From patchwork Tue Aug 9 17:20:16 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Amjad Ouled-Ameur X-Patchwork-Id: 597001 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 322DDC19F2D for ; Tue, 9 Aug 2022 17:21:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244996AbiHIRU7 (ORCPT ); Tue, 9 Aug 2022 13:20:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58482 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244980AbiHIRU6 (ORCPT ); Tue, 9 Aug 2022 13:20:58 -0400 Received: from mail-wr1-x433.google.com (mail-wr1-x433.google.com [IPv6:2a00:1450:4864:20::433]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8DA9B24093 for ; Tue, 9 Aug 2022 10:20:57 -0700 (PDT) Received: by mail-wr1-x433.google.com with SMTP id z12so15041557wrs.9 for ; Tue, 09 Aug 2022 10:20:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc; bh=y545aVrkkuDGPQff6D7mZBdsso6g+4hQEnF5Ijp4clg=; b=mwm18OvAvb3DN1qMcM6AJRveexnF9QeK2qJBPRDNYGf7ZskAiyyp7cqKO+165fN9Ny cnRcxxAYqIZnMVfhFK2yPzYW9JA9JBZT6ocT+r+5QfEA8ofsx/1r5jPDKCqMJv5T7cDh 0iXVd0XPxwIs1T4eBVIWlcS5pJ0rs0qizPcAQODhbdftpgVKKoHdJ2EvkmGNqXnVw+0D iyOGoPeNcS0PLvl6QA3MtERhJQSzgs+ILk8UFg2k30D+BH0Bt3IKZiY/Tof4etb7r6KQ jQ3V6EEtmFNaQXUD3SfXHZjC060HODxuj2msch63CZSE14EwVFCd8fzIegfKJ6D2gjh4 ppyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc; bh=y545aVrkkuDGPQff6D7mZBdsso6g+4hQEnF5Ijp4clg=; b=GD6ra3C201z8UIlnsb+FyDkM15RgK4S9/Ob3YoCU+jO/YkOvOQnauITnUo2Em8zCUZ tW5NfETxZ0h3M+NS3pji6PeUxC8KkaNdoTqJh3TmtxtaLAHoF/fZK2c3s0d8xFdxz0x4 nDxHyLKOlOLTVs1eHcjgvcnzvVEVN6rJ8jlBWxpbUDlZe6W1NKeRoHo05cTaYjXy/Lbj mC2nDcza+n8TkkFmk2O9AodTOayqtS/Bwo7CF7sbAsVT6TRJkOBc/93PBoLpiXmWTVvd O7VvYkUZP8fu+mWl/ohXMYTFc8gWHZ9H36MHpyJxaTcZVeas9YwzVJ50ttHWaklIkJj9 H0IQ== X-Gm-Message-State: ACgBeo24oeZ4RBwsTbCJ+N9bcGtg0DIciEtI+OxXUe0I//2EqtQf4hRj QbYRWfpdPNtQfMs7tgQuWDGCaA== X-Google-Smtp-Source: AA6agR7oIC+WFbM03wya4VinLOUGhi0StzJsyj9eBnMCq0cT6vT0Oq+1Eh1Yn9+7C+63+1UPZ0SEgg== X-Received: by 2002:a5d:63cb:0:b0:21e:b81d:8b0d with SMTP id c11-20020a5d63cb000000b0021eb81d8b0dmr14767021wrw.526.1660065656092; Tue, 09 Aug 2022 10:20:56 -0700 (PDT) Received: from localhost.localdomain (210.145.15.109.rev.sfr.net. [109.15.145.210]) by smtp.googlemail.com with ESMTPSA id b3-20020a05600010c300b002206261cb6esm13915030wrx.66.2022.08.09.10.20.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Aug 2022 10:20:55 -0700 (PDT) From: Amjad Ouled-Ameur To: broonie@kernel.org Cc: linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-spi@vger.kernel.org, narmstrong@baylibre.com, Amjad Ouled-Ameur , Da Xue Subject: [PATCH 1/2] spi: dt-bindings: amlogic, meson-gx-spicc: Add pinctrl names for SPI signal states Date: Tue, 9 Aug 2022 19:20:16 +0200 Message-Id: <20220809172017.215412-2-aouledameur@baylibre.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220809172017.215412-1-aouledameur@baylibre.com> References: <20220809172017.215412-1-aouledameur@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org SPI pins of the SPICC Controller in Meson-GX needs to be controlled by pin biais when idle. Therefore define three pinctrl names: - default: SPI pins are controlled by spi function. - idle-high: SCLK pin is pulled-up, but MOSI/MISO are still controlled by spi function. - idle-low: SCLK pin is pulled-down, but MOSI/MISO are still controlled by spi function. Reported-by: Da Xue Signed-off-by: Neil Armstrong Signed-off-by: Amjad Ouled-Ameur --- .../bindings/spi/amlogic,meson-gx-spicc.yaml | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml b/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml index 50de0da42c13..10707a8216f5 100644 --- a/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml +++ b/Documentation/devicetree/bindings/spi/amlogic,meson-gx-spicc.yaml @@ -43,6 +43,14 @@ properties: minItems: 1 maxItems: 2 + pinctrl-0: + minItems: 1 + + pinctrl-1: + maxItems: 1 + + pinctrl-names: true + if: properties: compatible: @@ -69,6 +77,13 @@ else: items: - const: core + pinctrl-names: + minItems: 1 + items: + - const: default + - const: idle-high + - const: idle-low + required: - compatible - reg