloadlinux-776c15d0ad0c7534be4e7a1b980ee933ef7c4387.tar.xz
USB: ehci-platform: Add ACPI bindings for the EHCI platform driver.
This enables USB on the ARM juno board when booted with an ACPI kernel. The PNP id comes from the PNP/ACPI registry and describes an EHCI controller without debug. Tested-by: Huang Shijie <shijie.huang@arm.com> Reviewed-by: Graeme Gregory <graeme.gregory@linaro.org> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org> Acked-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Jeremy Linton <jeremy.linton@arm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/ehci-platform.c')
-rw-r--r--drivers/usb/host/ehci-platform.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index d9144d5ab794..bd7082f297bb 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -19,6 +19,7 @@
*
* Licensed under the GNU/GPL. See COPYING for details.
*/
+#include <linux/acpi.h>
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/err.h>
@@ -387,6 +388,12 @@ static const struct of_device_id vt8500_ehci_ids[] = {
};
MODULE_DEVICE_TABLE(of, vt8500_ehci_ids);
+static const struct acpi_device_id ehci_acpi_match[] = {
+ { "PNP0D20", 0 }, /* EHCI controller without debug */
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, ehci_acpi_match);
+
static const struct platform_device_id ehci_platform_table[] = {
{ "ehci-platform", 0 },
{ }
@@ -405,6 +412,7 @@ static struct platform_driver ehci_platform_driver = {
.name = "ehci-platform",
.pm = &ehci_platform_pm_ops,
.of_match_table = vt8500_ehci_ids,
+ .acpi_match_table = ACPI_PTR(ehci_acpi_match),
}
};