From patchwork Thu Jan 9 03:17:56 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jian Hu X-Patchwork-Id: 11325047 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 700161398 for ; Thu, 9 Jan 2020 03:18:11 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 4DA902067D for ; Thu, 9 Jan 2020 03:18:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="UyVfJ0uO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4DA902067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=amlogic.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject: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-Owner; bh=wo2thk/32+5lxeDJC+MxWhYTNDDjkGxh7MCk6lGimcs=; b=UyVfJ0uOEYOrhi sjFkrHSnx/w0ex0bG/dVZc1S7stwdpsgnCDk+7a9rNxFkWcL46rSYsQWV8h85PqFbwvW0CaXkv35i DwkYYXMgpS25/wE/o28qb5oJRukaxWOudwHuBpqkagVtcIH/7MLLWDnCEnjIaKr95+znPnAUnKSVU 2ee1B1g+0KK9AUbOYV31AnswMgsu9KWVNY9YbBc8QZ6Ev8cXj3Ro2DCq2pZwTdZmME4Ima1/8OTrT Sl3X/Eq/wEE2v8kl7gO+8fsIG1Eh1eM9TGtGWOjoOLtxoxb2nBga+9GVvZCccJuf2TtvsYLoTXwyf LMmPvjv4Rv7I4Oabb7Xg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ipOKo-000479-Qw; Thu, 09 Jan 2020 03:18:10 +0000 Received: from mail-sz.amlogic.com ([211.162.65.117]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1ipOKf-0003mO-73; Thu, 09 Jan 2020 03:18:09 +0000 Received: from droid15-sz.amlogic.com (10.28.8.25) by mail-sz.amlogic.com (10.28.11.5) with Microsoft SMTP Server id 15.1.1591.10; Thu, 9 Jan 2020 11:18:24 +0800 From: Jian Hu To: Jerome Brunet , Neil Armstrong Subject: [PATCH v4] arm64: dts: meson-a1: add I2C nodes Date: Thu, 9 Jan 2020 11:17:56 +0800 Message-ID: <20200109031756.176547-1-jian.hu@amlogic.com> X-Mailer: git-send-email 2.24.0 MIME-Version: 1.0 X-Originating-IP: [10.28.8.25] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200108_191801_275910_2132B06F X-CRM114-Status: UNSURE ( 8.35 ) X-CRM114-Notice: Please train this message. X-Spam-Score: 0.0 (/) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (0.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Rob Herring , Jianxin Pan , Wolfram Sang , Martin Blumenstingl , Kevin Hilman , Michael Turquette , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Jian Hu , linux-i2c@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+patchwork-linux-amlogic=patchwork.kernel.org@lists.infradead.org There are four I2C controllers in A1 series, Share the same comptible with AXG. Compared to AXG, Drive strength feature is newly added in A1. Signed-off-by: Jian Hu --- This patch depends on A1 clock patchset at [0][3] Changes since v3 at [4]: -put the i2c pins under periphs_pinctrl -replace bias-pull-up as bias-disable -add missing space in i2c pins node Changes since v2 at [2]: -remove the dependence the commit description -remove i2c alias in dtsi -reorder the i2c nodes -reorder the i2c pins Changes since v1 at [1]: -change reg length to 0x20 -assign i2c bus alias in dts file -add new feature note compared to AXG in changelog [0] https://lkml.kernel.org/r/20191206074052.15557-1-jian.hu@amlogic.com [1] https://lkml.kernel.org/r/20191202111253.94872-1-jian.hu@amlogic.com [2] https://lkml.kernel.org/r/20191211032802.83309-1-jian.hu@amlogic.com [3] https://lkml.kernel.org/r/20191206074052.15557-1-jian.hu@amlogic.com [4] https://lkml.kernel.org/r/20191220091611.36319-1-jian.hu@amlogic.com --- arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 140 ++++++++++++++++++++++ 1 file changed, 140 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi index eab2ecd36aa8..009c8c496b58 100644 --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi @@ -115,6 +115,116 @@ #gpio-cells = <2>; gpio-ranges = <&periphs_pinctrl 0 0 62>; }; + + i2c0_f9_pins: i2c0-f9 { + mux { + groups = "i2c0_sck_f9", + "i2c0_sda_f10"; + function = "i2c0"; + bias-disable; + drive-strength-microamp = <3000>; + }; + }; + + i2c0_f11_pins: i2c0-f11 { + mux { + groups = "i2c0_sck_f11", + "i2c0_sda_f12"; + function = "i2c0"; + bias-disable; + drive-strength-microamp = <3000>; + }; + }; + + i2c1_a_pins: i2c1-a { + mux { + groups = "i2c1_sck_a", + "i2c1_sda_a"; + function = "i2c1"; + bias-disable; + drive-strength-microamp = <3000>; + }; + }; + + i2c1_x_pins: i2c1-x { + mux { + groups = "i2c1_sck_x", + "i2c1_sda_x"; + function = "i2c1"; + bias-disable; + drive-strength-microamp = <3000>; + }; + }; + + i2c2_a4_pins: i2c2-a4 { + mux { + groups = "i2c2_sck_a4", + "i2c2_sda_a5"; + function = "i2c2"; + bias-disable; + drive-strength-microamp = <3000>; + }; + }; + + i2c2_a8_pins: i2c2-a8 { + mux { + groups = "i2c2_sck_a8", + "i2c2_sda_a9"; + function = "i2c2"; + bias-disable; + drive-strength-microamp = <3000>; + }; + }; + + i2c2_x0_pins: i2c2-x0 { + mux { + groups = "i2c2_sck_x0", + "i2c2_sda_x1"; + function = "i2c2"; + bias-disable; + drive-strength-microamp = <3000>; + }; + }; + + i2c2_x15_pins: i2c2-x15 { + mux { + groups = "i2c2_sck_x15", + "i2c2_sda_x16"; + function = "i2c2"; + bias-disable; + drive-strength-microamp = <3000>; + }; + }; + + i2c3_f_pins: i2c3-f { + mux { + groups = "i2c3_sck_f", + "i2c3_sda_f"; + function = "i2c3"; + bias-disable; + drive-strength-microamp = <3000>; + }; + }; + + i2c3_x_pins: i2c3-x { + mux { + groups = "i2c3_sck_x", + "i2c3_sda_x"; + function = "i2c3"; + bias-disable; + drive-strength-microamp = <3000>; + }; + }; + }; + + i2c0: i2c@1400 { + compatible = "amlogic,meson-axg-i2c"; + reg = <0x0 0x1400 0x0 0x20>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&clkc_periphs CLKID_I2C_M_A>; + status = "disabled"; }; uart_AO: serial@1c00 { @@ -136,6 +246,36 @@ clock-names = "xtal", "pclk", "baud"; status = "disabled"; }; + + i2c1: i2c@5c00 { + compatible = "amlogic,meson-axg-i2c"; + reg = <0x0 0x5c00 0x0 0x20>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&clkc_periphs CLKID_I2C_M_B>; + status = "disabled"; + }; + + i2c2: i2c@6800 { + compatible = "amlogic,meson-axg-i2c"; + reg = <0x0 0x6800 0x0 0x20>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&clkc_periphs CLKID_I2C_M_C>; + status = "disabled"; + }; + + i2c3: i2c@6c00 { + compatible = "amlogic,meson-axg-i2c"; + reg = <0x0 0x6c00 0x0 0x20>; + interrupts = ; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&clkc_periphs CLKID_I2C_M_D>; + status = "disabled"; + }; }; gic: interrupt-controller@ff901000 {