diff options
Diffstat (limited to 'arch/arm/mach-mx2/pcm970-baseboard.c')
-rw-r--r-- | arch/arm/mach-mx2/pcm970-baseboard.c | 133 |
1 files changed, 132 insertions, 1 deletions
diff --git a/arch/arm/mach-mx2/pcm970-baseboard.c b/arch/arm/mach-mx2/pcm970-baseboard.c index a560cd6ad23d..bf4e520bc1bc 100644 --- a/arch/arm/mach-mx2/pcm970-baseboard.c +++ b/arch/arm/mach-mx2/pcm970-baseboard.c | |||
@@ -17,9 +17,138 @@ | |||
17 | */ | 17 | */ |
18 | 18 | ||
19 | #include <linux/platform_device.h> | 19 | #include <linux/platform_device.h> |
20 | #include <mach/hardware.h> | 20 | #include <linux/gpio.h> |
21 | #include <linux/irq.h> | ||
22 | |||
21 | #include <asm/mach/arch.h> | 23 | #include <asm/mach/arch.h> |
22 | 24 | ||
25 | #include <mach/hardware.h> | ||
26 | #include <mach/common.h> | ||
27 | #include <mach/mmc.h> | ||
28 | #include <mach/imxfb.h> | ||
29 | #include <mach/iomux.h> | ||
30 | |||
31 | #include "devices.h" | ||
32 | |||
33 | static int pcm970_sdhc2_get_ro(struct device *dev) | ||
34 | { | ||
35 | return gpio_get_value(GPIO_PORTC + 28); | ||
36 | } | ||
37 | |||
38 | static int pcm970_sdhc2_pins[] = { | ||
39 | PB4_PF_SD2_D0, | ||
40 | PB5_PF_SD2_D1, | ||
41 | PB6_PF_SD2_D2, | ||
42 | PB7_PF_SD2_D3, | ||
43 | PB8_PF_SD2_CMD, | ||
44 | PB9_PF_SD2_CLK, | ||
45 | }; | ||
46 | |||
47 | static int pcm970_sdhc2_init(struct device *dev, irq_handler_t detect_irq, void *data) | ||
48 | { | ||
49 | int ret; | ||
50 | |||
51 | ret = mxc_gpio_setup_multiple_pins(pcm970_sdhc2_pins, | ||
52 | ARRAY_SIZE(pcm970_sdhc2_pins), "sdhc2"); | ||
53 | if(ret) | ||
54 | return ret; | ||
55 | |||
56 | ret = request_irq(IRQ_GPIOC(29), detect_irq, 0, | ||
57 | "imx-mmc-detect", data); | ||
58 | if (ret) | ||
59 | goto out_release_gpio; | ||
60 | |||
61 | set_irq_type(IRQ_GPIOC(29), IRQF_TRIGGER_FALLING); | ||
62 | |||
63 | ret = gpio_request(GPIO_PORTC + 28, "imx-mmc-ro"); | ||
64 | if (ret) | ||
65 | goto out_release_gpio; | ||
66 | |||
67 | mxc_gpio_mode((GPIO_PORTC | 28) | GPIO_GPIO | GPIO_IN); | ||
68 | gpio_direction_input(GPIO_PORTC + 28); | ||
69 | |||
70 | return 0; | ||
71 | |||
72 | out_release_gpio: | ||
73 | mxc_gpio_release_multiple_pins(pcm970_sdhc2_pins, | ||
74 | ARRAY_SIZE(pcm970_sdhc2_pins)); | ||
75 | return ret; | ||
76 | } | ||
77 | |||
78 | static void pcm970_sdhc2_exit(struct device *dev, void *data) | ||
79 | { | ||
80 | free_irq(IRQ_GPIOC(29), data); | ||
81 | gpio_free(GPIO_PORTC + 28); | ||
82 | mxc_gpio_release_multiple_pins(pcm970_sdhc2_pins, | ||
83 | ARRAY_SIZE(pcm970_sdhc2_pins)); | ||
84 | } | ||
85 | |||
86 | static struct imxmmc_platform_data sdhc_pdata = { | ||
87 | .get_ro = pcm970_sdhc2_get_ro, | ||
88 | .init = pcm970_sdhc2_init, | ||
89 | .exit = pcm970_sdhc2_exit, | ||
90 | }; | ||
91 | |||
92 | static int mxc_fb_pins[] = { | ||
93 | PA5_PF_LSCLK, PA6_PF_LD0, PA7_PF_LD1, PA8_PF_LD2, | ||
94 | PA9_PF_LD3, PA10_PF_LD4, PA11_PF_LD5, PA12_PF_LD6, | ||
95 | PA13_PF_LD7, PA14_PF_LD8, PA15_PF_LD9, PA16_PF_LD10, | ||
96 | PA17_PF_LD11, PA18_PF_LD12, PA19_PF_LD13, PA20_PF_LD14, | ||
97 | PA21_PF_LD15, PA22_PF_LD16, PA23_PF_LD17, PA24_PF_REV, | ||
98 | PA25_PF_CLS, PA26_PF_PS, PA27_PF_SPL_SPR, PA28_PF_HSYNC, | ||
99 | PA29_PF_VSYNC, PA30_PF_CONTRAST, PA31_PF_OE_ACD | ||
100 | }; | ||
101 | |||
102 | static int pcm038_fb_init(struct platform_device *pdev) | ||
103 | { | ||
104 | return mxc_gpio_setup_multiple_pins(mxc_fb_pins, | ||
105 | ARRAY_SIZE(mxc_fb_pins), "FB"); | ||
106 | } | ||
107 | |||
108 | static int pcm038_fb_exit(struct platform_device *pdev) | ||
109 | { | ||
110 | mxc_gpio_release_multiple_pins(mxc_fb_pins, ARRAY_SIZE(mxc_fb_pins)); | ||
111 | |||
112 | return 0; | ||
113 | } | ||
114 | |||
115 | /* | ||
116 | * Connected is a portrait Sharp-QVGA display | ||
117 | * of type: LQ035Q7DH06 | ||
118 | */ | ||
119 | static struct imx_fb_platform_data pcm038_fb_data = { | ||
120 | .pixclock = 188679, /* in ps (5.3MHz) */ | ||
121 | .xres = 240, | ||
122 | .yres = 320, | ||
123 | |||
124 | .bpp = 16, | ||
125 | .hsync_len = 7, | ||
126 | .left_margin = 5, | ||
127 | .right_margin = 16, | ||
128 | |||
129 | .vsync_len = 1, | ||
130 | .upper_margin = 7, | ||
131 | .lower_margin = 9, | ||
132 | .fixed_screen_cpu = 0, | ||
133 | |||
134 | /* | ||
135 | * - HSYNC active high | ||
136 | * - VSYNC active high | ||
137 | * - clk notenabled while idle | ||
138 | * - clock not inverted | ||
139 | * - data not inverted | ||
140 | * - data enable low active | ||
141 | * - enable sharp mode | ||
142 | */ | ||
143 | .pcr = 0xFA0080C0, | ||
144 | .pwmr = 0x00A903FF, | ||
145 | .lscr1 = 0x00120300, | ||
146 | .dmacr = 0x00020010, | ||
147 | |||
148 | .init = pcm038_fb_init, | ||
149 | .exit = pcm038_fb_exit, | ||
150 | }; | ||
151 | |||
23 | /* | 152 | /* |
24 | * system init for baseboard usage. Will be called by pcm038 init. | 153 | * system init for baseboard usage. Will be called by pcm038 init. |
25 | * | 154 | * |
@@ -28,4 +157,6 @@ | |||
28 | */ | 157 | */ |
29 | void __init pcm970_baseboard_init(void) | 158 | void __init pcm970_baseboard_init(void) |
30 | { | 159 | { |
160 | mxc_register_device(&mxc_fb_device, &pcm038_fb_data); | ||
161 | mxc_register_device(&mxc_sdhc_device1, &sdhc_pdata); | ||
31 | } | 162 | } |