From patchwork Tue May 19 13:34:13 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martinez Canillas X-Patchwork-Id: 6437991 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4ADA4C0432 for ; Tue, 19 May 2015 13:52:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 151CF20453 for ; Tue, 19 May 2015 13:52:36 +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 760EB20425 for ; Tue, 19 May 2015 13:52:32 +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 1Yuhtk-0002tZ-F5; Tue, 19 May 2015 13:49:32 +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 1Yuhfw-0005s0-8J for linux-arm-kernel@lists.infradead.org; Tue, 19 May 2015 13:35:18 +0000 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: javier) with ESMTPSA id B6B9B601ABA From: Javier Martinez Canillas To: Mark Brown Subject: [RFC PATCH 3/4] ARM: dts: Add SPI flash node to exynos5250-snow Date: Tue, 19 May 2015 15:34:13 +0200 Message-Id: <1432042454-19234-4-git-send-email-javier.martinez@collabora.co.uk> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1432042454-19234-1-git-send-email-javier.martinez@collabora.co.uk> References: <1432042454-19234-1-git-send-email-javier.martinez@collabora.co.uk> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150519_063516_651674_779105B2 X-CRM114-Status: UNSURE ( 8.86 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, Doug Anderson , linux-kernel@vger.kernel.org, Kukjin Kim , Olof Johansson , David Hendricks , 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=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 and different system parameters and data. Add information about the SPI flash chip so that user-space tools can access it. Signed-off-by: Doug Anderson Reviewed-by: Olof Johansson Signed-off-by: Javier Martinez Canillas Acked-by: Krzysztof Kozlowski --- 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 1eca97ee4bd6..e9a2dbe2e0b9 100644 --- a/arch/arm/boot/dts/exynos5250-snow.dts +++ b/arch/arm/boot/dts/exynos5250-snow.dts @@ -615,6 +615,13 @@ 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>; @@ -690,6 +697,19 @@ status = "okay"; samsung,spi-src-clk = <0>; num-cs = <1>; + cs-gpios = <&gpa2 5 0>; + + spidev@0 { + compatible = "google,spi-flash"; + reg = <0>; + spi-max-frequency = <10000000>; + pinctrl-names = "default"; + pinctrl-0 = <&spi_cs>; + + controller-data { + samsung,spi-feedback-delay = <2>; + }; + }; }; &usbdrd_dwc3 {