[linux-2.6-block.git] / arch / arm / mach-davinci / usb-da8xx.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 <mach/common.h>
#include <mach/cputype.h>
#include <mach/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);
}
Commit	Line	Data
b2441318	1	// SPDX-License-Identifier: GPL-2.0
86cad160 DL	2	/*
	3	* DA8xx USB
	4	*/
5411bad4	5	#include <linux/clk-provider.h>
0004b02a	6	#include <linux/delay.h>
86cad160 DL	7	#include <linux/dma-mapping.h>
86cad160 DL	8	#include <linux/init.h>
0004b02a	9	#include <linux/mfd/da8xx-cfgchip.h>
5411bad4	10	#include <linux/mfd/syscon.h>
9b504750	11	#include <linux/phy/phy.h>
5411bad4	12	#include <linux/platform_data/clk-da8xx-cfgchip.h>
bdec5a6b	13	#include <linux/platform_data/phy-da8xx-usb.h>
86cad160 DL	14	#include <linux/platform_data/usb-davinci.h>
	15	#include <linux/platform_device.h>
	16	#include <linux/usb/musb.h>
	17
	18	#include <mach/common.h>
	19	#include <mach/cputype.h>
	20	#include <mach/da8xx.h>
544ca0b0 BG	21
544ca0b0 BG	22	#include "irqs.h"
86cad160 DL	23
	24	#define DA8XX_USB0_BASE 0x01e00000
	25	#define DA8XX_USB1_BASE 0x01e25000
	26
5411bad4	27	#ifndef CONFIG_COMMON_CLK
d1df1e01	28	static struct clk *usb20_clk;
5411bad4	29	#endif
d1df1e01	30
3424a516 DL	31	static struct da8xx_usb_phy_platform_data da8xx_usb_phy_pdata;
3424a516 DL	32
9b504750 DL	33	static struct platform_device da8xx_usb_phy = {
	34	.name = "da8xx-usb-phy",
	35	.id = -1,
0004b02a DL	36	.dev = {
	37	/*
	38	* Setting init_name so that clock lookup will work in
	39	* da8xx_register_usb11_phy_clk() even if this device is not
	40	* registered yet.
	41	*/
	42	.init_name = "da8xx-usb-phy",
3424a516	43	.platform_data = &da8xx_usb_phy_pdata,
0004b02a	44	},
9b504750 DL	45	};
	46
	47	int __init da8xx_register_usb_phy(void)
	48	{
3424a516	49	da8xx_usb_phy_pdata.cfgchip = da8xx_get_cfgchip();
bdec5a6b	50
9b504750 DL	51	return platform_device_register(&da8xx_usb_phy);
	52	}
	53
86cad160 DL	54	static struct musb_hdrc_config musb_config = {
	55	.multipoint = true,
	56	.num_eps = 5,
	57	.ram_bits = 10,
	58	};
	59
	60	static struct musb_hdrc_platform_data usb_data = {
	61	/* OTG requires a Mini-AB connector */
	62	.mode = MUSB_OTG,
	63	.clock = "usb20",
	64	.config = &musb_config,
	65	};
	66
	67	static struct resource da8xx_usb20_resources[] = {
	68	{
	69	.start = DA8XX_USB0_BASE,
	70	.end = DA8XX_USB0_BASE + SZ_64K - 1,
	71	.flags = IORESOURCE_MEM,
	72	},
	73	{
a98ca73e	74	.start = DAVINCI_INTC_IRQ(IRQ_DA8XX_USB_INT),
86cad160 DL	75	.flags = IORESOURCE_IRQ,
	76	.name = "mc",
	77	},
	78	};
	79
	80	static u64 usb_dmamask = DMA_BIT_MASK(32);
	81
0004b02a	82	static struct platform_device da8xx_usb20_dev = {
86cad160 DL	83	.name = "musb-da8xx",
	84	.id = -1,
	85	.dev = {
	86	.platform_data = &usb_data,
	87	.dma_mask = &usb_dmamask,
	88	.coherent_dma_mask = DMA_BIT_MASK(32),
	89	},
	90	.resource = da8xx_usb20_resources,
	91	.num_resources = ARRAY_SIZE(da8xx_usb20_resources),
	92	};
	93
	94	int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt)
	95	{
	96	usb_data.power = mA > 510 ? 255 : mA / 2;
	97	usb_data.potpgt = (potpgt + 1) / 2;
	98
0004b02a	99	return platform_device_register(&da8xx_usb20_dev);
86cad160 DL	100	}
86cad160 DL	101
86cad160 DL	102	static struct resource da8xx_usb11_resources[] = {
	103	[0] = {
	104	.start = DA8XX_USB1_BASE,
	105	.end = DA8XX_USB1_BASE + SZ_4K - 1,
	106	.flags = IORESOURCE_MEM,
	107	},
	108	[1] = {
a98ca73e BG	109	.start = DAVINCI_INTC_IRQ(IRQ_DA8XX_IRQN),
a98ca73e BG	110	.end = DAVINCI_INTC_IRQ(IRQ_DA8XX_IRQN),
86cad160 DL	111	.flags = IORESOURCE_IRQ,
	112	},
	113	};
	114
	115	static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32);
	116
	117	static struct platform_device da8xx_usb11_device = {
8439a1d7 AH	118	.name = "ohci-da8xx",
8439a1d7 AH	119	.id = -1,
86cad160 DL	120	.dev = {
	121	.dma_mask = &da8xx_usb11_dma_mask,
	122	.coherent_dma_mask = DMA_BIT_MASK(32),
	123	},
	124	.num_resources = ARRAY_SIZE(da8xx_usb11_resources),
	125	.resource = da8xx_usb11_resources,
	126	};
	127
	128	int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata)
	129	{
	130	da8xx_usb11_device.dev.platform_data = pdata;
	131	return platform_device_register(&da8xx_usb11_device);
	132	}
0004b02a	133
5411bad4 DL	134	static struct platform_device da8xx_usb_phy_clks_device = {
	135	.name = "da830-usb-phy-clks",
	136	.id = -1,
	137	};
	138
	139	int __init da8xx_register_usb_phy_clocks(void)
	140	{
	141	struct da8xx_cfgchip_clk_platform_data pdata;
	142
	143	pdata.cfgchip = da8xx_get_cfgchip();
	144	da8xx_usb_phy_clks_device.dev.platform_data = &pdata;
	145
	146	return platform_device_register(&da8xx_usb_phy_clks_device);
	147	}