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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-30 08:26:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-30 08:26:25 -0700
commit706d4b12f8d7edd28d7e879a77235472da393edb (patch)
treec9bc1ce06b1154a49da1d0d907cac544a818eb0e /arch/arm/mach-imx
parent3af54c9bd9e6f14f896aac1bb0e8405ae0bc7a44 (diff)
parent9bafc74163d8bccca9810159aab39be926fb877c (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (215 commits) ARM: memblock: setup lowmem mappings using memblock ARM: memblock: move meminfo into find_limits directly ARM: memblock: convert free_highpages() to use memblock ARM: move freeing of highmem pages out of mem_init() ARM: memblock: convert memory detail printing to use memblock ARM: memblock: use memblock to free memory into arm_bootmem_init() ARM: memblock: use memblock when initializing memory allocators ARM: ensure membank array is always sorted ARM: 6466/1: implement flush_icache_all for the rest of the CPUs ARM: 6464/2: fix spinlock recursion in adjust_pte() ARM: fix memblock breakage ARM: 6465/1: Fix data abort accessing proc_info from __lookup_processor_type ARM: 6460/1: ixp2000: fix type of ixp2000_timer_interrupt ARM: 6449/1: Fix for compiler warning of uninitialized variable. ARM: 6445/1: fixup TCM memory types ARM: imx: Add wake functionality to GPIO ARM: mx5: Add gpio-keys to mx51 babbage board ARM: imx: Add gpio-keys to plat-mxc mx31_3ds: Fix spi registration mx31_3ds: Fix the logic for detecting the debug board ...
Diffstat (limited to 'arch/arm/mach-imx')
-rw-r--r--arch/arm/mach-imx/mach-mx27_3ds.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c
index b8bbd31aa85..84a5ba03f1b 100644
--- a/arch/arm/mach-imx/mach-mx27_3ds.c
+++ b/arch/arm/mach-imx/mach-mx27_3ds.c
@@ -23,16 +23,20 @@
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/input/matrix_keypad.h>
+#include <linux/irq.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/iomux-mx27.h>
+#include <mach/mmc.h>
#include "devices-imx27.h"
#include "devices.h"
+#define SD1_EN_GPIO (GPIO_PORTB + 25)
+
static const int mx27pdk_pins[] __initconst = {
/* UART1 */
PE12_PF_UART1_TXD,
@@ -58,6 +62,14 @@ static const int mx27pdk_pins[] __initconst = {
PD15_AOUT_FEC_COL,
PD16_AIN_FEC_TX_ER,
PF23_AIN_FEC_TX_EN,
+ /* SDHC1 */
+ PE18_PF_SD1_D0,
+ PE19_PF_SD1_D1,
+ PE20_PF_SD1_D2,
+ PE21_PF_SD1_D3,
+ PE22_PF_SD1_CMD,
+ PE23_PF_SD1_CLK,
+ SD1_EN_GPIO | GPIO_GPIO | GPIO_OUT,
};
static const struct imxuart_platform_data uart_pdata __initconst = {
@@ -85,13 +97,39 @@ static struct matrix_keymap_data mx27_3ds_keymap_data = {
.keymap_size = ARRAY_SIZE(mx27_3ds_keymap),
};
+static int mx27_3ds_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
+ void *data)
+{
+ return request_irq(IRQ_GPIOB(26), detect_irq, IRQF_TRIGGER_FALLING |
+ IRQF_TRIGGER_RISING, "sdhc1-card-detect", data);
+}
+
+static void mx27_3ds_sdhc1_exit(struct device *dev, void *data)
+{
+ free_irq(IRQ_GPIOB(26), data);
+}
+
+static struct imxmmc_platform_data sdhc1_pdata = {
+ .init = mx27_3ds_sdhc1_init,
+ .exit = mx27_3ds_sdhc1_exit,
+};
+
+static void mx27_3ds_sdhc1_enable_level_translator(void)
+{
+ /* Turn on TXB0108 OE pin */
+ gpio_request(SD1_EN_GPIO, "sd1_enable");
+ gpio_direction_output(SD1_EN_GPIO, 1);
+}
+
static void __init mx27pdk_init(void)
{
mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
"mx27pdk");
+ mx27_3ds_sdhc1_enable_level_translator();
imx27_add_imx_uart0(&uart_pdata);
imx27_add_fec(NULL);
mxc_register_device(&imx_kpp_device, &mx27_3ds_keymap_data);
+ mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
}
static void __init mx27pdk_timer_init(void)