From patchwork Mon Nov 17 17:43:03 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martinez Canillas X-Patchwork-Id: 5323031 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 1F090C11AC for ; Mon, 17 Nov 2014 17:46:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 57AA820127 for ; Mon, 17 Nov 2014 17:46:06 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8325320122 for ; Mon, 17 Nov 2014 17:46:05 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1XqQLg-00015B-53; Mon, 17 Nov 2014 17:44:24 +0000 Received: from bhuna.collabora.co.uk ([93.93.135.160]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1XqQLK-0000sC-3A for linux-arm-kernel@lists.infradead.org; Mon, 17 Nov 2014 17:44:02 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: javier) with ESMTPSA id 953E560081D From: Javier Martinez Canillas To: Kukjin Kim Subject: [PATCH 2/3] ARM: dts: Add spidev registration to exynos5250-snow Date: Mon, 17 Nov 2014 18:43:03 +0100 Message-Id: <1416246184-29071-3-git-send-email-javier.martinez@collabora.co.uk> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1416246184-29071-1-git-send-email-javier.martinez@collabora.co.uk> References: <1416246184-29071-1-git-send-email-javier.martinez@collabora.co.uk> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20141117_094402_325991_158E45DF X-CRM114-Status: UNSURE ( 9.08 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: linux-samsung-soc@vger.kernel.org, Simon Glass , Doug Anderson , linux-kernel@vger.kernel.org, Olof Johansson , Javier Martinez Canillas , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_LOW, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Doug Anderson Exynos5250 Snow machine has a SPI flash memory that is used to store firmware data and different system parameters. Add a spidev node so the flash chip can be accessed by user-space tools. Signed-off-by: Doug Anderson Reviewed-by: Olof Johansson [javier.martinez: Extend commit message] Signed-off-by: Javier Martinez Canillas --- arch/arm/boot/dts/exynos5250-snow.dts | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/arm/boot/dts/exynos5250-snow.dts b/arch/arm/boot/dts/exynos5250-snow.dts index f9bc04b..bb0e04e 100644 --- a/arch/arm/boot/dts/exynos5250-snow.dts +++ b/arch/arm/boot/dts/exynos5250-snow.dts @@ -554,6 +554,13 @@ samsung,pin-drv = <0>; }; + spi_cs: spi-cs { + samsung,pins = "gpa2-5"; + samsung,pin-function = <1>; + samsung,pin-pud = <0>; + samsung,pin-drv = <3>; + }; + tps65090_irq: tps65090-irq { samsung,pins = "gpx2-6"; samsung,pin-function = <0>; @@ -622,6 +629,19 @@ status = "okay"; samsung,spi-src-clk = <0>; num-cs = <1>; + cs-gpios = <&gpa2 5 0>; + + spidev@0 { + compatible = "spidev"; + reg = <0>; + spi-max-frequency = <10000000>; + pinctrl-names = "default"; + pinctrl-0 = <&spi_cs>; + + controller-data { + samsung,spi-feedback-delay = <2>; + }; + }; }; &usbdrd_phy {