1 /*
2 * Platform data definitions.
3 */
4 #ifndef __ASM_ARCH_BOARD_H
5 #define __ASM_ARCH_BOARD_H
6
7 #include <linux/types.h>
8
9 #define GPIO_PIN_NONE (-1)
10
11 /*
12 * Clock rates for various on-board oscillators. The number of entries
13 * in this array is chip-dependent.
14 */
15 extern unsigned long at32_board_osc_rates[];
16
17 /*
18 * This used to add essential system devices, but this is now done
19 * automatically. Please don't use it in new board code.
20 */
at32_add_system_devices(void)21 static inline void __deprecated at32_add_system_devices(void)
22 {
23
24 }
25
26 #define ATMEL_MAX_UART 4
27 extern struct platform_device *atmel_default_console_device;
28
29 struct atmel_uart_data {
30 short use_dma_tx; /* use transmit DMA? */
31 short use_dma_rx; /* use receive DMA? */
32 void __iomem *regs; /* virtual base address, if any */
33 };
34 void at32_map_usart(unsigned int hw_id, unsigned int line);
35 struct platform_device *at32_add_device_usart(unsigned int id);
36
37 struct eth_platform_data {
38 u32 phy_mask;
39 u8 is_rmii;
40 };
41 struct platform_device *
42 at32_add_device_eth(unsigned int id, struct eth_platform_data *data);
43
44 struct spi_board_info;
45 struct platform_device *
46 at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n);
47
48 struct atmel_lcdfb_info;
49 struct platform_device *
50 at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
51 unsigned long fbmem_start, unsigned long fbmem_len,
52 u64 pin_mask);
53
54 struct usba_platform_data;
55 struct platform_device *
56 at32_add_device_usba(unsigned int id, struct usba_platform_data *data);
57
58 struct ide_platform_data {
59 u8 cs;
60 };
61 struct platform_device *
62 at32_add_device_ide(unsigned int id, unsigned int extint,
63 struct ide_platform_data *data);
64
65 /* mask says which PWM channels to mux */
66 struct platform_device *at32_add_device_pwm(u32 mask);
67
68 /* depending on what's hooked up, not all SSC pins will be used */
69 #define ATMEL_SSC_TK 0x01
70 #define ATMEL_SSC_TF 0x02
71 #define ATMEL_SSC_TD 0x04
72 #define ATMEL_SSC_TX (ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD)
73
74 #define ATMEL_SSC_RK 0x10
75 #define ATMEL_SSC_RF 0x20
76 #define ATMEL_SSC_RD 0x40
77 #define ATMEL_SSC_RX (ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD)
78
79 struct platform_device *
80 at32_add_device_ssc(unsigned int id, unsigned int flags);
81
82 struct i2c_board_info;
83 struct platform_device *at32_add_device_twi(unsigned int id,
84 struct i2c_board_info *b,
85 unsigned int n);
86
87 struct mci_platform_data;
88 struct platform_device *
89 at32_add_device_mci(unsigned int id, struct mci_platform_data *data);
90
91 struct ac97c_platform_data {
92 unsigned short dma_rx_periph_id;
93 unsigned short dma_tx_periph_id;
94 unsigned short dma_controller_id;
95 int reset_pin;
96 };
97 struct platform_device *
98 at32_add_device_ac97c(unsigned int id, struct ac97c_platform_data *data);
99
100 struct platform_device *at32_add_device_abdac(unsigned int id);
101 struct platform_device *at32_add_device_psif(unsigned int id);
102
103 struct cf_platform_data {
104 int detect_pin;
105 int reset_pin;
106 int vcc_pin;
107 int ready_pin;
108 u8 cs;
109 };
110 struct platform_device *
111 at32_add_device_cf(unsigned int id, unsigned int extint,
112 struct cf_platform_data *data);
113
114 /* NAND / SmartMedia */
115 struct atmel_nand_data {
116 int enable_pin; /* chip enable */
117 int det_pin; /* card detect */
118 int rdy_pin; /* ready/busy */
119 u8 rdy_pin_active_low; /* rdy_pin value is inverted */
120 u8 ale; /* address line number connected to ALE */
121 u8 cle; /* address line number connected to CLE */
122 u8 bus_width_16; /* buswidth is 16 bit */
123 struct mtd_partition *(*partition_info)(int size, int *num_partitions);
124 };
125 struct platform_device *
126 at32_add_device_nand(unsigned int id, struct atmel_nand_data *data);
127
128 #endif /* __ASM_ARCH_BOARD_H */
129