diff options
Diffstat (limited to 'arch/arm/mach-mmp/gplugd.c')
-rw-r--r-- | arch/arm/mach-mmp/gplugd.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/arch/arm/mach-mmp/gplugd.c b/arch/arm/mach-mmp/gplugd.c new file mode 100644 index 00000000000..98e25d9aaab --- /dev/null +++ b/arch/arm/mach-mmp/gplugd.c | |||
@@ -0,0 +1,197 @@ | |||
1 | /* | ||
2 | * linux/arch/arm/mach-mmp/gplugd.c | ||
3 | * | ||
4 | * Support for the Marvell PXA168-based GuruPlug Display (gplugD) Platform. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * publishhed by the Free Software Foundation. | ||
9 | */ | ||
10 | |||
11 | #include <linux/init.h> | ||
12 | |||
13 | #include <asm/mach/arch.h> | ||
14 | #include <asm/mach-types.h> | ||
15 | |||
16 | #include <mach/gpio.h> | ||
17 | #include <mach/pxa168.h> | ||
18 | #include <mach/mfp-pxa168.h> | ||
19 | |||
20 | #include "common.h" | ||
21 | |||
22 | static unsigned long gplugd_pin_config[] __initdata = { | ||
23 | /* UART3 */ | ||
24 | GPIO8_UART3_TXD, | ||
25 | GPIO9_UART3_RXD, | ||
26 | GPIO1O_UART3_CTS, | ||
27 | GPIO11_UART3_RTS, | ||
28 | |||
29 | /* USB OTG PEN */ | ||
30 | GPIO18_GPIO, | ||
31 | |||
32 | /* MMC2 */ | ||
33 | GPIO28_MMC2_CMD, | ||
34 | GPIO29_MMC2_CLK, | ||
35 | GPIO30_MMC2_DAT0, | ||
36 | GPIO31_MMC2_DAT1, | ||
37 | GPIO32_MMC2_DAT2, | ||
38 | GPIO33_MMC2_DAT3, | ||
39 | |||
40 | /* LCD & HDMI clock selection GPIO: 0: 74.176MHz, 1: 74.25 MHz */ | ||
41 | GPIO35_GPIO, | ||
42 | GPIO36_GPIO, /* CEC Interrupt */ | ||
43 | |||
44 | /* MMC1 */ | ||
45 | GPIO43_MMC1_CLK, | ||
46 | GPIO49_MMC1_CMD, | ||
47 | GPIO41_MMC1_DAT0, | ||
48 | GPIO40_MMC1_DAT1, | ||
49 | GPIO52_MMC1_DAT2, | ||
50 | GPIO51_MMC1_DAT3, | ||
51 | GPIO53_MMC1_CD, | ||
52 | |||
53 | /* LCD */ | ||
54 | GPIO56_LCD_FCLK_RD, | ||
55 | GPIO57_LCD_LCLK_A0, | ||
56 | GPIO58_LCD_PCLK_WR, | ||
57 | GPIO59_LCD_DENA_BIAS, | ||
58 | GPIO60_LCD_DD0, | ||
59 | GPIO61_LCD_DD1, | ||
60 | GPIO62_LCD_DD2, | ||
61 | GPIO63_LCD_DD3, | ||
62 | GPIO64_LCD_DD4, | ||
63 | GPIO65_LCD_DD5, | ||
64 | GPIO66_LCD_DD6, | ||
65 | GPIO67_LCD_DD7, | ||
66 | GPIO68_LCD_DD8, | ||
67 | GPIO69_LCD_DD9, | ||
68 | GPIO70_LCD_DD10, | ||
69 | GPIO71_LCD_DD11, | ||
70 | GPIO72_LCD_DD12, | ||
71 | GPIO73_LCD_DD13, | ||
72 | GPIO74_LCD_DD14, | ||
73 | GPIO75_LCD_DD15, | ||
74 | GPIO76_LCD_DD16, | ||
75 | GPIO77_LCD_DD17, | ||
76 | GPIO78_LCD_DD18, | ||
77 | GPIO79_LCD_DD19, | ||
78 | GPIO80_LCD_DD20, | ||
79 | GPIO81_LCD_DD21, | ||
80 | GPIO82_LCD_DD22, | ||
81 | GPIO83_LCD_DD23, | ||
82 | |||
83 | /* GPIO */ | ||
84 | GPIO84_GPIO, | ||
85 | GPIO85_GPIO, | ||
86 | |||
87 | /* Fast-Ethernet*/ | ||
88 | GPIO86_TX_CLK, | ||
89 | GPIO87_TX_EN, | ||
90 | GPIO88_TX_DQ3, | ||
91 | GPIO89_TX_DQ2, | ||
92 | GPIO90_TX_DQ1, | ||
93 | GPIO91_TX_DQ0, | ||
94 | GPIO92_MII_CRS, | ||
95 | GPIO93_MII_COL, | ||
96 | GPIO94_RX_CLK, | ||
97 | GPIO95_RX_ER, | ||
98 | GPIO96_RX_DQ3, | ||
99 | GPIO97_RX_DQ2, | ||
100 | GPIO98_RX_DQ1, | ||
101 | GPIO99_RX_DQ0, | ||
102 | GPIO100_MII_MDC, | ||
103 | GPIO101_MII_MDIO, | ||
104 | GPIO103_RX_DV, | ||
105 | GPIO104_GPIO, /* Reset PHY */ | ||
106 | |||
107 | /* RTC interrupt */ | ||
108 | GPIO102_GPIO, | ||
109 | |||
110 | /* I2C */ | ||
111 | GPIO105_CI2C_SDA, | ||
112 | GPIO106_CI2C_SCL, | ||
113 | |||
114 | /* SPI NOR Flash on SSP2 */ | ||
115 | GPIO107_SSP2_RXD, | ||
116 | GPIO108_SSP2_TXD, | ||
117 | GPIO110_GPIO, /* SPI_CSn */ | ||
118 | GPIO111_SSP2_CLK, | ||
119 | |||
120 | /* Select JTAG */ | ||
121 | GPIO109_GPIO, | ||
122 | |||
123 | /* I2S */ | ||
124 | GPIO114_I2S_FRM, | ||
125 | GPIO115_I2S_BCLK, | ||
126 | GPIO116_I2S_TXD | ||
127 | }; | ||
128 | |||
129 | static struct i2c_board_info gplugd_i2c_board_info[] = { | ||
130 | { | ||
131 | .type = "isl1208", | ||
132 | .addr = 0x6F, | ||
133 | } | ||
134 | }; | ||
135 | |||
136 | /* Bring PHY out of reset by setting GPIO 104 */ | ||
137 | static int gplugd_eth_init(void) | ||
138 | { | ||
139 | if (unlikely(gpio_request(104, "ETH_RESET_N"))) { | ||
140 | printk(KERN_ERR "Can't get hold of GPIO 104 to bring Ethernet " | ||
141 | "PHY out of reset\n"); | ||
142 | return -EIO; | ||
143 | } | ||
144 | |||
145 | gpio_direction_output(104, 1); | ||
146 | gpio_free(104); | ||
147 | return 0; | ||
148 | } | ||
149 | |||
150 | struct pxa168_eth_platform_data gplugd_eth_platform_data = { | ||
151 | .port_number = 0, | ||
152 | .phy_addr = 0, | ||
153 | .speed = 0, /* Autonagotiation */ | ||
154 | .init = gplugd_eth_init, | ||
155 | }; | ||
156 | |||
157 | static void __init select_disp_freq(void) | ||
158 | { | ||
159 | /* set GPIO 35 & clear GPIO 85 to set LCD External Clock to 74.25 MHz */ | ||
160 | if (unlikely(gpio_request(35, "DISP_FREQ_SEL"))) { | ||
161 | printk(KERN_ERR "Can't get hold of GPIO 35 to select display " | ||
162 | "frequency\n"); | ||
163 | } else { | ||
164 | gpio_direction_output(35, 1); | ||
165 | gpio_free(35); | ||
166 | } | ||
167 | |||
168 | if (unlikely(gpio_request(85, "DISP_FREQ_SEL_2"))) { | ||
169 | printk(KERN_ERR "Can't get hold of GPIO 85 to select display " | ||
170 | "frequency\n"); | ||
171 | } else { | ||
172 | gpio_direction_output(85, 0); | ||
173 | gpio_free(85); | ||
174 | } | ||
175 | } | ||
176 | |||
177 | static void __init gplugd_init(void) | ||
178 | { | ||
179 | mfp_config(ARRAY_AND_SIZE(gplugd_pin_config)); | ||
180 | |||
181 | select_disp_freq(); | ||
182 | |||
183 | /* on-chip devices */ | ||
184 | pxa168_add_uart(3); | ||
185 | pxa168_add_ssp(0); | ||
186 | pxa168_add_twsi(0, NULL, ARRAY_AND_SIZE(gplugd_i2c_board_info)); | ||
187 | |||
188 | pxa168_add_eth(&gplugd_eth_platform_data); | ||
189 | } | ||
190 | |||
191 | MACHINE_START(SHEEVAD, "PXA168-based GuruPlug Display (gplugD) Platform") | ||
192 | .map_io = mmp_map_io, | ||
193 | .nr_irqs = IRQ_BOARD_START, | ||
194 | .init_irq = pxa168_init_irq, | ||
195 | .timer = &pxa168_timer, | ||
196 | .init_machine = gplugd_init, | ||
197 | MACHINE_END | ||