147 lines
3.4 KiB
C
147 lines
3.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* DA8xx USB
|
|
*/
|
|
#include <linux/clk-provider.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/init.h>
|
|
#include <linux/mfd/da8xx-cfgchip.h>
|
|
#include <linux/mfd/syscon.h>
|
|
#include <linux/phy/phy.h>
|
|
#include <linux/platform_data/clk-da8xx-cfgchip.h>
|
|
#include <linux/platform_data/phy-da8xx-usb.h>
|
|
#include <linux/platform_data/usb-davinci.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/usb/musb.h>
|
|
|
|
#include "common.h"
|
|
#include "cputype.h"
|
|
#include "da8xx.h"
|
|
#include "irqs.h"
|
|
|
|
#define DA8XX_USB0_BASE 0x01e00000
|
|
#define DA8XX_USB1_BASE 0x01e25000
|
|
|
|
#ifndef CONFIG_COMMON_CLK
|
|
static struct clk *usb20_clk;
|
|
#endif
|
|
|
|
static struct da8xx_usb_phy_platform_data da8xx_usb_phy_pdata;
|
|
|
|
static struct platform_device da8xx_usb_phy = {
|
|
.name = "da8xx-usb-phy",
|
|
.id = -1,
|
|
.dev = {
|
|
/*
|
|
* Setting init_name so that clock lookup will work in
|
|
* da8xx_register_usb11_phy_clk() even if this device is not
|
|
* registered yet.
|
|
*/
|
|
.init_name = "da8xx-usb-phy",
|
|
.platform_data = &da8xx_usb_phy_pdata,
|
|
},
|
|
};
|
|
|
|
int __init da8xx_register_usb_phy(void)
|
|
{
|
|
da8xx_usb_phy_pdata.cfgchip = da8xx_get_cfgchip();
|
|
|
|
return platform_device_register(&da8xx_usb_phy);
|
|
}
|
|
|
|
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 = DAVINCI_INTC_IRQ(IRQ_DA8XX_USB_INT),
|
|
.flags = IORESOURCE_IRQ,
|
|
.name = "mc",
|
|
},
|
|
};
|
|
|
|
static u64 usb_dmamask = DMA_BIT_MASK(32);
|
|
|
|
static struct platform_device da8xx_usb20_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(&da8xx_usb20_dev);
|
|
}
|
|
|
|
static struct resource da8xx_usb11_resources[] = {
|
|
[0] = {
|
|
.start = DA8XX_USB1_BASE,
|
|
.end = DA8XX_USB1_BASE + SZ_4K - 1,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = DAVINCI_INTC_IRQ(IRQ_DA8XX_IRQN),
|
|
.end = DAVINCI_INTC_IRQ(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-da8xx",
|
|
.id = -1,
|
|
.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);
|
|
}
|
|
|
|
static struct platform_device da8xx_usb_phy_clks_device = {
|
|
.name = "da830-usb-phy-clks",
|
|
.id = -1,
|
|
};
|
|
|
|
int __init da8xx_register_usb_phy_clocks(void)
|
|
{
|
|
struct da8xx_cfgchip_clk_platform_data pdata;
|
|
|
|
pdata.cfgchip = da8xx_get_cfgchip();
|
|
da8xx_usb_phy_clks_device.dev.platform_data = &pdata;
|
|
|
|
return platform_device_register(&da8xx_usb_phy_clks_device);
|
|
}
|