From patchwork Fri May 28 11:51:39 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joonyoung Shim X-Patchwork-Id: 102872 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o4SBpgPB005119 for ; Fri, 28 May 2010 11:51:42 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755853Ab0E1Lvm (ORCPT ); Fri, 28 May 2010 07:51:42 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:63557 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754160Ab0E1Lvl (ORCPT ); Fri, 28 May 2010 07:51:41 -0400 Received: from epmmp2 (mailout3.samsung.com [203.254.224.33]) by mailout1.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTP id <0L3400HNUOY3OY@mailout1.samsung.com>; Fri, 28 May 2010 20:51:39 +0900 (KST) Received: from TNRNDGASPAPP1.tn.corp.samsungelectronics.net ([165.213.149.150]) by mmp2.samsung.com (iPlanet Messaging Server 5.2 Patch 2 (built Jul 14 2004)) with ESMTPA id <0L3400DN6OY32R@mmp2.samsung.com>; Fri, 28 May 2010 20:51:39 +0900 (KST) Received: from [165.213.115.198] ([165.213.115.198]) by TNRNDGASPAPP1.tn.corp.samsungelectronics.net with Microsoft SMTPSVC(6.0.3790.4675); Fri, 28 May 2010 20:51:39 +0900 Date: Fri, 28 May 2010 20:51:39 +0900 From: Joonyoung Shim Subject: [PATCH 1/5] ARM: SAMSUNG: Add keypad device support To: ben-linux@fluff.org Cc: linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-input@vger.kernel.org, kyungmin.park@samsung.com Message-id: <4BFFAE4B.7010506@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=UTF-8 Content-transfer-encoding: 7BIT User-Agent: Thunderbird 2.0.0.21 (Windows/20090302) X-OriginalArrivalTime: 28 May 2010 11:51:39.0137 (UTC) FILETIME=[21D27F10:01CAFE5C] Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Fri, 28 May 2010 11:51:42 +0000 (UTC) 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 + +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 + * + * 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 +#include +#include +#include +#include +#include + +static struct resource samsung_kp_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_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 + * + * 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 + +#define SAMSUNG_MAX_ROWS 8 +#define SAMSUNG_MAX_COLS 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 + * + * 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) + +/* 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__ */