From patchwork Wed May 13 09:33:17 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Russell King \(Oracle\)" X-Patchwork-Id: 200674 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=-6.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED 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 5FB4ACA90AF for ; Wed, 13 May 2020 09:33:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 38DD020675 for ; Wed, 13 May 2020 09:33:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=armlinux.org.uk header.i=@armlinux.org.uk header.b="MTpofKCa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727812AbgEMJd3 (ORCPT ); Wed, 13 May 2020 05:33:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46698 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726922AbgEMJd3 (ORCPT ); Wed, 13 May 2020 05:33:29 -0400 Received: from pandora.armlinux.org.uk (pandora.armlinux.org.uk [IPv6:2001:4d48:ad52:3201:214:fdff:fe10:1be6]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 01EBEC061A0C; Wed, 13 May 2020 02:33:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=armlinux.org.uk; s=pandora-2019; h=Date:Sender:Message-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:Subject:Cc:To:From:Reply-To:Content-ID :Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To: Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=pAMSSTYNXNQC8UANMcnt7gQ29pn9OURWqic2mz9/ThI=; b=MTpofKCaFbw5JOOumgbrC6eO0+ zn6JGwG8zZqRKGcaebXU4J5NgeHrc1XqsWY0pXO0GCcgLQGOQss8M0AbdEOfuQ0tAMGyBfZTYYmJc Tg+JqDN3USmdLfUqkV7BTbZkDLusO3AaLwHt0nS28XQKQ8Dzfb/8MEeHFZkZ0hUynvGaUZqGA9o+r OExPa6XL7Ff27YCt1WM/v5YdFevuwmMCpFEb01Qt+ZskCnJj8Sen2tPOlwKTjDY3A4Ok4GTfk0UZN xFBawVttu3l0knpKerlJIyNPQvtTyfdj9ynaGFhWuFqDnSAk3XSEPMhpjKhcjKo/5+l/VNHYAjEMN 1h7FTACw==; Received: from e0022681537dd.dyn.armlinux.org.uk ([2001:4d48:ad52:3201:222:68ff:fe15:37dd]:37520 helo=rmk-PC.armlinux.org.uk) by pandora.armlinux.org.uk with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jYnlO-00042C-BM; Wed, 13 May 2020 10:33:18 +0100 Received: from rmk by rmk-PC.armlinux.org.uk with local (Exim 4.92) (envelope-from ) id 1jYnlN-0002O5-CM; Wed, 13 May 2020 10:33:17 +0100 From: Russell King To: linux-i2c@vger.kernel.org Cc: Andrew Lunn , devicetree@vger.kernel.org, Gregory Clement , Jason Cooper , linux-arm-kernel@lists.infradead.org, Rob Herring , Sebastian Hesselbarth , Vladimir Vid Subject: [PATCH] arm64: dts: add uDPU i2c bus recovery MIME-Version: 1.0 Content-Disposition: inline Message-Id: Date: Wed, 13 May 2020 10:33:17 +0100 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add support for bus recovery for the Armada 3720 based uDPU. Reviewed-by: Andrew Lunn Signed-off-by: Russell King --- .../boot/dts/marvell/armada-3720-uDPU.dts | 22 +++++++++++++++++-- 1 file changed, 20 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts index 7eb6c1796cef..95d46e8d081c 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts @@ -117,18 +117,36 @@ }; }; +&pinctrl_nb { + i2c1_recovery_pins: i2c1-recovery-pins { + groups = "i2c1"; + function = "gpio"; + }; + + i2c2_recovery_pins: i2c2-recovery-pins { + groups = "i2c2"; + function = "gpio"; + }; +}; + &i2c0 { status = "okay"; - pinctrl-names = "default"; + pinctrl-names = "default", "recovery"; pinctrl-0 = <&i2c1_pins>; + pinctrl-1 = <&i2c1_recovery_pins>; /delete-property/mrvl,i2c-fast-mode; + scl-gpios = <&gpionb 0 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpionb 1 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; }; &i2c1 { status = "okay"; - pinctrl-names = "default"; + pinctrl-names = "default", "recovery"; pinctrl-0 = <&i2c2_pins>; + pinctrl-1 = <&i2c2_recovery_pins>; /delete-property/mrvl,i2c-fast-mode; + scl-gpios = <&gpionb 2 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpionb 3 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; lm75@48 { status = "okay";