+++ /dev/null
-// 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
git.samba.org / sfrench / cifs-2.6.git / blobdiff