[POWERPC] 83xx: USB device tree cleanups

Remove device_type = "usb" for 83xx SoC USB controller
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

Documentation/powerpc/booting-without-of.txt

@@ -1411,7 +1411,6 @@ platforms are moved over to use the flattened-device-tree model.
 
    Example multi port host USB controller device node :
 	usb@22000 {
-	        device_type = "usb";
 		compatible = "fsl-usb2-mph";
 		reg = <22000 1000>;
 		#address-cells = <1>;
@@ -1425,7 +1424,6 @@ platforms are moved over to use the flattened-device-tree model.
 
    Example dual role USB controller device node :
 	usb@23000 {
-		device_type = "usb";
 		compatible = "fsl-usb2-dr";
 		reg = <23000 1000>;
 		#address-cells = <1>;
@@ -1589,7 +1587,6 @@ platforms are moved over to use the flattened-device-tree model.
    iii) USB (Universal Serial Bus Controller)
 
    Required properties:
-   - device_type : should be "usb".
    - compatible : could be "qe_udc" or "fhci-hcd".
    - mode : the could be "host" or "slave".
    - reg : Offset and length of the register set for the device
@@ -1603,7 +1600,6 @@ platforms are moved over to use the flattened-device-tree model.
 
    Example(slave):
 	usb@6c0 {
-		device_type = "usb";
 		compatible = "qe_udc";
 		reg = <6c0 40>;
 		interrupts = <8b 0>;

arch/powerpc/boot/dts/mpc8313erdb.dts

@@ -92,7 +92,6 @@ spi@7000 {
 
 		/* phy type (ULPI, UTMI, UTMI_WIDE, SERIAL) */
 		usb@23000 {
-			device_type = "usb";
 			compatible = "fsl-usb2-dr";
 			reg = <23000 1000>;
 			#address-cells = <1>;

arch/powerpc/boot/dts/mpc832x_mds.dts

@@ -210,7 +210,6 @@ spi@500 {
 		};
 
 		usb@6c0 {
-			device_type = "usb";
 			compatible = "qe_udc";
 			reg = <6c0 40 8B00 100>;
 			interrupts = <b>;

arch/powerpc/boot/dts/mpc8349emitx.dts

@@ -91,7 +91,6 @@ spi@7000 {
 		};
 
 		usb@22000 {
-			device_type = "usb";
 			compatible = "fsl-usb2-mph";
 			reg = <22000 1000>;
 			#address-cells = <1>;
@@ -103,7 +102,6 @@ usb@22000 {
 		};
 
 		usb@23000 {
-			device_type = "usb";
 			compatible = "fsl-usb2-dr";
 			reg = <23000 1000>;
 			#address-cells = <1>;

arch/powerpc/boot/dts/mpc8349emitxgp.dts

@@ -89,7 +89,6 @@ spi@7000 {
 		};
 
 		usb@23000 {
-			device_type = "usb";
 			compatible = "fsl-usb2-dr";
 			reg = <23000 1000>;
 			#address-cells = <1>;

arch/powerpc/boot/dts/mpc834x_mds.dts

@@ -104,7 +104,6 @@ spi@7000 {
 		/* phy type (ULPI or SERIAL) are only types supportted for MPH */
 		/* port = 0 or 1 */
 		usb@22000 {
-			device_type = "usb";
 			compatible = "fsl-usb2-mph";
 			reg = <22000 1000>;
 			#address-cells = <1>;
@@ -116,7 +115,6 @@ usb@22000 {
 		};
 		/* phy type (ULPI, UTMI, UTMI_WIDE, SERIAL) */
 		usb@23000 {
-			device_type = "usb";
 			compatible = "fsl-usb2-dr";
 			reg = <23000 1000>;
 			#address-cells = <1>;

arch/powerpc/boot/dts/mpc836x_mds.dts

@@ -241,7 +241,6 @@ spi@500 {
 		};
 
 		usb@6c0 {
-			device_type = "usb";
 			compatible = "qe_udc";
 			reg = <6c0 40 8B00 100>;
 			interrupts = <b>;

arch/powerpc/platforms/83xx/usb.c

@@ -41,7 +41,7 @@ int mpc834x_usb_cfg(void)
 	sicrl = in_be32(immap + MPC83XX_SICRL_OFFS) & ~MPC834X_SICRL_USB_MASK;
 	sicrh = in_be32(immap + MPC83XX_SICRH_OFFS) & ~MPC834X_SICRH_USB_UTMI;
 
-	np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr");
+	np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr");
 	if (np) {
 		sccr |= MPC83XX_SCCR_USB_DRCM_11;  /* 1:3 */
 
@@ -67,7 +67,7 @@ int mpc834x_usb_cfg(void)
 		port0_is_dr = 1;
 		of_node_put(np);
 	}
-	np = of_find_compatible_node(NULL, "usb", "fsl-usb2-mph");
+	np = of_find_compatible_node(NULL, NULL, "fsl-usb2-mph");
 	if (np) {
 		sccr |= MPC83XX_SCCR_USB_MPHCM_11; /* 1:3 */
 
@@ -111,7 +111,7 @@ int mpc831x_usb_cfg(void)
 	const void *dr_mode;
 #endif
 
-	np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr");
+	np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr");
 	if (!np)
 		return -ENODEV;
 	prop = of_get_property(np, "phy_type", NULL);
@@ -188,7 +188,7 @@ int mpc837x_usb_cfg(void)
 	const void *prop;
 	int ret = 0;
 
-	np = of_find_compatible_node(NULL, "usb", "fsl-usb2-dr");
+	np = of_find_compatible_node(NULL, NULL, "fsl-usb2-dr");
 	if (!np)
 		return -ENODEV;
 	prop = of_get_property(np, "phy_type", NULL);

arch/powerpc/sysdev/fsl_soc.c

@@ -531,14 +531,12 @@ static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 static int __init fsl_usb_of_init(void)
 {
 	struct device_node *np;
-	unsigned int i;
+	unsigned int i = 0;
 	struct platform_device *usb_dev_mph = NULL, *usb_dev_dr_host = NULL,
 		*usb_dev_dr_client = NULL;
 	int ret;
 
-	for (np = NULL, i = 0;
-	     (np = of_find_compatible_node(np, "usb", "fsl-usb2-mph")) != NULL;
-	     i++) {
+	for_each_compatible_node(np, NULL, "fsl-usb2-mph") {
 		struct resource r[2];
 		struct fsl_usb2_platform_data usb_data;
 		const unsigned char *prop = NULL;
@@ -581,11 +579,10 @@ static int __init fsl_usb_of_init(void)
 						    fsl_usb2_platform_data));
 		if (ret)
 			goto unreg_mph;
+		i++;
 	}
 
-	for (np = NULL;
-	     (np = of_find_compatible_node(np, "usb", "fsl-usb2-dr")) != NULL;
-	     i++) {
+	for_each_compatible_node(np, NULL, "fsl-usb2-dr") {
 		struct resource r[2];
 		struct fsl_usb2_platform_data usb_data;
 		const unsigned char *prop = NULL;
@@ -657,6 +654,7 @@ static int __init fsl_usb_of_init(void)
 						fsl_usb2_platform_data))))
 				goto unreg_dr;
 		}
+		i++;
 	}
 	return 0;