From: Petr Cvek <petr.cvek@tul.cz>
Date: Mon, 28 Sep 2015 21:39:33 +0000 (+0200)
Subject: ARM: pxa: magician: Add support for PXA27x UDC
X-Git-Tag: firefly_0821_release~176^2~731^2~1^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=31134b515f94050723e8841232b7979e52db2601;p=firefly-linux-kernel-4.4.55.git

ARM: pxa: magician: Add support for PXA27x UDC

A PXA27x SoC supports USB device mode, this patch adds support for that.

Signed-off-by: Petr Cvek <petr.cvek@tul.cz>
Acked-by: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
---

diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index fe65b1e865fb..4a4e4789a1a5 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -47,6 +47,10 @@
 
 #include <linux/regulator/max1586.h>
 
+#include <linux/platform_data/pxa2xx_udc.h>
+#include <mach/udc.h>
+#include <mach/pxa27x-udc.h>
+
 #include "devices.h"
 #include "generic.h"
 
@@ -519,6 +523,23 @@ static struct platform_device pasic3 = {
 	},
 };
 
+/*
+ * PXA UDC
+ */
+
+static void magician_udc_command(int cmd)
+{
+	if (cmd == PXA2XX_UDC_CMD_CONNECT)
+		UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE;
+	else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
+		UP2OCR &= ~(UP2OCR_DPPUE | UP2OCR_DPPUBE);
+}
+
+static struct pxa2xx_udc_mach_info magician_udc_info __initdata = {
+	.udc_command	= magician_udc_command,
+	.gpio_pullup	= GPIO27_MAGICIAN_USBC_PUEN,
+};
+
 /*
  * USB device VBus detection
  */
@@ -926,6 +947,7 @@ static void __init magician_init(void)
 
 	pxa_set_mci_info(&magician_mci_info);
 	pxa_set_ohci_info(&magician_ohci_info);
+	pxa_set_udc_info(&magician_udc_info);
 
 	/* Check LCD type we have */
 	cpld = ioremap_nocache(PXA_CS3_PHYS, 0x1000);