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authorRussell King <rmk+kernel@arm.linux.org.uk>2010-10-28 06:13:00 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-10-28 06:13:00 -0400
commit9ae21ca362679757786f5abe556c7943e9001426 (patch)
treedb4ab371195fed9d327745eaf12c912f3f74f0e2 /arch/arm/mach-imx/mach-mx27_3ds.c
parent12ba8d1e9262ce81a695795410bd9ee5c9407ba1 (diff)
parenta3484ffd2acc196ca934369395fe9aac63ed1a47 (diff)
Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel-stable
Diffstat (limited to 'arch/arm/mach-imx/mach-mx27_3ds.c')
-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 b8bbd31aa850..84a5ba03f1ba 100644
--- a/arch/arm/mach-imx/mach-mx27_3ds.c
+++ b/arch/arm/mach-imx/mach-mx27_3ds.c
@@ -23,16 +23,20 @@
23#include <linux/platform_device.h> 23#include <linux/platform_device.h>
24#include <linux/gpio.h> 24#include <linux/gpio.h>
25#include <linux/input/matrix_keypad.h> 25#include <linux/input/matrix_keypad.h>
26#include <linux/irq.h>
26#include <asm/mach-types.h> 27#include <asm/mach-types.h>
27#include <asm/mach/arch.h> 28#include <asm/mach/arch.h>
28#include <asm/mach/time.h> 29#include <asm/mach/time.h>
29#include <mach/hardware.h> 30#include <mach/hardware.h>
30#include <mach/common.h> 31#include <mach/common.h>
31#include <mach/iomux-mx27.h> 32#include <mach/iomux-mx27.h>
33#include <mach/mmc.h>
32 34
33#include "devices-imx27.h" 35#include "devices-imx27.h"
34#include "devices.h" 36#include "devices.h"
35 37
38#define SD1_EN_GPIO (GPIO_PORTB + 25)
39
36static const int mx27pdk_pins[] __initconst = { 40static const int mx27pdk_pins[] __initconst = {
37 /* UART1 */ 41 /* UART1 */
38 PE12_PF_UART1_TXD, 42 PE12_PF_UART1_TXD,
@@ -58,6 +62,14 @@ static const int mx27pdk_pins[] __initconst = {
58 PD15_AOUT_FEC_COL, 62 PD15_AOUT_FEC_COL,
59 PD16_AIN_FEC_TX_ER, 63 PD16_AIN_FEC_TX_ER,
60 PF23_AIN_FEC_TX_EN, 64 PF23_AIN_FEC_TX_EN,
65 /* SDHC1 */
66 PE18_PF_SD1_D0,
67 PE19_PF_SD1_D1,
68 PE20_PF_SD1_D2,
69 PE21_PF_SD1_D3,
70 PE22_PF_SD1_CMD,
71 PE23_PF_SD1_CLK,
72 SD1_EN_GPIO | GPIO_GPIO | GPIO_OUT,
61}; 73};
62 74
63static const struct imxuart_platform_data uart_pdata __initconst = { 75static const struct imxuart_platform_data uart_pdata __initconst = {
@@ -85,13 +97,39 @@ static struct matrix_keymap_data mx27_3ds_keymap_data = {
85 .keymap_size = ARRAY_SIZE(mx27_3ds_keymap), 97 .keymap_size = ARRAY_SIZE(mx27_3ds_keymap),
86}; 98};
87 99
100static int mx27_3ds_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
101 void *data)
102{
103 return request_irq(IRQ_GPIOB(26), detect_irq, IRQF_TRIGGER_FALLING |
104 IRQF_TRIGGER_RISING, "sdhc1-card-detect", data);
105}
106
107static void mx27_3ds_sdhc1_exit(struct device *dev, void *data)
108{
109 free_irq(IRQ_GPIOB(26), data);
110}
111
112static struct imxmmc_platform_data sdhc1_pdata = {
113 .init = mx27_3ds_sdhc1_init,
114 .exit = mx27_3ds_sdhc1_exit,
115};
116
117static void mx27_3ds_sdhc1_enable_level_translator(void)
118{
119 /* Turn on TXB0108 OE pin */
120 gpio_request(SD1_EN_GPIO, "sd1_enable");
121 gpio_direction_output(SD1_EN_GPIO, 1);
122}
123
88static void __init mx27pdk_init(void) 124static void __init mx27pdk_init(void)
89{ 125{
90 mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins), 126 mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
91 "mx27pdk"); 127 "mx27pdk");
128 mx27_3ds_sdhc1_enable_level_translator();
92 imx27_add_imx_uart0(&uart_pdata); 129 imx27_add_imx_uart0(&uart_pdata);
93 imx27_add_fec(NULL); 130 imx27_add_fec(NULL);
94 mxc_register_device(&imx_kpp_device, &mx27_3ds_keymap_data); 131 mxc_register_device(&imx_kpp_device, &mx27_3ds_keymap_data);
132 mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
95} 133}
96 134
97static void __init mx27pdk_timer_init(void) 135static void __init mx27pdk_timer_init(void)