From patchwork Mon Nov 22 22:58:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Janne Grunau X-Patchwork-Id: 12693383 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 73A2CC433F5 for ; Mon, 22 Nov 2021 23:08:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=0Vb3AzaqoNnBIMlsikwY+7cL2luKR9NEosc4eOz3YYc=; b=Yk6rIRLoYG6mqo jL/InMGdJ8whz3g4zTjyNZElycEZsWr6CSWuWwSp4jRk4FZfCJGnrcJHASZMr72S+RU+5X8gAIhiz RhBrB01fnWAE2wFoljHe903bVngrAakq2gTJx4wLu+SjWUIGv8C0JVQAJSwuLzsFPbJn0KjtHJAX4 sQxhNXxhfIAPjFdp+s8dLTtXhbqtQecOY1SunEY+NrO0dYSSz2CXAAiKELpeEb8lA85+etIrm07yN V2XakkOBrYCWAcovMnBIcMwy8/FfPnaX1ePzYdpCPNykQlyVXFVxfko9skNis0FUkA9cPStnYEkql fp3PDo9jV1WDAIiQRxnw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mpIOB-000JEc-Ko; Mon, 22 Nov 2021 23:06:20 +0000 Received: from soltyk.jannau.net ([144.76.91.90]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mpIGK-000GnK-Rh for linux-arm-kernel@lists.infradead.org; Mon, 22 Nov 2021 22:58:14 +0000 Received: from coburn.home.jannau.net (p579ad520.dip0.t-ipconnect.de [87.154.213.32]) by soltyk.jannau.net (Postfix) with ESMTPSA id 5755A261B44; Mon, 22 Nov 2021 23:58:11 +0100 (CET) From: Janne Grunau To: Hector Martin , Sven Peter , Alyssa Rosenzweig , Rob Herring Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 3/4] arm64: dts: apple: t8103: Add i2c nodes Date: Mon, 22 Nov 2021 23:58:06 +0100 Message-Id: <20211122225807.8105-4-j@jannau.net> X-Mailer: git-send-email 2.34.0 In-Reply-To: <20211122225807.8105-1-j@jannau.net> References: <20211122225807.8105-1-j@jannau.net> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211122_145813_096641_AFF4EFD8 X-CRM114-Status: GOOD ( 10.43 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Apple M1 has at least 5 i2c controllers. i2c0, i2c1 and i2c3 are used on all M1 Mac devices. The 2020 Mac Mini uses i2c2 and the 13-inch MacBook Pro uses i2c2 and i2c4. Signed-off-by: Janne Grunau Acked-by: Hector Martin Reviewed-by: Sven Peter --- arch/arm64/boot/dts/apple/t8103-j274.dts | 4 ++ arch/arm64/boot/dts/apple/t8103-j293.dts | 8 +++ arch/arm64/boot/dts/apple/t8103.dtsi | 92 ++++++++++++++++++++++++ 3 files changed, 104 insertions(+) diff --git a/arch/arm64/boot/dts/apple/t8103-j274.dts b/arch/arm64/boot/dts/apple/t8103-j274.dts index 9e01ef70039d..2cd429efba5b 100644 --- a/arch/arm64/boot/dts/apple/t8103-j274.dts +++ b/arch/arm64/boot/dts/apple/t8103-j274.dts @@ -39,3 +39,7 @@ ethernet0: ethernet@0,0 { local-mac-address = [00 10 18 00 00 00]; }; }; + +&i2c2 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/apple/t8103-j293.dts b/arch/arm64/boot/dts/apple/t8103-j293.dts index 466035f00b69..49cdf4b560a3 100644 --- a/arch/arm64/boot/dts/apple/t8103-j293.dts +++ b/arch/arm64/boot/dts/apple/t8103-j293.dts @@ -31,3 +31,11 @@ &pcie0_dart_2 { /delete-node/ &port01; /delete-node/ &port02; + +&i2c2 { + status = "okay"; +}; + +&i2c4 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi index c320c8baeb41..15fec48f943a 100644 --- a/arch/arm64/boot/dts/apple/t8103.dtsi +++ b/arch/arm64/boot/dts/apple/t8103.dtsi @@ -126,6 +126,73 @@ serial0: serial@235200000 { status = "disabled"; }; + i2c0: i2c@235010000 { + compatible = "apple,t8103-i2c", "apple,i2c"; + reg = <0x2 0x35010000 0x0 0x4000>; + clocks = <&clk24>; + clock-names = "ref"; + interrupt-parent = <&aic>; + interrupts = ; + pinctrl-0 = <&i2c0_pins>; + pinctrl-names = "default"; + #address-cells = <0x1>; + #size-cells = <0x0>; + }; + + i2c1: i2c@235014000 { + compatible = "apple,t8103-i2c", "apple,i2c"; + reg = <0x2 0x35014000 0x0 0x4000>; + clocks = <&clk24>; + clock-names = "ref"; + interrupt-parent = <&aic>; + interrupts = ; + pinctrl-0 = <&i2c1_pins>; + pinctrl-names = "default"; + #address-cells = <0x1>; + #size-cells = <0x0>; + }; + + i2c2: i2c@235018000 { + compatible = "apple,t8103-i2c", "apple,i2c"; + reg = <0x2 0x35018000 0x0 0x4000>; + clocks = <&clk24>; + clock-names = "ref"; + interrupt-parent = <&aic>; + interrupts = ; + pinctrl-0 = <&i2c2_pins>; + pinctrl-names = "default"; + #address-cells = <0x1>; + #size-cells = <0x0>; + status = "disabled"; /* not used in all devices */ + }; + + i2c3: i2c@23501c000 { + compatible = "apple,t8103-i2c", "apple,i2c"; + reg = <0x2 0x3501c000 0x0 0x4000>; + clocks = <&clk24>; + clock-names = "ref"; + interrupt-parent = <&aic>; + interrupts = ; + pinctrl-0 = <&i2c3_pins>; + pinctrl-names = "default"; + #address-cells = <0x1>; + #size-cells = <0x0>; + }; + + i2c4: i2c@235020000 { + compatible = "apple,t8103-i2c", "apple,i2c"; + reg = <0x2 0x35020000 0x0 0x4000>; + clocks = <&clk24>; + clock-names = "ref"; + interrupt-parent = <&aic>; + interrupts = ; + pinctrl-0 = <&i2c4_pins>; + pinctrl-names = "default"; + #address-cells = <0x1>; + #size-cells = <0x0>; + status = "disabled"; /* only used in J293 */ + }; + aic: interrupt-controller@23b100000 { compatible = "apple,t8103-aic", "apple,aic"; #interrupt-cells = <3>; @@ -153,6 +220,31 @@ pinctrl_ap: pinctrl@23c100000 { , ; + i2c0_pins: i2c0-pins { + pinmux = , + ; + }; + + i2c1_pins: i2c1-pins { + pinmux = , + ; + }; + + i2c2_pins: i2c2-pins { + pinmux = , + ; + }; + + i2c3_pins: i2c3-pins { + pinmux = , + ; + }; + + i2c4_pins: i2c4-pins { + pinmux = , + ; + }; + pcie_pins: pcie-pins { pinmux = , ,