| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| H Hartley Sweeten | 922 | 96.34% | 5 | 38.46% |
| Laurent Pinchart | 16 | 1.67% | 1 | 7.69% |
| Russell King | 5 | 0.52% | 1 | 7.69% |
| Shawn Guo | 5 | 0.52% | 1 | 7.69% |
| Ryan Mallon | 3 | 0.31% | 1 | 7.69% |
| Arnd Bergmann | 3 | 0.31% | 2 | 15.38% |
| Stephen Warren | 2 | 0.21% | 1 | 7.69% |
| Vivien Didelot | 1 | 0.10% | 1 | 7.69% |
| Total | 957 | 13 |
/* * arch/arm/mach-ep93xx/vision_ep9307.c * Vision Engraving Systems EP9307 SoM support. * * Copyright (C) 2008-2011 Vision Engraving Systems * H Hartley Sweeten <hsweeten@visionengravers.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> #include <linux/irq.h> #include <linux/gpio.h> #include <linux/fb.h> #include <linux/io.h> #include <linux/mtd/partitions.h> #include <linux/i2c.h> #include <linux/platform_data/pca953x.h> #include <linux/spi/spi.h> #include <linux/spi/flash.h> #include <linux/spi/mmc_spi.h> #include <linux/mmc/host.h> #include <sound/cs4271.h> #include <mach/hardware.h> #include <linux/platform_data/video-ep93xx.h> #include <linux/platform_data/spi-ep93xx.h> #include <mach/gpio-ep93xx.h> #include <asm/mach-types.h> #include <asm/mach/map.h> #include <asm/mach/arch.h> #include "soc.h" /************************************************************************* * Static I/O mappings for the FPGA *************************************************************************/ #define VISION_PHYS_BASE EP93XX_CS7_PHYS_BASE #define VISION_VIRT_BASE 0xfebff000 static struct map_desc vision_io_desc[] __initdata = { { .virtual = VISION_VIRT_BASE, .pfn = __phys_to_pfn(VISION_PHYS_BASE), .length = SZ_4K, .type = MT_DEVICE, }, }; static void __init vision_map_io(void) { ep93xx_map_io(); iotable_init(vision_io_desc, ARRAY_SIZE(vision_io_desc)); } /************************************************************************* * Ethernet *************************************************************************/ static struct ep93xx_eth_data vision_eth_data __initdata = { .phy_id = 1, }; /************************************************************************* * Framebuffer *************************************************************************/ #define VISION_LCD_ENABLE EP93XX_GPIO_LINE_EGPIO1 static int vision_lcd_setup(struct platform_device *pdev) { int err; err = gpio_request_one(VISION_LCD_ENABLE, GPIOF_INIT_HIGH, dev_name(&pdev->dev)); if (err) return err; ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_RAS | EP93XX_SYSCON_DEVCFG_RASONP3 | EP93XX_SYSCON_DEVCFG_EXVC); return 0; } static void vision_lcd_teardown(struct platform_device *pdev) { gpio_free(VISION_LCD_ENABLE); } static void vision_lcd_blank(int blank_mode, struct fb_info *info) { if (blank_mode) gpio_set_value(VISION_LCD_ENABLE, 0); else gpio_set_value(VISION_LCD_ENABLE, 1); } static struct ep93xxfb_mach_info ep93xxfb_info __initdata = { .flags = EP93XXFB_USE_SDCSN0 | EP93XXFB_PCLK_FALLING, .setup = vision_lcd_setup, .teardown = vision_lcd_teardown, .blank = vision_lcd_blank, }; /************************************************************************* * GPIO Expanders *************************************************************************/ #define PCA9539_74_GPIO_BASE (EP93XX_GPIO_LINE_MAX + 1) #define PCA9539_75_GPIO_BASE (PCA9539_74_GPIO_BASE + 16) #define PCA9539_76_GPIO_BASE (PCA9539_75_GPIO_BASE + 16) #define PCA9539_77_GPIO_BASE (PCA9539_76_GPIO_BASE + 16) static struct pca953x_platform_data pca953x_74_gpio_data = { .gpio_base = PCA9539_74_GPIO_BASE, .irq_base = EP93XX_BOARD_IRQ(0), }; static struct pca953x_platform_data pca953x_75_gpio_data = { .gpio_base = PCA9539_75_GPIO_BASE, .irq_base = -1, }; static struct pca953x_platform_data pca953x_76_gpio_data = { .gpio_base = PCA9539_76_GPIO_BASE, .irq_base = -1, }; static struct pca953x_platform_data pca953x_77_gpio_data = { .gpio_base = PCA9539_77_GPIO_BASE, .irq_base = -1, }; /************************************************************************* * I2C Bus *************************************************************************/ static struct i2c_board_info vision_i2c_info[] __initdata = { { I2C_BOARD_INFO("isl1208", 0x6f), .irq = IRQ_EP93XX_EXT1, }, { I2C_BOARD_INFO("pca9539", 0x74), .platform_data = &pca953x_74_gpio_data, }, { I2C_BOARD_INFO("pca9539", 0x75), .platform_data = &pca953x_75_gpio_data, }, { I2C_BOARD_INFO("pca9539", 0x76), .platform_data = &pca953x_76_gpio_data, }, { I2C_BOARD_INFO("pca9539", 0x77), .platform_data = &pca953x_77_gpio_data, }, }; /************************************************************************* * SPI CS4271 Audio Codec *************************************************************************/ static struct cs4271_platform_data vision_cs4271_data = { .gpio_nreset = EP93XX_GPIO_LINE_H(2), }; /************************************************************************* * SPI Flash *************************************************************************/ static struct mtd_partition vision_spi_flash_partitions[] = { { .name = "SPI bootstrap", .offset = 0, .size = SZ_4K, }, { .name = "Bootstrap config", .offset = MTDPART_OFS_APPEND, .size = SZ_4K, }, { .name = "System config", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, }, }; static struct flash_platform_data vision_spi_flash_data = { .name = "SPI Flash", .parts = vision_spi_flash_partitions, .nr_parts = ARRAY_SIZE(vision_spi_flash_partitions), }; /************************************************************************* * SPI SD/MMC host *************************************************************************/ static struct mmc_spi_platform_data vision_spi_mmc_data = { .detect_delay = 100, .powerup_msecs = 100, .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, .flags = MMC_SPI_USE_CD_GPIO | MMC_SPI_USE_RO_GPIO, .cd_gpio = EP93XX_GPIO_LINE_EGPIO15, .cd_debounce = 1, .ro_gpio = EP93XX_GPIO_LINE_F(0), .caps2 = MMC_CAP2_RO_ACTIVE_HIGH, }; /************************************************************************* * SPI Bus *************************************************************************/ static struct spi_board_info vision_spi_board_info[] __initdata = { { .modalias = "cs4271", .platform_data = &vision_cs4271_data, .max_speed_hz = 6000000, .bus_num = 0, .chip_select = 0, .mode = SPI_MODE_3, }, { .modalias = "sst25l", .platform_data = &vision_spi_flash_data, .max_speed_hz = 20000000, .bus_num = 0, .chip_select = 1, .mode = SPI_MODE_3, }, { .modalias = "mmc_spi", .platform_data = &vision_spi_mmc_data, .max_speed_hz = 20000000, .bus_num = 0, .chip_select = 2, .mode = SPI_MODE_3, }, }; static int vision_spi_chipselects[] __initdata = { EP93XX_GPIO_LINE_EGPIO6, EP93XX_GPIO_LINE_EGPIO7, EP93XX_GPIO_LINE_G(2), }; static struct ep93xx_spi_info vision_spi_master __initdata = { .chipselect = vision_spi_chipselects, .num_chipselect = ARRAY_SIZE(vision_spi_chipselects), .use_dma = 1, }; /************************************************************************* * I2S Audio *************************************************************************/ static struct platform_device vision_audio_device = { .name = "edb93xx-audio", .id = -1, }; static void __init vision_register_i2s(void) { ep93xx_register_i2s(); platform_device_register(&vision_audio_device); } /************************************************************************* * Machine Initialization *************************************************************************/ static void __init vision_init_machine(void) { ep93xx_init_devices(); ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_64M); ep93xx_register_eth(&vision_eth_data, 1); ep93xx_register_fb(&ep93xxfb_info); ep93xx_register_pwm(1, 0); /* * Request the gpio expander's interrupt gpio line now to prevent * the kernel from doing a WARN in gpiolib:gpio_ensure_requested(). */ if (gpio_request_one(EP93XX_GPIO_LINE_F(7), GPIOF_DIR_IN, "pca9539:74")) pr_warn("cannot request interrupt gpio for pca9539:74\n"); vision_i2c_info[1].irq = gpio_to_irq(EP93XX_GPIO_LINE_F(7)); ep93xx_register_i2c(vision_i2c_info, ARRAY_SIZE(vision_i2c_info)); ep93xx_register_spi(&vision_spi_master, vision_spi_board_info, ARRAY_SIZE(vision_spi_board_info)); vision_register_i2s(); } MACHINE_START(VISION_EP9307, "Vision Engraving Systems EP9307") /* Maintainer: H Hartley Sweeten <hsweeten@visionengravers.com> */ .atag_offset = 0x100, .map_io = vision_map_io, .init_irq = ep93xx_init_irq, .init_time = ep93xx_timer_init, .init_machine = vision_init_machine, .init_late = ep93xx_init_late, .restart = ep93xx_restart, MACHINE_END
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