From: Alexandre Belloni <alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
To: Ludovic Desroches
<ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
Cc: nicolas.ferre-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org,
plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org,
cyrille.pitchen-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org
Subject: Re: [RESEND PATCH] ARM: at91/dt: sama5d2: add SFR node
Date: Thu, 17 Mar 2016 17:06:56 +0100 [thread overview]
Message-ID: <20160317160656.GA2831@piout.net> (raw)
In-Reply-To: <1458230640-26049-1-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
On 17/03/2016 at 17:04:00 +0100, Ludovic Desroches wrote :
> From: Cyrille Pitchen <cyrille.pitchen-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
>
> This SFR node is looked up by the I2S controller driver to tune the
> SFR_I2SCLKSEL register.
>
> Signed-off-by: Cyrille Pitchen <cyrille.pitchen-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
> Signed-off-by: Ludovic Desroches <ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
Acked-by: Alexandre Belloni <alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
> ---
> Documentation/devicetree/bindings/arm/atmel-at91.txt | 2 +-
> arch/arm/boot/dts/sama5d2.dtsi | 5 +++++
> include/soc/at91/atmel-sfr.h | 18 ++++++++++++++++++
> 3 files changed, 24 insertions(+), 1 deletion(-)
> create mode 100644 include/soc/at91/atmel-sfr.h
>
> diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt
> index 7fd64ec..550fd66 100644
> --- a/Documentation/devicetree/bindings/arm/atmel-at91.txt
> +++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt
> @@ -155,7 +155,7 @@ elsewhere.
>
> required properties:
> - compatible: Should be "atmel,<chip>-sfr", "syscon".
> - <chip> can be "sama5d3" or "sama5d4".
> + <chip> can be "sama5d3", "sama5d4" or "sama5d2".
> - reg: Should contain registers location and length
>
> sfr@f0038000 {
> diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
> index 78996bd..36bb29c 100644
> --- a/arch/arm/boot/dts/sama5d2.dtsi
> +++ b/arch/arm/boot/dts/sama5d2.dtsi
> @@ -973,6 +973,11 @@
> status = "disabled";
> };
>
> + sfr: sfr@f8030000 {
> + compatible = "atmel,sama5d2-sfr", "syscon";
> + reg = <0xf8030000 0x98>;
> + };
> +
> flx0: flexcom@f8034000 {
> compatible = "atmel,sama5d2-flexcom";
> reg = <0xf8034000 0x200>;
> diff --git a/include/soc/at91/atmel-sfr.h b/include/soc/at91/atmel-sfr.h
> new file mode 100644
> index 0000000..2f9bb98
> --- /dev/null
> +++ b/include/soc/at91/atmel-sfr.h
> @@ -0,0 +1,18 @@
> +/*
> + * Atmel SFR (Special Function Registers) register offsets and bit definitions.
> + *
> + * Copyright (C) 2016 Atmel
> + *
> + * Author: Ludovic Desroches <ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
> + *
> + * 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_SFR_H
> +#define _LINUX_MFD_SYSCON_ATMEL_SFR_H
> +
> +#define AT91_SFR_I2SCLKSEL 0x90 /* I2SC Register */
> +
> +#endif /* _LINUX_MFD_SYSCON_ATMEL_SFR_H */
> --
> 2.5.0
>
--
Alexandre Belloni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
--
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next prev parent reply other threads:[~2016-03-17 16:06 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-17 16:04 [RESEND PATCH] ARM: at91/dt: sama5d2: add SFR node Ludovic Desroches
[not found] ` <1458230640-26049-1-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
2016-03-17 16:06 ` Alexandre Belloni [this message]
2016-03-20 0:18 ` Rob Herring
2016-03-23 11:24 ` Nicolas Ferre
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