From patchwork Wed Feb 21 20:25:41 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alan Tull X-Patchwork-Id: 10233911 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 6271F602A7 for ; Wed, 21 Feb 2018 20:26:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 52EB0284C4 for ; Wed, 21 Feb 2018 20:26:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 47C84284C9; Wed, 21 Feb 2018 20:26:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id C5813284C4 for ; Wed, 21 Feb 2018 20:26:16 +0000 (UTC) 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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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=Kl2Bu+uIXtvNmmnyl9OexGXsYYsJrUSpH+CnZiC9AFs=; b=rqP 36HTa5h6I9erJBDDCCppJgguKW8RgqiUL38qbFqiU61PxMfyNeaQsC8Bs+8I+vo3WhQKkP5ivBC4X WZIrzK/zm6JjVjPDkFb4Xzjs5AdP38JDZp2Tr4/mzEQQ0rxMnhbJlP6q337jq0ZU69//lXplUHMZY wz9sKNpqawZXIAAzs51yEo1cDRY8S6BrG/7IL2mk4XO91EYSDwA5cH2BUnClYkQ4xZAwhR+awWnBj VhyD/uUr36ocv4enE5ubTY51YxEoObMHfqd7mBaARNHBFsFK4w4TAyUoL9BBCIAb7wkJvBsGedu/X iBph5uZQ0bw2p6JjPsp5g/OJz7rgfVQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1eoaxn-0004BV-It; Wed, 21 Feb 2018 20:26:03 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1eoaxj-00049q-6b for linux-arm-kernel@lists.infradead.org; Wed, 21 Feb 2018 20:26:00 +0000 Received: from localhost.localdomain (unknown [192.55.54.60]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9DF99214AB; Wed, 21 Feb 2018 20:25:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9DF99214AB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=atull@kernel.org From: Alan Tull To: Dinh Nguyen Subject: [PATCH] arm64: dts: stratix10: enable i2c, add i2c periperals Date: Wed, 21 Feb 2018 14:25:41 -0600 Message-Id: <20180221202541.3258-1-atull@kernel.org> X-Mailer: git-send-email 2.14.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180221_122559_276478_9D3073DC X-CRM114-Status: GOOD ( 14.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Alan Tull , Catalin Marinas , Will Deacon , linux-kernel@vger.kernel.org, Rob Herring , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Add clock for i2c Enable i2c1 Set the i2c bus speed to 100KHz Add the following i2c peripherals * ds1339 RTC * 24c32 EEPROM * max1619 temperature monitor * ltc2497 ADC * Add a fixed regulator for the ADC's Vref. This requires Dinh Nguyen's Stratix10 clock driver ("clk: socfpga: stratix10: add clock driver for Stratix10 platform") Signed-off-by: Alan Tull --- arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi | 5 ++++ .../boot/dts/altera/socfpga_stratix10_socdk.dts | 34 ++++++++++++++++++++++ 2 files changed, 39 insertions(+) diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi index 5a6a699..65d9256 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10.dtsi @@ -210,6 +210,7 @@ reg = <0xffc02800 0x100>; interrupts = <0 103 4>; resets = <&rst I2C0_RESET>; + clocks = <&clkmgr STRATIX10_L4_SP_CLK>; status = "disabled"; }; @@ -220,6 +221,7 @@ reg = <0xffc02900 0x100>; interrupts = <0 104 4>; resets = <&rst I2C1_RESET>; + clocks = <&clkmgr STRATIX10_L4_SP_CLK>; status = "disabled"; }; @@ -230,6 +232,7 @@ reg = <0xffc02a00 0x100>; interrupts = <0 105 4>; resets = <&rst I2C2_RESET>; + clocks = <&clkmgr STRATIX10_L4_SP_CLK>; status = "disabled"; }; @@ -240,6 +243,7 @@ reg = <0xffc02b00 0x100>; interrupts = <0 106 4>; resets = <&rst I2C3_RESET>; + clocks = <&clkmgr STRATIX10_L4_SP_CLK>; status = "disabled"; }; @@ -250,6 +254,7 @@ reg = <0xffc02c00 0x100>; interrupts = <0 107 4>; resets = <&rst I2C4_RESET>; + clocks = <&clkmgr STRATIX10_L4_SP_CLK>; status = "disabled"; }; diff --git a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts index b7f0b6b..cf3b519 100644 --- a/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts +++ b/arch/arm64/boot/dts/altera/socfpga_stratix10_socdk.dts @@ -51,6 +51,13 @@ reg = <0 0 0 0>; }; + ref_033v: 033-v-ref { + compatible = "regulator-fixed"; + regulator-name = "0.33V"; + regulator-min-microvolt = <330000>; + regulator-max-microvolt = <330000>; + }; + soc { clock-controller@ffd10000 { clocks { @@ -111,3 +118,30 @@ &usb0 { status = "okay"; }; + +&i2c1 { + status = "okay"; + clock-frequency = <100000>; + + adc@14 { + compatible = "lltc,ltc2497"; + reg = <0x14>; + vref-supply = <&ref_033v>; + }; + + temp@4c { + compatible = "maxim,max1619"; + reg = <0x4c>; + }; + + eeprom@51 { + compatible = "atmel,24c32"; + reg = <0x51>; + pagesize = <32>; + }; + + rtc@68 { + compatible = "dallas,ds1339"; + reg = <0x68>; + }; +};