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author | Miguel Aguilar <miguel.aguilar@ridgerun.com> | 2009-10-13 13:57:07 -0600 |
---|---|---|
committer | Kevin Hilman <khilman@deeprootsystems.com> | 2009-11-25 10:21:32 -0800 |
commit | 990c09d5f5b2079e8bf3c6615c78fa5ed2b97147 (patch) | |
tree | 3f1bd62c06d7cdf354a6e0ea34325e8f60853c06 | |
parent | 1ce52121c415457e92c281aaec4b38a864278fa2 (diff) | |
download | op-kernel-dev-990c09d5f5b2079e8bf3c6615c78fa5ed2b97147.zip op-kernel-dev-990c09d5f5b2079e8bf3c6615c78fa5ed2b97147.tar.gz |
Davinci: DM365: Enable DaVinci Key Scan support for DM365 EVM
The general structures are defined at DM365 SoC file and the specific
platform data structure for the EVM is defined at board file.
Signed-off-by: Miguel Aguilar <miguel.aguilar@ridgerun.com>
-rw-r--r-- | arch/arm/mach-davinci/board-dm365-evm.c | 38 | ||||
-rw-r--r-- | arch/arm/mach-davinci/dm365.c | 32 | ||||
-rw-r--r-- | arch/arm/mach-davinci/include/mach/dm365.h | 5 | ||||
-rw-r--r-- | arch/arm/mach-davinci/include/mach/mux.h | 4 |
4 files changed, 76 insertions, 3 deletions
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index 3d7b5bb..19678dc 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -23,6 +23,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/mtd/nand.h> +#include <linux/input.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -34,6 +35,7 @@ #include <mach/serial.h> #include <mach/mmc.h> #include <mach/nand.h> +#include <mach/keyscan.h> static inline int have_imager(void) { @@ -190,6 +192,38 @@ static struct davinci_i2c_platform_data i2c_pdata = { .bus_delay = 0 /* usec */, }; +#ifdef CONFIG_KEYBOARD_DAVINCI +static unsigned short dm365evm_keymap[] = { + KEY_KP2, + KEY_LEFT, + KEY_EXIT, + KEY_DOWN, + KEY_ENTER, + KEY_UP, + KEY_KP1, + KEY_RIGHT, + KEY_MENU, + KEY_RECORD, + KEY_REWIND, + KEY_KPMINUS, + KEY_STOP, + KEY_FASTFORWARD, + KEY_KPPLUS, + KEY_PLAYPAUSE, + 0 +}; + +static struct davinci_ks_platform_data dm365evm_ks_data = { + .keymap = dm365evm_keymap, + .keymapsize = ARRAY_SIZE(dm365evm_keymap), + .rep = 1, + /* Scan period = strobe + interval */ + .strobe = 0x5, + .interval = 0x2, + .matrix_type = DAVINCI_KEYSCAN_MATRIX_4X4, +}; +#endif + static int cpld_mmc_get_cd(int module) { if (!cpld) @@ -476,6 +510,10 @@ static __init void dm365_evm_init(void) evm_init_cpld(); dm365_init_asp(&dm365_evm_snd_data); + +#ifdef CONFIG_KEYBOARD_DAVINCI + dm365_init_ks(&dm365evm_ks_data); +#endif } static __init void dm365_evm_irq_init(void) diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c index 0fbc2f2..c12bb005 100644 --- a/arch/arm/mach-davinci/dm365.c +++ b/arch/arm/mach-davinci/dm365.c @@ -31,6 +31,7 @@ #include <mach/serial.h> #include <mach/common.h> #include <mach/asp.h> +#include <mach/keyscan.h> #include "clock.h" #include "mux.h" @@ -530,7 +531,7 @@ MUX_CFG(DM365, EMAC_CRS, 3, 2, 1, 1, false) MUX_CFG(DM365, EMAC_MDIO, 3, 1, 1, 1, false) MUX_CFG(DM365, EMAC_MDCLK, 3, 0, 1, 1, false) -MUX_CFG(DM365, KEYPAD, 2, 0, 0x3f, 0x3f, false) +MUX_CFG(DM365, KEYSCAN, 2, 0, 0x3f, 0x3f, false) MUX_CFG(DM365, PWM0, 1, 0, 3, 2, false) MUX_CFG(DM365, PWM0_G23, 3, 26, 3, 3, false) @@ -849,6 +850,28 @@ static struct map_desc dm365_io_desc[] = { }, }; +static struct resource dm365_ks_resources[] = { + { + /* registers */ + .start = DM365_KEYSCAN_BASE, + .end = DM365_KEYSCAN_BASE + SZ_1K - 1, + .flags = IORESOURCE_MEM, + }, + { + /* interrupt */ + .start = IRQ_DM365_KEYINT, + .end = IRQ_DM365_KEYINT, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device dm365_ks_device = { + .name = "davinci_keyscan", + .id = 0, + .num_resources = ARRAY_SIZE(dm365_ks_resources), + .resource = dm365_ks_resources, +}; + /* Contents of JTAG ID register used to identify exact cpu type */ static struct davinci_id dm365_ids[] = { { @@ -948,6 +971,13 @@ void __init dm365_init_asp(struct snd_platform_data *pdata) platform_device_register(&dm365_asp_device); } +void __init dm365_init_ks(struct davinci_ks_platform_data *pdata) +{ + davinci_cfg_reg(DM365_KEYSCAN); + dm365_ks_device.dev.platform_data = pdata; + platform_device_register(&dm365_ks_device); +} + void __init dm365_init(void) { davinci_common_init(&davinci_soc_info_dm365); diff --git a/arch/arm/mach-davinci/include/mach/dm365.h b/arch/arm/mach-davinci/include/mach/dm365.h index 2291c0d..d8d988a 100644 --- a/arch/arm/mach-davinci/include/mach/dm365.h +++ b/arch/arm/mach-davinci/include/mach/dm365.h @@ -17,6 +17,7 @@ #include <mach/hardware.h> #include <mach/emac.h> #include <mach/asp.h> +#include <mach/keyscan.h> #define DM365_EMAC_BASE (0x01D07000) #define DM365_EMAC_CNTRL_OFFSET (0x0000) @@ -25,7 +26,11 @@ #define DM365_EMAC_MDIO_OFFSET (0x4000) #define DM365_EMAC_CNTRL_RAM_SIZE (0x2000) +/* Base of key scan register bank */ +#define DM365_KEYSCAN_BASE (0x01C69400) + void __init dm365_init(void); void __init dm365_init_asp(struct snd_platform_data *pdata); +void __init dm365_init_ks(struct davinci_ks_platform_data *pdata); #endif /* __ASM_ARCH_DM365_H */ diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h index 16b8a7f..d41ad16 100644 --- a/arch/arm/mach-davinci/include/mach/mux.h +++ b/arch/arm/mach-davinci/include/mach/mux.h @@ -237,8 +237,8 @@ enum davinci_dm365_index { DM365_EMAC_MDIO, DM365_EMAC_MDCLK, - /* Keypad */ - DM365_KEYPAD, + /* Key Scan */ + DM365_KEYSCAN, /* PWM */ DM365_PWM0, |