root/arch/arm/mach-pxa/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));
}