From patchwork Mon Mar 7 14:34:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andre Przywara X-Patchwork-Id: 12771942 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F244FC433F5 for ; Mon, 7 Mar 2022 14:34:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243270AbiCGOft (ORCPT ); Mon, 7 Mar 2022 09:35:49 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37048 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243265AbiCGOfs (ORCPT ); Mon, 7 Mar 2022 09:35:48 -0500 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 03B177D03D; Mon, 7 Mar 2022 06:34:54 -0800 (PST) Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id C9316113E; Mon, 7 Mar 2022 06:34:53 -0800 (PST) Received: from donnerap.arm.com (donnerap.cambridge.arm.com [10.1.196.172]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id CDC513F66F; Mon, 7 Mar 2022 06:34:51 -0800 (PST) From: Andre Przywara To: Maxime Ripard , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: Rob Herring , Mesih Kilinc , Icenowy Zheng , Jesse Taube , Giulio Benetti , George Hilliard , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, Mark Brown , linux-spi@vger.kernel.org Subject: [PATCH 12/14] ARM: dts: suniv: licheepi-nano: add SPI flash Date: Mon, 7 Mar 2022 14:34:19 +0000 Message-Id: <20220307143421.1106209-13-andre.przywara@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220307143421.1106209-1-andre.przywara@arm.com> References: <20220307143421.1106209-1-andre.przywara@arm.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Most LicheePi Nano boards come with soldered SPI flash, so enable SPI0 in the .dts and describe the flash chip. There is evidence of different flash chips used, also of boards with no flash chip soldered, but the Winbond 16MiB model is the most common, so use that for the compatible string. The actual flash chip model will be auto-detected at runtime anyway. Signed-off-by: Andre Przywara Acked-by: Samuel Holland --- arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts b/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts index 8fa79a1d1d2d..04e59b8381cb 100644 --- a/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts +++ b/arch/arm/boot/dts/suniv-f1c100s-licheepi-nano.dts @@ -13,6 +13,7 @@ / { aliases { mmc0 = &mmc0; serial0 = &uart0; + spi0 = &spi0; }; chosen { @@ -35,6 +36,20 @@ &mmc0 { vmmc-supply = <®_vcc3v3>; }; +&spi0 { + pinctrl-names = "default"; + pinctrl-0 = <&spi0_pc_pins>; + status = "okay"; + + flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "winbond,w25q128", "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <40000000>; + }; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pe_pins>;