From patchwork Mon Nov 17 17:43:02 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: 5323011 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 [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 8A3079F2ED for ; Mon, 17 Nov 2014 17:44:30 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id AA0BE20136 for ; Mon, 17 Nov 2014 17:44:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BD38D20122 for ; Mon, 17 Nov 2014 17:44:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751220AbaKQRnk (ORCPT ); Mon, 17 Nov 2014 12:43:40 -0500 Received: from bhuna.collabora.co.uk ([93.93.135.160]:57217 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751138AbaKQRnj (ORCPT ); Mon, 17 Nov 2014 12:43:39 -0500 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: javier) with ESMTPSA id ED35A600808 From: Javier Martinez Canillas To: Kukjin Kim Cc: Doug Anderson , Simon Glass , Olof Johansson , linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Javier Martinez Canillas Subject: [PATCH 1/3] ARM: dts: Add SPI flash node for Peach boards Date: Mon, 17 Nov 2014 18:43:02 +0100 Message-Id: <1416246184-29071-2-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> 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: Simon Glass Peach Pit and Pi machines have 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: Simon Glass Reviewed-by: Doug Anderson [javier.martinez: Extend commit message] Signed-off-by: Javier Martinez Canillas --- arch/arm/boot/dts/exynos5420-peach-pit.dts | 26 ++++++++++++++++++++++++++ arch/arm/boot/dts/exynos5800-peach-pi.dts | 26 ++++++++++++++++++++++++++ 2 files changed, 52 insertions(+) diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts b/arch/arm/boot/dts/exynos5420-peach-pit.dts index 9a050e1..e7c2a9f 100644 --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts @@ -703,6 +703,13 @@ samsung,pin-drv = <2>; }; + spi_flash_cs: spi-flash-cs { + samsung,pins = "gpa2-5"; + samsung,pin-function = <1>; + samsung,pin-pud = <0>; + samsung,pin-drv = <3>; + }; + usb300_vbus_en: usb300-vbus-en { samsung,pins = "gph0-0"; samsung,pin-function = <1>; @@ -732,6 +739,25 @@ clock-names = "rtc", "rtc_src"; }; +&spi_1 { + status = "okay"; + samsung,spi-src-clk = <0>; + num-cs = <1>; + cs-gpios = <&gpa2 5 0>; + + spidev@0 { + compatible = "spidev"; + reg = <0>; + spi-max-frequency = <50000000>; + pinctrl-names = "default"; + pinctrl-0 = <&spi_flash_cs>; + + controller-data { + samsung,spi-feedback-delay = <2>; + }; + }; +}; + &spi_2 { status = "okay"; num-cs = <1>; diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts index e8fdda8..7a0a2a6 100644 --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts @@ -691,6 +691,13 @@ samsung,pin-drv = <2>; }; + spi_flash_cs: spi-flash-cs { + samsung,pins = "gpa2-5"; + samsung,pin-function = <1>; + samsung,pin-pud = <0>; + samsung,pin-drv = <3>; + }; + usb300_vbus_en: usb300-vbus-en { samsung,pins = "gph0-0"; samsung,pin-function = <1>; @@ -720,6 +727,25 @@ clock-names = "rtc", "rtc_src"; }; +&spi_1 { + status = "okay"; + samsung,spi-src-clk = <0>; + num-cs = <1>; + cs-gpios = <&gpa2 5 0>; + + spidev@0 { + compatible = "spidev"; + reg = <0>; + spi-max-frequency = <50000000>; + pinctrl-names = "default"; + pinctrl-0 = <&spi_flash_cs>; + + controller-data { + samsung,spi-feedback-delay = <2>; + }; + }; +}; + &spi_2 { status = "okay"; num-cs = <1>;