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authorRussell King <rmk+kernel@armlinux.org.uk>2016-08-31 03:49:48 -0400
committerRussell King <rmk+kernel@armlinux.org.uk>2018-04-06 10:53:00 -0400
commit80c799dbf88d0b404e1304b469eb157e4e9e0fbf (patch)
tree084defad3fe34bb8690ba9a2589b3a8abd630dd3
parenta00315d1b334d9f869975d53e3b3b3eb37c6c17e (diff)
ARM: sa1100/nanoengine: convert to generic CF sockets
Convert nanoengine to use the generic CF socket support. Makefile fix from Arnd Bergmann <arnd@arndb.de>. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
-rw-r--r--arch/arm/mach-sa1100/nanoengine.c23
-rw-r--r--drivers/pcmcia/Makefile1
-rw-r--r--drivers/pcmcia/sa1100_generic.c3
-rw-r--r--drivers/pcmcia/sa1100_generic.h1
-rw-r--r--drivers/pcmcia/sa1100_nanoengine.c133
5 files changed, 23 insertions, 138 deletions
diff --git a/arch/arm/mach-sa1100/nanoengine.c b/arch/arm/mach-sa1100/nanoengine.c
index f1cb3784d525..4d35258a7b32 100644
--- a/arch/arm/mach-sa1100/nanoengine.c
+++ b/arch/arm/mach-sa1100/nanoengine.c
@@ -12,6 +12,7 @@
12 */ 12 */
13 13
14#include <linux/init.h> 14#include <linux/init.h>
15#include <linux/gpio/machine.h>
15#include <linux/kernel.h> 16#include <linux/kernel.h>
16#include <linux/platform_data/sa11x0-serial.h> 17#include <linux/platform_data/sa11x0-serial.h>
17#include <linux/mtd/mtd.h> 18#include <linux/mtd/mtd.h>
@@ -99,8 +100,30 @@ static void __init nanoengine_map_io(void)
99 Ser2HSCR0 = 0; 100 Ser2HSCR0 = 0;
100} 101}
101 102
103static struct gpiod_lookup_table nanoengine_pcmcia0_gpio_table = {
104 .dev_id = "sa11x0-pcmcia.0",
105 .table = {
106 GPIO_LOOKUP("gpio", 11, "ready", GPIO_ACTIVE_HIGH),
107 GPIO_LOOKUP("gpio", 13, "detect", GPIO_ACTIVE_LOW),
108 GPIO_LOOKUP("gpio", 15, "reset", GPIO_ACTIVE_HIGH),
109 { },
110 },
111};
112
113static struct gpiod_lookup_table nanoengine_pcmcia1_gpio_table = {
114 .dev_id = "sa11x0-pcmcia.1",
115 .table = {
116 GPIO_LOOKUP("gpio", 12, "ready", GPIO_ACTIVE_HIGH),
117 GPIO_LOOKUP("gpio", 14, "detect", GPIO_ACTIVE_LOW),
118 GPIO_LOOKUP("gpio", 16, "reset", GPIO_ACTIVE_HIGH),
119 { },
120 },
121};
122
102static void __init nanoengine_init(void) 123static void __init nanoengine_init(void)
103{ 124{
125 sa11x0_register_pcmcia(0, &nanoengine_pcmcia0_gpio_table);
126 sa11x0_register_pcmcia(1, &nanoengine_pcmcia1_gpio_table);
104 sa11x0_register_mtd(&nanoengine_flash_data, nanoengine_flash_resources, 127 sa11x0_register_mtd(&nanoengine_flash_data, nanoengine_flash_resources,
105 ARRAY_SIZE(nanoengine_flash_resources)); 128 ARRAY_SIZE(nanoengine_flash_resources));
106} 129}
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index da31af9b3158..722871ac51b4 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -49,7 +49,6 @@ sa1100_cs-y += sa1100_generic.o
49sa1100_cs-$(CONFIG_SA1100_COLLIE) += pxa2xx_sharpsl.o 49sa1100_cs-$(CONFIG_SA1100_COLLIE) += pxa2xx_sharpsl.o
50sa1100_cs-$(CONFIG_SA1100_H3100) += sa1100_h3600.o 50sa1100_cs-$(CONFIG_SA1100_H3100) += sa1100_h3600.o
51sa1100_cs-$(CONFIG_SA1100_H3600) += sa1100_h3600.o 51sa1100_cs-$(CONFIG_SA1100_H3600) += sa1100_h3600.o
52sa1100_cs-$(CONFIG_SA1100_NANOENGINE) += sa1100_nanoengine.o
53sa1100_cs-$(CONFIG_SA1100_SHANNON) += sa1100_shannon.o 52sa1100_cs-$(CONFIG_SA1100_SHANNON) += sa1100_shannon.o
54sa1100_cs-$(CONFIG_SA1100_SIMPAD) += sa1100_simpad.o 53sa1100_cs-$(CONFIG_SA1100_SIMPAD) += sa1100_simpad.o
55 54
diff --git a/drivers/pcmcia/sa1100_generic.c b/drivers/pcmcia/sa1100_generic.c
index 110365e998b8..59a670f330b7 100644
--- a/drivers/pcmcia/sa1100_generic.c
+++ b/drivers/pcmcia/sa1100_generic.c
@@ -101,9 +101,6 @@ static int (*sa11x0_pcmcia_legacy_hw_init[])(struct device *dev) = {
101#if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600) 101#if defined(CONFIG_SA1100_H3100) || defined(CONFIG_SA1100_H3600)
102 pcmcia_h3600_init, 102 pcmcia_h3600_init,
103#endif 103#endif
104#ifdef CONFIG_SA1100_NANOENGINE
105 pcmcia_nanoengine_init,
106#endif
107#ifdef CONFIG_SA1100_SHANNON 104#ifdef CONFIG_SA1100_SHANNON
108 pcmcia_shannon_init, 105 pcmcia_shannon_init,
109#endif 106#endif
diff --git a/drivers/pcmcia/sa1100_generic.h b/drivers/pcmcia/sa1100_generic.h
index bce9e73a4651..1e255c173cd8 100644
--- a/drivers/pcmcia/sa1100_generic.h
+++ b/drivers/pcmcia/sa1100_generic.h
@@ -12,7 +12,6 @@ extern int pcmcia_freebird_init(struct device *);
12extern int pcmcia_gcplus_init(struct device *); 12extern int pcmcia_gcplus_init(struct device *);
13extern int pcmcia_graphicsmaster_init(struct device *); 13extern int pcmcia_graphicsmaster_init(struct device *);
14extern int pcmcia_h3600_init(struct device *); 14extern int pcmcia_h3600_init(struct device *);
15extern int pcmcia_nanoengine_init(struct device *);
16extern int pcmcia_pangolin_init(struct device *); 15extern int pcmcia_pangolin_init(struct device *);
17extern int pcmcia_pfs168_init(struct device *); 16extern int pcmcia_pfs168_init(struct device *);
18extern int pcmcia_shannon_init(struct device *); 17extern int pcmcia_shannon_init(struct device *);
diff --git a/drivers/pcmcia/sa1100_nanoengine.c b/drivers/pcmcia/sa1100_nanoengine.c
deleted file mode 100644
index 35c30ff41e81..000000000000
--- a/drivers/pcmcia/sa1100_nanoengine.c
+++ /dev/null
@@ -1,133 +0,0 @@
1/*
2 * drivers/pcmcia/sa1100_nanoengine.c
3 *
4 * PCMCIA implementation routines for BSI nanoEngine.
5 *
6 * In order to have a fully functional pcmcia subsystem in a BSE nanoEngine
7 * board you should carefully read this:
8 * http://cambuca.ldhs.cetuc.puc-rio.br/nanoengine/
9 *
10 * Copyright (C) 2010 Marcelo Roberto Jimenez <mroberto@cpti.cetuc.puc-rio.br>
11 *
12 * Based on original work for kernel 2.4 by
13 * Miguel Freitas <miguel@cpti.cetuc.puc-rio.br>
14 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License version 2 as
17 * published by the Free Software Foundation.
18 *
19 */
20#include <linux/device.h>
21#include <linux/errno.h>
22#include <linux/gpio.h>
23#include <linux/interrupt.h>
24#include <linux/irq.h>
25#include <linux/init.h>
26#include <linux/kernel.h>
27#include <linux/module.h>
28#include <linux/signal.h>
29
30#include <asm/mach-types.h>
31#include <asm/irq.h>
32
33#include <mach/hardware.h>
34#include <mach/nanoengine.h>
35
36#include "sa1100_generic.h"
37
38struct nanoengine_pins {
39 unsigned output_pins;
40 unsigned clear_outputs;
41 int gpio_rst;
42 int gpio_cd;
43 int gpio_rdy;
44};
45
46static struct nanoengine_pins nano_skts[] = {
47 {
48 .gpio_rst = GPIO_PC_RESET0,
49 .gpio_cd = GPIO_PC_CD0,
50 .gpio_rdy = GPIO_PC_READY0,
51 }, {
52 .gpio_rst = GPIO_PC_RESET1,
53 .gpio_cd = GPIO_PC_CD1,
54 .gpio_rdy = GPIO_PC_READY1,
55 }
56};
57
58unsigned num_nano_pcmcia_sockets = ARRAY_SIZE(nano_skts);
59
60static int nanoengine_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
61{
62 unsigned i = skt->nr;
63 int ret;
64
65 if (i >= num_nano_pcmcia_sockets)
66 return -ENXIO;
67
68 ret = gpio_request_one(nano_skts[i].gpio_rst, GPIOF_OUT_INIT_LOW,
69 i ? "PC RST1" : "PC RST0");
70 if (ret)
71 return ret;
72
73 skt->stat[SOC_STAT_CD].gpio = nano_skts[i].gpio_cd;
74 skt->stat[SOC_STAT_CD].name = i ? "PC CD1" : "PC CD0";
75 skt->stat[SOC_STAT_RDY].gpio = nano_skts[i].gpio_rdy;
76 skt->stat[SOC_STAT_RDY].name = i ? "PC RDY1" : "PC RDY0";
77
78 return 0;
79}
80
81static void nanoengine_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
82{
83 gpio_free(nano_skts[skt->nr].gpio_rst);
84}
85
86static int nanoengine_pcmcia_configure_socket(
87 struct soc_pcmcia_socket *skt, const socket_state_t *state)
88{
89 unsigned i = skt->nr;
90
91 if (i >= num_nano_pcmcia_sockets)
92 return -ENXIO;
93
94 gpio_set_value(nano_skts[skt->nr].gpio_rst, !!(state->flags & SS_RESET));
95
96 return 0;
97}
98
99static void nanoengine_pcmcia_socket_state(
100 struct soc_pcmcia_socket *skt, struct pcmcia_state *state)
101{
102 unsigned i = skt->nr;
103
104 if (i >= num_nano_pcmcia_sockets)
105 return;
106
107 state->bvd1 = 1;
108 state->bvd2 = 1;
109 state->vs_3v = 1; /* Can only apply 3.3V */
110 state->vs_Xv = 0;
111}
112
113static struct pcmcia_low_level nanoengine_pcmcia_ops = {
114 .owner = THIS_MODULE,
115
116 .hw_init = nanoengine_pcmcia_hw_init,
117 .hw_shutdown = nanoengine_pcmcia_hw_shutdown,
118
119 .configure_socket = nanoengine_pcmcia_configure_socket,
120 .socket_state = nanoengine_pcmcia_socket_state,
121};
122
123int pcmcia_nanoengine_init(struct device *dev)
124{
125 int ret = -ENODEV;
126
127 if (machine_is_nanoengine())
128 ret = sa11xx_drv_pcmcia_probe(
129 dev, &nanoengine_pcmcia_ops, 0, 2);
130
131 return ret;
132}
133