forked from mirrors/linux
51eea52d26
It's also a slave controller driver now, calling it "master" is slightly misleading. Signed-off-by: Lubomir Rintel <lkundrak@v3.sk> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Mark Brown <broonie@kernel.org>
474 lines
10 KiB
C
474 lines
10 KiB
C
/*
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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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 <lenz@cs.wisc.edu> 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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