Le 17/03/2016 17:04, Ludovic Desroches a écrit :
> From: Cyrille Pitchen <cyrille.pitchen@xxxxxxxxx>
>
> This SFR node is looked up by the I2S controller driver to tune the
> SFR_I2SCLKSEL register.
>
> Signed-off-by: Cyrille Pitchen <cyrille.pitchen@xxxxxxxxx>
> Signed-off-by: Ludovic Desroches <ludovic.desroches@xxxxxxxxx>
Acked-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
I'll queue it in our upcoming at91-4.7-dt branch. Thanks!
Bye,
> ---
> 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@xxxxxxxxx>
> + *
> + * 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 */
>
--
Nicolas Ferre
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