diff options
Diffstat (limited to 'arch/arm/plat-samsung')
| -rw-r--r-- | arch/arm/plat-samsung/Kconfig | 5 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/dev-keypad.c | 50 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/devs.h | 2 | ||||
| -rw-r--r-- | arch/arm/plat-samsung/include/plat/keypad.h | 13 |
5 files changed, 71 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index 15ef1e4026c..4529dd6232b 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -237,6 +237,11 @@ config SAMSUNG_DEV_TS help Common in platform device definitions for touchscreen device +config SAMSUNG_DEV_KEYPAD + bool + help + Compile in platform device definitions for keypad + # DMA config S3C_DMA diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index 75b91b43db4..8594fe73b6d 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -52,6 +52,7 @@ obj-$(CONFIG_S3C_DEV_RTC) += dev-rtc.o obj-$(CONFIG_SAMSUNG_DEV_ADC) += dev-adc.o obj-$(CONFIG_SAMSUNG_DEV_IDE) += dev-ide.o obj-$(CONFIG_SAMSUNG_DEV_TS) += dev-ts.o +obj-$(CONFIG_SAMSUNG_DEV_KEYPAD) += dev-keypad.o # DMA support diff --git a/arch/arm/plat-samsung/dev-keypad.c b/arch/arm/plat-samsung/dev-keypad.c new file mode 100644 index 00000000000..677c2d731b6 --- /dev/null +++ b/arch/arm/plat-samsung/dev-keypad.c @@ -0,0 +1,50 @@ +/* + * linux/arch/arm/plat-samsung/dev-keypad.c + * + * Copyright (C) 2010 Samsung Electronics Co.Ltd + * Author: Joonyoung Shim <jy0922.shim@samsung.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ + +#include <linux/platform_device.h> +#include <mach/irqs.h> +#include <mach/map.h> +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/keypad.h> + +static struct resource samsung_keypad_resources[] = { + [0] = { + .start = SAMSUNG_PA_KEYPAD, + .end = SAMSUNG_PA_KEYPAD + 0x20 - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_KEYPAD, + .end = IRQ_KEYPAD, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device samsung_device_keypad = { + .name = "samsung-keypad", + .id = -1, + .num_resources = ARRAY_SIZE(samsung_keypad_resources), + .resource = samsung_keypad_resources, +}; + +void __init samsung_keypad_set_platdata(struct samsung_keypad_platdata *pd) +{ + struct samsung_keypad_platdata *npd; + + npd = s3c_set_platdata(pd, sizeof(struct samsung_keypad_platdata), + &samsung_device_keypad); + + if (!npd->cfg_gpio) + npd->cfg_gpio = samsung_keypad_cfg_gpio; +} diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h index 097d0e458ab..4c31d328669 100644 --- a/arch/arm/plat-samsung/include/plat/devs.h +++ b/arch/arm/plat-samsung/include/plat/devs.h @@ -102,6 +102,8 @@ extern struct platform_device s5pc100_device_iis0; extern struct platform_device s5pc100_device_iis1; extern struct platform_device s5pc100_device_iis2; +extern struct platform_device samsung_device_keypad; + /* s3c2440 specific devices */ #ifdef CONFIG_CPU_S3C2440 diff --git a/arch/arm/plat-samsung/include/plat/keypad.h b/arch/arm/plat-samsung/include/plat/keypad.h index 3a70c125fe5..b59a6483cd8 100644 --- a/arch/arm/plat-samsung/include/plat/keypad.h +++ b/arch/arm/plat-samsung/include/plat/keypad.h @@ -40,4 +40,17 @@ struct samsung_keypad_platdata { void (*cfg_gpio)(unsigned int rows, unsigned int cols); }; +/** + * samsung_keypad_set_platdata - Set platform data for Samsung Keypad device. + * @pd: Platform data to register to device. + * + * Register the given platform data for use with Samsung Keypad device. + * The call will copy the platform data, so the board definitions can + * make the structure itself __initdata. + */ +extern void samsung_keypad_set_platdata(struct samsung_keypad_platdata *pd); + +/* defined by architecture to configure gpio. */ +extern void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols); + #endif /* __PLAT_SAMSUNG_KEYPAD_H */ |