From patchwork Tue Mar 28 17:30:11 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Icenowy Zheng X-Patchwork-Id: 9650293 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 B4740601E9 for ; Tue, 28 Mar 2017 17:35:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 91A3028387 for ; Tue, 28 Mar 2017 17:35:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8568C28452; Tue, 28 Mar 2017 17:35:38 +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 E1F0F28387 for ; Tue, 28 Mar 2017 17:35:37 +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=xVN3K5IKglyGVN7BE+f161rbXtD/wNTwVwe9jcWDJ/M=; b=B92tr+oYTqQ2SOSuYzsxPckUM+ RPRYdibbpA5kFF0O9KnbtsUwWgqcq5AbCET86lj+uW8kgo/34/P+8wkoNSLv6BkdAQd931BjrkqzQ zYlcbIbBzm69TKCP4KjO8daMxTf1lNBV/VPWWQVjfQ6TKKXcaNfetH2OHDyw5/piJqMfeTXMfpirW kP/Vd5SecBDr8U6b12jpRazvZM2eOanRdnoOm2/MX0o2IDuAdzTKy1DS3HlWi5VZHsdZtpgm1M80q l7Dm9UqvkKX0Iot5aBUFzYaMsPp6srNBoES6y3BOTEO4HTTvBuqzXgFO9r7VSsZ5S4et0jKDzsYUX quUJreBg==; 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 1csv1q-0003eN-EI; Tue, 28 Mar 2017 17:35:34 +0000 Received: from nov-007-i458.relay.mailchannels.net ([46.232.183.12]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1csuxo-0001CL-K5 for linux-arm-kernel@lists.infradead.org; Tue, 28 Mar 2017 17:31:27 +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 B48A9204D19; Tue, 28 Mar 2017 17:30:59 +0000 (UTC) Received: from hermes.aosc.io (unknown [100.96.135.247]) by relay.mailchannels.net (Postfix) with ESMTPA id D6A962051D5; Tue, 28 Mar 2017 17:30:58 +0000 (UTC) X-Sender-Id: lmn-tzduiowcrqmw|x-authsender|icenowy@aosc.io Received: from hermes.aosc.io ([TEMPUNAVAIL]. [172.20.61.168]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384) by 0.0.0.0:2500 (trex/5.7.37); Tue, 28 Mar 2017 17:30:59 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: lmn-tzduiowcrqmw|x-authsender|icenowy@aosc.io X-MailChannels-Auth-Id: lmn-TZDUIOWCRQMW X-Descriptive-Daffy: 6b5ffb3348b7efae_1490722259551_18305845 X-MC-Loop-Signature: 1490722259551:3210307988 X-MC-Ingress-Time: 1490722259550 Received: from localhost.localdomain (unknown [120.236.174.154]) (Authenticated sender: icenowy@aosc.io) by hermes.aosc.io (Postfix) with ESMTPSA id B593E802DF; Tue, 28 Mar 2017 17:30:43 +0000 (UTC) From: Icenowy Zheng To: Lee Jones , Rob Herring , Maxime Ripard , Chen-Yu Tsai , Jonathan Cameron , Zhang Rui , Quentin Schulz Subject: [RFC PATCH 1/3] dt-bindings: update the Allwinner GPADC device tree binding for H3 Date: Wed, 29 Mar 2017 01:30:11 +0800 Message-Id: <20170328173013.16539-2-icenowy@aosc.io> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20170328173013.16539-1-icenowy@aosc.io> References: <20170328173013.16539-1-icenowy@aosc.io> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170328_103125_449559_BD3FA730 X-CRM114-Status: GOOD ( 10.03 ) 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-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