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471 lines
10 KiB
471 lines
10 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* linux/arch/arm/mach-pxa/poodle.c |
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* |
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* Support for the SHARP Poodle Board. |
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* |
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* Based on: |
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* linux/arch/arm/mach-pxa/lubbock.c Author: Nicolas Pitre |
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* |
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* Change Log |
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* 12-Dec-2002 Sharp Corporation for Poodle |
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* John Lenz <[email protected]> updates to 2.6 |
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*/ |
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#include <linux/kernel.h> |
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#include <linux/init.h> |
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#include <linux/export.h> |
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#include <linux/platform_device.h> |
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#include <linux/fb.h> |
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#include <linux/pm.h> |
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#include <linux/delay.h> |
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#include <linux/mtd/physmap.h> |
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#include <linux/gpio.h> |
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#include <linux/gpio/machine.h> |
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#include <linux/i2c.h> |
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#include <linux/platform_data/i2c-pxa.h> |
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#include <linux/regulator/machine.h> |
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#include <linux/spi/spi.h> |
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#include <linux/spi/ads7846.h> |
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#include <linux/spi/pxa2xx_spi.h> |
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#include <linux/mtd/sharpsl.h> |
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#include <linux/memblock.h> |
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#include <mach/hardware.h> |
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#include <asm/mach-types.h> |
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#include <asm/irq.h> |
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#include <asm/setup.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/map.h> |
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#include <asm/mach/irq.h> |
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#include "pxa25x.h" |
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#include <linux/platform_data/mmc-pxamci.h> |
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#include "udc.h" |
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#include <linux/platform_data/irda-pxaficp.h> |
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#include <mach/poodle.h> |
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#include <linux/platform_data/video-pxafb.h> |
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#include <asm/hardware/scoop.h> |
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#include <asm/hardware/locomo.h> |
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#include <asm/mach/sharpsl_param.h> |
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#include "generic.h" |
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#include "devices.h" |
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static unsigned long poodle_pin_config[] __initdata = { |
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/* I/O */ |
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GPIO79_nCS_3, |
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GPIO80_nCS_4, |
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GPIO18_RDY, |
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/* Clock */ |
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GPIO12_32KHz, |
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/* SSP1 */ |
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GPIO23_SSP1_SCLK, |
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GPIO25_SSP1_TXD, |
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GPIO26_SSP1_RXD, |
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GPIO24_GPIO, /* POODLE_GPIO_TP_CS - SFRM as chip select */ |
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/* I2S */ |
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GPIO28_I2S_BITCLK_OUT, |
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GPIO29_I2S_SDATA_IN, |
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GPIO30_I2S_SDATA_OUT, |
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GPIO31_I2S_SYNC, |
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GPIO32_I2S_SYSCLK, |
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/* Infra-Red */ |
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GPIO47_FICP_TXD, |
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GPIO46_FICP_RXD, |
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/* FFUART */ |
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GPIO40_FFUART_DTR, |
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GPIO41_FFUART_RTS, |
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GPIO39_FFUART_TXD, |
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GPIO37_FFUART_DSR, |
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GPIO34_FFUART_RXD, |
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GPIO35_FFUART_CTS, |
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/* LCD */ |
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GPIOxx_LCD_TFT_16BPP, |
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/* PC Card */ |
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GPIO48_nPOE, |
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GPIO49_nPWE, |
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GPIO50_nPIOR, |
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GPIO51_nPIOW, |
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GPIO52_nPCE_1, |
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GPIO53_nPCE_2, |
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GPIO54_nPSKTSEL, |
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GPIO55_nPREG, |
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GPIO56_nPWAIT, |
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GPIO57_nIOIS16, |
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/* MMC */ |
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GPIO6_MMC_CLK, |
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GPIO8_MMC_CS0, |
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/* GPIO */ |
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GPIO9_GPIO, /* POODLE_GPIO_nSD_DETECT */ |
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GPIO7_GPIO, /* POODLE_GPIO_nSD_WP */ |
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GPIO3_GPIO, /* POODLE_GPIO_SD_PWR */ |
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GPIO33_GPIO, /* POODLE_GPIO_SD_PWR1 */ |
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GPIO20_GPIO, /* POODLE_GPIO_USB_PULLUP */ |
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GPIO22_GPIO, /* POODLE_GPIO_IR_ON */ |
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}; |
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static struct resource poodle_scoop_resources[] = { |
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[0] = { |
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.start = 0x10800000, |
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.end = 0x10800fff, |
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.flags = IORESOURCE_MEM, |
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}, |
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}; |
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static struct scoop_config poodle_scoop_setup = { |
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.io_dir = POODLE_SCOOP_IO_DIR, |
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.io_out = POODLE_SCOOP_IO_OUT, |
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.gpio_base = POODLE_SCOOP_GPIO_BASE, |
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}; |
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struct platform_device poodle_scoop_device = { |
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.name = "sharp-scoop", |
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.id = -1, |
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.dev = { |
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.platform_data = &poodle_scoop_setup, |
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}, |
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.num_resources = ARRAY_SIZE(poodle_scoop_resources), |
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.resource = poodle_scoop_resources, |
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}; |
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static struct scoop_pcmcia_dev poodle_pcmcia_scoop[] = { |
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{ |
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.dev = &poodle_scoop_device.dev, |
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.irq = POODLE_IRQ_GPIO_CF_IRQ, |
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.cd_irq = POODLE_IRQ_GPIO_CF_CD, |
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.cd_irq_str = "PCMCIA0 CD", |
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}, |
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}; |
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static struct scoop_pcmcia_config poodle_pcmcia_config = { |
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.devs = &poodle_pcmcia_scoop[0], |
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.num_devs = 1, |
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}; |
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EXPORT_SYMBOL(poodle_scoop_device); |
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static struct platform_device poodle_audio_device = { |
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.name = "poodle-audio", |
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.id = -1, |
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}; |
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/* LoCoMo device */ |
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static struct resource locomo_resources[] = { |
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[0] = { |
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.start = 0x10000000, |
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.end = 0x10001fff, |
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.flags = IORESOURCE_MEM, |
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}, |
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[1] = { |
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.start = PXA_GPIO_TO_IRQ(10), |
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.end = PXA_GPIO_TO_IRQ(10), |
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.flags = IORESOURCE_IRQ, |
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}, |
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}; |
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static struct locomo_platform_data locomo_info = { |
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.irq_base = IRQ_BOARD_START, |
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}; |
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struct platform_device poodle_locomo_device = { |
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.name = "locomo", |
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.id = 0, |
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.num_resources = ARRAY_SIZE(locomo_resources), |
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.resource = locomo_resources, |
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.dev = { |
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.platform_data = &locomo_info, |
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}, |
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}; |
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EXPORT_SYMBOL(poodle_locomo_device); |
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#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) |
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static struct pxa2xx_spi_controller poodle_spi_info = { |
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.num_chipselect = 1, |
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}; |
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static struct ads7846_platform_data poodle_ads7846_info = { |
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.model = 7846, |
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.vref_delay_usecs = 100, |
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.x_plate_ohms = 419, |
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.y_plate_ohms = 486, |
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.gpio_pendown = POODLE_GPIO_TP_INT, |
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}; |
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static struct pxa2xx_spi_chip poodle_ads7846_chip = { |
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.gpio_cs = POODLE_GPIO_TP_CS, |
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}; |
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static struct spi_board_info poodle_spi_devices[] = { |
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{ |
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.modalias = "ads7846", |
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.max_speed_hz = 10000, |
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.bus_num = 1, |
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.platform_data = &poodle_ads7846_info, |
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.controller_data= &poodle_ads7846_chip, |
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.irq = PXA_GPIO_TO_IRQ(POODLE_GPIO_TP_INT), |
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}, |
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}; |
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static void __init poodle_init_spi(void) |
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{ |
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pxa2xx_set_spi_info(1, &poodle_spi_info); |
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spi_register_board_info(ARRAY_AND_SIZE(poodle_spi_devices)); |
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} |
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#else |
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static inline void poodle_init_spi(void) {} |
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#endif |
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/* |
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* MMC/SD Device |
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* |
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* The card detect interrupt isn't debounced so we delay it by 250ms |
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* to give the card a chance to fully insert/eject. |
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*/ |
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static int poodle_mci_init(struct device *dev, irq_handler_t poodle_detect_int, void *data) |
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{ |
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int err; |
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err = gpio_request(POODLE_GPIO_SD_PWR, "SD_PWR"); |
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if (err) |
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goto err_free_2; |
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err = gpio_request(POODLE_GPIO_SD_PWR1, "SD_PWR1"); |
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if (err) |
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goto err_free_3; |
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gpio_direction_output(POODLE_GPIO_SD_PWR, 0); |
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gpio_direction_output(POODLE_GPIO_SD_PWR1, 0); |
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return 0; |
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err_free_3: |
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gpio_free(POODLE_GPIO_SD_PWR); |
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err_free_2: |
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return err; |
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} |
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static int poodle_mci_setpower(struct device *dev, unsigned int vdd) |
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{ |
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struct pxamci_platform_data* p_d = dev->platform_data; |
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if ((1 << vdd) & p_d->ocr_mask) { |
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gpio_set_value(POODLE_GPIO_SD_PWR, 1); |
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mdelay(2); |
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gpio_set_value(POODLE_GPIO_SD_PWR1, 1); |
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} else { |
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gpio_set_value(POODLE_GPIO_SD_PWR1, 0); |
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gpio_set_value(POODLE_GPIO_SD_PWR, 0); |
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} |
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return 0; |
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} |
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static void poodle_mci_exit(struct device *dev, void *data) |
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{ |
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gpio_free(POODLE_GPIO_SD_PWR1); |
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gpio_free(POODLE_GPIO_SD_PWR); |
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} |
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static struct pxamci_platform_data poodle_mci_platform_data = { |
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.detect_delay_ms = 250, |
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, |
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.init = poodle_mci_init, |
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.setpower = poodle_mci_setpower, |
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.exit = poodle_mci_exit, |
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}; |
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static struct gpiod_lookup_table poodle_mci_gpio_table = { |
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.dev_id = "pxa2xx-mci.0", |
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.table = { |
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GPIO_LOOKUP("gpio-pxa", POODLE_GPIO_nSD_DETECT, |
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"cd", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", POODLE_GPIO_nSD_WP, |
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"wp", GPIO_ACTIVE_LOW), |
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{ }, |
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}, |
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}; |
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/* |
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* Irda |
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*/ |
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static struct pxaficp_platform_data poodle_ficp_platform_data = { |
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.gpio_pwdown = POODLE_GPIO_IR_ON, |
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.transceiver_cap = IR_SIRMODE | IR_OFF, |
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}; |
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/* |
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* USB Device Controller |
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*/ |
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static struct pxa2xx_udc_mach_info udc_info __initdata = { |
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/* no connect GPIO; poodle can't tell connection status */ |
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.gpio_pullup = POODLE_GPIO_USB_PULLUP, |
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}; |
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/* PXAFB device */ |
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static struct pxafb_mode_info poodle_fb_mode = { |
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.pixclock = 144700, |
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.xres = 320, |
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.yres = 240, |
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.bpp = 16, |
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.hsync_len = 7, |
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.left_margin = 11, |
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.right_margin = 30, |
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.vsync_len = 2, |
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.upper_margin = 2, |
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.lower_margin = 0, |
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.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, |
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}; |
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static struct pxafb_mach_info poodle_fb_info = { |
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.modes = &poodle_fb_mode, |
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.num_modes = 1, |
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.lcd_conn = LCD_COLOR_TFT_16BPP, |
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}; |
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static uint8_t scan_ff_pattern[] = { 0xff, 0xff }; |
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static struct nand_bbt_descr sharpsl_bbt = { |
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.options = 0, |
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.offs = 4, |
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.len = 2, |
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.pattern = scan_ff_pattern |
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}; |
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static const char * const probes[] = { |
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"cmdlinepart", |
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"ofpart", |
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"sharpslpart", |
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NULL, |
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}; |
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static struct sharpsl_nand_platform_data sharpsl_nand_platform_data = { |
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.badblock_pattern = &sharpsl_bbt, |
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.part_parsers = probes, |
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}; |
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static struct resource sharpsl_nand_resources[] = { |
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{ |
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.start = 0x0C000000, |
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.end = 0x0C000FFF, |
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.flags = IORESOURCE_MEM, |
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}, |
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}; |
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static struct platform_device sharpsl_nand_device = { |
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.name = "sharpsl-nand", |
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.id = -1, |
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.resource = sharpsl_nand_resources, |
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.num_resources = ARRAY_SIZE(sharpsl_nand_resources), |
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.dev.platform_data = &sharpsl_nand_platform_data, |
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}; |
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static struct mtd_partition sharpsl_rom_parts[] = { |
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{ |
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.name ="Boot PROM Filesystem", |
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.offset = 0x00120000, |
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.size = MTDPART_SIZ_FULL, |
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}, |
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}; |
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static struct physmap_flash_data sharpsl_rom_data = { |
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.width = 2, |
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.nr_parts = ARRAY_SIZE(sharpsl_rom_parts), |
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.parts = sharpsl_rom_parts, |
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}; |
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static struct resource sharpsl_rom_resources[] = { |
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{ |
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.start = 0x00000000, |
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.end = 0x007fffff, |
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.flags = IORESOURCE_MEM, |
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}, |
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}; |
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static struct platform_device sharpsl_rom_device = { |
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.name = "physmap-flash", |
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.id = -1, |
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.resource = sharpsl_rom_resources, |
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.num_resources = ARRAY_SIZE(sharpsl_rom_resources), |
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.dev.platform_data = &sharpsl_rom_data, |
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}; |
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static struct platform_device *devices[] __initdata = { |
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&poodle_locomo_device, |
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&poodle_scoop_device, |
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&poodle_audio_device, |
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&sharpsl_nand_device, |
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&sharpsl_rom_device, |
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}; |
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static struct i2c_board_info __initdata poodle_i2c_devices[] = { |
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{ I2C_BOARD_INFO("wm8731", 0x1b) }, |
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}; |
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static void poodle_poweroff(void) |
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{ |
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pxa_restart(REBOOT_HARD, NULL); |
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} |
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static void __init poodle_init(void) |
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{ |
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int ret = 0; |
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pm_power_off = poodle_poweroff; |
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PCFR |= PCFR_OPDE; |
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pxa2xx_mfp_config(ARRAY_AND_SIZE(poodle_pin_config)); |
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pxa_set_ffuart_info(NULL); |
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pxa_set_btuart_info(NULL); |
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pxa_set_stuart_info(NULL); |
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platform_scoop_config = &poodle_pcmcia_config; |
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ret = platform_add_devices(devices, ARRAY_SIZE(devices)); |
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if (ret) |
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pr_warn("poodle: Unable to register LoCoMo device\n"); |
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pxa_set_fb_info(&poodle_locomo_device.dev, &poodle_fb_info); |
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pxa_set_udc_info(&udc_info); |
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gpiod_add_lookup_table(&poodle_mci_gpio_table); |
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pxa_set_mci_info(&poodle_mci_platform_data); |
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pxa_set_ficp_info(&poodle_ficp_platform_data); |
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pxa_set_i2c_info(NULL); |
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i2c_register_board_info(0, ARRAY_AND_SIZE(poodle_i2c_devices)); |
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poodle_init_spi(); |
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regulator_has_full_constraints(); |
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} |
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static void __init fixup_poodle(struct tag *tags, char **cmdline) |
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{ |
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sharpsl_save_param(); |
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memblock_add(0xa0000000, SZ_32M); |
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} |
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MACHINE_START(POODLE, "SHARP Poodle") |
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.fixup = fixup_poodle, |
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.map_io = pxa25x_map_io, |
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.nr_irqs = POODLE_NR_IRQS, /* 4 for LoCoMo */ |
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.init_irq = pxa25x_init_irq, |
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.handle_irq = pxa25x_handle_irq, |
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.init_time = pxa_timer_init, |
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.init_machine = poodle_init, |
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.restart = pxa_restart, |
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MACHINE_END
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