Date: Mon, 10 Nov 2014 09:57:28 +0000
From: Lee Jones <lee.jones@linaro.org>
To: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Samuel Ortiz <sameo@linux.intel.com>,
        Nicolas Ferre <nicolas.ferre@atmel.com>,
        Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
        Alexandre Belloni <alexandre.belloni@free-electrons.com>,
        Andrew Victor <linux@maxim.org.za>,
        Jean-Jacques Hiblot <jjhiblot@traphandler.com>,
        Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Ian Campbell <ijc+devicetree@hellion.org.uk>,
        Kumar Gala <galak@codeaurora.org>, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 03/11] mfd: syscon: Add atmel-smc registers definition
Message-ID: <20141110095728.GJ21424@x1>
References: <1415203287-21517-1-git-send-email-boris.brezillon@free-electrons.com>
 <1415203287-21517-4-git-send-email-boris.brezillon@free-electrons.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Disposition: inline
Content-Transfer-Encoding: 8bit
In-Reply-To: <1415203287-21517-4-git-send-email-boris.brezillon@free-electrons.com>
User-Agent: Mutt/1.5.21 (2010-09-15)
Sender: linux-kernel-owner@vger.kernel.org

On Wed, 05 Nov 2014, Boris Brezillon wrote:

> Atmel AT91 SoCs have a memory range reserved for SMC (Static Memory
> Controller) configuration.
> Expose those registers so that drivers can make use of the smc syscon
> declared in at91 DTs.
> 
> Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
> ---
>  include/linux/mfd/syscon/atmel-smc.h | 60 ++++++++++++++++++++++++++++++++++++
>  1 file changed, 60 insertions(+)
>  create mode 100644 include/linux/mfd/syscon/atmel-smc.h

Acked-by: Lee Jones <lee.jones@linaro.org>

Any idea who will take this set?

> diff --git a/include/linux/mfd/syscon/atmel-smc.h b/include/linux/mfd/syscon/atmel-smc.h
> new file mode 100644
> index 0000000..430f486
> --- /dev/null
> +++ b/include/linux/mfd/syscon/atmel-smc.h
> @@ -0,0 +1,60 @@
> +/*
> + * Atmel SMC (Static Memory Controller) register offsets and bit definitions.
> + *
> + * Copyright (C) 2014 Atmel
> + * Copyright (C) 2014 Free Electrons
> + *
> + * Author: Boris Brezillon <boris.brezillon@free-electrons.com>
> + *
> + * 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.
> + */
> +
> +#ifndef _LINUX_MFD_SYSCON_ATMEL_SMC_H_
> +#define _LINUX_MFD_SYSCON_ATMEL_SMC_H_
> +
> +#include <linux/regmap.h>
> +
> +#define AT91SAM9_SMC_GENERIC_OFFSET	0x00
> +#define AT91SAM9_SMC_GENERIC_BLK_SZ	0x10
> +
> +#define SAMA5_SMC_GENERIC_OFFSET	0x600
> +#define SAMA5_SMC_GENERIC_BLK_SZ	0x14
> +
> +#define AT91SAM9_SMC_SETUP(o)		((o) + 0x00)
> +#define AT91SAM9_SMC_NWESETUP_SHFT	0
> +#define AT91SAM9_SMC_NCS_WRSETUP_SHFT	8
> +#define AT91SAM9_SMC_NRDSETUP_SHFT	16
> +#define AT91SAM9_SMC_NCS_NRDSETUP_SHFT	24
> +
> +#define AT91SAM9_SMC_PULSE(o)		((o) + 0x04)
> +
> +#define AT91SAM9_SMC_CYCLE(o)		((o) + 0x08)
> +
> +#define AT91SAM9_SMC_MODE(o)		((o) + 0x0c)
> +#define SAMA5_SMC_MODE(o)		((o) + 0x10)
> +#define AT91_SMC_READMODE		BIT(0)
> +#define AT91_SMC_WRITEMODE		BIT(1)
> +#define AT91_SMC_EXNWMODE		GENMASK(5, 4)
> +#define AT91_SMC_EXNWMODE_DISABLE	(0 << 4)
> +#define AT91_SMC_EXNWMODE_FROZEN	(2 << 4)
> +#define AT91_SMC_EXNWMODE_READY		(3 << 4)
> +#define AT91_SMC_BAT			BIT(8)
> +#define AT91_SMC_BAT_SELECT		(0 << 8)
> +#define AT91_SMC_BAT_WRITE		(1 << 8)
> +#define AT91_SMC_DBW			GENMASK(13, 12)
> +#define AT91_SMC_DBW_8			(0 << 12)
> +#define AT91_SMC_DBW_16			(1 << 12)
> +#define AT91_SMC_DBW_32			(2 << 12)
> +#define AT91_SMC_TDF			GENMASK(19, 16)
> +#define AT91_SMC_TDF_(x)		(((x) & 0xf) << 16)
> +#define AT91_SMC_TDFMODE		BIT(20)
> +#define AT91_SMC_PMEN			BIT(24)
> +#define AT91_SMC_PS			GENMASK(29, 28)
> +#define AT91_SMC_PS_4			(0 << 28)
> +#define AT91_SMC_PS_8			(1 << 28)
> +#define AT91_SMC_PS_16			(2 << 28)
> +#define AT91_SMC_PS_32			(3 << 28)
> +
> +#endif /* _LINUX_MFD_SYSCON_ATMEL_SMC_H_ */

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/