diff options
Diffstat (limited to 'drivers/pcmcia/pxa2xx_stargate2.c')
-rw-r--r-- | drivers/pcmcia/pxa2xx_stargate2.c | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/drivers/pcmcia/pxa2xx_stargate2.c b/drivers/pcmcia/pxa2xx_stargate2.c deleted file mode 100644 index 6efb7f814b4a..000000000000 --- a/drivers/pcmcia/pxa2xx_stargate2.c +++ /dev/null @@ -1,137 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * linux/drivers/pcmcia/pxa2xx_stargate2.c - * - * Stargate 2 PCMCIA specific routines. - * - * Created: December 6, 2005 - * Author: Ed C. Epp - * Copyright: Intel Corp 2005 - * Jonathan Cameron <jic23@cam.ac.uk> 2009 - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/interrupt.h> -#include <linux/delay.h> -#include <linux/platform_device.h> -#include <linux/gpio.h> - -#include <pcmcia/ss.h> - -#include <asm/irq.h> -#include <asm/mach-types.h> - -#include "soc_common.h" - -#define SG2_S0_POWER_CTL 108 -#define SG2_S0_GPIO_RESET 82 -#define SG2_S0_GPIO_DETECT 53 -#define SG2_S0_GPIO_READY 81 - -static struct gpio sg2_pcmcia_gpios[] = { - { SG2_S0_GPIO_RESET, GPIOF_OUT_INIT_HIGH, "PCMCIA Reset" }, - { SG2_S0_POWER_CTL, GPIOF_OUT_INIT_HIGH, "PCMCIA Power Ctrl" }, -}; - -static int sg2_pcmcia_hw_init(struct soc_pcmcia_socket *skt) -{ - skt->stat[SOC_STAT_CD].gpio = SG2_S0_GPIO_DETECT; - skt->stat[SOC_STAT_CD].name = "PCMCIA0 CD"; - skt->stat[SOC_STAT_RDY].gpio = SG2_S0_GPIO_READY; - skt->stat[SOC_STAT_RDY].name = "PCMCIA0 RDY"; - return 0; -} - -static void sg2_pcmcia_socket_state(struct soc_pcmcia_socket *skt, - struct pcmcia_state *state) -{ - state->bvd1 = 0; /* not available - battery detect on card */ - state->bvd2 = 0; /* not available */ - state->vs_3v = 1; /* not available - voltage detect for card */ - state->vs_Xv = 0; /* not available */ -} - -static int sg2_pcmcia_configure_socket(struct soc_pcmcia_socket *skt, - const socket_state_t *state) -{ - /* Enable card power */ - switch (state->Vcc) { - case 0: - /* sets power ctl register high */ - gpio_set_value(SG2_S0_POWER_CTL, 1); - break; - case 33: - case 50: - /* sets power control register low (clear) */ - gpio_set_value(SG2_S0_POWER_CTL, 0); - msleep(100); - break; - default: - pr_err("%s(): bad Vcc %u\n", - __func__, state->Vcc); - return -1; - } - - /* reset */ - gpio_set_value(SG2_S0_GPIO_RESET, !!(state->flags & SS_RESET)); - - return 0; -} - -static struct pcmcia_low_level sg2_pcmcia_ops __initdata = { - .owner = THIS_MODULE, - .hw_init = sg2_pcmcia_hw_init, - .socket_state = sg2_pcmcia_socket_state, - .configure_socket = sg2_pcmcia_configure_socket, - .nr = 1, -}; - -static struct platform_device *sg2_pcmcia_device; - -static int __init sg2_pcmcia_init(void) -{ - int ret; - - if (!machine_is_stargate2()) - return -ENODEV; - - sg2_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1); - if (!sg2_pcmcia_device) - return -ENOMEM; - - ret = gpio_request_array(sg2_pcmcia_gpios, ARRAY_SIZE(sg2_pcmcia_gpios)); - if (ret) - goto error_put_platform_device; - - ret = platform_device_add_data(sg2_pcmcia_device, - &sg2_pcmcia_ops, - sizeof(sg2_pcmcia_ops)); - if (ret) - goto error_free_gpios; - - ret = platform_device_add(sg2_pcmcia_device); - if (ret) - goto error_free_gpios; - - return 0; -error_free_gpios: - gpio_free_array(sg2_pcmcia_gpios, ARRAY_SIZE(sg2_pcmcia_gpios)); -error_put_platform_device: - platform_device_put(sg2_pcmcia_device); - - return ret; -} - -static void __exit sg2_pcmcia_exit(void) -{ - platform_device_unregister(sg2_pcmcia_device); - gpio_free_array(sg2_pcmcia_gpios, ARRAY_SIZE(sg2_pcmcia_gpios)); -} - -fs_initcall(sg2_pcmcia_init); -module_exit(sg2_pcmcia_exit); - -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:pxa2xx-pcmcia"); |