[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/arm/mach-davinci/usb.c b/src/kernel/linux/v4.14/arch/arm/mach-davinci/usb.c
new file mode 100644
index 0000000..31ed7aa
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/arm/mach-davinci/usb.c
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * USB
+ */
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/dma-mapping.h>
+
+#include <linux/usb/musb.h>
+
+#include <mach/common.h>
+#include <mach/irqs.h>
+#include <mach/cputype.h>
+#include <linux/platform_data/usb-davinci.h>
+
+#define DAVINCI_USB_OTG_BASE 0x01c64000
+
+#if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
+static struct musb_hdrc_config musb_config = {
+ .multipoint = true,
+
+ .num_eps = 5,
+ .ram_bits = 10,
+};
+
+static struct musb_hdrc_platform_data usb_data = {
+ /* OTG requires a Mini-AB connector */
+ .mode = MUSB_OTG,
+ .clock = "usb",
+ .config = &musb_config,
+};
+
+static struct resource usb_resources[] = {
+ {
+ /* physical address */
+ .start = DAVINCI_USB_OTG_BASE,
+ .end = DAVINCI_USB_OTG_BASE + 0x5ff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_USBINT,
+ .flags = IORESOURCE_IRQ,
+ .name = "mc"
+ },
+ {
+ /* placeholder for the dedicated CPPI IRQ */
+ .flags = IORESOURCE_IRQ,
+ .name = "dma"
+ },
+};
+
+static u64 usb_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device usb_dev = {
+ .name = "musb-davinci",
+ .id = -1,
+ .dev = {
+ .platform_data = &usb_data,
+ .dma_mask = &usb_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+ .resource = usb_resources,
+ .num_resources = ARRAY_SIZE(usb_resources),
+};
+
+void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
+{
+ usb_data.power = mA > 510 ? 255 : mA / 2;
+ usb_data.potpgt = (potpgt_ms + 1) / 2;
+
+ if (cpu_is_davinci_dm646x()) {
+ /* Override the defaults as DM6467 uses different IRQs. */
+ usb_dev.resource[1].start = IRQ_DM646X_USBINT;
+ usb_dev.resource[2].start = IRQ_DM646X_USBDMAINT;
+ } else /* other devices don't have dedicated CPPI IRQ */
+ usb_dev.num_resources = 2;
+
+ platform_device_register(&usb_dev);
+}
+
+#else
+
+void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
+{
+}
+
+#endif /* CONFIG_USB_MUSB_HDRC */