Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756030AbbESNfX (ORCPT ); Tue, 19 May 2015 09:35:23 -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 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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1645 Lines: 61 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 --- 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 { -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/