From patchwork Fri Mar 23 20:21:00 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Karthikeyan Ramasubramanian X-Patchwork-Id: 890217 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-i2c-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=codeaurora.org header.i=@codeaurora.org header.b="QUJXdsbZ"; dkim=pass (1024-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="PtqM0gKr"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 407FLQ0kfwz9s0m for ; Sat, 24 Mar 2018 07:21:34 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752097AbeCWUV2 (ORCPT ); Fri, 23 Mar 2018 16:21:28 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:44452 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752009AbeCWUV1 (ORCPT ); Fri, 23 Mar 2018 16:21:27 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 3B12960C66; Fri, 23 Mar 2018 20:21:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1521836486; bh=W0+EccRP91tqB+tVSHWCovWQjJTs1jLKHZQeY/9oDhc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QUJXdsbZJzhsGweef2BVcYqV5tCzLyw3pBj9/nyTM8BMhh73k75d/Sb7ty51dApso 1y8AuGacanZlFPeWUFUCoLXMCtx6HUoqqfAByMVsbECwFuDDdZFg4ttuNu65xtTldw fFebQUrYqv43MYDQ2jTfn0kaTNCpYk80G6+OACnM= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_SIGNED, T_DKIM_INVALID autolearn=no autolearn_force=no version=3.4.0 Received: from codeaurora.org (i-global254.qualcomm.com [199.106.103.254]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: kramasub@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id A200E607B9; Fri, 23 Mar 2018 20:21:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1521836483; bh=W0+EccRP91tqB+tVSHWCovWQjJTs1jLKHZQeY/9oDhc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PtqM0gKrrzuozXhEx5EvHVpKJAEdBYJJ63CubKU292uiBo8NmXzVCgUhKSSf+WciD dxaWa4ZCe+4kAJGln6A0r5GCGTh6COoeOsh35TsxvsPJ47ZiWRkPL3wK6U0VKKGtpT 8EL5nYHxmqxZPwTCr9B1ANaJM8kIitzhH8iCjPPk= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org A200E607B9 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=kramasub@codeaurora.org From: Karthikeyan Ramasubramanian To: corbet@lwn.net, andy.gross@linaro.org, david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, wsa@the-dreams.de Cc: Rajendra Nayak , linux-doc@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, evgreen@chromium.org, acourbot@chromium.org, swboyd@chromium.org, dianders@chromium.org, Karthikeyan Ramasubramanian Subject: [PATCH v5 4/5] arm64: dts: sdm845: Add serial console support Date: Fri, 23 Mar 2018 14:21:00 -0600 Message-Id: <1521836461-6515-5-git-send-email-kramasub@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1521836461-6515-1-git-send-email-kramasub@codeaurora.org> References: <1521836461-6515-1-git-send-email-kramasub@codeaurora.org> Sender: linux-i2c-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org From: Rajendra Nayak Add the qup uart node and geni se instance needed to support the serial console on the MTP. Signed-off-by: Rajendra Nayak Signed-off-by: Karthikeyan Ramasubramanian --- arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 41 +++++++++++++++++++++++++++++++++ arch/arm64/boot/dts/qcom/sdm845.dtsi | 39 +++++++++++++++++++++++++++++++ 2 files changed, 80 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts index 979ab49..17b2fb0 100644 --- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts +++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts @@ -12,4 +12,45 @@ / { model = "Qualcomm Technologies, Inc. SDM845 MTP"; compatible = "qcom,sdm845-mtp"; + + aliases { + serial0 = &uart2; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; +}; + +&soc { + geniqup@ac0000 { + status = "okay"; + + serial@a84000 { + status = "okay"; + }; + }; + + pinctrl@3400000 { + qup-uart2-default { + pinconf_tx { + pins = "gpio4"; + drive-strength = <2>; + bias-disable; + }; + + pinconf_rx { + pins = "gpio5"; + drive-strength = <2>; + bias-pull-up; + }; + }; + + qup-uart2-sleep { + pinconf { + pins = "gpio4", "gpio5"; + bias-pull-down; + }; + }; + }; }; diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi index 32f8561..71801b9 100644 --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi @@ -6,6 +6,7 @@ */ #include +#include / { interrupt-parent = <&intc>; @@ -194,6 +195,20 @@ #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; + + qup_uart2_default: qup-uart2-default { + pinmux { + function = "qup9"; + pins = "gpio4", "gpio5"; + }; + }; + + qup_uart2_sleep: qup-uart2-sleep { + pinmux { + function = "gpio"; + pins = "gpio4", "gpio5"; + }; + }; }; timer@17c90000 { @@ -272,5 +287,29 @@ #interrupt-cells = <4>; cell-index = <0>; }; + + geniqup@ac0000 { + compatible = "qcom,geni-se-qup"; + reg = <0xac0000 0x6000>; + clock-names = "m-ahb", "s-ahb"; + clocks = <&gcc GCC_QUPV3_WRAP_1_M_AHB_CLK>, + <&gcc GCC_QUPV3_WRAP_1_S_AHB_CLK>; + #address-cells = <1>; + #size-cells = <1>; + ranges; + status = "disabled"; + + uart2: serial@a84000 { + compatible = "qcom,geni-debug-uart"; + reg = <0xa84000 0x4000>; + clock-names = "se"; + clocks = <&gcc GCC_QUPV3_WRAP1_S1_CLK>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&qup_uart2_default>; + pinctrl-1 = <&qup_uart2_sleep>; + interrupts = ; + status = "disabled"; + }; + }; }; };