diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-mx27ads.c')
| -rw-r--r-- | arch/arm/mach-imx/mach-mx27ads.c | 407 |
1 files changed, 0 insertions, 407 deletions
diff --git a/arch/arm/mach-imx/mach-mx27ads.c b/arch/arm/mach-imx/mach-mx27ads.c deleted file mode 100644 index ba202f95bcdf..000000000000 --- a/arch/arm/mach-imx/mach-mx27ads.c +++ /dev/null @@ -1,407 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright (C) 2000 Deep Blue Solutions Ltd - * Copyright (C) 2002 Shane Nay (shane@minirl.com) - * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved. - */ -#include <linux/gpio/driver.h> -/* Needed for gpio_to_irq() */ -#include <linux/gpio.h> -#include <linux/gpio/machine.h> -#include <linux/platform_device.h> -#include <linux/mtd/mtd.h> -#include <linux/mtd/map.h> -#include <linux/mtd/partitions.h> -#include <linux/mtd/physmap.h> -#include <linux/i2c.h> -#include <linux/irq.h> - -#include <linux/regulator/fixed.h> -#include <linux/regulator/machine.h> - -#include <asm/mach-types.h> -#include <asm/mach/arch.h> -#include <asm/mach/time.h> -#include <asm/mach/map.h> - -#include "common.h" -#include "devices-imx27.h" -#include "hardware.h" -#include "iomux-mx27.h" - -/* - * Base address of PBC controller, CS4 - */ -#define PBC_BASE_ADDRESS 0xf4300000 -#define PBC_REG_ADDR(offset) (void __force __iomem *) \ - (PBC_BASE_ADDRESS + (offset)) - -/* When the PBC address connection is fixed in h/w, defined as 1 */ -#define PBC_ADDR_SH 0 - -/* Offsets for the PBC Controller register */ -/* - * PBC Board version register offset - */ -#define PBC_VERSION_REG PBC_REG_ADDR(0x00000 >> PBC_ADDR_SH) -/* - * PBC Board control register 1 set address. - */ -#define PBC_BCTRL1_SET_REG PBC_REG_ADDR(0x00008 >> PBC_ADDR_SH) -/* - * PBC Board control register 1 clear address. - */ -#define PBC_BCTRL1_CLEAR_REG PBC_REG_ADDR(0x0000C >> PBC_ADDR_SH) - -/* PBC Board Control Register 1 bit definitions */ -#define PBC_BCTRL1_LCDON 0x0800 /* Enable the LCD */ - -/* to determine the correct external crystal reference */ -#define CKIH_27MHZ_BIT_SET (1 << 3) - -static const int mx27ads_pins[] __initconst = { - /* UART0 */ - PE12_PF_UART1_TXD, - PE13_PF_UART1_RXD, - PE14_PF_UART1_CTS, - PE15_PF_UART1_RTS, - /* UART1 */ - PE3_PF_UART2_CTS, - PE4_PF_UART2_RTS, - PE6_PF_UART2_TXD, - PE7_PF_UART2_RXD, - /* UART2 */ - PE8_PF_UART3_TXD, - PE9_PF_UART3_RXD, - PE10_PF_UART3_CTS, - PE11_PF_UART3_RTS, - /* UART3 */ - PB26_AF_UART4_RTS, - PB28_AF_UART4_TXD, - PB29_AF_UART4_CTS, - PB31_AF_UART4_RXD, - /* UART4 */ - PB18_AF_UART5_TXD, - PB19_AF_UART5_RXD, - PB20_AF_UART5_CTS, - PB21_AF_UART5_RTS, - /* UART5 */ - PB10_AF_UART6_TXD, - PB12_AF_UART6_CTS, - PB11_AF_UART6_RXD, - PB13_AF_UART6_RTS, - /* FEC */ - PD0_AIN_FEC_TXD0, - PD1_AIN_FEC_TXD1, - PD2_AIN_FEC_TXD2, - PD3_AIN_FEC_TXD3, - PD4_AOUT_FEC_RX_ER, - PD5_AOUT_FEC_RXD1, - PD6_AOUT_FEC_RXD2, - PD7_AOUT_FEC_RXD3, - PD8_AF_FEC_MDIO, - PD9_AIN_FEC_MDC, - PD10_AOUT_FEC_CRS, - PD11_AOUT_FEC_TX_CLK, - PD12_AOUT_FEC_RXD0, - PD13_AOUT_FEC_RX_DV, - PD14_AOUT_FEC_RX_CLK, - PD15_AOUT_FEC_COL, - PD16_AIN_FEC_TX_ER, - PF23_AIN_FEC_TX_EN, - /* I2C2 */ - PC5_PF_I2C2_SDA, - PC6_PF_I2C2_SCL, - /* FB */ - PA5_PF_LSCLK, - PA6_PF_LD0, - PA7_PF_LD1, - PA8_PF_LD2, - PA9_PF_LD3, - PA10_PF_LD4, - PA11_PF_LD5, - PA12_PF_LD6, - PA13_PF_LD7, - PA14_PF_LD8, - PA15_PF_LD9, - PA16_PF_LD10, - PA17_PF_LD11, - PA18_PF_LD12, - PA19_PF_LD13, - PA20_PF_LD14, - PA21_PF_LD15, - PA22_PF_LD16, - PA23_PF_LD17, - PA24_PF_REV, - PA25_PF_CLS, - PA26_PF_PS, - PA27_PF_SPL_SPR, - PA28_PF_HSYNC, - PA29_PF_VSYNC, - PA30_PF_CONTRAST, - PA31_PF_OE_ACD, - /* OWIRE */ - PE16_AF_OWIRE, - /* SDHC1*/ - PE18_PF_SD1_D0, - PE19_PF_SD1_D1, - PE20_PF_SD1_D2, - PE21_PF_SD1_D3, - PE22_PF_SD1_CMD, - PE23_PF_SD1_CLK, - /* SDHC2*/ - PB4_PF_SD2_D0, - PB5_PF_SD2_D1, - PB6_PF_SD2_D2, - PB7_PF_SD2_D3, - PB8_PF_SD2_CMD, - PB9_PF_SD2_CLK, -}; - -static const struct mxc_nand_platform_data -mx27ads_nand_board_info __initconst = { - .width = 1, - .hw_ecc = 1, -}; - -/* ADS's NOR flash */ -static struct physmap_flash_data mx27ads_flash_data = { - .width = 2, -}; - -static struct resource mx27ads_flash_resource = { - .start = 0xc0000000, - .end = 0xc0000000 + 0x02000000 - 1, - .flags = IORESOURCE_MEM, - -}; - -static struct platform_device mx27ads_nor_mtd_device = { - .name = "physmap-flash", - .id = 0, - .dev = { - .platform_data = &mx27ads_flash_data, - }, - .num_resources = 1, - .resource = &mx27ads_flash_resource, -}; - -static const struct imxi2c_platform_data mx27ads_i2c1_data __initconst = { - .bitrate = 100000, -}; - -static struct i2c_board_info mx27ads_i2c_devices[] = { -}; - -static void vgpio_set(struct gpio_chip *chip, unsigned offset, int value) -{ - if (value) - imx_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG); - else - imx_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG); -} - -static int vgpio_dir_out(struct gpio_chip *chip, unsigned offset, int value) -{ - return 0; -} - -#define MX27ADS_LCD_GPIO (6 * 32) - -static struct regulator_consumer_supply mx27ads_lcd_regulator_consumer = - REGULATOR_SUPPLY("lcd", "imx-fb.0"); - -static struct regulator_init_data mx27ads_lcd_regulator_init_data = { - .constraints = { - .valid_ops_mask = REGULATOR_CHANGE_STATUS, -}, - .consumer_supplies = &mx27ads_lcd_regulator_consumer, - .num_consumer_supplies = 1, -}; - -static struct fixed_voltage_config mx27ads_lcd_regulator_pdata = { - .supply_name = "LCD", - .microvolts = 3300000, - .init_data = &mx27ads_lcd_regulator_init_data, -}; - -static struct gpiod_lookup_table mx27ads_lcd_regulator_gpiod_table = { - .dev_id = "reg-fixed-voltage.0", /* Let's hope ID 0 is what we get */ - .table = { - GPIO_LOOKUP("LCD", 0, NULL, GPIO_ACTIVE_LOW), - { }, - }, -}; - -static void __init mx27ads_regulator_init(void) -{ - struct gpio_chip *vchip; - - vchip = kzalloc(sizeof(*vchip), GFP_KERNEL); - vchip->owner = THIS_MODULE; - vchip->label = "LCD"; - vchip->base = MX27ADS_LCD_GPIO; - vchip->ngpio = 1; - vchip->direction_output = vgpio_dir_out; - vchip->set = vgpio_set; - gpiochip_add_data(vchip, NULL); - - gpiod_add_lookup_table(&mx27ads_lcd_regulator_gpiod_table); - - platform_device_register_data(NULL, "reg-fixed-voltage", - PLATFORM_DEVID_AUTO, - &mx27ads_lcd_regulator_pdata, - sizeof(mx27ads_lcd_regulator_pdata)); -} - -static struct imx_fb_videomode mx27ads_modes[] = { - { - .mode = { - .name = "Sharp-LQ035Q7", - .refresh = 60, - .xres = 240, - .yres = 320, - .pixclock = 188679, /* in ps (5.3MHz) */ - .hsync_len = 1, - .left_margin = 9, - .right_margin = 16, - .vsync_len = 1, - .upper_margin = 7, - .lower_margin = 9, - }, - .bpp = 16, - .pcr = 0xFB008BC0, - }, -}; - -static const struct imx_fb_platform_data mx27ads_fb_data __initconst = { - .mode = mx27ads_modes, - .num_modes = ARRAY_SIZE(mx27ads_modes), - - /* - * - HSYNC active high - * - VSYNC active high - * - clk notenabled while idle - * - clock inverted - * - data not inverted - * - data enable low active - * - enable sharp mode - */ - .pwmr = 0x00A903FF, - .lscr1 = 0x00120300, - .dmacr = 0x00020010, -}; - -static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq, - void *data) -{ - return request_irq(gpio_to_irq(IMX_GPIO_NR(5, 21)), detect_irq, - IRQF_TRIGGER_RISING, "sdhc1-card-detect", data); -} - -static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq, - void *data) -{ - return request_irq(gpio_to_irq(IMX_GPIO_NR(2, 7)), detect_irq, - IRQF_TRIGGER_RISING, "sdhc2-card-detect", data); -} - -static void mx27ads_sdhc1_exit(struct device *dev, void *data) -{ - free_irq(gpio_to_irq(IMX_GPIO_NR(5, 21)), data); -} - -static void mx27ads_sdhc2_exit(struct device *dev, void *data) -{ - free_irq(gpio_to_irq(IMX_GPIO_NR(2, 7)), data); -} - -static const struct imxmmc_platform_data sdhc1_pdata __initconst = { - .init = mx27ads_sdhc1_init, - .exit = mx27ads_sdhc1_exit, -}; - -static const struct imxmmc_platform_data sdhc2_pdata __initconst = { - .init = mx27ads_sdhc2_init, - .exit = mx27ads_sdhc2_exit, -}; - -static struct platform_device *platform_devices[] __initdata = { - &mx27ads_nor_mtd_device, -}; - -static const struct imxuart_platform_data uart_pdata __initconst = { - .flags = IMXUART_HAVE_RTSCTS, -}; - -static void __init mx27ads_board_init(void) -{ - imx27_soc_init(); - - mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins), - "mx27ads"); - - imx27_add_imx_uart0(&uart_pdata); - imx27_add_imx_uart1(&uart_pdata); - imx27_add_imx_uart2(&uart_pdata); - imx27_add_imx_uart3(&uart_pdata); - imx27_add_imx_uart4(&uart_pdata); - imx27_add_imx_uart5(&uart_pdata); - imx27_add_mxc_nand(&mx27ads_nand_board_info); - - /* only the i2c master 1 is used on this CPU card */ - i2c_register_board_info(1, mx27ads_i2c_devices, - ARRAY_SIZE(mx27ads_i2c_devices)); - imx27_add_imx_i2c(1, &mx27ads_i2c1_data); - imx27_add_imx_fb(&mx27ads_fb_data); - - imx27_add_fec(NULL); - imx27_add_mxc_w1(); -} - -static void __init mx27ads_late_init(void) -{ - mx27ads_regulator_init(); - - imx27_add_mxc_mmc(0, &sdhc1_pdata); - imx27_add_mxc_mmc(1, &sdhc2_pdata); - - platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); -} - -static void __init mx27ads_timer_init(void) -{ - unsigned long fref = 26000000; - - if ((imx_readw(PBC_VERSION_REG) & CKIH_27MHZ_BIT_SET) == 0) - fref = 27000000; - - mx27_clocks_init(fref); -} - -static struct map_desc mx27ads_io_desc[] __initdata = { - { - .virtual = PBC_BASE_ADDRESS, - .pfn = __phys_to_pfn(MX27_CS4_BASE_ADDR), - .length = SZ_1M, - .type = MT_DEVICE, - }, -}; - -static void __init mx27ads_map_io(void) -{ - mx27_map_io(); - iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc)); -} - -MACHINE_START(MX27ADS, "Freescale i.MX27ADS") - /* maintainer: Freescale Semiconductor, Inc. */ - .atag_offset = 0x100, - .map_io = mx27ads_map_io, - .init_early = imx27_init_early, - .init_irq = mx27_init_irq, - .init_time = mx27ads_timer_init, - .init_machine = mx27ads_board_init, - .init_late = mx27ads_late_init, - .restart = mxc_restart, -MACHINE_END |