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Date: Thu, 17 Mar 2016 17:04:00 +0100 From: Ludovic Desroches <ludovic.desroches@...el.com> To: <nicolas.ferre@...el.com>, <alexandre.belloni@...e-electrons.com> CC: <plagnioj@...osoft.com>, <cyrille.pitchen@...el.com>, <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>, <boris.brezillon@...e-electrons.com>, Ludovic Desroches <ludovic.desroches@...el.com> Subject: [RESEND PATCH] ARM: at91/dt: sama5d2: add SFR node From: Cyrille Pitchen <cyrille.pitchen@...el.com> This SFR node is looked up by the I2S controller driver to tune the SFR_I2SCLKSEL register. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@...el.com> Signed-off-by: Ludovic Desroches <ludovic.desroches@...el.com> --- 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@...38000 { 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@...30000 { + compatible = "atmel,sama5d2-sfr", "syscon"; + reg = <0xf8030000 0x98>; + }; + flx0: flexcom@...34000 { 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@...el.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_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
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