WSL2-Linux-Kernel/arch/arm/mach-pxa/cm-x255.c

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/*
* linux/arch/arm/mach-pxa/cm-x255.c
*
* Copyright (C) 2007, 2008 CompuLab, Ltd.
* Mike Rapoport <mike@compulab.co.il>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/platform_device.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
#include <asm/mach/map.h>
#include <mach/pxa2xx-regs.h>
#include <mach/mfp-pxa25x.h>
#include <mach/pxa2xx_spi.h>
#include <mach/bitfield.h>
#include "generic.h"
static unsigned long cmx255_pin_config[] = {
/* AC'97 */
GPIO28_AC97_BITCLK,
GPIO29_AC97_SDATA_IN_0,
GPIO30_AC97_SDATA_OUT,
GPIO31_AC97_SYNC,
/* BTUART */
GPIO42_BTUART_RXD,
GPIO43_BTUART_TXD,
GPIO44_BTUART_CTS,
GPIO45_BTUART_RTS,
/* STUART */
GPIO46_STUART_RXD,
GPIO47_STUART_TXD,
/* LCD */
GPIO58_LCD_LDD_0,
GPIO59_LCD_LDD_1,
GPIO60_LCD_LDD_2,
GPIO61_LCD_LDD_3,
GPIO62_LCD_LDD_4,
GPIO63_LCD_LDD_5,
GPIO64_LCD_LDD_6,
GPIO65_LCD_LDD_7,
GPIO66_LCD_LDD_8,
GPIO67_LCD_LDD_9,
GPIO68_LCD_LDD_10,
GPIO69_LCD_LDD_11,
GPIO70_LCD_LDD_12,
GPIO71_LCD_LDD_13,
GPIO72_LCD_LDD_14,
GPIO73_LCD_LDD_15,
GPIO74_LCD_FCLK,
GPIO75_LCD_LCLK,
GPIO76_LCD_PCLK,
GPIO77_LCD_BIAS,
/* SSP1 */
GPIO23_SSP1_SCLK,
GPIO24_SSP1_SFRM,
GPIO25_SSP1_TXD,
GPIO26_SSP1_RXD,
/* SSP2 */
GPIO81_SSP2_CLK_OUT,
GPIO82_SSP2_FRM_OUT,
GPIO83_SSP2_TXD,
GPIO84_SSP2_RXD,
/* PC Card */
GPIO48_nPOE,
GPIO49_nPWE,
GPIO50_nPIOR,
GPIO51_nPIOW,
GPIO52_nPCE_1,
GPIO53_nPCE_2,
GPIO54_nPSKTSEL,
GPIO55_nPREG,
GPIO56_nPWAIT,
GPIO57_nIOIS16,
/* SDRAM and local bus */
GPIO15_nCS_1,
GPIO78_nCS_2,
GPIO79_nCS_3,
GPIO80_nCS_4,
GPIO33_nCS_5,
GPIO18_RDY,
/* GPIO */
GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,
GPIO9_GPIO, /* PC card reset */
/* NAND controls */
GPIO5_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */
GPIO4_GPIO | MFP_LPM_DRIVE_LOW, /* NAND ALE */
GPIO3_GPIO | MFP_LPM_DRIVE_LOW, /* NAND CLE */
GPIO10_GPIO, /* NAND Ready/Busy */
/* interrupts */
GPIO22_GPIO, /* DM9000 interrupt */
};
#if defined(CONFIG_SPI_PXA2XX)
static struct pxa2xx_spi_master pxa_ssp_master_info = {
.num_chipselect = 1,
};
static struct spi_board_info spi_board_info[] __initdata = {
[0] = {
.modalias = "rtc-max6902",
.max_speed_hz = 1000000,
.bus_num = 1,
.chip_select = 0,
},
};
static void __init cmx255_init_rtc(void)
{
pxa2xx_set_spi_info(1, &pxa_ssp_master_info);
spi_register_board_info(ARRAY_AND_SIZE(spi_board_info));
}
#else
static inline void cmx255_init_rtc(void) {}
#endif
void __init cmx255_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx255_pin_config));
cmx255_init_rtc();
}