From patchwork Sun Nov 7 16:28:54 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Charkov X-Patchwork-Id: 306982 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id oA7GVIDq030003 for ; Sun, 7 Nov 2010 16:31:18 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753674Ab0KGQbI (ORCPT ); Sun, 7 Nov 2010 11:31:08 -0500 Received: from mail-ew0-f46.google.com ([209.85.215.46]:49437 "EHLO mail-ew0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753631Ab0KGQbG (ORCPT ); Sun, 7 Nov 2010 11:31:06 -0500 Received: by ewy7 with SMTP id 7so2469039ewy.19 for ; Sun, 07 Nov 2010 08:31:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:cc:subject:date :message-id:x-mailer:in-reply-to:references; bh=WVPvJf5Fj26GusqElov0G3Q5rQnzUlFLmYh2IcTOOps=; 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Sun, 07 Nov 2010 16:31:18 +0000 (UTC) diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig index 6256233..ff799f3 100644 --- a/drivers/input/serio/Kconfig +++ b/drivers/input/serio/Kconfig @@ -21,7 +21,8 @@ if SERIO config SERIO_I8042 tristate "i8042 PC Keyboard controller" if EMBEDDED || !X86 default y - depends on !PARISC && (!ARM || ARCH_SHARK || FOOTBRIDGE_HOST) && \ + depends on !PARISC && \ + (!ARM || ARCH_SHARK || ARCH_VT8500 || FOOTBRIDGE_HOST) && \ (!SUPERH || SH_CAYMAN) && !M68K && !BLACKFIN help i8042 is the chip over which the standard AT keyboard and PS/2 diff --git a/drivers/input/serio/i8042-vt8500.h b/drivers/input/serio/i8042-vt8500.h new file mode 100644 index 0000000..4ff9e1c --- /dev/null +++ b/drivers/input/serio/i8042-vt8500.h @@ -0,0 +1,74 @@ +#ifndef _I8042_VT8500_H +#define _I8042_VT8500_H + +#include +#include + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + */ + +static void __iomem *regbase; + +/* + * Names. + */ + +#define I8042_KBD_PHYS_DESC "vt8500ps2/serio0" +#define I8042_AUX_PHYS_DESC "vt8500ps2/serio1" +#define I8042_MUX_PHYS_DESC "vt8500ps2/serio%d" + +/* + * IRQs. + */ + +#define I8042_KBD_IRQ (wmt_current_irqs->ps2kbd) +#define I8042_AUX_IRQ (wmt_current_irqs->ps2mouse) + + +/* + * Register numbers. + */ + +#define I8042_COMMAND_REG (regbase + 0x4) +#define I8042_STATUS_REG (regbase + 0x4) +#define I8042_DATA_REG (regbase + 0x0) + +static inline int i8042_read_data(void) +{ + return readl(I8042_DATA_REG); +} + +static inline int i8042_read_status(void) +{ + return readl(I8042_STATUS_REG); +} + +static inline void i8042_write_data(int val) +{ + writel(val, I8042_DATA_REG); +} + +static inline void i8042_write_command(int val) +{ + writel(val, I8042_COMMAND_REG); +} + +static inline int i8042_platform_init(void) +{ + i8042_reset = true; + regbase = ioremap(wmt_current_regs->ps2, SZ_1K); + if (!regbase) + return -ENODEV; + + return 0; +} + +static inline void i8042_platform_exit(void) +{ + iounmap(regbase); +} + +#endif /* _I8042_VT8500_H */ diff --git a/drivers/input/serio/i8042.h b/drivers/input/serio/i8042.h index cbc1beb..bdb2aeb 100644 --- a/drivers/input/serio/i8042.h +++ b/drivers/input/serio/i8042.h @@ -16,6 +16,8 @@ #if defined(CONFIG_MACH_JAZZ) #include "i8042-jazzio.h" +#elif defined(CONFIG_ARCH_VT8500) +#include "i8042-vt8500.h" #elif defined(CONFIG_SGI_HAS_I8042) #include "i8042-ip22io.h" #elif defined(CONFIG_SNI_RM)