Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965897AbcCQPd5 (ORCPT ); Thu, 17 Mar 2016 11:33:57 -0400 Received: from eusmtp01.atmel.com ([212.144.249.242]:48390 "EHLO eusmtp01.atmel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751415AbcCQPdz (ORCPT ); Thu, 17 Mar 2016 11:33:55 -0400 From: Ludovic Desroches To: , CC: , , , , , , Ludovic Desroches Subject: [PATCH] ARM: at91/dt: sama5d2: add SFR node Date: Thu, 17 Mar 2016 16:34:22 +0100 Message-ID: <1458228862-25582-1-git-send-email-ludovic.desroches@atmel.com> X-Mailer: git-send-email 2.5.0 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2358 Lines: 69 From: Cyrille Pitchen This SFR node is looked up by the I2S controller driver to tune the SFR_I2SCLKSEL register. Signed-off-by: Cyrille Pitchen Signed-off-by: Ludovic Desroches --- Documentation/devicetree/bindings/arm/atmel-at91.txt | 2 +- arch/arm/boot/dts/sama5d2.dtsi | 5 +++++ include/linux/mfd/syscon/atmel-sfr.h | 18 ++++++++++++++++++ 3 files changed, 24 insertions(+), 1 deletion(-) create mode 100644 include/linux/mfd/syscon/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,-sfr", "syscon". - can be "sama5d3" or "sama5d4". + 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/linux/mfd/syscon/atmel-sfr.h b/include/linux/mfd/syscon/atmel-sfr.h new file mode 100644 index 0000000..2f9bb98 --- /dev/null +++ b/include/linux/mfd/syscon/atmel-sfr.h @@ -0,0 +1,18 @@ +/* + * Atmel SFR (Special Function Registers) register offsets and bit definitions. + * + * Copyright (C) 2016 Atmel + * + * Author: Ludovic Desroches + * + * 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