diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 21:24:08 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 21:24:08 -0400 |
commit | 30d38542ec777468bb6a31829076a2dbc5690e35 (patch) | |
tree | 698b7a4fdd730befa34c4c9642cdbe72ce7d336a /drivers/pcmcia/pxa2xx_palmtx.c | |
parent | 20b7997e8abdf338dcc27fb4f1333c4973a7f113 (diff) | |
parent | 044e5f45e4ad890d03bd1e8bb44c634397cac24d (diff) |
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (85 commits)
[ARM] pxa: add base support for PXA930 Handheld Platform (aka SAAR)
[ARM] pxa: add base support for PXA930 Evaluation Board (aka TavorEVB)
[ARM] pxa: add base support for PXA930 (aka Tavor-P)
[ARM] Update mach-types
[ARM] pxa: make littleton to use the new smc91x platform data
[ARM] pxa: make zylonite to use the new smc91x platform data
[ARM] pxa: make mainstone to use the new smc91x platform data
[ARM] pxa: make lubbock to use new smc91x platform data
[NET] smc91x: prepare SMC_USE_PXA_DMA to be specified in platform data
[NET] smc91x: prepare for SMC_IO_SHIFT to be a platform configurable variable
[NET] smc91x: add SMC91X_NOWAIT flag to platform data
[NET] smc91x: favor the use of SMC91X_USE_* instead of SMC_CAN_USE_*
[NET] smc91x: remove "irq_flags" from "struct smc91x_platdata"
[ARM] 5146/1: pxa2xx: convert all boards to call pxa2xx_transceiver_mode helper
Support for LCD on e740 e750 e400 and e800 e-series PDAs
E-series UDC support
PXA UDC - allow use of inverted GPIO for pullup
Add e350 support
Fix broken e-series build
E-series GPIO / IRQ definitions.
...
Diffstat (limited to 'drivers/pcmcia/pxa2xx_palmtx.c')
-rw-r--r-- | drivers/pcmcia/pxa2xx_palmtx.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/drivers/pcmcia/pxa2xx_palmtx.c b/drivers/pcmcia/pxa2xx_palmtx.c new file mode 100644 index 000000000000..4abde190c1f5 --- /dev/null +++ b/drivers/pcmcia/pxa2xx_palmtx.c | |||
@@ -0,0 +1,118 @@ | |||
1 | /* | ||
2 | * linux/drivers/pcmcia/pxa2xx_palmtx.c | ||
3 | * | ||
4 | * Driver for Palm T|X PCMCIA | ||
5 | * | ||
6 | * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.com> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License version 2 as | ||
10 | * published by the Free Software Foundation. | ||
11 | * | ||
12 | */ | ||
13 | |||
14 | #include <linux/module.h> | ||
15 | #include <linux/platform_device.h> | ||
16 | |||
17 | #include <asm/mach-types.h> | ||
18 | |||
19 | #include <asm/arch/gpio.h> | ||
20 | #include <asm/arch/palmtx.h> | ||
21 | |||
22 | #include "soc_common.h" | ||
23 | |||
24 | static int palmtx_pcmcia_hw_init(struct soc_pcmcia_socket *skt) | ||
25 | { | ||
26 | skt->irq = IRQ_GPIO(GPIO_NR_PALMTX_PCMCIA_READY); | ||
27 | return 0; | ||
28 | } | ||
29 | |||
30 | static void palmtx_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) | ||
31 | { | ||
32 | } | ||
33 | |||
34 | static void palmtx_pcmcia_socket_state(struct soc_pcmcia_socket *skt, | ||
35 | struct pcmcia_state *state) | ||
36 | { | ||
37 | state->detect = 1; /* always inserted */ | ||
38 | state->ready = !!gpio_get_value(GPIO_NR_PALMTX_PCMCIA_READY); | ||
39 | state->bvd1 = 1; | ||
40 | state->bvd2 = 1; | ||
41 | state->wrprot = 0; | ||
42 | state->vs_3v = 1; | ||
43 | state->vs_Xv = 0; | ||
44 | } | ||
45 | |||
46 | static int | ||
47 | palmtx_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, | ||
48 | const socket_state_t *state) | ||
49 | { | ||
50 | gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER1, 1); | ||
51 | gpio_set_value(GPIO_NR_PALMTX_PCMCIA_POWER2, 1); | ||
52 | gpio_set_value(GPIO_NR_PALMTX_PCMCIA_RESET, | ||
53 | !!(state->flags & SS_RESET)); | ||
54 | |||
55 | return 0; | ||
56 | } | ||
57 | |||
58 | static void palmtx_pcmcia_socket_init(struct soc_pcmcia_socket *skt) | ||
59 | { | ||
60 | } | ||
61 | |||
62 | static void palmtx_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt) | ||
63 | { | ||
64 | } | ||
65 | |||
66 | static struct pcmcia_low_level palmtx_pcmcia_ops = { | ||
67 | .owner = THIS_MODULE, | ||
68 | |||
69 | .first = 0, | ||
70 | .nr = 1, | ||
71 | |||
72 | .hw_init = palmtx_pcmcia_hw_init, | ||
73 | .hw_shutdown = palmtx_pcmcia_hw_shutdown, | ||
74 | |||
75 | .socket_state = palmtx_pcmcia_socket_state, | ||
76 | .configure_socket = palmtx_pcmcia_configure_socket, | ||
77 | |||
78 | .socket_init = palmtx_pcmcia_socket_init, | ||
79 | .socket_suspend = palmtx_pcmcia_socket_suspend, | ||
80 | }; | ||
81 | |||
82 | static struct platform_device *palmtx_pcmcia_device; | ||
83 | |||
84 | static int __init palmtx_pcmcia_init(void) | ||
85 | { | ||
86 | int ret; | ||
87 | |||
88 | if (!machine_is_palmtx()) | ||
89 | return -ENODEV; | ||
90 | |||
91 | palmtx_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); | ||
92 | if (!palmtx_pcmcia_device) | ||
93 | return -ENOMEM; | ||
94 | |||
95 | ret = platform_device_add_data(palmtx_pcmcia_device, &palmtx_pcmcia_ops, | ||
96 | sizeof(palmtx_pcmcia_ops)); | ||
97 | |||
98 | if (!ret) | ||
99 | ret = platform_device_add(palmtx_pcmcia_device); | ||
100 | |||
101 | if (ret) | ||
102 | platform_device_put(palmtx_pcmcia_device); | ||
103 | |||
104 | return ret; | ||
105 | } | ||
106 | |||
107 | static void __exit palmtx_pcmcia_exit(void) | ||
108 | { | ||
109 | platform_device_unregister(palmtx_pcmcia_device); | ||
110 | } | ||
111 | |||
112 | fs_initcall(palmtx_pcmcia_init); | ||
113 | module_exit(palmtx_pcmcia_exit); | ||
114 | |||
115 | MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>"); | ||
116 | MODULE_DESCRIPTION("PCMCIA support for Palm T|X"); | ||
117 | MODULE_ALIAS("platform:pxa2xx-pcmcia"); | ||
118 | MODULE_LICENSE("GPL"); | ||