diff options
Diffstat (limited to 'arch/arm/mach-pxa/hx4700-pcmcia.c')
| -rw-r--r-- | arch/arm/mach-pxa/hx4700-pcmcia.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/arch/arm/mach-pxa/hx4700-pcmcia.c b/arch/arm/mach-pxa/hx4700-pcmcia.c deleted file mode 100644 index e2331dfe427d..000000000000 --- a/arch/arm/mach-pxa/hx4700-pcmcia.c +++ /dev/null @@ -1,118 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2012 Paul Parsons <lost.distance@yahoo.com> - */ - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/err.h> -#include <linux/gpio.h> -#include <linux/irq.h> - -#include <asm/mach-types.h> -#include "hx4700.h" - -#include <pcmcia/soc_common.h> - -static struct gpio gpios[] = { - { GPIO114_HX4700_CF_RESET, GPIOF_OUT_INIT_LOW, "CF reset" }, - { EGPIO4_CF_3V3_ON, GPIOF_OUT_INIT_LOW, "CF 3.3V enable" }, -}; - -static int hx4700_pcmcia_hw_init(struct soc_pcmcia_socket *skt) -{ - int ret; - - ret = gpio_request_array(gpios, ARRAY_SIZE(gpios)); - if (ret) - goto out; - - /* - * IRQ type must be set before soc_pcmcia_hw_init() calls request_irq(). - * The asic3 default IRQ type is level trigger low level detect, exactly - * the the signal present on GPIOD4_CF_nCD when a CF card is inserted. - * If the IRQ type is not changed, the asic3 interrupt handler will loop - * repeatedly because it is unable to clear the level trigger interrupt. - */ - irq_set_irq_type(gpio_to_irq(GPIOD4_CF_nCD), IRQ_TYPE_EDGE_BOTH); - - skt->stat[SOC_STAT_CD].gpio = GPIOD4_CF_nCD; - skt->stat[SOC_STAT_CD].name = "PCMCIA CD"; - skt->stat[SOC_STAT_RDY].gpio = GPIO60_HX4700_CF_RNB; - skt->stat[SOC_STAT_RDY].name = "PCMCIA Ready"; - -out: - return ret; -} - -static void hx4700_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt) -{ - gpio_free_array(gpios, ARRAY_SIZE(gpios)); -} - -static void hx4700_pcmcia_socket_state(struct soc_pcmcia_socket *skt, - struct pcmcia_state *state) -{ - state->vs_3v = 1; - state->vs_Xv = 0; -} - -static int hx4700_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, - const socket_state_t *state) -{ - switch (state->Vcc) { - case 0: - gpio_set_value(EGPIO4_CF_3V3_ON, 0); - break; - case 33: - gpio_set_value(EGPIO4_CF_3V3_ON, 1); - break; - default: - printk(KERN_ERR "pcmcia: Unsupported Vcc: %d\n", state->Vcc); - return -EINVAL; - } - - gpio_set_value(GPIO114_HX4700_CF_RESET, (state->flags & SS_RESET) != 0); - - return 0; -} - -static struct pcmcia_low_level hx4700_pcmcia_ops = { - .owner = THIS_MODULE, - .nr = 1, - .hw_init = hx4700_pcmcia_hw_init, - .hw_shutdown = hx4700_pcmcia_hw_shutdown, - .socket_state = hx4700_pcmcia_socket_state, - .configure_socket = hx4700_pcmcia_configure_socket, -}; - -static struct platform_device *hx4700_pcmcia_device; - -static int __init hx4700_pcmcia_init(void) -{ - struct platform_device *pdev; - - if (!machine_is_h4700()) - return -ENODEV; - - pdev = platform_device_register_data(NULL, "pxa2xx-pcmcia", -1, - &hx4700_pcmcia_ops, sizeof(hx4700_pcmcia_ops)); - if (IS_ERR(pdev)) - return PTR_ERR(pdev); - - hx4700_pcmcia_device = pdev; - - return 0; -} - -static void __exit hx4700_pcmcia_exit(void) -{ - platform_device_unregister(hx4700_pcmcia_device); -} - -module_init(hx4700_pcmcia_init); -module_exit(hx4700_pcmcia_exit); - -MODULE_AUTHOR("Paul Parsons <lost.distance@yahoo.com>"); -MODULE_DESCRIPTION("HP iPAQ hx4700 PCMCIA driver"); -MODULE_LICENSE("GPL"); |