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// 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);
}
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