NUC972平台学习笔记之内核驱动
内核驱动目录
内核驱动设备 DEV目录
入口：
arch/arm/mach-nuc970/dev.c
/*
* linux/arch/arm/mach-nuc970/dev.c
*
* Copyright (C) 2014 Nuvoton corporation.
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
*/
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include "cpu.h"
#include
/* USB EHCI Host Controller */
#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
static struct resource nuc970_ehci_resource[] = {
[0] = {
.start = NUC970_PA_EHCI,
.end = NUC970_PA_EHCI + NUC970_SZ_EHCI - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_EHCI,
.end = IRQ_EHCI,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc970_device_usb_ehci_dmamask = 0xffffffffUL;
static struct platform_device nuc970_device_ehci = {
.name = "nuc970-ehci",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_ehci_resource),
.resource = nuc970_ehci_resource,
.dev = {
.dma_mask = &nuc970_device_usb_ehci_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
#endif
/* USB OHCI Host Controller */
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
static struct resource nuc970_ohci_resource[] = {
[0] = {
.start = NUC970_PA_OHCI,
.end = NUC970_PA_OHCI + NUC970_SZ_OHCI - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_OHCI,
.end = IRQ_OHCI,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc970_device_usb_ohci_dmamask = 0xffffffffUL;
static struct platform_device nuc970_device_ohci = {
.name = "nuc970-ohci",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_ohci_resource),
.resource = nuc970_ohci_resource,
.dev = {
.dma_mask = &nuc970_device_usb_ohci_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
#endif
/* Cryptographic Accelerator */
#if defined(CONFIG_CRYPTO_DEV_NUC970) || defined(CONFIG_CRYPTO_DEV_NUC970_MODULE)
static struct resource nuc970_crypto_resource[] = {
[0] = {
.start = NUC970_PA_CRYPTO,
.end = NUC970_PA_CRYPTO + NUC970_SZ_CRYPTO - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_CRYPTO,
.end = IRQ_CRYPTO,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc970_device_crypto_dmamask = 0xffffffffUL;
static struct platform_device nuc970_device_crypto = {
.name = "nuc970-crypto",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_crypto_resource),
.resource = nuc970_crypto_resource,
.dev = {
.dma_mask = &nuc970_device_crypto_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
static struct platform_device nuc970_device_prng = {
.name = "nuvoton-rng",
.id = -1,
.resource = nuc970_crypto_resource,
};
#endif
/* USB Device (Gadget)*/
#if defined(CONFIG_USB_NUC970) || defined(CONFIG_USB_NUC970_MODULE)
static struct resource nuc970_usbgadget_resource[] = {
[0] = {
.start = NUC970_PA_USBDEV,
.end = NUC970_PA_USBDEV + NUC970_SZ_USBDEV - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_UDC,
.end = IRQ_UDC,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc970_device_udc_dmamask = 0xffffffffUL;
static struct platform_device nuc970_device_usbgadget = {
.name = "nuc970-usbdev",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_usbgadget_resource),
.resource = nuc970_usbgadget_resource,
.dev = {
.dma_mask = &nuc970_device_udc_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
#endif
/* Initial serial platform data */
static struct plat_nuc970serial_port nuc970_uart_data[] = {
[0] = NUC970SERIAL_PORT(UART0),
[1] = NUC970SERIAL_PORT(UART1),
[2] = NUC970SERIAL_PORT(UART2),
[3] = NUC970SERIAL_PORT(UART3),
[4] = NUC970SERIAL_PORT(UART4),
[5] = NUC970SERIAL_PORT(UART5),
[6] = NUC970SERIAL_PORT(UART6),
[7] = NUC970SERIAL_PORT(UART7),
[8] = NUC970SERIAL_PORT(UART8),
[9] = NUC970SERIAL_PORT(UART9),
[10] = NUC970SERIAL_PORT(UART10),
{},
};
static struct platform_device nuc970_serial_device0 = {
.name = "nuc970-uart",
.id = 0,
.dev = {
.platform_data = &nuc970_uart_data[0],
},
};
#if defined(CONFIG_NUC970_UART1) || defined(CONFIG_NUC970_UART1_MODULE)
static struct platform_device nuc970_serial_device1 = {
.name = "nuc970-uart",
.id = 1,
.dev = {
.platform_data = &nuc970_uart_data[1],
},
};
#endif
#if defined(CONFIG_NUC970_UART2) || defined(CONFIG_NUC970_UART2_MODULE)
static struct platform_device nuc970_serial_device2 = {
.name = "nuc970-uart",
.id = 2,
.dev = {
.platform_data = &nuc970_uart_data[2],
},
};
#endif
#if defined(CONFIG_NUC970_UART3) || defined(CONFIG_NUC970_UART3_MODULE)
static struct platform_device nuc970_serial_device3 = {
.name = "nuc970-uart",
.id = 3,
.dev = {
.platform_data = &nuc970_uart_data[3],
},
};
#endif
#if defined(CONFIG_NUC970_UART4) || defined(CONFIG_NUC970_UART4_MODULE)
static struct platform_device nuc970_serial_device4 = {
.name = "nuc970-uart",
.id = 4,
.dev = {
.platform_data = &nuc970_uart_data[4],
},
};
#endif
#if defined(CONFIG_NUC970_UART5) || defined(CONFIG_NUC970_UART5_MODULE)
static struct platform_device nuc970_serial_device5 = {
.name = "nuc970-uart",
.id = 5,
.dev = {
.platform_data = &nuc970_uart_data[5],
},
};
#endif
#if defined(CONFIG_NUC970_UART6) || defined(CONFIG_NUC970_UART6_MODULE)
static struct platform_device nuc970_serial_device6 = {
.name = "nuc970-uart",
.id = 6,
.dev = {
.platform_data = &nuc970_uart_data[6],
},
};
#endif
#if defined(CONFIG_NUC970_UART7) || defined(CONFIG_NUC970_UART7_MODULE)
static struct platform_device nuc970_serial_device7 = {
.name = "nuc970-uart",
.id = 7,
.dev = {
.platform_data = &nuc970_uart_data[7],
},
};
#endif
#if defined(CONFIG_NUC970_UART8) || defined(CONFIG_NUC970_UART8_MODULE)
static struct platform_device nuc970_serial_device8 = {
.name = "nuc970-uart",
.id = 8,
.dev = {
.platform_data = &nuc970_uart_data[8],
},
};
#endif
#if defined(CONFIG_NUC970_UART9) || defined(CONFIG_NUC970_UART9_MODULE)
static struct platform_device nuc970_serial_device9 = {
.name = "nuc970-uart",
.id = 9,
.dev = {
.platform_data = &nuc970_uart_data[9],
},
};
#endif
#if defined(CONFIG_NUC970_UART10) || defined(CONFIG_NUC970_UART10_MODULE)
static struct platform_device nuc970_serial_device10 = {
.name = "nuc970-uart",
.id = 10,
.dev = {
.platform_data = &nuc970_uart_data[10],
},
};
#endif
/* LCD controller*/
#if defined(CONFIG_FB_NUC970) || defined(CONFIG_FB_NUC970_MODULE)
static struct nuc970fb_display nuc970fb_lcd_info[] = {
#ifdef CONFIG_A025DL02_320X240
/* AUO A035QN02V0 320x240 TFT Panel , 18bits*/
[0] = {
.type = LCM_DCCS_VA_SRC_RGB565,
.width = 320,
.height = 240,
.xres = 320,
.yres = 240,
.bpp = 16,
.pixclock = 4000000,
.left_margin = 10,
.right_margin = 54,
.hsync_len = 10,
.upper_margin = 2,
.lower_margin = 4,
.vsync_len = 1,
.dccs = 0x0e00041a,
.devctl = 0x060800c0,
.fbctrl = 0x00a000a0,
.scale = 0x04000400,
},
#endif
#ifdef CONFIG_FW070TFT_800X480
/* FW070TFT 800x480 TFT Panel , 24bits*/
[0] = {
#ifdef CONFIG_FB_SRCFMT_RGB888
.type = LCM_DCCS_VA_SRC_RGB888,
.bpp = 32,
#elif defined(CONFIG_FB_SRCFMT_RGB565)
.type = LCM_DCCS_VA_SRC_RGB565,
.bpp = 16,
#endif
.width = 800,
.height = 480,
.xres = 800,
.yres = 480,
.pixclock = 32000000,
.left_margin = 40,
.right_margin = 196,
.hsync_len = 20,
.upper_margin = 23,
.lower_margin = 19,
.vsync_len = 3,
#ifdef CONFIG_FB_SRCFMT_RGB888
.dccs = 0x0e00020a,
.fbctrl = 0x03200320,
#elif defined(CONFIG_FB_SRCFMT_RGB565)
.dccs = 0x0e00040a,
.fbctrl = 0x01900190,
#endif
#ifdef CONFIG_FB_LCD_16BIT_PIN
.devctl = 0x050000c0,
#elif defined(CONFIG_FB_LCD_18BIT_PIN)
.devctl = 0x060000c0,
#elif defined(CONFIG_FB_LCD_24BIT_PIN)
.devctl = 0x070000c0,
#endif
.scale = 0x04000400,
},
#endif
#ifdef CONFIG_E50A2V1_800X480
/* E50A2V1 800x480 TFT Panel , 24bits*/
[0] = {
#ifdef CONFIG_FB_SRCFMT_RGB888
.type = LCM_DCCS_VA_SRC_RGB888,
.bpp = 32,
#elif defined(CONFIG_FB_SRCFMT_RGB565)
.type = LCM_DCCS_VA_SRC_RGB565,
.bpp = 16,
#endif
.width = 800,
.height = 480,
.xres = 800,
.yres = 480,
.pixclock = 20000000,
.left_margin = 88,
.right_margin = 40,
.hsync_len = 48,
.upper_margin = 32,
.lower_margin = 13,
.vsync_len = 3,
#ifdef CONFIG_FB_SRCFMT_RGB888
.dccs = 0x0e00020a,
.fbctrl = 0x03200320,
#elif defined(CONFIG_FB_SRCFMT_RGB565)
.dccs = 0x0e00040a,
.fbctrl = 0x01900190,
#endif
#ifdef CONFIG_FB_LCD_16BIT_PIN
.devctl = 0x050000c0,
#elif defined(CONFIG_FB_LCD_18BIT_PIN)
.devctl = 0x060000c0,
#elif defined(CONFIG_FB_LCD_24BIT_PIN)
.devctl = 0x070000c0,
#endif
.scale = 0x04000400,
},
#endif
#ifdef CONFIG_ILI9431_MPU80_240x320
/* ILI9431 240x320 MPU Panel , 16bits*/
[0] = {
.type = LCM_DCCS_VA_SRC_RGB565,
.bpp = 16,
.width = 240,
.height = 320,
.xres = 240,
.yres = 320,
.pixclock = 6000000,
.left_margin = 6,
.right_margin = 10,
.hsync_len = 2,
.upper_margin = 27,
.lower_margin = 5,
.vsync_len = 11,
.dccs = 0x0e000400,
.fbctrl = 0x00780078,
.devctl = 0xC50000E0,
.scale = 0x04000400,
},
#endif
};
static struct nuc970fb_mach_info nuc970fb_fb_info = {
.displays = &nuc970fb_lcd_info[0],
.num_displays = ARRAY_SIZE(nuc970fb_lcd_info),
.default_display = 0,
.gpio_blen = NUC970_PG3,
.gpio_lcs = NUC970_PG2,
};
static struct resource nuc970fb_lcd_resource[] = {
[0] = {
.start = NUC970_PA_LCD,
.end = NUC970_PA_LCD + NUC970_SZ_LCD - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_LCD,
.end = IRQ_LCD,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc970fb_device_lcd_dmamask = -1;
struct platform_device nuc970fb_device_lcd = {
.name = "nuc970-lcd",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970fb_lcd_resource),
.resource = nuc970fb_lcd_resource,
.dev = {
.dma_mask = &nuc970fb_device_lcd_dmamask,
.coherent_dma_mask = -1,
.platform_data = &nuc970fb_fb_info,
}
};
#endif
/* SDIO Controller */
#if defined(CONFIG_MMC_NUC970_SD) || defined(CONFIG_MMC_NUC970_SD_MODULE)
static struct resource nuc970_sdh_resource[] = {
[0] = {
.start = NUC970_PA_SDH,
.end = NUC970_PA_SDH + NUC970_SZ_SDH - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_SDH,
.end = IRQ_SDH,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc970_device_sdh_dmamask = 0xffffffffUL;
struct platform_device nuc970_device_sdh = {
.name = "nuc970-sdh",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_sdh_resource),
.resource = nuc970_sdh_resource,
.dev = {
.dma_mask = &nuc970_device_sdh_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
#endif
/* NAND, eMMC Controller */
#if defined(CONFIG_MTD_NAND_NUC970) || defined(CONFIG_MTD_NAND_NUC970_SD_MODULE) || defined(CONFIG_MMC_NUC970_EMMC) || defined(CONFIG_MMC_NUC970_EMMC_MODULE)
static struct resource nuc970_fmi_resource[] = {
[0] = {
.start = NUC970_PA_FMI,
.end = NUC970_PA_FMI + NUC970_SZ_FMI - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_FMI,
.end = IRQ_FMI,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc970_device_fmi_dmamask = 0xffffffffUL;
struct platform_device nuc970_device_fmi = {
.name = "nuc970-fmi",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_fmi_resource),
.resource = nuc970_fmi_resource,
.dev = {
.dma_mask = &nuc970_device_fmi_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
#endif
/* Ethernet MAC0 Controller */
#if defined(CONFIG_NUC970_ETH0) || defined(CONFIG_NUC970_ETH0_MODULE)
static struct resource nuc970_emac0_resource[] = {
[0] = {
.start = NUC970_PA_EMAC0,
.end = NUC970_PA_EMAC0 + NUC970_SZ_EMAC0 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_EMC0TX,
.end = IRQ_EMC0TX,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_EMC0RX,
.end = IRQ_EMC0RX,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc970_device_emac0_dmamask = 0xffffffffUL;
struct platform_device nuc970_device_emac0 = {
.name = "nuc970-emac0",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_emac0_resource),
.resource = nuc970_emac0_resource,
.dev = {
.dma_mask = &nuc970_device_emac0_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
#endif
#if defined(CONFIG_NUC970_ETH1) || defined(CONFIG_NUC970_ETH1_MODULE)
/* Ethernet MAC1 Controller */
static struct resource nuc970_emac1_resource[] = {
[0] = {
.start = NUC970_PA_EMAC1,
.end = NUC970_PA_EMAC1 + NUC970_SZ_EMAC1 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_EMC1TX,
.end = IRQ_EMC1TX,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_EMC1RX,
.end = IRQ_EMC1RX,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc970_device_emac1_dmamask = 0xffffffffUL;
struct platform_device nuc970_device_emac1 = {
.name = "nuc970-emac1",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_emac1_resource),
.resource = nuc970_emac1_resource,
.dev = {
.dma_mask = &nuc970_device_emac1_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
#endif
/* JPEG Controller */
#if defined(CONFIG_NUC970_JPEG_CODEC) || defined(CONFIG_NUC970_JPEG_CODEC_MODULE)
static struct resource nuc970_jpeg_resource[] = {
[0] = {
.start = NUC970_PA_JPEG,
.end = NUC970_PA_JPEG + NUC970_SZ_JPEG - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_JPEG,
.end = IRQ_JPEG,
.flags = IORESOURCE_IRQ,
}
};
static u64 nuc970_device_jpeg_dmamask = 0xffffffffUL;
struct platform_device nuc970_device_jpeg = {
.name = "nuc970-jpeg",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_jpeg_resource),
.resource = nuc970_jpeg_resource,
.dev = {
.dma_mask = &nuc970_device_jpeg_dmamask,
.coherent_dma_mask = 0xffffffffUL
}
};
#endif
/* VIDEOIN */
#if defined(CONFIG_VIDEO_NUC970) || defined(CONFIG_VIDEO_NUC970_MODULE)
static struct resource nuc970_cap_resource[] = {
[0] = {
.start = NUC970_PA_CAP,
.end = NUC970_PA_CAP + NUC970_SZ_CAP - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_CAP,
.end = IRQ_CAP,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc970_device_cap = {
.name = "nuc970-videoin",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_cap_resource),
.resource = nuc970_cap_resource,
};
#endif
/* ADC */
#if defined(CONFIG_NUC970_ADC) || defined(CONFIG_NUC970_ADC_MODULE)
static struct resource nuc970_adc_resource[] = {
[0] = {
.start = NUC970_PA_ADC,
.end = NUC970_PA_ADC + NUC970_SZ_ADC - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_ADC,
.end = IRQ_ADC,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc970_device_adc = {
.name = "nuc970-adc",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_adc_resource),
.resource = nuc970_adc_resource,
};
#endif
/* Normal ADC */
#if defined(CONFIG_NUC970_NADC) || defined(CONFIG_NUC970_NADC_MODULE)
static struct resource nuc970_nadc_resource[] = {
[0] = {
.start = NUC970_PA_ADC,
.end = NUC970_PA_ADC + NUC970_SZ_ADC - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_ADC,
.end = IRQ_ADC,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc970_device_nadc = {
.name = "nuc970-nadc",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_nadc_resource),
.resource = nuc970_nadc_resource,
};
#endif
#if defined(CONFIG_NUC970_DMA) || defined(CONFIG_NUC970_DMA_MODULE)
#define DMA_CHANNEL(_name, _base, _irq) \
{ .name = (_name), .base = (_base), .irq = (_irq) }
static struct resource nuc970_gdma_resource[] = {
[0] = {
.start = NUC970_PA_GDMA,
.end = NUC970_PA_GDMA + NUC970_SZ_GDMA - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_GDMA0,
.end = IRQ_GDMA0,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_GDMA1,
.end = IRQ_GDMA1,
.flags = IORESOURCE_IRQ,
}
};
struct nuc970_dma_chan_data nuc970_dma_m2m_channels[] = {
DMA_CHANNEL("m2m0", NUC970_VA_GDMA + 0x000, IRQ_GDMA0),
DMA_CHANNEL("m2m1", NUC970_VA_GDMA + 0x020, IRQ_GDMA1),
};
struct nuc970_dma_platform_data nuc970_dma_m2m_data = {
.channels = nuc970_dma_m2m_channels,
.num_channels = ARRAY_SIZE(nuc970_dma_m2m_channels),
};
static struct platform_device nuc970_device_gdma = {
.name = "nuc970-dma-m2m",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_gdma_resource),
.resource = nuc970_gdma_resource,
.dev = {
.platform_data = &nuc970_dma_m2m_data,
},
};
#endif
/* AUDIO controller*/
#if defined(CONFIG_SND_SOC_NUC970) || defined(CONFIG_SND_SOC_NUC970_MODULE)
static u64 nuc970_device_audio_dmamask = -1;
static struct resource nuc970_i2s_resource[] = {
[0] = {
.start = NUC970_PA_ACTL,
.end = NUC970_PA_ACTL + NUC970_SZ_ACTL - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_ACTL,
.end = IRQ_ACTL,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc970_device_audio_i2s = {
.name = "nuc970-audio-i2s",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_i2s_resource),
.resource = nuc970_i2s_resource,
.dev = {
.dma_mask = &nuc970_device_audio_dmamask,
.coherent_dma_mask = -1,
}
};
struct platform_device nuc970_device_audio = {
.name = "nuc970-audio",
.id = -1,
};
struct platform_device nuc970_device_audio_pcm = {
.name = "nuc970-audio-pcm",
.id = 0,
};
#endif
/* I2C */
#if defined(CONFIG_I2C_BUS_NUC970_P0) || defined(CONFIG_I2C_BUS_NUC970_P0_MODULE)
// port 0
/* I2C clients */
static struct i2c_board_info __initdata nuc970_i2c_clients0[] =
{
#ifdef CONFIG_SND_SOC_NAU8822
{I2C_BOARD_INFO("nau8822", 0x1a),},
#endif
{I2C_BOARD_INFO("m24c04", 0x50),},
};
static struct resource nuc970_i2c0_resource[] = {
[0] = {
.start = NUC970_PA_I2C0,
.end = NUC970_PA_I2C0 + NUC970_SZ_I2C0 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_I2C0,
.end = IRQ_I2C0,
.flags = IORESOURCE_IRQ,
}
};
static struct nuc970_platform_i2c nuc970_i2c0_data = {
.bus_num = 0,
.bus_freq = 100000,
};
struct platform_device nuc970_device_i2c0 = {
.name = "nuc970-i2c0",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_i2c0_resource),
.resource = nuc970_i2c0_resource,
.dev = {
.platform_data = &nuc970_i2c0_data,
}
};
#endif
#if defined(CONFIG_I2C_BUS_NUC970_P1) || defined(CONFIG_I2C_BUS_NUC970_P1_MODULE)
//port 1
static struct i2c_board_info __initdata nuc970_i2c_clients1[] =
{
{I2C_BOARD_INFO("rx8025t", 0x32),},
};
static struct nuc970_platform_i2c nuc970_i2c1_data = {
.bus_num = 1,
.bus_freq = 100000,
};
static struct resource nuc970_i2c_p1_resource[] = {
[0] = {
.start = NUC970_PA_I2C1,
.end = NUC970_PA_I2C1+ NUC970_SZ_I2C1 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_I2C1,
.end = IRQ_I2C1,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc970_device_i2c1 = {
.name = "nuc970-i2c1",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_i2c_p1_resource),
.resource = nuc970_i2c_p1_resource,
.dev = {
.platform_data = &nuc970_i2c1_data,
}
};
#endif
/* SPI */
#if defined(CONFIG_SPI_NUC970_P0) || defined(CONFIG_SPI_NUC970_P0_MODULE)
/* spi device, spi flash info */
#ifdef CONFIG_MTD_M25P80
static struct mtd_partition nuc970_spi0_flash_partitions[] = {
#ifdef CONFIG_BOARD_ETH2UART
{
.name = "kernel",
.size = 0x0800000,
.offset = 0x1000000,
},
{
.name = "rootfs",
.size = 0x0800000,
.offset = 0x1800000,
},
#else
{
.name = "kernel",
.size = 0x0800000,
.offset = 0,
},
{
.name = "rootfs",
.size = 0x0800000,
.offset = 0x0800000,
},
#endif
};
static struct flash_platform_data nuc970_spi0_flash_data = {
.name = "m25p80",
.parts = nuc970_spi0_flash_partitions,
.nr_parts = ARRAY_SIZE(nuc970_spi0_flash_partitions),
.type = "w25q128",
};
#endif
/*static struct spi_board_info nuc970_spi0_board_info[] __initdata = {
#ifdef CONFIG_MTD_M25P80
{
.modalias = "m25p80",
.max_speed_hz = 15000000,
.bus_num = 0,
.chip_select = 0, //use SS0
.platform_data = &nuc970_spi0_flash_data,
#if defined(CONFIG_SPI_NUC970_P0_NORMAL)
.mode = (SPI_MODE_0 | SPI_RX_DUAL | SPI_TX_DUAL),
#elif defined(CONFIG_SPI_NUC970_P0_QUAD)
.mode = (SPI_MODE_0 | SPI_TX_QUAD | SPI_RX_QUAD),
#endif
},
#endif
#ifdef CONFIG_SPI_SPIDEV
{
.modalias = "spidev",
.max_speed_hz = 75000000,
.bus_num = 0,
.chip_select = 1, //use SS1
.mode = SPI_MODE_0,
},
#endif
};*/
static struct spi_board_info nuc970_spi0_board_info[] __initdata = {
{
.modalias = "ATT7022",
.max_speed_hz = 9000000,
.bus_num = 0,
.chip_select = 0, //use SS0
.mode = SPI_MODE_1,//(SPI_MODE_0 | SPI_RX_DUAL | SPI_TX_DUAL),
},
{
.modalias = "lcd_spi",
.max_speed_hz = 2000000,
.bus_num = 0,
.chip_select = 1, //use SS1
.mode = SPI_MODE_0,//(SPI_MODE_3 | SPI_RX_DUAL | SPI_TX_DUAL),
},
};
static struct nuc970_spi_info nuc970_spi0_platform_data = {
.num_cs = 2,
.lsb = 0,
.txneg = 1,
.rxneg = 0,
.divider = 4,
.sleep = 0,
.txnum = 0,
.txbitlen = 8,
.bus_num = 0,
};
static struct resource nuc970_spi0_resource[] = {
[0] = {
.start = NUC970_PA_SPI0,
.end = NUC970_PA_SPI0 + NUC970_SZ_SPI0 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_SPI0,
.end = IRQ_SPI0,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc970_device_spi0 = {
.name = "nuc970-spi0",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_spi0_resource),
.resource = nuc970_spi0_resource,
//#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_SPI_SPIDEV)
.dev = {
.platform_data = &nuc970_spi0_platform_data,
}
//#endif
};
#endif
#if defined(CONFIG_SPI_NUC970_P1) || defined(CONFIG_SPI_NUC970_P1_MODULE)
static const struct spi_fram chip = {
.byte_len = 8192,
.name = "fm25cl64",
.flags = FR_ADDR2,
};
//????????? ?????esam ????esam??д?????
//?????esam????????? esam??д???? ??????
//wangjian
static struct spi_board_info nuc970_spi1_board_info[] __initdata = {
{
.modalias = "fm25",
.max_speed_hz = 9000000,
.bus_num = 1,
.chip_select = 0, //use SS0
.platform_data = &chip,
.mode = (SPI_MODE_0 | SPI_RX_DUAL | SPI_TX_DUAL),
},
{
.modalias = "tesam",
.max_speed_hz = 2000000,
.bus_num = 1,
.chip_select = 1, //use SS1
.mode = (SPI_MODE_3 | SPI_RX_DUAL | SPI_TX_DUAL),
},
};
/* spi device, spi flash info */
/*#ifdef CONFIG_BOARD_TOMATO
#ifdef CONFIG_SPI_SPIDEV
static struct spi_board_info nuc970_spi1_board_info[] __initdata = {
{
.modalias = "spidev",
.max_speed_hz = 75000000,
.bus_num = 1,
.chip_select = 0, //use SS0
.mode = SPI_MODE_0,
},
};
#endif
#else //CONFIG_BOARD_TOMATO
#ifdef CONFIG_MTD_M25P80
static struct mtd_partition nuc970_spi1_flash_partitions[] = {
{
.name = "SPI flash",
.size = 0x0200000,
.offset = 0,
},
};
static struct flash_platform_data nuc970_spi1_flash_data = {
.name = "m25p80",
.parts = nuc970_spi1_flash_partitions,
.nr_parts = ARRAY_SIZE(nuc970_spi1_flash_partitions),
.type = "en25qh16",
};
#endif
static struct spi_board_info nuc970_spi1_board_info[] __initdata = {
#ifdef CONFIG_MTD_M25P80
{
.modalias = "m25p80",
.max_speed_hz = 15000000,
.bus_num = 1,
.chip_select = 0, //use SS0
.platform_data = &nuc970_spi1_flash_data,
.mode = SPI_MODE_0,
},
#endif
#ifdef CONFIG_SPI_SPIDEV
{
.modalias = "spidev",
.max_speed_hz = 75000000,
.bus_num = 1,
.chip_select = 1, //use SS1
.mode = SPI_MODE_0,
},
#endif
};
#endif
*/
static struct nuc970_spi_info nuc970_spi1_platform_data = {
.num_cs = 2,
.lsb = 0,
.txneg = 1,
.rxneg = 0,
.divider = 4,
.sleep = 0,
.txnum = 0,
.txbitlen = 8,
.bus_num = 1,
};
static struct resource nuc970_spi1_resource[] = {
[0] = {
.start = NUC970_PA_SPI1,
.end = NUC970_PA_SPI1 + NUC970_SZ_SPI1 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_SPI1,
.end = IRQ_SPI1,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc970_device_spi1 = {
.name = "nuc970-spi1",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_spi1_resource),
.resource = nuc970_spi1_resource,
//#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_SPI_SPIDEV)
.dev = {
.platform_data = &nuc970_spi1_platform_data,
}
//#endif
};
#endif
#if defined(CONFIG_KEYBOARD_NUC970) || defined(CONFIG_KEYBOARD_NUC970_MODULE)
static int nuc970_keymap[] = {
KEY(0, 0, KEY_A), KEY(0, 1, KEY_B),
KEY(0, 2, KEY_C), KEY(0, 3, KEY_D),
KEY(0, 4, KEY_E), KEY(0, 5, KEY_F),
KEY(0, 6, KEY_G), KEY(0, 7, KEY_H),
KEY(1, 0, KEY_I), KEY(1, 1, KEY_J),
KEY(1, 2, KEY_K), KEY(1, 3, KEY_L),
KEY(1, 4, KEY_M), KEY(1, 5, KEY_N),
KEY(1, 6, KEY_O), KEY(1, 7, KEY_P),
KEY(2, 0, KEY_Q), KEY(2, 1, KEY_R),
KEY(2, 2, KEY_S), KEY(2, 3, KEY_T),
KEY(2, 4, KEY_U), KEY(2, 5, KEY_V),
KEY(2, 6, KEY_W), KEY(2, 7, KEY_X),
KEY(3, 0, KEY_Y), KEY(3, 1, KEY_Z),
KEY(3, 2, KEY_1), KEY(3, 3, KEY_2),
KEY(3, 4, KEY_3), KEY(3, 5, KEY_4),
KEY(3, 6, KEY_5), KEY(3, 7, KEY_6),
};
static struct matrix_keymap_data nuc970_map_data = {
.keymap = nuc970_keymap,
.keymap_size = ARRAY_SIZE(nuc970_keymap),
};
static struct nuc970_keypad_platform_data nuc970_keypad_info = {
.keymap_data = &nuc970_map_data,
.prescale = 0x80,
.debounce = 0x8,
};
static struct resource nuc970_kpi_resource[] = {
[0] = {
.start = NUC970_PA_KPI,
.end = NUC970_PA_KPI + NUC970_SZ_KPI - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_KPI,
.end = IRQ_KPI,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc970_device_kpi = {
.name = "nuc970-kpi",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_kpi_resource),
.resource = nuc970_kpi_resource,
.dev = {
.platform_data = &nuc970_keypad_info,
}
};
#endif
#if defined(CONFIG_RTC_DRV_NUC970) || defined(CONFIG_RTC_DRV_NUC970_MODULE)
static struct resource nuc970_rtc_resource[] = {
[0] = {
.start = NUC970_PA_RTC,
.end = NUC970_PA_RTC + NUC970_SZ_RTC - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_RTC,
.end = IRQ_RTC,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device nuc970_device_rtc = {
.name = "nuc970-rtc",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_rtc_resource),
.resource = nuc970_rtc_resource,
};
#endif
#if defined(CONFIG_NUC970_CAN0) || defined(CONFIG_NUC970_CAN0_MODULE)
static struct resource nuc970_can0_resource[] = {
[0] = {
.start = NUC970_PA_CAN,
.end = NUC970_PA_CAN + NUC970_SZ_CAN - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_CAN0,
.end = IRQ_CAN0,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device nuc970_device_can0 = {
.name = "nuc970-can0",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_can0_resource),
.resource = nuc970_can0_resource,
};
#endif
#if defined(CONFIG_NUC970_CAN1) || defined(CONFIG_NUC970_CAN1_MODULE)
static struct resource nuc970_can1_resource[] = {
[0] = {
.start = NUC970_PA_CAN1,
.end = NUC970_PA_CAN1 + NUC970_SZ_CAN1 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_CAN1,
.end = IRQ_CAN1,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device nuc970_device_can1 = {
.name = "nuc970-can1",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_can1_resource),
.resource = nuc970_can1_resource,
};
#endif
#if defined(CONFIG_NUC970_EBI) || defined(CONFIG_NUC970_EBI_MODULE)
static struct resource nuc970_ebi_resource[] = {
[0] = {
.start = NUC970_PA_EBI,
.end = NUC970_PA_EBI + NUC970_SZ_EBI - 1,
.flags = IORESOURCE_MEM,
},
};
struct platform_device nuc970_device_ebi = {
.name = "nuc970-ebi",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_ebi_resource),
.resource = nuc970_ebi_resource,
};
#endif
#if defined(CONFIG_PWM_NUC970) || defined(CONFIG_PWM_NUC970_MODULE)
static struct pwm_lookup board_pwm_lookup[] = {
PWM_LOOKUP("nuc970-pwm", 0, "pwm-backlight", NULL),
};
#if 0
static struct resource nuc970_pwm_resource[] = {
[0] = {
.start = NUC970_PA_PWM,
.end = NUC970_PA_PWM + NUC970_SZ_PWM - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_PWM,
.end = IRQ_PWM,
.flags = IORESOURCE_IRQ,
}
};
#endif
struct platform_device nuc970_device_pwm0 = {
.name = "nuc970-pwm",
.id = 0,
};
struct platform_device nuc970_device_pwm1 = {
.name = "nuc970-pwm",
.id = 1,
};
struct platform_device nuc970_device_pwm2 = {
.name = "nuc970-pwm",
.id = 2,
};
struct platform_device nuc970_device_pwm3 = {
.name = "nuc970-pwm",
.id = 3,
};
#endif
#if defined(CONFIG_NUC970_WDT) || defined(CONFIG_NUC970_WDT_MODULE)
static struct resource nuc970_wdt_resource[] = {
[0] = {
.start = NUC970_PA_WDT,
.end = NUC970_PA_WDT + NUC970_SZ_WDT - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_WDT,
.end = IRQ_WDT,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc970_device_wdt = {
.name = "nuc970-wdt",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_wdt_resource),
.resource = nuc970_wdt_resource,
};
#endif
#if defined(CONFIG_NUC970_WWDT) || defined(CONFIG_NUC970_WWDT_MODULE)
static struct resource nuc970_wwdt_resource[] = {
[0] = {
.start = NUC970_PA_WWDT,
.end = NUC970_PA_WWDT + NUC970_SZ_WWDT - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_WWDT,
.end = IRQ_WWDT,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc970_device_wwdt = {
.name = "nuc970-wwdt",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_wwdt_resource),
.resource = nuc970_wwdt_resource,
};
#endif
#if defined(CONFIG_SCUART_NUC970) || defined(CONFIG_SCUART_NUC970_MODULE)
/* Initial serial platform data */
static struct plat_nuc970serial_port nuc970_scuart_data[] = {
[0] = {
.membase = NUC970_VA_SC,
.mapbase = NUC970_PA_SC,
.irq = IRQ_SMC0,
.uartclk = 12000000,
},
[1] = {
.membase = (NUC970_VA_SC + 0x400),
.mapbase = (NUC970_PA_SC + 0x400),
.irq = IRQ_SMC1,
.uartclk = 12000000,
},
{},
};
#endif
#if defined(CONFIG_NUC970_SC) || defined(CONFIG_NUC970_SC_MODULE) || defined(CONFIG_SCUART_NUC970) || defined(CONFIG_SCUART_NUC970_MODULE)
#if defined(CONFIG_NUC970_SC) || defined(CONFIG_NUC970_SC_MODULE)
static struct resource nuc970_sc0_resource[] = {
[0] = {
.start = NUC970_PA_SC,
.end = NUC970_PA_SC + 0x400 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_SMC0,
.end = IRQ_SMC0,
.flags = IORESOURCE_IRQ,
},
};
static struct resource nuc970_sc1_resource[] = {
[0] = {
.start = NUC970_PA_SC + 0x400,
.end = NUC970_PA_SC + 0x800 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_SMC1,
.end = IRQ_SMC1,
.flags = IORESOURCE_IRQ,
},
};
#endif
struct platform_device nuc970_device_sc0 = {
.name = "nuc970-sc",
.id = 0,
#if defined(CONFIG_NUC970_SC) || defined(CONFIG_NUC970_SC_MODULE)
.num_resources = ARRAY_SIZE(nuc970_sc0_resource),
.resource = nuc970_sc0_resource,
#endif
#if defined(CONFIG_SCUART_NUC970) || defined(CONFIG_SCUART_NUC970_MODULE)
.dev = {
.platform_data = &nuc970_scuart_data[0],
},
#endif
};
struct platform_device nuc970_device_sc1 = {
.name = "nuc970-sc",
.id = 1,
#if defined(CONFIG_NUC970_SC) || defined(CONFIG_NUC970_SC_MODULE)
.num_resources = ARRAY_SIZE(nuc970_sc1_resource),
.resource = nuc970_sc1_resource,
#endif
#if defined(CONFIG_SCUART_NUC970) || defined(CONFIG_SCUART_NUC970_MODULE)
.dev = {
.platform_data = &nuc970_scuart_data[1],
},
#endif
};
#endif
#if defined(CONFIG_NUC970_ETIMER) || defined(CONFIG_NUC970_ETIMER_MODULE)
static struct resource nuc970_etimer_resource[] = {
[0] = {
.start = IRQ_ETIMER0,
.end = IRQ_ETIMER0,
.flags = IORESOURCE_IRQ,
},
[1] = {
.start = IRQ_ETIMER1,
.end = IRQ_ETIMER1,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = IRQ_ETIMER2,
.end = IRQ_ETIMER2,
.flags = IORESOURCE_IRQ,
},
[3] = {
.start = IRQ_ETIMER3,
.end = IRQ_ETIMER3,
.flags = IORESOURCE_IRQ,
},
};
struct platform_device nuc970_device_etimer0 = {
.name = "nuc970-etimer",
.id = 0,
.num_resources = ARRAY_SIZE(nuc970_etimer_resource),
.resource = nuc970_etimer_resource,
};
struct platform_device nuc970_device_etimer1 = {
.name = "nuc970-etimer",
.id = 1,
.num_resources = ARRAY_SIZE(nuc970_etimer_resource),
.resource = nuc970_etimer_resource,
};
struct platform_device nuc970_device_etimer2 = {
.name = "nuc970-etimer",
.id = 2,
.num_resources = ARRAY_SIZE(nuc970_etimer_resource),
.resource = nuc970_etimer_resource,
};
struct platform_device nuc970_device_etimer3 = {
.name = "nuc970-etimer",
.id = 3,
.num_resources = ARRAY_SIZE(nuc970_etimer_resource),
.resource = nuc970_etimer_resource,
};
#endif
#if defined(CONFIG_PINCTRL) || defined(CONFIG_PINCTRL_MODULE)
struct platform_device nuc970_device_pinctrl = {
.name = "pinctrl-nuc970",
.id = -1,
};
#endif
#if defined(CONFIG_GPIO_NUC970) || defined(CONFIG_GPIO_NUC970_MODULE)
#if defined(CONFIG_I2C_ALGOBIT) || defined(CONFIG_I2C_ALGOBIT_MODULE)
static struct i2c_board_info __initdata nuc970_i2c_clients2[] =
{
#ifdef CONFIG_SENSOR_OV7725
{I2C_BOARD_INFO("ov7725", 0x21),},
#endif
#ifdef CONFIG_SENSOR_OV5640
{I2C_BOARD_INFO("ov5640", 0x3c),},
#endif
#ifdef CONFIG_SENSOR_NT99141
{I2C_BOARD_INFO("nt99141", 0x2a),},
#endif
#ifdef CONFIG_SENSOR_NT99050
{I2C_BOARD_INFO("nt99050", 0x21),},
#endif
};
static struct i2c_gpio_platform_data i2c_gpio_adapter_data = {
.sda_pin = NUC970_PB1,
.scl_pin = NUC970_PB0,
.udelay = 1,
.timeout = 100,
.sda_is_open_drain = 0, //not support open drain mode
.scl_is_open_drain = 0, //not support open drain mode
};
static struct platform_device i2c_gpio = {
.name = "i2c-gpio",
.id = 2,
.dev = {
.platform_data = &i2c_gpio_adapter_data,
},
};
#endif
static struct resource nuc970_gpio_resource[] = {
[0] = {
.start = NUC970_PA_GPIO,
.end = NUC970_PA_GPIO + NUC970_SZ_GPIO - 1,
.flags = IORESOURCE_MEM,
},
};
struct platform_device nuc970_device_gpio = {
.name = "nuc970-gpio",
.id = 0,
.num_resources = ARRAY_SIZE(nuc970_gpio_resource),
.resource = nuc970_gpio_resource,
};
#ifndef CONFIG_OF
struct platform_device nuc970_device_eint0 = {
.name = "nuc970-gpio",
.id = 1,
};
struct platform_device nuc970_device_eint1 = {
.name = "nuc970-gpio",
.id = 2,
};
struct platform_device nuc970_device_eint2 = {
.name = "nuc970-gpio",
.id = 3,
};
struct platform_device nuc970_device_eint3 = {
.name = "nuc970-gpio",
.id = 4,
};
struct platform_device nuc970_device_eint4 = {
.name = "nuc970-gpio",
.id = 5,
};
struct platform_device nuc970_device_eint5 = {
.name = "nuc970-gpio",
.id = 6,
};
struct platform_device nuc970_device_eint6 = {
.name = "nuc970-gpio",
.id = 7,
};
struct platform_device nuc970_device_eint7 = {
.name = "nuc970-gpio",
.id = 8,
};
#endif
#endif
#if defined(CONFIG_NUC970_GE2D) || defined(CONFIG_NUC970_GE2D_MODULE)
static struct resource nuc970_ge2d_resource[] = {
[0] = {
.start = NUC970_PA_GE,
.end = NUC970_PA_GE + NUC970_SZ_GE - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_GE2D,
.end = IRQ_GE2D,
.flags = IORESOURCE_IRQ,
}
};
struct platform_device nuc970_device_ge2d = {
.name = "nuc970-ge2d",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_ge2d_resource),
.resource = nuc970_ge2d_resource,
};
#endif
#if defined(CONFIG_IIO_GPIO_TRIGGER) || defined(CONFIG_IIO_GPIO_TRIGGER_MODULE)
static struct resource iio_gpio_trigger_resources[] = {
[0] = {
.start = IRQ_GPIO_START+NUC970_PE2,
.end = IRQ_GPIO_START+NUC970_PE2,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
},
};
static struct platform_device iio_gpio_trigger = {
.name = "iio_gpio_trigger",
.num_resources = ARRAY_SIZE(iio_gpio_trigger_resources),
.resource = iio_gpio_trigger_resources,
};
#endif
#if defined(CONFIG_BACKLIGHT_PWM)
static struct platform_pwm_backlight_data nuc970_backlight_data = {
.pwm_id = 0,
.max_brightness = 1,
.dft_brightness = 1,
.pwm_period_ns = 78000,
};
struct platform_device nuc970_pwm_bl = {
.name = "pwm-backlight",
.dev = {
.platform_data = &nuc970_backlight_data,
},
};
#endif
/* --------------------------------------------------------------------
* Watchdog
* -------------------------------------------------------------------- */
#if defined(CONFIG_MAX706)
static struct platform_device max706_wdt_device = {
.name = "max706_wdt",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = (void *)NUC970_PD0,
},
};
#endif
#if defined(CONFIG_GPIO_USB_PIN)
static struct platform_device usb_pin_device = {
.name = "gpio_usb_ms",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = (void *)NUC970_PE14,
},
};
#endif
#if defined(CONFIG_KEYBOARD_GPIO)
static struct gpio_keys_button gpio_buttons[] = {
{
.code = BTN_TASK,//KEY_UP,
.gpio = NUC970_PD0,
.active_low = 0,
.desc = "up_click",
.wakeup = 1,
},
{
.code = BTN_FORWARD,//KEY_DOWN,
.gpio = NUC970_PD1,
.active_low = 0,
.desc = "down_click",
.wakeup = 1,
},
{
.code = BTN_BACK,//KEY_LEFT,
.gpio = NUC970_PD2,
.active_low = 0,
.desc = "left_click",
.wakeup = 1,
},
{
.code = BTN_LEFT,//KEY_RIGHT,
.gpio = NUC970_PD3,
.active_low = 0,
.desc = "right_click",
.wakeup = 1,
},
{
.code =BTN_RIGHT,//KEY_ENTER,//KEY_SELECT,//= KEY_OK,
.gpio = NUC970_PD4,
.active_low = 0,
.desc = "enter_click",
.wakeup = 1,
},
{
.code = BTN_MIDDLE,//KEY_DELETE,
.gpio = NUC970_PD5,
.active_low = 0,
.desc = "delete_click",
.wakeup = 1,
},
};
static struct gpio_keys_platform_data gpio_button_data_ = {
.buttons = gpio_buttons,
.nbuttons = ARRAY_SIZE(gpio_buttons),
};
static struct platform_device gpio_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &gpio_button_data_,
}
};
#endif
#if defined(CONFIG_NUC972_NADC)
static struct resource nuc970_nadc_resource[] = {
[0] = {
.start = NUC970_PA_ADC,
.end = NUC970_PA_ADC + NUC970_SZ_ADC - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_ADC,
.end = IRQ_ADC,
.flags = IORESOURCE_IRQ,
}
};
struct nuc972_adc_data {
unsigned long channels_used;
u8 channels_num;
u16 vref;
};
static struct nuc972_adc_data n972_adc_data={
.channels_used = BIT(0)|BIT(1)|BIT(2),
.channels_num = 3,
.vref = 3300,
};
static struct platform_device nuc972_nadc = {
.name = "nuc972_nadc",
.id = -1,
.num_resources = ARRAY_SIZE(nuc970_nadc_resource),
.resource = nuc970_nadc_resource,
.dev = {
.platform_data = &n972_adc_data,
}
};
#endif
static struct platform_device *nuc970_public_dev[] __initdata = {
//*****************************************
#if defined(CONFIG_NUC970_WDT) || defined(CONFIG_NUC970_WDT_MODULE)
&nuc970_device_wdt,
#endif
#if defined(CONFIG_MAX706)
&max706_wdt_device,
#endif
#if defined(CONFIG_GPIO_USB_PIN)
&usb_pin_device,
#endif
#if defined(CONFIG_KEYBOARD_GPIO)
&gpio_button_device,
#endif
#if defined(CONFIG_NUC972_NADC)
&nuc972_nadc,
#endif
//******************************************
&nuc970_serial_device0,
#if defined(CONFIG_NUC970_UART1) || defined(CONFIG_NUC970_UART1_MODULE)
&nuc970_serial_device1,
#endif
#if defined(CONFIG_NUC970_UART2) || defined(CONFIG_NUC970_UART2_MODULE)
&nuc970_serial_device2,
#endif
#if defined(CONFIG_NUC970_UART3) || defined(CONFIG_NUC970_UART3_MODULE)
&nuc970_serial_device3,
#endif
#if defined(CONFIG_NUC970_UART4) || defined(CONFIG_NUC970_UART4_MODULE)
&nuc970_serial_device4,
#endif
#if defined(CONFIG_NUC970_UART5) || defined(CONFIG_NUC970_UART5_MODULE)
&nuc970_serial_device5,
#endif
#if defined(CONFIG_NUC970_UART6) || defined(CONFIG_NUC970_UART6_MODULE)
&nuc970_serial_device6,
#endif
#if defined(CONFIG_NUC970_UART7) || defined(CONFIG_NUC970_UART7_MODULE)
&nuc970_serial_device7,
#endif
#if defined(CONFIG_NUC970_UART8) || defined(CONFIG_NUC970_UART8_MODULE)
&nuc970_serial_device8,
#endif
#if defined(CONFIG_NUC970_UART9) || defined(CONFIG_NUC970_UART9_MODULE)
&nuc970_serial_device9,
#endif
#if defined(CONFIG_NUC970_UART10) || defined(CONFIG_NUC970_UART10_MODULE)
&nuc970_serial_device10,
#endif
#if defined(CONFIG_NUC970_CAN0) || defined(CONFIG_NUC970_CAN0_MODULE)
&nuc970_device_can0,
#endif
#if defined(CONFIG_NUC970_CAN1) || defined(CONFIG_NUC970_CAN1_MODULE)
&nuc970_device_can1,
#endif
#if defined(CONFIG_NUC970_EBI) || defined(CONFIG_NUC970_EBI_MODULE)
&nuc970_device_ebi,
#endif
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
&nuc970_device_ohci,
#endif
#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
&nuc970_device_ehci,
#endif
#if defined(CONFIG_CRYPTO_DEV_NUC970) || defined(CONFIG_CRYPTO_DEV_NUC970_MODULE)
&nuc970_device_crypto,
#endif
#if defined(CONFIG_FB_NUC970) || defined(CONFIG_FB_NUC970_MODULE)
&nuc970fb_device_lcd,
#endif
#if defined(CONFIG_I2C_BUS_NUC970_P0) || defined(CONFIG_I2C_BUS_NUC970_P0_MODULE)
&nuc970_device_i2c0,
#endif
#if defined(CONFIG_I2C_BUS_NUC970_P1) || defined(CONFIG_I2C_BUS_NUC970_P1_MODULE)
&nuc970_device_i2c1,
#endif
#if defined(CONFIG_NUC970_DMA) || defined(CONFIG_NUC970_DMA_MODULE)
&nuc970_device_gdma,
#endif
#if defined(CONFIG_MMC_NUC970_SD) || defined(CONFIG_MMC_NUC970_SD_MODULE)
&nuc970_device_sdh,
#endif
#if defined(CONFIG_MTD_NAND_NUC970) || defined(CONFIG_MTD_NAND_NUC970_MODULE) || defined(CONFIG_MMC_NUC970_EMMC) || defined(CONFIG_MMC_NUC970_EMMC_MODULE)
&nuc970_device_fmi,
#endif
#if defined(CONFIG_NUC970_JPEG_CODEC) || defined(CONFIG_NUC970_JPEG_CODEC_MODULE)
&nuc970_device_jpeg,
#endif
#if defined(CONFIG_NUC970_ETH0) || defined(CONFIG_NUC970_ETH0_MODULE)
&nuc970_device_emac0,
#endif
#if defined(CONFIG_NUC970_ETH1) || defined(CONFIG_NUC970_ETH1_MODULE)
&nuc970_device_emac1,
#endif
#if defined(CONFIG_PWM_NUC970) || defined(CONFIG_PWM_NUC970_MODULE)
&nuc970_device_pwm0,
// &nuc970_device_pwm1,
// &nuc970_device_pwm2,
// &nuc970_device_pwm3,
#endif
#if defined(CONFIG_NUC970_WWDT) || defined(CONFIG_NUC970_WWDT_MODULE)
&nuc970_device_wwdt,
#endif
#if defined(CONFIG_VIDEO_NUC970) || defined(CONFIG_VIDEO_NUC970_MODULE)
&nuc970_device_cap,
#endif
#if defined(CONFIG_SND_SOC_NUC970) || defined(CONFIG_SND_SOC_NUC970_MODULE)
&nuc970_device_audio_pcm,
&nuc970_device_audio,
&nuc970_device_audio_i2s,
#endif
#if defined(CONFIG_USB_NUC970) || defined(CONFIG_USB_NUC970_MODULE)
&nuc970_device_usbgadget,
#endif
#if defined(CONFIG_SPI_NUC970_P0) || defined(CONFIG_SPI_NUC970_P0_MODULE)
&nuc970_device_spi0,
#endif
#if defined(CONFIG_SPI_NUC970_P1) || defined(CONFIG_SPI_NUC970_P1_MODULE)
&nuc970_device_spi1,
#endif
#if defined(CONFIG_NUC970_ADC) || defined(CONFIG_NUC970_ADC_MODULE)
&nuc970_device_adc,
#endif
#if defined(CONFIG_NUC970_NADC) || defined(CONFIG_NUC970_NADC_MODULE)
&nuc970_device_nadc,
#endif
#if defined(CONFIG_NUC970_ETIMER) || defined(CONFIG_NUC970_ETIMER_MODULE)
&nuc970_device_etimer0,
&nuc970_device_etimer1,
&nuc970_device_etimer2,
&nuc970_device_etimer3,
#endif
#if defined(CONFIG_PINCTRL) || defined(CONFIG_PINCTRL_MODULE)
&nuc970_device_pinctrl,
#endif
#if defined(CONFIG_KEYBOARD_NUC970) || defined(CONFIG_KEYBOARD_NUC970_MODULE)
&nuc970_device_kpi,
#endif
#if defined(CONFIG_RTC_DRV_NUC970) || defined(CONFIG_RTC_DRV_NUC970_MODULE)
&nuc970_device_rtc,
#endif
#if defined(CONFIG_GPIO_NUC970) || defined(CONFIG_GPIO_NUC970_MODULE)
&nuc970_device_gpio,
#ifndef CONFIG_OF
&nuc970_device_eint0,
&nuc970_device_eint1,
&nuc970_device_eint2,
&nuc970_device_eint3,
&nuc970_device_eint4,
&nuc970_device_eint5,
&nuc970_device_eint6,
&nuc970_device_eint7,
#endif
#endif
#if defined(CONFIG_I2C_ALGOBIT) || defined(CONFIG_I2C_ALGOBIT_MODULE)
&i2c_gpio,
#endif
#if defined(CONFIG_NUC970_SC) || defined(CONFIG_NUC970_SC_MODULE) || defined(CONFIG_SCUART_NUC970) || defined(CONFIG_SCUART_NUC970_MODULE)
&nuc970_device_sc0,
&nuc970_device_sc1,
#endif
#if defined(CONFIG_NUC970_GE2D) || defined(CONFIG_NUC970_GE2D_MODULE)
&nuc970_device_ge2d,
#endif
#if defined(CONFIG_IIO_GPIO_TRIGGER) || defined(CONFIG_IIO_GPIO_TRIGGER_MODULE)
&iio_gpio_trigger,
#endif
#if defined(CONFIG_BACKLIGHT_PWM)
&nuc970_pwm_bl,
#endif
};
void __init nuc970_platform_init(struct platform_device **device, int size)
{
platform_add_devices(device, size);
platform_add_devices(nuc970_public_dev, ARRAY_SIZE(nuc970_public_dev));
//#if defined(CONFIG_MTD_M25P80) || defined(CONFIG_SPI_SPIDEV) || defined(CONFIG_SPI_SPIDEV_MODULE)
/* register spi devices */
#if defined(CONFIG_SPI_NUC970_P0) || defined(CONFIG_SPI_NUC970_P0_MODULE)
spi_register_board_info(nuc970_spi0_board_info, ARRAY_SIZE(nuc970_spi0_board_info));
#endif
#if defined(CONFIG_SPI_NUC970_P1) || defined(CONFIG_SPI_NUC970_P1_MODULE)
spi_register_board_info(nuc970_spi1_board_info, ARRAY_SIZE(nuc970_spi1_board_info));
#endif
//#endif
#if defined(CONFIG_I2C_BUS_NUC970_P0) || defined(CONFIG_I2C_BUS_NUC970_P0_MODULE)
i2c_register_board_info(0, nuc970_i2c_clients0, sizeof(nuc970_i2c_clients0)/sizeof(struct i2c_board_info));
#endif
#if defined(CONFIG_I2C_BUS_NUC970_P1) || defined(CONFIG_I2C_BUS_NUC970_P1_MODULE)
i2c_register_board_info(1, nuc970_i2c_clients1, sizeof(nuc970_i2c_clients1)/sizeof(struct i2c_board_info));
#endif
#if defined(CONFIG_GPIO_NUC970) || defined(CONFIG_GPIO_NUC970_MODULE)
#if defined(CONFIG_I2C_ALGOBIT) || defined(CONFIG_I2C_ALGOBIT_MODULE)
i2c_register_board_info(2, nuc970_i2c_clients2, sizeof(nuc970_i2c_clients2)/sizeof(struct i2c_board_info));
#endif
#endif
#if defined(CONFIG_PWM_NUC970) || defined(CONFIG_PWM_NUC970_MODULE)
pwm_add_table(board_pwm_lookup, ARRAY_SIZE(board_pwm_lookup));
#endif
}
内核驱动目录
驱动编写，以lcd驱动为例
drivers/minenuc/lcd-uc1698u.c
/*
* Filename: lcd-uc1698u.c
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program;
*/
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
//#include "lcd-uc1698u.h"
#define UC1698U_NAME "lcd-uc1698u"
#define UC1698U_RATE 10
#define UC1698U_CTRL 0
#define UC1698U_DATA 1
#define SPI0SS1 NUC970_PB0
struct uc1698u_data {
struct spi_device *spi;
struct mutex lock;
u8 cd_pin;
u8 rst_pin;
u8 bl_pin;
struct miscdevice dev;
};
int uc1698u_write_ram(struct uc1698u_data *uc1698u,
u8 *data, int data_len)
{
int status;
struct spi_transfer t;
struct spi_message m;
//gpio_set_value(uc1698u->cd_pin, UC1698U_DATA);
//gpio_set_value(uc1698u->cd_pin, data[0]);
//msleep(1);
/* int state;
state = gpio_request(SPI0SS1,"SPI0SS1");
if(state)
printk("spioss1 get fail\n");
gpio_direction_output(SPI0SS1, GPIOF_INIT_LOW);
msleep(5);*/
spi_message_init(&m);
memset(&t, 0, sizeof t);
t.tx_buf = data;
t.len = data_len;
spi_message_add_tail(&t, &m);
mutex_lock(&uc1698u->lock);
/* Read it all at once.
*
* REVISIT that's potentially a problem with large chips, if
* other devices on the bus need to be accessed regularly or
* this chip is clocked very slowly
*/
status = spi_sync(uc1698u->spi, &m);
mutex_unlock(&uc1698u->lock);
/* gpio_set_value(SPI0SS1,1);
gpio_free(SPI0SS1);*/
return status ? status : (data_len);
}
/*-------------------------------------------------------------------------*/
static ssize_t uc1698u_write(struct file *filp, const char __user *buf,
size_t count, loff_t *ppos)
{
int ret = 0;
unsigned char *kbuf;
int i;
struct uc1698u_data *uc1698u = container_of(filp->private_data,struct uc1698u_data, dev);
if (0 >= count) return -EINVAL;
if (!(kbuf = kzalloc(count, GFP_KERNEL))) {
return -ENOMEM;
}
if (0 != copy_from_user(kbuf, buf, count)) {
kfree(kbuf);
return -EFAULT;
}
// printk("!!!!!!spi uc1608lcd write count=%d\n",count);
// for(i=0;idev.platform_data;
if (!pins) {
dev_err(&spi->dev, "no pins description\n");
err = -ENODEV;
goto out_err;
}
*/
printk("!!!!!!uc1608lcd probe!!!!!!\n");
uc1698u = kzalloc(sizeof *uc1698u, GFP_KERNEL);
if (!uc1698u) {
dev_err(&spi->dev, "no memory\n");
err = -ENOMEM;
goto out_err;
}
mutex_init(&uc1698u->lock);
//uc1698u->bl_pin = pins >> 16;
//uc1698u->rst_pin = pins >> 8;
//uc1698u->cd_pin = pins;
uc1698u->spi = spi_dev_get(spi);
dev_set_drvdata(&spi->dev, uc1698u);
//err = gpio_request(uc1698u->bl_pin, "uc1698u_bl");
//if (err) {
//dev_err(&spi->dev, "failed to get gpio for lcd backlight\n");
//goto out_bl_request;
//}
uc1698u->dev.minor = MISC_DYNAMIC_MINOR,
uc1698u->dev.name = "lcd",
uc1698u->dev.fops = &uc1698u_fops,
err = misc_register(&uc1698u->dev);
if (err) {
dev_err(&spi->dev, "cannot register miscdev (err=%d)\n", err);
//goto out_misc_register;
goto out_bl_request;
}
return 0;
//out_misc_register:
//gpio_free(uc1698u->bl_pin);
out_bl_request:
kfree(uc1698u);
out_err:
dev_dbg(&spi->dev, "probe err %d\n", err);
return err;
}
static int uc1698u_remove(struct spi_device *spi)
{
struct uc1698u_data *uc1698u;
uc1698u = dev_get_drvdata(&spi->dev);
misc_deregister(&uc1698u->dev);
//gpio_free(uc1698u->cd_pin);
//gpio_free(uc1698u->bl_pin);
//gpio_free(uc1698u->rst_pin);
kfree(uc1698u);
return 0;
}
/*-------------------------------------------------------------------------*/
static struct spi_driver uc1698u_driver = {
.driver = {
.name = "lcd_spi",
.owner = THIS_MODULE,
},
.probe = uc1698u_probe,
.remove = uc1698u_remove,
};
static int __init uc1698u_init(void)
{
return spi_register_driver(&uc1698u_driver);
}
module_init(uc1698u_init);
static void __exit uc1698u_exit(void)
{
spi_unregister_driver(&uc1698u_driver);
}
module_exit(uc1698u_exit);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("");
MODULE_DESCRIPTION("lmg128641a LCD driver");