From patchwork Sun Apr 2 13:33:01 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Icenowy Zheng X-Patchwork-Id: 9658453 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 9FFEC602BA for ; Sun, 2 Apr 2017 13:35:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 997BD283FB for ; Sun, 2 Apr 2017 13:35:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8DB4E2844C; Sun, 2 Apr 2017 13:35:08 +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=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2A827283FB for ; Sun, 2 Apr 2017 13:35:08 +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:References: In-Reply-To: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:List-Owner; bh=txro/lkPuukJhOMoNMl7ZZP2/pvLtA1vj8OWAsY9pls=; b=QqfYUGszgYwsZT3ejWieQahqno QH+3SGKnKxLL/4RsDnN5kYvhLWHnAm93W/e3K03FH9hWxIFaGXL+vmtmhzko7kQUp12+b532/xLf/ KYqq4pOyUAAIFws56r3e0YaE1Q93mhdWcVtyhCwqLZr4lmNZVv+mV+K61puUZv0hrZ0FJmRpun9XD IXhWqRkYPlaPUJsaUPoF/N+aHs+XaQAeXDLOreM+nJMlbtV1qg8vVMGDY3NRmTWnBVHC13kbkrRZp QQgOANwpH1syN9JnudhofD1YDgicc9cO/VCs9LHcNiGcd8+ll+ExrL+Ln/K+eAPrub4fJSjrU6KW3 aNLba6IQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux)) id 1cufet-0002rA-IG; Sun, 02 Apr 2017 13:35:07 +0000 Received: from camel.maple.relay.mailchannels.net ([23.83.214.29]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1cufej-0002Lt-Qy for linux-arm-kernel@lists.infradead.org; Sun, 02 Apr 2017 13:35:04 +0000 X-Sender-Id: lmn-tzduiowcrqmw|x-authsender|icenowy@aosc.io Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id 814077C2A6C; Sun, 2 Apr 2017 13:34:36 +0000 (UTC) Received: from hermes.aosc.io (unknown [100.96.129.119]) by relay.mailchannels.net (Postfix) with ESMTPA id 97D437C2F7E; Sun, 2 Apr 2017 13:34:35 +0000 (UTC) X-Sender-Id: lmn-tzduiowcrqmw|x-authsender|icenowy@aosc.io Received: from hermes.aosc.io (hermes.aosc.io [172.20.88.133]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384) by 0.0.0.0:2500 (trex/5.7.37); Sun, 02 Apr 2017 13:34:36 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: lmn-tzduiowcrqmw|x-authsender|icenowy@aosc.io X-MailChannels-Auth-Id: lmn-TZDUIOWCRQMW X-Shelf-Imminent: 3e99200d1c953c23_1491140076381_2461379888 X-MC-Loop-Signature: 1491140076381:1537040691 X-MC-Ingress-Time: 1491140076381 Received: from localhost (localhost [127.0.0.1]) (Authenticated sender: icenowy@aosc.io) by hermes.aosc.io (Postfix) with ESMTPSA id 81D6443695; Sun, 2 Apr 2017 13:34:24 +0000 (UTC) From: Icenowy Zheng To: Lee Jones , Maxime Ripard , Chen-Yu Tsai , Jonathan Cameron , Quentin Schulz , Zhang Rui Subject: [RFC PATCH v2 1/4] dt-bindings: update the Allwinner GPADC device tree binding for H3 Date: Sun, 2 Apr 2017 21:33:01 +0800 Message-Id: <20170402133304.56824-2-icenowy@aosc.io> In-Reply-To: <20170402133304.56824-1-icenowy@aosc.io> References: <20170402133304.56824-1-icenowy@aosc.io> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170402_063458_158017_CB7D17E0 X-CRM114-Status: UNSURE ( 7.89 ) X-CRM114-Notice: Please train this message. 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: devicetree@vger.kernel.org, linux-pm@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, linux-arm-kernel@lists.infradead.org, Icenowy Zheng 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 Allwinner H3 features a thermal sensor like the one in A33, but has its register re-arranged, the clock divider moved to CCU (originally the clock divider is in ADC) and added a pair of bus clock and reset. Update the binding document to cover H3. Signed-off-by: Icenowy Zheng --- .../devicetree/bindings/mfd/sun4i-gpadc.txt | 23 ++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt b/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt index badff3611a98..7753133ca0ff 100644 --- a/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt +++ b/Documentation/devicetree/bindings/mfd/sun4i-gpadc.txt @@ -4,12 +4,20 @@ The Allwinner SoCs all have an ADC that can also act as a thermal sensor and sometimes as a touchscreen controller. Required properties: - - compatible: "allwinner,sun8i-a33-ths", + - compatible: must contain one of the following compatibles: + - "allwinner,sun8i-a33-ths" + - "allwinner,sun8i-h3-ths" - reg: mmio address range of the chip, - #thermal-sensor-cells: shall be 0, - #io-channel-cells: shall be 0, -Example: +Required properties for the following compatibles: + - "allwinner,sun8i-h3-ths" + - clocks: the bus clock and the input clock of the ADC, + - clock-names: should be "bus" and "ths", + - resets: the bus reset of the ADC, + +Example for A33: ths: ths@01c25000 { compatible = "allwinner,sun8i-a33-ths"; reg = <0x01c25000 0x100>; @@ -17,6 +25,17 @@ Example: #io-channel-cells = <0>; }; +Example for H3: + ths: ths@01c25000 { + compatible = "allwinner,sun8i-h3-ths"; + reg = <0x01c25000 0x100>; + clocks = <&ccu CLK_BUS_THS>, <&ccu CLK_THS>; + clock-names = "bus", "ths"; + resets = <&ccu RST_BUS_THS>; + #thermal-sensor-cells = <0>; + #io-channel-cells = <0>; + }; + sun4i, sun5i and sun6i SoCs are also supported via the older binding: sun4i resistive touchscreen controller