3f3acefb63
This patch adds a driver for the Quick Capture Interface on the PXA270. It is based on the original driver from Intel, but has been re-worked multiple times since then, now it also supports the V4L2 API. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
722 lines
14 KiB
C
722 lines
14 KiB
C
#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/dma-mapping.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/udc.h>
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#include <asm/arch/pxafb.h>
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#include <asm/arch/mmc.h>
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#include <asm/arch/irda.h>
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#include <asm/arch/i2c.h>
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#include <asm/arch/ohci.h>
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#include <asm/arch/pxa27x_keypad.h>
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#include <asm/arch/camera.h>
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#include "devices.h"
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void __init pxa_register_device(struct platform_device *dev, void *data)
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{
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int ret;
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dev->dev.platform_data = data;
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ret = platform_device_register(dev);
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if (ret)
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dev_err(&dev->dev, "unable to register device: %d\n", ret);
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}
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static struct resource pxamci_resources[] = {
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[0] = {
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.start = 0x41100000,
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.end = 0x41100fff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_MMC,
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.end = IRQ_MMC,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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.start = 21,
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.end = 21,
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.flags = IORESOURCE_DMA,
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},
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[3] = {
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.start = 22,
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.end = 22,
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.flags = IORESOURCE_DMA,
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},
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};
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static u64 pxamci_dmamask = 0xffffffffUL;
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struct platform_device pxa_device_mci = {
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.name = "pxa2xx-mci",
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.id = 0,
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.dev = {
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.dma_mask = &pxamci_dmamask,
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.coherent_dma_mask = 0xffffffff,
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},
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.num_resources = ARRAY_SIZE(pxamci_resources),
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.resource = pxamci_resources,
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};
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void __init pxa_set_mci_info(struct pxamci_platform_data *info)
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{
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pxa_register_device(&pxa_device_mci, info);
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}
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static struct pxa2xx_udc_mach_info pxa_udc_info;
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void __init pxa_set_udc_info(struct pxa2xx_udc_mach_info *info)
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{
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memcpy(&pxa_udc_info, info, sizeof *info);
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}
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static struct resource pxa2xx_udc_resources[] = {
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[0] = {
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.start = 0x40600000,
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.end = 0x4060ffff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_USB,
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.end = IRQ_USB,
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.flags = IORESOURCE_IRQ,
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},
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};
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static u64 udc_dma_mask = ~(u32)0;
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struct platform_device pxa_device_udc = {
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.name = "pxa2xx-udc",
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.id = -1,
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.resource = pxa2xx_udc_resources,
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.num_resources = ARRAY_SIZE(pxa2xx_udc_resources),
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.dev = {
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.platform_data = &pxa_udc_info,
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.dma_mask = &udc_dma_mask,
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}
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};
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static struct resource pxafb_resources[] = {
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[0] = {
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.start = 0x44000000,
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.end = 0x4400ffff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_LCD,
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.end = IRQ_LCD,
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.flags = IORESOURCE_IRQ,
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},
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};
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static u64 fb_dma_mask = ~(u64)0;
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struct platform_device pxa_device_fb = {
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.name = "pxa2xx-fb",
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.id = -1,
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.dev = {
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.dma_mask = &fb_dma_mask,
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.coherent_dma_mask = 0xffffffff,
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},
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.num_resources = ARRAY_SIZE(pxafb_resources),
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.resource = pxafb_resources,
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};
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void __init set_pxa_fb_info(struct pxafb_mach_info *info)
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{
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pxa_register_device(&pxa_device_fb, info);
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}
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void __init set_pxa_fb_parent(struct device *parent_dev)
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{
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pxa_device_fb.dev.parent = parent_dev;
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}
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static struct resource pxa_resource_ffuart[] = {
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{
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.start = __PREG(FFUART),
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.end = __PREG(FFUART) + 35,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_FFUART,
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.end = IRQ_FFUART,
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.flags = IORESOURCE_IRQ,
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}
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};
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struct platform_device pxa_device_ffuart= {
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.name = "pxa2xx-uart",
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.id = 0,
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.resource = pxa_resource_ffuart,
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.num_resources = ARRAY_SIZE(pxa_resource_ffuart),
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};
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static struct resource pxa_resource_btuart[] = {
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{
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.start = __PREG(BTUART),
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.end = __PREG(BTUART) + 35,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_BTUART,
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.end = IRQ_BTUART,
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.flags = IORESOURCE_IRQ,
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}
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};
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struct platform_device pxa_device_btuart = {
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.name = "pxa2xx-uart",
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.id = 1,
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.resource = pxa_resource_btuart,
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.num_resources = ARRAY_SIZE(pxa_resource_btuart),
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};
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static struct resource pxa_resource_stuart[] = {
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{
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.start = __PREG(STUART),
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.end = __PREG(STUART) + 35,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_STUART,
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.end = IRQ_STUART,
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.flags = IORESOURCE_IRQ,
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}
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};
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struct platform_device pxa_device_stuart = {
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.name = "pxa2xx-uart",
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.id = 2,
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.resource = pxa_resource_stuart,
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.num_resources = ARRAY_SIZE(pxa_resource_stuart),
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};
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static struct resource pxa_resource_hwuart[] = {
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{
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.start = __PREG(HWUART),
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.end = __PREG(HWUART) + 47,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_HWUART,
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.end = IRQ_HWUART,
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.flags = IORESOURCE_IRQ,
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}
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};
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struct platform_device pxa_device_hwuart = {
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.name = "pxa2xx-uart",
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.id = 3,
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.resource = pxa_resource_hwuart,
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.num_resources = ARRAY_SIZE(pxa_resource_hwuart),
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};
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static struct resource pxai2c_resources[] = {
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{
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.start = 0x40301680,
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.end = 0x403016a3,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_I2C,
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.end = IRQ_I2C,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device pxa_device_i2c = {
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.name = "pxa2xx-i2c",
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.id = 0,
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.resource = pxai2c_resources,
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.num_resources = ARRAY_SIZE(pxai2c_resources),
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};
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void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info)
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{
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pxa_register_device(&pxa_device_i2c, info);
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}
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static struct resource pxai2s_resources[] = {
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{
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.start = 0x40400000,
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.end = 0x40400083,
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.flags = IORESOURCE_MEM,
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}, {
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.start = IRQ_I2S,
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.end = IRQ_I2S,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device pxa_device_i2s = {
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.name = "pxa2xx-i2s",
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.id = -1,
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.resource = pxai2s_resources,
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.num_resources = ARRAY_SIZE(pxai2s_resources),
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};
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static u64 pxaficp_dmamask = ~(u32)0;
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struct platform_device pxa_device_ficp = {
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.name = "pxa2xx-ir",
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.id = -1,
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.dev = {
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.dma_mask = &pxaficp_dmamask,
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.coherent_dma_mask = 0xffffffff,
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},
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};
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void __init pxa_set_ficp_info(struct pxaficp_platform_data *info)
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{
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pxa_register_device(&pxa_device_ficp, info);
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}
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struct platform_device pxa_device_rtc = {
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.name = "sa1100-rtc",
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.id = -1,
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};
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#ifdef CONFIG_PXA25x
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static u64 pxa25x_ssp_dma_mask = DMA_BIT_MASK(32);
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static struct resource pxa25x_resource_ssp[] = {
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[0] = {
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.start = 0x41000000,
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.end = 0x4100001f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_SSP,
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.end = IRQ_SSP,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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/* DRCMR for RX */
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.start = 13,
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.end = 13,
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.flags = IORESOURCE_DMA,
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},
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[3] = {
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/* DRCMR for TX */
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.start = 14,
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.end = 14,
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device pxa25x_device_ssp = {
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.name = "pxa25x-ssp",
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.id = 0,
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.dev = {
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.dma_mask = &pxa25x_ssp_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.resource = pxa25x_resource_ssp,
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.num_resources = ARRAY_SIZE(pxa25x_resource_ssp),
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};
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static u64 pxa25x_nssp_dma_mask = DMA_BIT_MASK(32);
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static struct resource pxa25x_resource_nssp[] = {
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[0] = {
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.start = 0x41400000,
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.end = 0x4140002f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_NSSP,
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.end = IRQ_NSSP,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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/* DRCMR for RX */
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.start = 15,
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.end = 15,
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.flags = IORESOURCE_DMA,
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},
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[3] = {
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/* DRCMR for TX */
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.start = 16,
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.end = 16,
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device pxa25x_device_nssp = {
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.name = "pxa25x-nssp",
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.id = 1,
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.dev = {
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.dma_mask = &pxa25x_nssp_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.resource = pxa25x_resource_nssp,
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.num_resources = ARRAY_SIZE(pxa25x_resource_nssp),
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};
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static u64 pxa25x_assp_dma_mask = DMA_BIT_MASK(32);
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static struct resource pxa25x_resource_assp[] = {
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[0] = {
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.start = 0x41500000,
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.end = 0x4150002f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_ASSP,
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.end = IRQ_ASSP,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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/* DRCMR for RX */
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.start = 23,
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.end = 23,
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.flags = IORESOURCE_DMA,
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},
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[3] = {
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/* DRCMR for TX */
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.start = 24,
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.end = 24,
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device pxa25x_device_assp = {
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/* ASSP is basically equivalent to NSSP */
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.name = "pxa25x-nssp",
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.id = 2,
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.dev = {
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.dma_mask = &pxa25x_assp_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.resource = pxa25x_resource_assp,
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.num_resources = ARRAY_SIZE(pxa25x_resource_assp),
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};
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#endif /* CONFIG_PXA25x */
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#if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
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static struct resource pxa27x_resource_keypad[] = {
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[0] = {
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.start = 0x41500000,
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.end = 0x4150004c,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_KEYPAD,
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.end = IRQ_KEYPAD,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device pxa27x_device_keypad = {
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.name = "pxa27x-keypad",
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.id = -1,
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.resource = pxa27x_resource_keypad,
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.num_resources = ARRAY_SIZE(pxa27x_resource_keypad),
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};
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void __init pxa_set_keypad_info(struct pxa27x_keypad_platform_data *info)
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{
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pxa_register_device(&pxa27x_device_keypad, info);
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}
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static u64 pxa27x_ohci_dma_mask = DMA_BIT_MASK(32);
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static struct resource pxa27x_resource_ohci[] = {
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[0] = {
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.start = 0x4C000000,
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.end = 0x4C00ff6f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_USBH1,
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.end = IRQ_USBH1,
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.flags = IORESOURCE_IRQ,
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},
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};
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struct platform_device pxa27x_device_ohci = {
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.name = "pxa27x-ohci",
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.id = -1,
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.dev = {
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.dma_mask = &pxa27x_ohci_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.num_resources = ARRAY_SIZE(pxa27x_resource_ohci),
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.resource = pxa27x_resource_ohci,
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};
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void __init pxa_set_ohci_info(struct pxaohci_platform_data *info)
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{
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pxa_register_device(&pxa27x_device_ohci, info);
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}
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static u64 pxa27x_ssp1_dma_mask = DMA_BIT_MASK(32);
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static struct resource pxa27x_resource_ssp1[] = {
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[0] = {
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.start = 0x41000000,
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.end = 0x4100003f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_SSP,
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.end = IRQ_SSP,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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/* DRCMR for RX */
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.start = 13,
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.end = 13,
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.flags = IORESOURCE_DMA,
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},
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[3] = {
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/* DRCMR for TX */
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.start = 14,
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.end = 14,
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device pxa27x_device_ssp1 = {
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.name = "pxa27x-ssp",
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.id = 0,
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.dev = {
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.dma_mask = &pxa27x_ssp1_dma_mask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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},
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.resource = pxa27x_resource_ssp1,
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.num_resources = ARRAY_SIZE(pxa27x_resource_ssp1),
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};
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static u64 pxa27x_ssp2_dma_mask = DMA_BIT_MASK(32);
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static struct resource pxa27x_resource_ssp2[] = {
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[0] = {
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.start = 0x41700000,
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.end = 0x4170003f,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_SSP2,
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.end = IRQ_SSP2,
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.flags = IORESOURCE_IRQ,
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},
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[2] = {
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/* DRCMR for RX */
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.start = 15,
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.end = 15,
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.flags = IORESOURCE_DMA,
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},
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[3] = {
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/* DRCMR for TX */
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.start = 16,
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.end = 16,
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.flags = IORESOURCE_DMA,
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},
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};
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struct platform_device pxa27x_device_ssp2 = {
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.name = "pxa27x-ssp",
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.id = 1,
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.dev = {
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.dma_mask = &pxa27x_ssp2_dma_mask,
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.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,
|
|
},
|
|
[2] = {
|
|
/* DRCMR for RX */
|
|
.start = 66,
|
|
.end = 66,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
[3] = {
|
|
/* DRCMR for TX */
|
|
.start = 67,
|
|
.end = 67,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
};
|
|
|
|
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_camera[] = {
|
|
[0] = {
|
|
.start = 0x50000000,
|
|
.end = 0x50000fff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = IRQ_CAMERA,
|
|
.end = IRQ_CAMERA,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
};
|
|
|
|
static u64 pxa27x_dma_mask_camera = DMA_BIT_MASK(32);
|
|
|
|
static struct platform_device pxa27x_device_camera = {
|
|
.name = "pxa27x-camera",
|
|
.id = 0, /* This is used to put cameras on this interface */
|
|
.dev = {
|
|
.dma_mask = &pxa27x_dma_mask_camera,
|
|
.coherent_dma_mask = 0xffffffff,
|
|
},
|
|
.num_resources = ARRAY_SIZE(pxa27x_resource_camera),
|
|
.resource = pxa27x_resource_camera,
|
|
};
|
|
|
|
void __init pxa_set_camera_info(struct pxacamera_platform_data *info)
|
|
{
|
|
pxa_register_device(&pxa27x_device_camera, info);
|
|
}
|
|
#endif /* CONFIG_PXA27x || CONFIG_PXA3xx */
|
|
|
|
#ifdef CONFIG_PXA3xx
|
|
static u64 pxa3xx_ssp4_dma_mask = DMA_BIT_MASK(32);
|
|
|
|
static struct resource pxa3xx_resource_ssp4[] = {
|
|
[0] = {
|
|
.start = 0x41a00000,
|
|
.end = 0x41a0003f,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = IRQ_SSP4,
|
|
.end = IRQ_SSP4,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
[2] = {
|
|
/* DRCMR for RX */
|
|
.start = 2,
|
|
.end = 2,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
[3] = {
|
|
/* DRCMR for TX */
|
|
.start = 3,
|
|
.end = 3,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
};
|
|
|
|
struct platform_device pxa3xx_device_ssp4 = {
|
|
/* PXA3xx SSP is basically equivalent to PXA27x */
|
|
.name = "pxa27x-ssp",
|
|
.id = 3,
|
|
.dev = {
|
|
.dma_mask = &pxa3xx_ssp4_dma_mask,
|
|
.coherent_dma_mask = DMA_BIT_MASK(32),
|
|
},
|
|
.resource = pxa3xx_resource_ssp4,
|
|
.num_resources = ARRAY_SIZE(pxa3xx_resource_ssp4),
|
|
};
|
|
|
|
static struct resource pxa3xx_resources_mci2[] = {
|
|
[0] = {
|
|
.start = 0x42000000,
|
|
.end = 0x42000fff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = IRQ_MMC2,
|
|
.end = IRQ_MMC2,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
[2] = {
|
|
.start = 93,
|
|
.end = 93,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
[3] = {
|
|
.start = 94,
|
|
.end = 94,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
};
|
|
|
|
struct platform_device pxa3xx_device_mci2 = {
|
|
.name = "pxa2xx-mci",
|
|
.id = 1,
|
|
.dev = {
|
|
.dma_mask = &pxamci_dmamask,
|
|
.coherent_dma_mask = 0xffffffff,
|
|
},
|
|
.num_resources = ARRAY_SIZE(pxa3xx_resources_mci2),
|
|
.resource = pxa3xx_resources_mci2,
|
|
};
|
|
|
|
void __init pxa3xx_set_mci2_info(struct pxamci_platform_data *info)
|
|
{
|
|
pxa_register_device(&pxa3xx_device_mci2, info);
|
|
}
|
|
|
|
static struct resource pxa3xx_resources_mci3[] = {
|
|
[0] = {
|
|
.start = 0x42500000,
|
|
.end = 0x42500fff,
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = IRQ_MMC3,
|
|
.end = IRQ_MMC3,
|
|
.flags = IORESOURCE_IRQ,
|
|
},
|
|
[2] = {
|
|
.start = 100,
|
|
.end = 100,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
[3] = {
|
|
.start = 101,
|
|
.end = 101,
|
|
.flags = IORESOURCE_DMA,
|
|
},
|
|
};
|
|
|
|
struct platform_device pxa3xx_device_mci3 = {
|
|
.name = "pxa2xx-mci",
|
|
.id = 2,
|
|
.dev = {
|
|
.dma_mask = &pxamci_dmamask,
|
|
.coherent_dma_mask = 0xffffffff,
|
|
},
|
|
.num_resources = ARRAY_SIZE(pxa3xx_resources_mci3),
|
|
.resource = pxa3xx_resources_mci3,
|
|
};
|
|
|
|
void __init pxa3xx_set_mci3_info(struct pxamci_platform_data *info)
|
|
{
|
|
pxa_register_device(&pxa3xx_device_mci3, info);
|
|
}
|
|
|
|
#endif /* CONFIG_PXA3xx */
|