https://github.com/torvalds/linux
Tip revision: 41bccc98fb7931d63d03f326a746ac4d429c1dd3 authored by Linus Torvalds on 29 January 2024, 01:01:12 UTC
Linux 6.8-rc2
Linux 6.8-rc2
Tip revision: 41bccc9
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/spi/pxa2xx_spi.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 "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 struct resource pxamci_resources[] = {
[0] = {
.start = 0x41100000,
.end = 0x41100fff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_MMC,
.end = IRQ_MMC,
.flags = IORESOURCE_IRQ,
},
};
static u64 pxamci_dmamask = 0xffffffffUL;
struct platform_device pxa_device_mci = {
.name = "pxa2xx-mci",
.id = 0,
.dev = {
.dma_mask = &pxamci_dmamask,
.coherent_dma_mask = 0xffffffff,
},
.num_resources = ARRAY_SIZE(pxamci_resources),
.resource = pxamci_resources,
};
void __init pxa_set_mci_info(struct pxamci_platform_data *info)
{
pxa_register_device(&pxa_device_mci, info);
}
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 */
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,
},
};
struct platform_device pxa25x_device_gpio = {
.name = "pxa25x-gpio",
.id = -1,
.num_resources = ARRAY_SIZE(pxa_resource_gpio),
.resource = pxa_resource_gpio,
};
struct platform_device pxa27x_device_gpio = {
.name = "pxa27x-gpio",
.id = -1,
.num_resources = ARRAY_SIZE(pxa_resource_gpio),
.resource = pxa_resource_gpio,
};
/* pxa2xx-spi platform-device ID equals respective SSP platform-device ID + 1.
* See comment in arch/arm/mach-pxa/ssp.c::ssp_probe() */
void __init pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_controller *info)
{
struct platform_device *pd;
pd = platform_device_alloc("pxa2xx-spi", id);
if (pd == NULL) {
printk(KERN_ERR "pxa2xx-spi: failed to allocate device id %d\n",
id);
return;
}
pd->dev.platform_data = info;
platform_device_add(pd);
}
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));
}