From patchwork Thu Jan 21 03:41:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lubomir Rintel X-Patchwork-Id: 12034369 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99B7CC433E9 for ; Thu, 21 Jan 2021 03:41:43 +0000 (UTC) Received: by mail.kernel.org (Postfix) id 63362238E7; Thu, 21 Jan 2021 03:41:43 +0000 (UTC) Received: from shell.v3.sk (mail.v3.sk [167.172.186.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id DDF91238E2; Thu, 21 Jan 2021 03:41:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DDF91238E2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=v3.sk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lkundrak@v3.sk Received: from localhost (localhost.localdomain [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id BE354E0AA6; Thu, 21 Jan 2021 03:37:45 +0000 (UTC) Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10032) with ESMTP id QeRj4b-AuJuy; Thu, 21 Jan 2021 03:37:45 +0000 (UTC) Received: from localhost (localhost.localdomain [127.0.0.1]) by zimbra.v3.sk (Postfix) with ESMTP id 7E511E0AAC; Thu, 21 Jan 2021 03:37:45 +0000 (UTC) X-Virus-Scanned: amavisd-new at zimbra.v3.sk Received: from shell.v3.sk ([127.0.0.1]) by localhost (zimbra.v3.sk [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id f7eoDp1UMAtZ; Thu, 21 Jan 2021 03:37:45 +0000 (UTC) Received: from localhost (unknown [109.183.109.54]) by zimbra.v3.sk (Postfix) with ESMTPSA id 46A02E0AA9; Thu, 21 Jan 2021 03:37:45 +0000 (UTC) From: Lubomir Rintel To: Arnd Bergmann , Olof Johansson List-Id: Cc: Rob Herring , SoC Team , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Lubomir Rintel Subject: [PATCH 11/12] ARM: dts: mmp3-dell-ariel: Replace SSP2 with spi-gpio Date: Thu, 21 Jan 2021 04:41:29 +0100 Message-Id: <20210121034130.1381872-12-lkundrak@v3.sk> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210121034130.1381872-1-lkundrak@v3.sk> References: <20210121034130.1381872-1-lkundrak@v3.sk> MIME-Version: 1.0 The firmware leaves the pins in GPIO mode. Until we have a proper pinmux driver hooked on we just need to bitbang SPI. No big deal, this is just used for the power button and performance is not important. Signed-off-by: Lubomir Rintel --- arch/arm/boot/dts/mmp3-dell-ariel.dts | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/mmp3-dell-ariel.dts b/arch/arm/boot/dts/mmp3-dell-ariel.dts index c4a6bd876d849..fe6df364a9eb6 100644 --- a/arch/arm/boot/dts/mmp3-dell-ariel.dts +++ b/arch/arm/boot/dts/mmp3-dell-ariel.dts @@ -30,6 +30,17 @@ memory@0 { reg = <0x0 0x80000000>; device_type = "memory"; }; + + ec_input_spi: spi { + compatible = "spi-gpio"; + #address-cells = <1>; + #size-cells = <0>; + + num-chipselects = <0>; + sck-gpios = <&gpio 55 GPIO_ACTIVE_HIGH>; + miso-gpios = <&gpio 57 GPIO_ACTIVE_HIGH>; + mosi-gpios = <&gpio 58 GPIO_ACTIVE_HIGH>; + }; }; &uart3 { @@ -118,7 +129,7 @@ firmware-flash@0 { }; }; -&ssp2 { +&ec_input_spi { status = "okay"; cs-gpios = <&gpio 56 GPIO_ACTIVE_LOW>;