From patchwork Wed Oct 20 20:55:35 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexey Charkov X-Patchwork-Id: 269241 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 o9KKvhFP015533 for ; Wed, 20 Oct 2010 20:57:44 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755973Ab0JTU4Z (ORCPT ); Wed, 20 Oct 2010 16:56:25 -0400 Received: from mail-ey0-f174.google.com ([209.85.215.174]:57478 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755934Ab0JTU4W (ORCPT ); Wed, 20 Oct 2010 16:56:22 -0400 Received: by eyx24 with SMTP id 24so1413055eyx.19 for ; Wed, 20 Oct 2010 13:56:20 -0700 (PDT) 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=9au8nGsmjJJG3lBfmVeiCIdzHTTgVES27upSnclxN6c=; 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Wed, 20 Oct 2010 20:57:44 +0000 (UTC) diff --git a/drivers/input/serio/Kconfig b/drivers/input/serio/Kconfig index 3bfe8fa..2b86774 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..d30df82 --- /dev/null +++ b/drivers/input/serio/i8042-vt8500.h @@ -0,0 +1,71 @@ +#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 IRQ_PS2KBD +#define I8042_AUX_IRQ IRQ_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 = 1; + regbase = ioremap(VT8500_PS2_BASE, SZ_1K); + 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)