diff options
author | Mike Rapoport <mike@compulab.co.il> | 2008-10-05 05:26:55 -0400 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-10-07 07:05:07 -0400 |
commit | a7f3f0309b68d8d07a97a54c492802c294bccacd (patch) | |
tree | 1b1f04bcc09fd6cba966e39e3b005d080de4edcd /arch/arm/mach-pxa/cm-x255.c | |
parent | 4adc5fb6733213ab68750f722630d1b9d5655bc1 (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.c | 142 |
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 000000000000..15c5b9dc6383 --- /dev/null +++ b/arch/arm/mach-pxa/cm-x255.c | |||
@@ -0,0 +1,142 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-pxa/cm-x255.c | ||
3 | * | ||
4 | * Copyright (C) 2007, 2008 CompuLab, Ltd. | ||
5 | * Mike Rapoport <mike@compulab.co.il> | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify | ||
8 | * it under the terms of the GNU General Public License version 2 as | ||
9 | * published by the Free Software Foundation. | ||
10 | */ | ||
11 | |||
12 | #include <linux/platform_device.h> | ||
13 | #include <linux/irq.h> | ||
14 | #include <linux/gpio.h> | ||
15 | |||
16 | #include <linux/spi/spi.h> | ||
17 | |||
18 | #include <asm/mach/arch.h> | ||
19 | #include <asm/mach-types.h> | ||
20 | #include <asm/mach/map.h> | ||
21 | |||
22 | #include <mach/pxa2xx-regs.h> | ||
23 | #include <mach/mfp-pxa25x.h> | ||
24 | #include <mach/pxa2xx_spi.h> | ||
25 | #include <mach/bitfield.h> | ||
26 | |||
27 | #include "generic.h" | ||
28 | |||
29 | static unsigned long cmx255_pin_config[] = { | ||
30 | /* AC'97 */ | ||
31 | GPIO28_AC97_BITCLK, | ||
32 | GPIO29_AC97_SDATA_IN_0, | ||
33 | GPIO30_AC97_SDATA_OUT, | ||
34 | GPIO31_AC97_SYNC, | ||
35 | |||
36 | /* BTUART */ | ||
37 | GPIO42_BTUART_RXD, | ||
38 | GPIO43_BTUART_TXD, | ||
39 | GPIO44_BTUART_CTS, | ||
40 | GPIO45_BTUART_RTS, | ||
41 | |||
42 | /* STUART */ | ||
43 | GPIO46_STUART_RXD, | ||
44 | GPIO47_STUART_TXD, | ||
45 | |||
46 | /* LCD */ | ||
47 | GPIO58_LCD_LDD_0, | ||
48 | GPIO59_LCD_LDD_1, | ||
49 | GPIO60_LCD_LDD_2, | ||
50 | GPIO61_LCD_LDD_3, | ||
51 | GPIO62_LCD_LDD_4, | ||
52 | GPIO63_LCD_LDD_5, | ||
53 | GPIO64_LCD_LDD_6, | ||
54 | GPIO65_LCD_LDD_7, | ||
55 | GPIO66_LCD_LDD_8, | ||
56 | GPIO67_LCD_LDD_9, | ||
57 | GPIO68_LCD_LDD_10, | ||
58 | GPIO69_LCD_LDD_11, | ||
59 | GPIO70_LCD_LDD_12, | ||
60 | GPIO71_LCD_LDD_13, | ||
61 | GPIO72_LCD_LDD_14, | ||
62 | GPIO73_LCD_LDD_15, | ||
63 | GPIO74_LCD_FCLK, | ||
64 | GPIO75_LCD_LCLK, | ||
65 | GPIO76_LCD_PCLK, | ||
66 | GPIO77_LCD_BIAS, | ||
67 | |||
68 | /* SSP1 */ | ||
69 | GPIO23_SSP1_SCLK, | ||
70 | GPIO24_SSP1_SFRM, | ||
71 | GPIO25_SSP1_TXD, | ||
72 | GPIO26_SSP1_RXD, | ||
73 | |||
74 | /* SSP2 */ | ||
75 | GPIO81_SSP2_CLK_OUT, | ||
76 | GPIO82_SSP2_FRM_OUT, | ||
77 | GPIO83_SSP2_TXD, | ||
78 | GPIO84_SSP2_RXD, | ||
79 | |||
80 | /* PC Card */ | ||
81 | GPIO48_nPOE, | ||
82 | GPIO49_nPWE, | ||
83 | GPIO50_nPIOR, | ||
84 | GPIO51_nPIOW, | ||
85 | GPIO52_nPCE_1, | ||
86 | GPIO53_nPCE_2, | ||
87 | GPIO54_nPSKTSEL, | ||
88 | GPIO55_nPREG, | ||
89 | GPIO56_nPWAIT, | ||
90 | GPIO57_nIOIS16, | ||
91 | |||
92 | /* SDRAM and local bus */ | ||
93 | GPIO15_nCS_1, | ||
94 | GPIO78_nCS_2, | ||
95 | GPIO79_nCS_3, | ||
96 | GPIO80_nCS_4, | ||
97 | GPIO33_nCS_5, | ||
98 | GPIO18_RDY, | ||
99 | |||
100 | /* GPIO */ | ||
101 | GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, | ||
102 | GPIO9_GPIO, /* PC card reset */ | ||
103 | |||
104 | /* NAND controls */ | ||
105 | GPIO5_GPIO | MFP_LPM_DRIVE_HIGH, /* NAND CE# */ | ||
106 | GPIO4_GPIO | MFP_LPM_DRIVE_LOW, /* NAND ALE */ | ||
107 | GPIO3_GPIO | MFP_LPM_DRIVE_LOW, /* NAND CLE */ | ||
108 | GPIO10_GPIO, /* NAND Ready/Busy */ | ||
109 | |||
110 | /* interrupts */ | ||
111 | GPIO22_GPIO, /* DM9000 interrupt */ | ||
112 | }; | ||
113 | |||
114 | #if defined(CONFIG_SPI_PXA2XX) | ||
115 | static struct pxa2xx_spi_master pxa_ssp_master_info = { | ||
116 | .num_chipselect = 1, | ||
117 | }; | ||
118 | |||
119 | static struct spi_board_info spi_board_info[] __initdata = { | ||
120 | [0] = { | ||
121 | .modalias = "rtc-max6902", | ||
122 | .max_speed_hz = 1000000, | ||
123 | .bus_num = 1, | ||
124 | .chip_select = 0, | ||
125 | }, | ||
126 | }; | ||
127 | |||
128 | static void __init cmx255_init_rtc(void) | ||
129 | { | ||
130 | pxa2xx_set_spi_info(1, &pxa_ssp_master_info); | ||
131 | spi_register_board_info(ARRAY_AND_SIZE(spi_board_info)); | ||
132 | } | ||
133 | #else | ||
134 | static inline void cmx255_init_rtc(void) {} | ||
135 | #endif | ||
136 | |||
137 | void __init cmx255_init(void) | ||
138 | { | ||
139 | pxa2xx_mfp_config(ARRAY_AND_SIZE(cmx255_pin_config)); | ||
140 | |||
141 | cmx255_init_rtc(); | ||
142 | } | ||