linux-kernel - [PATCH v2 2/8] ohci-nxp: Device tree support

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Message-Id: <1334682507-15055-3-git-send-email-stigge@antcom.de>
Date:	Tue, 17 Apr 2012 19:08:21 +0200
From:	Roland Stigge <stigge@...com.de>
To:	arm@...nel.org, linux-arm-kernel@...ts.infradead.org,
	thierry.reding@...onic-design.de, gregkh@...uxfoundation.org,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-input@...r.kernel.org, dmitry.torokhov@...il.com,
	axel.lin@...il.com, broonie@...nsource.wolfsonmicro.com,
	marek.vasut@...il.com, devel@...verdev.osuosl.org,
	kevin.wells@....com, srinivas.bakki@....com
Cc:	Roland Stigge <stigge@...com.de>
Subject: [PATCH v2 2/8] ohci-nxp: Device tree support

This patch adds device tree support to ohci-nxp.c

Signed-off-by: Roland Stigge <stigge@...com.de>

---

Applies to v3.4-rc3

Changes since v1:
* Separated out cleanup patch

Thanks to Thierry Reding for reviewing!

 Documentation/devicetree/bindings/usb/ohci-nxp.txt |   16 ++++++++++++++++
 drivers/usb/host/ohci-nxp.c                        |   10 ++++++++++
 2 files changed, 26 insertions(+)

--- /dev/null
+++ linux-2.6/Documentation/devicetree/bindings/usb/ohci-nxp.txt
@@ -0,0 +1,16 @@
+* OHCI controller, NXP ohci-nxp variant
+
+Required properties:
+- compatible: must be "nxp,ohci-nxp"
+- reg: physical base address of the controller and length of memory mapped
+  region.
+- interrupts: The OHCI interrupt
+
+Example (LPC32xx):
+
+	ohci@...20000 {
+		compatible = "nxp,ohci-nxp";
+		reg = <0x31020000 0x300>;
+		interrupt-parent = <&mic>;
+		interrupts = <0x3b 0>;
+	};
--- linux-2.6.orig/drivers/usb/host/ohci-nxp.c
+++ linux-2.6/drivers/usb/host/ohci-nxp.c
@@ -22,6 +22,7 @@
 #include <linux/clk.h>
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
+#include <linux/of.h>
 
 #include <mach/hardware.h>
 #include <asm/mach-types.h>
@@ -526,10 +527,19 @@ static int usb_hcd_nxp_remove(struct pla
 /* work with hotplug and coldplug */
 MODULE_ALIAS("platform:usb-ohci");
 
+#ifdef CONFIG_OF
+static const struct of_device_id usb_hcd_nxp_match[] = {
+	{ .compatible = "nxp,ohci-nxp" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, usb_hcd_nxp_match);
+#endif
+
 static struct platform_driver usb_hcd_nxp_driver = {
 	.driver = {
 		.name = "usb-ohci",
 		.owner	= THIS_MODULE,
+		.of_match_table = of_match_ptr(usb_hcd_nxp_match),
 	},
 	.probe = usb_hcd_nxp_probe,
 	.remove = usb_hcd_nxp_remove,
--
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