[PATCH v2 1/5] ARM: SAMSUNG: Add keypad device support
Kukjin Kim
kgene.kim at samsung.com
Sun May 30 20:06:48 EDT 2010
Joonyoung Shim wrote:
>
> This patch adds samsung keypad device definition for samsung cpus.
>
> Signed-off-by: Joonyoung Shim <jy0922.shim at samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park at samsung.com>
> ---
> arch/arm/plat-samsung/Kconfig | 7 ++-
> arch/arm/plat-samsung/Makefile | 1 +
> arch/arm/plat-samsung/dev-keypad.c | 50
> +++++++++++++++++++
> arch/arm/plat-samsung/include/plat/devs.h | 2 +
> arch/arm/plat-samsung/include/plat/keypad.h | 57
> ++++++++++++++++++++++
> arch/arm/plat-samsung/include/plat/regs-keypad.h | 49
+++++++++++++++++++
> 6 files changed, 165 insertions(+), 1 deletions(-)
> create mode 100644 arch/arm/plat-samsung/dev-keypad.c
> create mode 100644 arch/arm/plat-samsung/include/plat/keypad.h
> create mode 100644 arch/arm/plat-samsung/include/plat/regs-keypad.h
>
> diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
> index 2753fb3..3ef2df7 100644
> --- a/arch/arm/plat-samsung/Kconfig
> +++ b/arch/arm/plat-samsung/Kconfig
> @@ -225,7 +225,12 @@ config S3C64XX_DEV_SPI
> config SAMSUNG_DEV_TS
> bool
> help
> - Common in platform device definitions for touchscreen device
> + Common in platform device definitions for touchscreen device
> +
Above changing is not for keypad.
> +config SAMSUNG_DEV_KEYPAD
> + bool
> + help
> + Compile in platform device definitions for keypad
>
> # DMA
>
> diff --git a/arch/arm/plat-samsung/Makefile
b/arch/arm/plat-samsung/Makefile
> index 228c2ad..ef00c47 100644
> --- a/arch/arm/plat-samsung/Makefile
> +++ b/arch/arm/plat-samsung/Makefile
> @@ -50,6 +50,7 @@ obj-$(CONFIG_S3C_DEV_RTC) += dev-rtc.o
>
> obj-$(CONFIG_SAMSUNG_DEV_ADC) += dev-adc.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 0000000..70e2e2d
> --- /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 at 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_kp_resources[] = {
How about samsung_keypad_resources easily to reading?
> + [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_kp_resources),
> + .resource = samsung_kp_resources,
> +};
> +
> +void __init samsung_kp_set_platdata(struct samsung_kp_platdata *pd)
> +{
> + struct samsung_kp_platdata *npd;
> +
> + npd = s3c_set_platdata(pd, sizeof(struct samsung_kp_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 6760999..c06386b 100644
> --- a/arch/arm/plat-samsung/include/plat/devs.h
> +++ b/arch/arm/plat-samsung/include/plat/devs.h
> @@ -100,6 +100,8 @@ 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
> new file mode 100644
> index 0000000..d144f42
> --- /dev/null
> +++ b/arch/arm/plat-samsung/include/plat/keypad.h
> @@ -0,0 +1,57 @@
> +/*
> + * linux/arch/arm/plat-samsung/include/plat/keypad.h
> + *
> + * Copyright (C) 2010 Samsung Electronics Co.Ltd
> + * Author: Joonyoung Shim <jy0922.shim at samsung.com>
> + *
> + * Samsung Platform - Keypad platform data definitions
> + *
> + * 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.
> + *
> + */
> +
> +#ifndef __PLAT_SAMSUNG_KEYPAD_H
> +#define __PLAT_SAMSUNG_KEYPAD_H
> +
> +#include <linux/input/matrix_keypad.h>
> +
> +#define SAMSUNG_MAX_ROWS 8
> +#define SAMSUNG_MAX_COLS 8
Is the MAX really 8?
S5PV210 & S5PC110 has 2 slots supporting 14 rows * 8 columns and 8 rows * 8
columns.
So just SAMSUNG_KEYPAD_ROWS is 8.
> +
> +/**
> + * struct samsung_kp_platdata() - Platform device data for Samsung Keypad
> + * @keymap_data: pointer to &matrix_keymap_data
> + * @rows: number of keypad row supported.
> + * @cols: number of keypad col supported.
> + * @rep: flag for repeat setting.
> + * @cfg_gpio: configure the GPIO.
> + *
> + * Initialisation data specific to either the machine or the platform
> + * for the device driver to use or call-back when configuring gpio.
> + */
> +struct samsung_kp_platdata {
> + const struct matrix_keymap_data *keymap_data;
> + unsigned int rows;
> + unsigned int cols;
> + unsigned int rep;
> +
> + void (*cfg_gpio)(unsigned int rows, unsigned int cols);
> +};
> +
> +/**
> + * samsung_kp_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_kp_set_platdata(struct samsung_kp_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 */
> diff --git a/arch/arm/plat-samsung/include/plat/regs-keypad.h
b/arch/arm/plat-
> samsung/include/plat/regs-keypad.h
> new file mode 100644
> index 0000000..1a8c046
> --- /dev/null
> +++ b/arch/arm/plat-samsung/include/plat/regs-keypad.h
> @@ -0,0 +1,49 @@
> +/*
> + * linux/arch/arm/plat-samsung/include/plat/regs-keypad.h
> + *
> + * Copyright (C) 2010 Samsung Electronics Co.Ltd
> + * Author: Joonyoung Shim <jy0922.shim at 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.
> + *
> + */
> +
> +#ifndef __SAMSUNG_KEYPAD_H__
> +#define __SAMSUNG_KEYPAD_H__
> +
> +#define SAMSUNG_KEYIFCON 0x00
> +#define SAMSUNG_KEYIFSTSCLR 0x04
> +#define SAMSUNG_KEYIFCOL 0x08
> +#define SAMSUNG_KEYIFROW 0x0c
> +#define SAMSUNG_KEYIFFC 0x10
> +
> +/* SAMSUNG_KEYIFCON */
> +#define SAMSUNG_INT_F_EN (1 << 0)
> +#define SAMSUNG_INT_R_EN (1 << 1)
> +#define SAMSUNG_DF_EN (1 << 2)
> +#define SAMSUNG_FC_EN (1 << 3)
> +#define SAMSUNG_WAKEUPEN (1 << 4)
Needs KEYIF in the definition name for avoid confusing.
> +
> +/* SAMSUNG_KEYIFSTSCLR */
> +#define SAMSUNG_P_INT_MASK (0xff << 0)
> +#define SAMSUNG_R_INT_MASK (0xff << 8)
> +#define SAMSUNG_R_INT_OFFSET 8
> +#define S5PV210_P_INT_MASK (0x3fff << 0)
> +#define S5PV210_R_INT_MASK (0x3fff << 16)
> +#define S5PV210_R_INT_OFFSET 16
> +
> +/* SAMSUNG_KEYIFCOL */
> +#define SAMSUNG_KEYIFCOL_MASK (0xff << 0)
> +#define S5PV210_KEYIFCOLEN_MASK (0xff << 8)
> +
> +/* SAMSUNG_KEYIFROW */
> +#define SAMSUNG_KEYIFROW_MASK (0xff << 0)
> +#define S5PV210_KEYIFROW_MASK (0x3fff << 0)
> +
> +/* SAMSUNG_KEYIFFC */
> +#define SAMSUNG_KEYIFFC_MASK (0x3ff << 0)
> +
> +#endif /* __SAMSUNG_KEYPAD_H__ */
> --
> 1.7.0.4
Thanks.
Best regards,
Kgene.
--
Kukjin Kim <kgene.kim at samsung.com>, Senior Engineer,
SW Solution Development Team, Samsung Electronics Co., Ltd.
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