mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 13:40:53 +07:00
86cad16087
We will be adding more da8xx-specific code for phy and clocks, so it will be better to have this in a separate file. This way we don't have a bunch of #ifdefs for all of the da8xx stuff. While at it, fix some checkpatch warnings coming from existing code. Signed-off-by: David Lechner <david@lechnology.com> [nsekhar@ti.com: typo and checkpatch fixes] Signed-off-by: Sekhar Nori <nsekhar@ti.com>
108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
/*
|
|
* DA8xx USB
|
|
*/
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/init.h>
|
|
#include <linux/platform_data/usb-davinci.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/usb/musb.h>
|
|
|
|
#include <mach/common.h>
|
|
#include <mach/cputype.h>
|
|
#include <mach/da8xx.h>
|
|
#include <mach/irqs.h>
|
|
|
|
#define DA8XX_USB0_BASE 0x01e00000
|
|
#define DA8XX_USB1_BASE 0x01e25000
|
|
|
|
#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 = "usb20",
|
|
.config = &musb_config,
|
|
};
|
|
|
|
static struct resource da8xx_usb20_resources[] = {
|
|
{
|
|
.start = DA8XX_USB0_BASE,
|
|
.end = DA8XX_USB0_BASE + SZ_64K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
{
|
|
.start = IRQ_DA8XX_USB_INT,
|
|
.flags = IORESOURCE_IRQ,
|
|
.name = "mc",
|
|
},
|
|
};
|
|
|
|
static u64 usb_dmamask = DMA_BIT_MASK(32);
|
|
|
|
static struct platform_device usb_dev = {
|
|
.name = "musb-da8xx",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &usb_data,
|
|
.dma_mask = &usb_dmamask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
},
|
|
.resource = da8xx_usb20_resources,
|
|
.num_resources = ARRAY_SIZE(da8xx_usb20_resources),
|
|
};
|
|
|
|
int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt)
|
|
{
|
|
usb_data.power = mA > 510 ? 255 : mA / 2;
|
|
usb_data.potpgt = (potpgt + 1) / 2;
|
|
|
|
return platform_device_register(&usb_dev);
|
|
}
|
|
|
|
#else
|
|
|
|
int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
#endif /* CONFIG_USB_MUSB_HDRC */
|
|
|
|
static struct resource da8xx_usb11_resources[] = {
|
|
[0] = {
|
|
.start = DA8XX_USB1_BASE,
|
|
.end = DA8XX_USB1_BASE + SZ_4K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = IRQ_DA8XX_IRQN,
|
|
.end = IRQ_DA8XX_IRQN,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32);
|
|
|
|
static struct platform_device da8xx_usb11_device = {
|
|
.name = "ohci",
|
|
.id = 0,
|
|
.dev = {
|
|
.dma_mask = &da8xx_usb11_dma_mask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
},
|
|
.num_resources = ARRAY_SIZE(da8xx_usb11_resources),
|
|
.resource = da8xx_usb11_resources,
|
|
};
|
|
|
|
int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata)
|
|
{
|
|
da8xx_usb11_device.dev.platform_data = pdata;
|
|
return platform_device_register(&da8xx_usb11_device);
|
|
}
|