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Add GPIO init and sd reader reset script.

zsun
Andrzej Surowiec 2016-01-12 17:25:06 +01:00
parent c2e59aee09
commit 6aef476cb5
2 changed files with 10 additions and 0 deletions
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5
target/linux/ar71xx/base-files/etc/rc.button/BTN_1 Executable file
View File

@ -0,0 +1,5 @@
#!/bin/sh
logger Resetting the SD card reader
echo "0" > /sys/class/gpio/gpio18/value
echo "1" > /sys/class/gpio/gpio18/value

5
target/linux/ar71xx/files/arch/mips/ath79/mach-zsun-sdreader.c
View File

@ -9,6 +9,7 @@
* by the Free Software Foundation.
*/
#include <linux/gpio.h>
#include <asm/mach-ath79/ath79.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
@ -24,6 +25,8 @@
#define ZSUN_SDREADER_GPIO_LED_SYSTEM 0
#define ZSUN_SDREADER_GPIO_SW_SD 22
#define ZSUN_SDREADER_GPIO_USB_SWITCH 21
#define ZSUN_SDREADER_GPIO_SD_RESET 18
#define ZSUN_SDREADER_MAC0_OFFSET 0x0000
#define ZSUN_SDREADER_MAC1_OFFSET 0x0006
@ -88,6 +91,8 @@ static void __init zsun_sdreader_setup(void)
ath79_register_gpio_keys_polled(-1, ZSUN_SDREADER_KEYS_POLL_INTERVAL,
ARRAY_SIZE(zsun_sdreader_gpio_keys),
zsun_sdreader_gpio_keys);
gpio_request_one(ZSUN_SDREADER_GPIO_USB_SWITCH, GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED, "USB switch");
gpio_request_one(ZSUN_SDREADER_GPIO_SD_RESET, GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_CHANGEABLE, "SD reader reset");
ath79_register_usb();
}