From patchwork Tue Jul 2 11:52:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Thomas Bonnefille X-Patchwork-Id: 13719517 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 7C205C3065C for ; Tue, 2 Jul 2024 11:53:26 +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:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=vt0z7nul69UYpKcIAtQPjlf088Cqbf+Jn6Z4wJ/OOyQ=; b=i4ocplU4AdIs1a SlVhD/Xjo1jOc4sfMn5DlTWUzSvgR1GjM75lls/SwAlSgv55Esy/2OUXzcx4fHrY7n6wqImDcxb+H 3zan+ycIom9E9pEnwZ01eeIcf4lbracqNH3xQOQEGtkcX0nDQCL0nBcFQJT0+sagsuNSDrKlBboqr CSLA4uT8606OXbMykz60tREOpQxMMaz04PAQiTB8pTfA6N+FQ9GKVr+UMGrUEC7My8PcY1tFAoJpg coVCKJi6rPPowYFe0gC0rJXPAOuiP9g6I60ah72KH9hNl73G/jWcMXrFk6OHQ1muXHmpxc2qTz5gM M6wzMHIPd8oXp3rmquUg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sOc4Y-00000006ZWB-0hK9; Tue, 02 Jul 2024 11:53:22 +0000 Received: from relay8-d.mail.gandi.net ([2001:4b98:dc4:8::228]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sOc4U-00000006ZTv-0mGJ for linux-riscv@lists.infradead.org; Tue, 02 Jul 2024 11:53:20 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id 084991BF213; Tue, 2 Jul 2024 11:53:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1719921194; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gqC7auAvQgW9A/VK3641+r1UdxlnIIFJMqdNw3IN0E8=; b=h7w8X7Ymc/zvg+nQGNtcHw99Z+LNVB4kkkykGYu1pNVAwfUAOJGqYPwIX4EO1l/UW7qfV6 MsR/SRV06v6diweqPiAPi5hIw80hC40El59u52AB5lOR/YEg1mEaxK4ffe/JmICNilGJnG /C9D9LyAlJxmkw876Ltaz01I3TTz6bwwXwD17cHpDemzFCQzyHyFwWFMNo8D5e/1jV/tn8 eO2cFGHP8fvaLTXOkzcI+RyJ/VezVBx0NCdmuKNZAY6BSy7vCsbHW2lf0t/hiFdMDTvq8o /WEaSmPHk7X0y1WCly5PwlRLR/MGfutj2Yn80KmC5Sr+a1ONVdmFV3vY3GR/RQ== From: Thomas Bonnefille Date: Tue, 02 Jul 2024 13:52:21 +0200 Subject: [PATCH 1/3] dt-bindings: iio: adc: sophgo,cv18xx-saradc.yaml: Add Sophgo SARADC binding documentation MIME-Version: 1.0 Message-Id: <20240702-sg2002-adc-v1-1-ac66e076a756@bootlin.com> References: <20240702-sg2002-adc-v1-0-ac66e076a756@bootlin.com> In-Reply-To: <20240702-sg2002-adc-v1-0-ac66e076a756@bootlin.com> To: Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen Wang , Inochi Amaoto , Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: Thomas Petazzoni , =?utf-8?q?Miqu=C3=A8l_R?= =?utf-8?q?aynal?= , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, Thomas Bonnefille X-Mailer: b4 0.14.0 X-GND-Sasl: thomas.bonnefille@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240702_045318_829956_09071D98 X-CRM114-Status: GOOD ( 12.78 ) X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org The Sophgo SARADC is a Successive Approximation ADC that can be found in the Sophgo SoC. Signed-off-by: Thomas Bonnefille --- .../bindings/iio/adc/sophgo,cv18xx-saradc.yaml | 51 ++++++++++++++++++++++ MAINTAINERS | 5 +++ 2 files changed, 56 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml new file mode 100644 index 000000000000..21fd5dc8e24e --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/sophgo,cv18xx-adc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sophgo 3 channels Successive Approximation Analog to Digital Converters + +maintainers: + - Thomas Bonnefille + +description: + Datasheet at https://github.com/sophgo/sophgo-doc/releases + +properties: + compatible: + const: sophgo,cv18xx-saradc + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + description: + SARADC will use the presence of this clock to determine if the controller + needs to be explicitly clocked by it (Active domain) or if it is part of + the No-Die Domain, along with the RTC, which does not require explicit + clocking. + maxItems: 1 + +required: + - compatible + - reg + +examples: + - | + # ADC in the Active domain + adc@30f0000 { + compatible = "sophgo,cv18xx-saradc"; + clocks = <&clk CLK_SARADC>; + interrupts = <100 IRQ_TYPE_LEVEL_HIGH>; + reg = <0x030F0000 0x1000>; + }; + - | + # ADC in the No-Die domain + adc@502c000 { + compatible = "sophgo,cv18xx-saradc"; + reg = <0x0502C000 0x1000>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index aacccb376c28..dc87898c518c 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -20901,6 +20901,11 @@ S: Maintained N: sophgo K: sophgo +SOPHGO SARADC DEVICE DRIVER +M: Thomas Bonnefille +S: Maintained +F: Documentation/devicetree/bindings/iio/adc/sophgo,cv18xx-saradc.yaml + SOUND M: Jaroslav Kysela M: Takashi Iwai