Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 149177
b: refs/heads/master
c: d0b1eab
h: refs/heads/master
i:
  149175: bdcb3d9
v: v3
  • Loading branch information
Daniel Mack authored and Sascha Hauer committed May 26, 2009
1 parent 26e8594 commit d12e3d7
Show file tree
Hide file tree
Showing 2 changed files with 68 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: cbaa6ca1f5af59ec8d0d104c1f02b65a6cf0a8aa
refs/heads/master: d0b1eabc7b255daa978849229703b4d70a4c0555
67 changes: 67 additions & 0 deletions trunk/arch/arm/mach-mx3/mx31lilly-db.c
Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/init.h>
#include <linux/gpio.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
Expand All @@ -37,6 +38,7 @@
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/board-mx31lilly.h>
#include <mach/mmc.h>

#include "devices.h"

Expand All @@ -51,18 +53,83 @@ static unsigned int lilly_db_board_pins[] __initdata = {
MX31_PIN_RTS1__RTS1,
MX31_PIN_TXD1__TXD1,
MX31_PIN_RXD1__RXD1,
MX31_PIN_SD1_DATA3__SD1_DATA3,
MX31_PIN_SD1_DATA2__SD1_DATA2,
MX31_PIN_SD1_DATA1__SD1_DATA1,
MX31_PIN_SD1_DATA0__SD1_DATA0,
MX31_PIN_SD1_CLK__SD1_CLK,
MX31_PIN_SD1_CMD__SD1_CMD,
};

/* UART */
static struct imxuart_platform_data uart_pdata __initdata = {
.flags = IMXUART_HAVE_RTSCTS,
};

/* MMC support */

static int mxc_mmc1_get_ro(struct device *dev)
{
return gpio_get_value(IOMUX_TO_GPIO(MX31_PIN_LCS0));
}

static int gpio_det, gpio_wp;

static int mxc_mmc1_init(struct device *dev,
irq_handler_t detect_irq, void *data)
{
int ret;

gpio_det = IOMUX_TO_GPIO(MX31_PIN_GPIO1_1);
gpio_wp = IOMUX_TO_GPIO(MX31_PIN_LCS0);

ret = gpio_request(gpio_det, "MMC detect");
if (ret)
return ret;

ret = gpio_request(gpio_wp, "MMC w/p");
if (ret)
goto exit_free_det;

gpio_direction_input(gpio_det);
gpio_direction_input(gpio_wp);

ret = request_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), detect_irq,
IRQF_DISABLED | IRQF_TRIGGER_FALLING,
"MMC detect", data);
if (ret)
goto exit_free_wp;

return 0;

exit_free_wp:
gpio_free(gpio_wp);

exit_free_det:
gpio_free(gpio_det);

return ret;
}

static void mxc_mmc1_exit(struct device *dev, void *data)
{
gpio_free(gpio_det);
gpio_free(gpio_wp);
free_irq(IOMUX_TO_IRQ(MX31_PIN_GPIO1_1), data);
}

static struct imxmmc_platform_data mmc_pdata = {
.get_ro = mxc_mmc1_get_ro,
.init = mxc_mmc1_init,
.exit = mxc_mmc1_exit,
};

void __init mx31lilly_db_init(void)
{
mxc_iomux_setup_multiple_pins(lilly_db_board_pins,
ARRAY_SIZE(lilly_db_board_pins),
"development board pins");
mxc_register_device(&mxc_uart_device0, &uart_pdata);
mxc_register_device(&mxcsdhc_device0, &mmc_pdata);
}

0 comments on commit d12e3d7

Please sign in to comment.