devices.c

// SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/dma-mapping.h>
#include <linux/dmaengine.h>
#include <linux/gpio-pxa.h>
#include <linux/platform_data/i2c-pxa.h>
#include <linux/soc/pxa/cpu.h>

#include "udc.h"
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/mmc-pxamci.h>
#include "irqs.h"
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <linux/platform_data/mmp_dma.h>

#include "mfp-pxa2xx.h"
#include "regs-ost.h"
#include "reset.h"
#include "devices.h"
#include "generic.h"

void __init pxa_register_device(struct platform_device *dev, void *data)
{
	int ret;

	dev->dev.platform_data = data;

	ret = platform_device_register(dev);
	if (ret)
		dev_err(&dev->dev, "unable to register device: %d\n", ret);
}

static struct resource pxa_resource_pmu = {
	.start	= IRQ_PMU,
	.end	= IRQ_PMU,
	.flags	= IORESOURCE_IRQ,
};

struct platform_device pxa_device_pmu = {
	.name		= "xscale-pmu",
	.id		= -1,
	.resource	= &pxa_resource_pmu,
	.num_resources	= 1,
};

static const struct resource pxamci_resources[] = {
	[0] = {
		.start	= 0x41100000,
		.end	= 0x41100fff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_MMC,
		.end	= IRQ_MMC,
		.flags	= IORESOURCE_IRQ,
	},
};

void __init pxa_set_mci_info(const struct pxamci_platform_data *info,
			     const struct property_entry *props)
{
	const struct platform_device_info mci_info = {
		.name		= "pxa2xx-mci",
		.id		= 0,
		.res		= pxamci_resources,
		.num_res	= ARRAY_SIZE(pxamci_resources),
		.data		= info,
		.size_data	= sizeof(*info),
		.dma_mask	= 0xffffffffUL,
		.properties	= props,
	};
	struct platform_device *mci_dev;
	int err;

	mci_dev = platform_device_register_full(&mci_info);
	err = PTR_ERR_OR_ZERO(mci_dev);
	if (err)
		pr_err("Unable to create mci device: %d\n", err);
}

static struct pxa2xx_udc_mach_info pxa_udc_info = {
	.gpio_pullup = -1,
};

static struct resource pxa2xx_udc_resources[] = {
	[0] = {
		.start	= 0x40600000,
		.end	= 0x4060ffff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_USB,
		.end	= IRQ_USB,
		.flags	= IORESOURCE_IRQ,
	},
};

static u64 udc_dma_mask = ~(u32)0;

struct platform_device pxa25x_device_udc = {
	.name		= "pxa25x-udc",
	.id		= -1,
	.resource	= pxa2xx_udc_resources,
	.num_resources	= ARRAY_SIZE(pxa2xx_udc_resources),
	.dev		=  {
		.platform_data	= &pxa_udc_info,
		.dma_mask	= &udc_dma_mask,
	}
};

struct platform_device pxa27x_device_udc = {
	.name		= "pxa27x-udc",
	.id		= -1,
	.resource	= pxa2xx_udc_resources,
	.num_resources	= ARRAY_SIZE(pxa2xx_udc_resources),
	.dev		=  {
		.platform_data	= &pxa_udc_info,
		.dma_mask	= &udc_dma_mask,
	}
};

static struct resource pxafb_resources[] = {
	[0] = {
		.start	= 0x44000000,
		.end	= 0x4400ffff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_LCD,
		.end	= IRQ_LCD,
		.flags	= IORESOURCE_IRQ,
	},
};

static u64 fb_dma_mask = ~(u64)0;

struct platform_device pxa_device_fb = {
	.name		= "pxa2xx-fb",
	.id		= -1,
	.dev		= {
		.dma_mask	= &fb_dma_mask,
		.coherent_dma_mask = 0xffffffff,
	},
	.num_resources	= ARRAY_SIZE(pxafb_resources),
	.resource	= pxafb_resources,
};

void __init pxa_set_fb_info(struct device *parent, struct pxafb_mach_info *info)
{
	pxa_device_fb.dev.parent = parent;
	pxa_register_device(&pxa_device_fb, info);
}

static struct resource pxa_resource_ffuart[] = {
	{
		.start	= 0x40100000,
		.end	= 0x40100023,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_FFUART,
		.end	= IRQ_FFUART,
		.flags	= IORESOURCE_IRQ,
	}
};

struct platform_device pxa_device_ffuart = {
	.name		= "pxa2xx-uart",
	.id		= 0,
	.resource	= pxa_resource_ffuart,
	.num_resources	= ARRAY_SIZE(pxa_resource_ffuart),
};

void __init pxa_set_ffuart_info(void *info)
{
	pxa_register_device(&pxa_device_ffuart, info);
}

static struct resource pxa_resource_btuart[] = {
	{
		.start	= 0x40200000,
		.end	= 0x40200023,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_BTUART,
		.end	= IRQ_BTUART,
		.flags	= IORESOURCE_IRQ,
	}
};

struct platform_device pxa_device_btuart = {
	.name		= "pxa2xx-uart",
	.id		= 1,
	.resource	= pxa_resource_btuart,
	.num_resources	= ARRAY_SIZE(pxa_resource_btuart),
};

void __init pxa_set_btuart_info(void *info)
{
	pxa_register_device(&pxa_device_btuart, info);
}

static struct resource pxa_resource_stuart[] = {
	{
		.start	= 0x40700000,
		.end	= 0x40700023,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_STUART,
		.end	= IRQ_STUART,
		.flags	= IORESOURCE_IRQ,
	}
};

struct platform_device pxa_device_stuart = {
	.name		= "pxa2xx-uart",
	.id		= 2,
	.resource	= pxa_resource_stuart,
	.num_resources	= ARRAY_SIZE(pxa_resource_stuart),
};

void __init pxa_set_stuart_info(void *info)
{
	pxa_register_device(&pxa_device_stuart, info);
}

static struct resource pxa_resource_hwuart[] = {
	{
		.start	= 0x41600000,
		.end	= 0x4160002F,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_HWUART,
		.end	= IRQ_HWUART,
		.flags	= IORESOURCE_IRQ,
	}
};

struct platform_device pxa_device_hwuart = {
	.name		= "pxa2xx-uart",
	.id		= 3,
	.resource	= pxa_resource_hwuart,
	.num_resources	= ARRAY_SIZE(pxa_resource_hwuart),
};

void __init pxa_set_hwuart_info(void *info)
{
	if (cpu_is_pxa255())
		pxa_register_device(&pxa_device_hwuart, info);
	else
		pr_info("UART: Ignoring attempt to register HWUART on non-PXA255 hardware");
}

static struct resource pxai2c_resources[] = {
	{
		.start	= 0x40301680,
		.end	= 0x403016a3,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_I2C,
		.end	= IRQ_I2C,
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa_device_i2c = {
	.name		= "pxa2xx-i2c",
	.id		= 0,
	.resource	= pxai2c_resources,
	.num_resources	= ARRAY_SIZE(pxai2c_resources),
};

void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info)
{
	pxa_register_device(&pxa_device_i2c, info);
}

#ifdef CONFIG_PXA27x
static struct resource pxa27x_resources_i2c_power[] = {
	{
		.start	= 0x40f00180,
		.end	= 0x40f001a3,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_PWRI2C,
		.end	= IRQ_PWRI2C,
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa27x_device_i2c_power = {
	.name		= "pxa2xx-i2c",
	.id		= 1,
	.resource	= pxa27x_resources_i2c_power,
	.num_resources	= ARRAY_SIZE(pxa27x_resources_i2c_power),
};
#endif

static struct resource pxai2s_resources[] = {
	{
		.start	= 0x40400000,
		.end	= 0x40400083,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_I2S,
		.end	= IRQ_I2S,
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa_device_i2s = {
	.name		= "pxa2xx-i2s",
	.id		= -1,
	.resource	= pxai2s_resources,
	.num_resources	= ARRAY_SIZE(pxai2s_resources),
};

struct platform_device pxa_device_asoc_ssp1 = {
	.name		= "pxa-ssp-dai",
	.id		= 0,
};

struct platform_device pxa_device_asoc_ssp2= {
	.name		= "pxa-ssp-dai",
	.id		= 1,
};

struct platform_device pxa_device_asoc_ssp3 = {
	.name		= "pxa-ssp-dai",
	.id		= 2,
};

struct platform_device pxa_device_asoc_ssp4 = {
	.name		= "pxa-ssp-dai",
	.id		= 3,
};

struct platform_device pxa_device_asoc_platform = {
	.name		= "pxa-pcm-audio",
	.id		= -1,
};

static struct resource pxa_rtc_resources[] = {
	[0] = {
		.start  = 0x40900000,
		.end	= 0x40900000 + 0x3b,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = IRQ_RTC1Hz,
		.end    = IRQ_RTC1Hz,
		.name	= "rtc 1Hz",
		.flags  = IORESOURCE_IRQ,
	},
	[2] = {
		.start  = IRQ_RTCAlrm,
		.end    = IRQ_RTCAlrm,
		.name	= "rtc alarm",
		.flags  = IORESOURCE_IRQ,
	},
};

struct platform_device pxa_device_rtc = {
	.name		= "pxa-rtc",
	.id		= -1,
	.num_resources  = ARRAY_SIZE(pxa_rtc_resources),
	.resource       = pxa_rtc_resources,
};

struct platform_device sa1100_device_rtc = {
	.name		= "sa1100-rtc",
	.id		= -1,
	.num_resources  = ARRAY_SIZE(pxa_rtc_resources),
	.resource       = pxa_rtc_resources,
};

#ifdef CONFIG_PXA25x

static struct resource pxa25x_resource_pwm0[] = {
	[0] = {
		.start	= 0x40b00000,
		.end	= 0x40b0000f,
		.flags	= IORESOURCE_MEM,
	},
};

struct platform_device pxa25x_device_pwm0 = {
	.name		= "pxa25x-pwm",
	.id		= 0,
	.resource	= pxa25x_resource_pwm0,
	.num_resources	= ARRAY_SIZE(pxa25x_resource_pwm0),
};

static struct resource pxa25x_resource_pwm1[] = {
	[0] = {
		.start	= 0x40c00000,
		.end	= 0x40c0000f,
		.flags	= IORESOURCE_MEM,
	},
};

struct platform_device pxa25x_device_pwm1 = {
	.name		= "pxa25x-pwm",
	.id		= 1,
	.resource	= pxa25x_resource_pwm1,
	.num_resources	= ARRAY_SIZE(pxa25x_resource_pwm1),
};

static u64 pxa25x_ssp_dma_mask = DMA_BIT_MASK(32);

static struct resource pxa25x_resource_ssp[] = {
	[0] = {
		.start	= 0x41000000,
		.end	= 0x4100001f,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_SSP,
		.end	= IRQ_SSP,
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa25x_device_ssp = {
	.name		= "pxa25x-ssp",
	.id		= 0,
	.dev		= {
		.dma_mask = &pxa25x_ssp_dma_mask,
		.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	.resource	= pxa25x_resource_ssp,
	.num_resources	= ARRAY_SIZE(pxa25x_resource_ssp),
};

static u64 pxa25x_nssp_dma_mask = DMA_BIT_MASK(32);

static struct resource pxa25x_resource_nssp[] = {
	[0] = {
		.start	= 0x41400000,
		.end	= 0x4140002f,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_NSSP,
		.end	= IRQ_NSSP,
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa25x_device_nssp = {
	.name		= "pxa25x-nssp",
	.id		= 1,
	.dev		= {
		.dma_mask = &pxa25x_nssp_dma_mask,
		.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	.resource	= pxa25x_resource_nssp,
	.num_resources	= ARRAY_SIZE(pxa25x_resource_nssp),
};

static u64 pxa25x_assp_dma_mask = DMA_BIT_MASK(32);

static struct resource pxa25x_resource_assp[] = {
	[0] = {
		.start	= 0x41500000,
		.end	= 0x4150002f,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_ASSP,
		.end	= IRQ_ASSP,
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa25x_device_assp = {
	/* ASSP is basically equivalent to NSSP */
	.name		= "pxa25x-nssp",
	.id		= 2,
	.dev		= {
		.dma_mask = &pxa25x_assp_dma_mask,
		.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	.resource	= pxa25x_resource_assp,
	.num_resources	= ARRAY_SIZE(pxa25x_resource_assp),
};
#endif /* CONFIG_PXA25x */

#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
static u64 pxa27x_ohci_dma_mask = DMA_BIT_MASK(32);

static struct resource pxa27x_resource_ohci[] = {
	[0] = {
		.start  = 0x4C000000,
		.end    = 0x4C00ff6f,
		.flags  = IORESOURCE_MEM,
	},
	[1] = {
		.start  = IRQ_USBH1,
		.end    = IRQ_USBH1,
		.flags  = IORESOURCE_IRQ,
	},
};

struct platform_device pxa27x_device_ohci = {
	.name		= "pxa27x-ohci",
	.id		= -1,
	.dev		= {
		.dma_mask = &pxa27x_ohci_dma_mask,
		.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	.num_resources  = ARRAY_SIZE(pxa27x_resource_ohci),
	.resource       = pxa27x_resource_ohci,
};

void __init pxa_set_ohci_info(struct pxaohci_platform_data *info)
{
	pxa_register_device(&pxa27x_device_ohci, info);
}
#endif /* CONFIG_PXA27x || CONFIG_PXA3xx */

#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
static u64 pxa27x_ssp1_dma_mask = DMA_BIT_MASK(32);

static struct resource pxa27x_resource_ssp1[] = {
	[0] = {
		.start	= 0x41000000,
		.end	= 0x4100003f,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_SSP,
		.end	= IRQ_SSP,
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa27x_device_ssp1 = {
	.name		= "pxa27x-ssp",
	.id		= 0,
	.dev		= {
		.dma_mask = &pxa27x_ssp1_dma_mask,
		.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	.resource	= pxa27x_resource_ssp1,
	.num_resources	= ARRAY_SIZE(pxa27x_resource_ssp1),
};

static u64 pxa27x_ssp2_dma_mask = DMA_BIT_MASK(32);

static struct resource pxa27x_resource_ssp2[] = {
	[0] = {
		.start	= 0x41700000,
		.end	= 0x4170003f,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_SSP2,
		.end	= IRQ_SSP2,
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa27x_device_ssp2 = {
	.name		= "pxa27x-ssp",
	.id		= 1,
	.dev		= {
		.dma_mask = &pxa27x_ssp2_dma_mask,
		.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	.resource	= pxa27x_resource_ssp2,
	.num_resources	= ARRAY_SIZE(pxa27x_resource_ssp2),
};

static u64 pxa27x_ssp3_dma_mask = DMA_BIT_MASK(32);

static struct resource pxa27x_resource_ssp3[] = {
	[0] = {
		.start	= 0x41900000,
		.end	= 0x4190003f,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_SSP3,
		.end	= IRQ_SSP3,
		.flags	= IORESOURCE_IRQ,
	},
};

struct platform_device pxa27x_device_ssp3 = {
	.name		= "pxa27x-ssp",
	.id		= 2,
	.dev		= {
		.dma_mask = &pxa27x_ssp3_dma_mask,
		.coherent_dma_mask = DMA_BIT_MASK(32),
	},
	.resource	= pxa27x_resource_ssp3,
	.num_resources	= ARRAY_SIZE(pxa27x_resource_ssp3),
};

static struct resource pxa27x_resource_pwm0[] = {
	[0] = {
		.start	= 0x40b00000,
		.end	= 0x40b0001f,
		.flags	= IORESOURCE_MEM,
	},
};

struct platform_device pxa27x_device_pwm0 = {
	.name		= "pxa27x-pwm",
	.id		= 0,
	.resource	= pxa27x_resource_pwm0,
	.num_resources	= ARRAY_SIZE(pxa27x_resource_pwm0),
};

static struct resource pxa27x_resource_pwm1[] = {
	[0] = {
		.start	= 0x40c00000,
		.end	= 0x40c0001f,
		.flags	= IORESOURCE_MEM,
	},
};

struct platform_device pxa27x_device_pwm1 = {
	.name		= "pxa27x-pwm",
	.id		= 1,
	.resource	= pxa27x_resource_pwm1,
	.num_resources	= ARRAY_SIZE(pxa27x_resource_pwm1),
};
#endif /* CONFIG_PXA27x || CONFIG_PXA3xx */

#if defined(CONFIG_PXA25x) || defined(CONFIG_PXA27x)
const struct software_node pxa2xx_gpiochip_node = {
	.name	= "gpio-pxa",
};

struct resource pxa_resource_gpio[] = {
	{
		.start	= 0x40e00000,
		.end	= 0x40e0ffff,
		.flags	= IORESOURCE_MEM,
	}, {
		.start	= IRQ_GPIO0,
		.end	= IRQ_GPIO0,
		.name	= "gpio0",
		.flags	= IORESOURCE_IRQ,
	}, {
		.start	= IRQ_GPIO1,
		.end	= IRQ_GPIO1,
		.name	= "gpio1",
		.flags	= IORESOURCE_IRQ,
	}, {
		.start	= IRQ_GPIO_2_x,
		.end	= IRQ_GPIO_2_x,
		.name	= "gpio_mux",
		.flags	= IORESOURCE_IRQ,
	},
};

static struct pxa_gpio_platform_data pxa2xx_gpio_info = {
	.irq_base	= PXA_GPIO_TO_IRQ(0),
	.gpio_set_wake	= gpio_set_wake,
};

struct platform_device pxa25x_device_gpio = {
	.name		= "pxa25x-gpio",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(pxa_resource_gpio),
	.resource	= pxa_resource_gpio,
	.dev		= {
		.platform_data	= &pxa2xx_gpio_info,
	},
};

struct platform_device pxa27x_device_gpio = {
	.name		= "pxa27x-gpio",
	.id		= -1,
	.num_resources	= ARRAY_SIZE(pxa_resource_gpio),
	.resource	= pxa_resource_gpio,
	.dev		= {
		.platform_data	= &pxa2xx_gpio_info,
	},
};
#endif /* CONFIG_PXA25x || CONFIG_PXA27x */

static struct resource pxa_dma_resource[] = {
	[0] = {
		.start	= 0x40000000,
		.end	= 0x4000ffff,
		.flags	= IORESOURCE_MEM,
	},
	[1] = {
		.start	= IRQ_DMA,
		.end	= IRQ_DMA,
		.flags	= IORESOURCE_IRQ,
	},
};

static u64 pxadma_dmamask = 0xffffffffUL;

static struct platform_device pxa2xx_pxa_dma = {
	.name		= "pxa-dma",
	.id		= 0,
	.dev		= {
		.dma_mask = &pxadma_dmamask,
		.coherent_dma_mask = 0xffffffff,
	},
	.num_resources	= ARRAY_SIZE(pxa_dma_resource),
	.resource	= pxa_dma_resource,
};

void __init pxa2xx_set_dmac_info(struct mmp_dma_platdata *dma_pdata)
{
	pxa_register_device(&pxa2xx_pxa_dma, dma_pdata);
}

void __init pxa_register_wdt(unsigned int reset_status)
{
	struct resource res = DEFINE_RES_MEM(OST_PHYS, OST_LEN);

	reset_status &= RESET_STATUS_WATCHDOG;
	platform_device_register_resndata(NULL, "sa1100_wdt", -1, &res, 1,
					  &reset_status, sizeof(reset_status));
}