diff options
author | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
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committer | Jonathan Herman <hermanjl@cs.unc.edu> | 2013-01-22 10:38:37 -0500 |
commit | fcc9d2e5a6c89d22b8b773a64fb4ad21ac318446 (patch) | |
tree | a57612d1888735a2ec7972891b68c1ac5ec8faea /arch/arm/plat-pxa/include | |
parent | 8dea78da5cee153b8af9c07a2745f6c55057fe12 (diff) |
Diffstat (limited to 'arch/arm/plat-pxa/include')
-rw-r--r-- | arch/arm/plat-pxa/include/plat/gpio.h | 64 | ||||
-rw-r--r-- | arch/arm/plat-pxa/include/plat/pxa27x_keypad.h | 69 | ||||
-rw-r--r-- | arch/arm/plat-pxa/include/plat/pxa3xx_nand.h | 63 |
3 files changed, 196 insertions, 0 deletions
diff --git a/arch/arm/plat-pxa/include/plat/gpio.h b/arch/arm/plat-pxa/include/plat/gpio.h new file mode 100644 index 00000000000..1ddd2b97a72 --- /dev/null +++ b/arch/arm/plat-pxa/include/plat/gpio.h | |||
@@ -0,0 +1,64 @@ | |||
1 | #ifndef __PLAT_GPIO_H | ||
2 | #define __PLAT_GPIO_H | ||
3 | |||
4 | struct irq_data; | ||
5 | |||
6 | /* | ||
7 | * We handle the GPIOs by banks, each bank covers up to 32 GPIOs with | ||
8 | * one set of registers. The register offsets are organized below: | ||
9 | * | ||
10 | * GPLR GPDR GPSR GPCR GRER GFER GEDR | ||
11 | * BANK 0 - 0x0000 0x000C 0x0018 0x0024 0x0030 0x003C 0x0048 | ||
12 | * BANK 1 - 0x0004 0x0010 0x001C 0x0028 0x0034 0x0040 0x004C | ||
13 | * BANK 2 - 0x0008 0x0014 0x0020 0x002C 0x0038 0x0044 0x0050 | ||
14 | * | ||
15 | * BANK 3 - 0x0100 0x010C 0x0118 0x0124 0x0130 0x013C 0x0148 | ||
16 | * BANK 4 - 0x0104 0x0110 0x011C 0x0128 0x0134 0x0140 0x014C | ||
17 | * BANK 5 - 0x0108 0x0114 0x0120 0x012C 0x0138 0x0144 0x0150 | ||
18 | * | ||
19 | * NOTE: | ||
20 | * BANK 3 is only available on PXA27x and later processors. | ||
21 | * BANK 4 and 5 are only available on PXA935 | ||
22 | */ | ||
23 | |||
24 | #define GPIO_BANK(n) (GPIO_REGS_VIRT + BANK_OFF(n)) | ||
25 | |||
26 | #define GPLR_OFFSET 0x00 | ||
27 | #define GPDR_OFFSET 0x0C | ||
28 | #define GPSR_OFFSET 0x18 | ||
29 | #define GPCR_OFFSET 0x24 | ||
30 | #define GRER_OFFSET 0x30 | ||
31 | #define GFER_OFFSET 0x3C | ||
32 | #define GEDR_OFFSET 0x48 | ||
33 | |||
34 | static inline int gpio_get_value(unsigned gpio) | ||
35 | { | ||
36 | if (__builtin_constant_p(gpio) && (gpio < NR_BUILTIN_GPIO)) | ||
37 | return GPLR(gpio) & GPIO_bit(gpio); | ||
38 | else | ||
39 | return __gpio_get_value(gpio); | ||
40 | } | ||
41 | |||
42 | static inline void gpio_set_value(unsigned gpio, int value) | ||
43 | { | ||
44 | if (__builtin_constant_p(gpio) && (gpio < NR_BUILTIN_GPIO)) { | ||
45 | if (value) | ||
46 | GPSR(gpio) = GPIO_bit(gpio); | ||
47 | else | ||
48 | GPCR(gpio) = GPIO_bit(gpio); | ||
49 | } else | ||
50 | __gpio_set_value(gpio, value); | ||
51 | } | ||
52 | |||
53 | #define gpio_cansleep __gpio_cansleep | ||
54 | |||
55 | /* NOTE: some PXAs have fewer on-chip GPIOs (like PXA255, with 85). | ||
56 | * Those cases currently cause holes in the GPIO number space, the | ||
57 | * actual number of the last GPIO is recorded by 'pxa_last_gpio'. | ||
58 | */ | ||
59 | extern int pxa_last_gpio; | ||
60 | |||
61 | typedef int (*set_wake_t)(struct irq_data *d, unsigned int on); | ||
62 | |||
63 | extern void pxa_init_gpio(int mux_irq, int start, int end, set_wake_t fn); | ||
64 | #endif /* __PLAT_GPIO_H */ | ||
diff --git a/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h new file mode 100644 index 00000000000..abcc36eb124 --- /dev/null +++ b/arch/arm/plat-pxa/include/plat/pxa27x_keypad.h | |||
@@ -0,0 +1,69 @@ | |||
1 | #ifndef __ASM_ARCH_PXA27x_KEYPAD_H | ||
2 | #define __ASM_ARCH_PXA27x_KEYPAD_H | ||
3 | |||
4 | #include <linux/input.h> | ||
5 | #include <linux/input/matrix_keypad.h> | ||
6 | |||
7 | #define MAX_MATRIX_KEY_ROWS (8) | ||
8 | #define MAX_MATRIX_KEY_COLS (8) | ||
9 | #define MATRIX_ROW_SHIFT (3) | ||
10 | #define MAX_DIRECT_KEY_NUM (8) | ||
11 | |||
12 | /* pxa3xx keypad platform specific parameters | ||
13 | * | ||
14 | * NOTE: | ||
15 | * 1. direct_key_num indicates the number of keys in the direct keypad | ||
16 | * _plus_ the number of rotary-encoder sensor inputs, this can be | ||
17 | * left as 0 if only rotary encoders are enabled, the driver will | ||
18 | * automatically calculate this | ||
19 | * | ||
20 | * 2. direct_key_map is the key code map for the direct keys, if rotary | ||
21 | * encoder(s) are enabled, direct key 0/1(2/3) will be ignored | ||
22 | * | ||
23 | * 3. rotary can be either interpreted as a relative input event (e.g. | ||
24 | * REL_WHEEL/REL_HWHEEL) or specific keys (e.g. UP/DOWN/LEFT/RIGHT) | ||
25 | * | ||
26 | * 4. matrix key and direct key will use the same debounce_interval by | ||
27 | * default, which should be sufficient in most cases | ||
28 | * | ||
29 | * pxa168 keypad platform specific parameter | ||
30 | * | ||
31 | * NOTE: | ||
32 | * clear_wakeup_event callback is a workaround required to clear the | ||
33 | * keypad interrupt. The keypad wake must be cleared in addition to | ||
34 | * reading the MI/DI bits in the KPC register. | ||
35 | */ | ||
36 | struct pxa27x_keypad_platform_data { | ||
37 | |||
38 | /* code map for the matrix keys */ | ||
39 | unsigned int matrix_key_rows; | ||
40 | unsigned int matrix_key_cols; | ||
41 | unsigned int *matrix_key_map; | ||
42 | int matrix_key_map_size; | ||
43 | |||
44 | /* direct keys */ | ||
45 | int direct_key_num; | ||
46 | unsigned int direct_key_map[MAX_DIRECT_KEY_NUM]; | ||
47 | |||
48 | /* rotary encoders 0 */ | ||
49 | int enable_rotary0; | ||
50 | int rotary0_rel_code; | ||
51 | int rotary0_up_key; | ||
52 | int rotary0_down_key; | ||
53 | |||
54 | /* rotary encoders 1 */ | ||
55 | int enable_rotary1; | ||
56 | int rotary1_rel_code; | ||
57 | int rotary1_up_key; | ||
58 | int rotary1_down_key; | ||
59 | |||
60 | /* key debounce interval */ | ||
61 | unsigned int debounce_interval; | ||
62 | |||
63 | /* clear wakeup event requirement for pxa168 */ | ||
64 | void (*clear_wakeup_event)(void); | ||
65 | }; | ||
66 | |||
67 | extern void pxa_set_keypad_info(struct pxa27x_keypad_platform_data *info); | ||
68 | |||
69 | #endif /* __ASM_ARCH_PXA27x_KEYPAD_H */ | ||
diff --git a/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h b/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h new file mode 100644 index 00000000000..442301fe48b --- /dev/null +++ b/arch/arm/plat-pxa/include/plat/pxa3xx_nand.h | |||
@@ -0,0 +1,63 @@ | |||
1 | #ifndef __ASM_ARCH_PXA3XX_NAND_H | ||
2 | #define __ASM_ARCH_PXA3XX_NAND_H | ||
3 | |||
4 | #include <linux/mtd/mtd.h> | ||
5 | #include <linux/mtd/partitions.h> | ||
6 | |||
7 | struct pxa3xx_nand_timing { | ||
8 | unsigned int tCH; /* Enable signal hold time */ | ||
9 | unsigned int tCS; /* Enable signal setup time */ | ||
10 | unsigned int tWH; /* ND_nWE high duration */ | ||
11 | unsigned int tWP; /* ND_nWE pulse time */ | ||
12 | unsigned int tRH; /* ND_nRE high duration */ | ||
13 | unsigned int tRP; /* ND_nRE pulse width */ | ||
14 | unsigned int tR; /* ND_nWE high to ND_nRE low for read */ | ||
15 | unsigned int tWHR; /* ND_nWE high to ND_nRE low for status read */ | ||
16 | unsigned int tAR; /* ND_ALE low to ND_nRE low delay */ | ||
17 | }; | ||
18 | |||
19 | struct pxa3xx_nand_cmdset { | ||
20 | uint16_t read1; | ||
21 | uint16_t read2; | ||
22 | uint16_t program; | ||
23 | uint16_t read_status; | ||
24 | uint16_t read_id; | ||
25 | uint16_t erase; | ||
26 | uint16_t reset; | ||
27 | uint16_t lock; | ||
28 | uint16_t unlock; | ||
29 | uint16_t lock_status; | ||
30 | }; | ||
31 | |||
32 | struct pxa3xx_nand_flash { | ||
33 | char *name; | ||
34 | uint32_t chip_id; | ||
35 | unsigned int page_per_block; /* Pages per block (PG_PER_BLK) */ | ||
36 | unsigned int page_size; /* Page size in bytes (PAGE_SZ) */ | ||
37 | unsigned int flash_width; /* Width of Flash memory (DWIDTH_M) */ | ||
38 | unsigned int dfc_width; /* Width of flash controller(DWIDTH_C) */ | ||
39 | unsigned int num_blocks; /* Number of physical blocks in Flash */ | ||
40 | |||
41 | struct pxa3xx_nand_timing *timing; /* NAND Flash timing */ | ||
42 | }; | ||
43 | |||
44 | struct pxa3xx_nand_platform_data { | ||
45 | |||
46 | /* the data flash bus is shared between the Static Memory | ||
47 | * Controller and the Data Flash Controller, the arbiter | ||
48 | * controls the ownership of the bus | ||
49 | */ | ||
50 | int enable_arbiter; | ||
51 | |||
52 | /* allow platform code to keep OBM/bootloader defined NFC config */ | ||
53 | int keep_config; | ||
54 | |||
55 | const struct mtd_partition *parts; | ||
56 | unsigned int nr_parts; | ||
57 | |||
58 | const struct pxa3xx_nand_flash * flash; | ||
59 | size_t num_flash; | ||
60 | }; | ||
61 | |||
62 | extern void pxa3xx_set_nand_info(struct pxa3xx_nand_platform_data *info); | ||
63 | #endif /* __ASM_ARCH_PXA3XX_NAND_H */ | ||