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: 6437631 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id F213A9F1C1 for ; Tue, 19 May 2015 13:35:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 2CB2B20429 for ; Tue, 19 May 2015 13:35:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A1172041B for ; Tue, 19 May 2015 13:35:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755819AbbESNfV (ORCPT ); Tue, 19 May 2015 09:35:21 -0400 Received: from bhuna.collabora.co.uk ([93.93.135.160]:52922 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754010AbbESNey (ORCPT ); Tue, 19 May 2015 09:34:54 -0400 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 Cc: Kukjin Kim , Krzysztof Kozlowski , Olof Johansson , Doug Anderson , David Hendricks , linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Javier Martinez Canillas 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> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, 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 {