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authorMike Rapoport <mike@compulab.co.il>2008-10-05 10:26:55 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-07 12:05:07 +0100
commita7f3f0309b68d8d07a97a54c492802c294bccacd (patch)
tree1b1f04bcc09fd6cba966e39e3b005d080de4edcd /arch/arm/mach-pxa/cm-x255.c
parent4adc5fb6733213ab68750f722630d1b9d5655bc1 (diff)
[ARM] 5282/1: pxa: add CM-X255 support
Signed-off-by: Russ Dill <russ.dill@gmail.com> Signed-off-by: Mike Rapoport <mike@compulab.co.il> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-pxa/cm-x255.c')
-rw-r--r--arch/arm/mach-pxa/cm-x255.c142
1 files changed, 142 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/cm-x255.c b/arch/arm/mach-pxa/cm-x255.c
new file mode 100644
index 00000000000..15c5b9dc638
--- /dev/null
+++ b/arch/arm/mach-pxa/cm-x255.c
@@ -0,0 +1,142 @@
+/*
+ * 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();
+}