From patchwork Tue Mar 17 20:50:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 11444027 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 780ED90 for ; Tue, 17 Mar 2020 20:52:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4BB6B20752 for ; Tue, 17 Mar 2020 20:52:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=walle.cc header.i=@walle.cc header.b="jGR32Ukz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726897AbgCQUv5 (ORCPT ); Tue, 17 Mar 2020 16:51:57 -0400 Received: from ssl.serverraum.org ([176.9.125.105]:34939 "EHLO ssl.serverraum.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726856AbgCQUux (ORCPT ); Tue, 17 Mar 2020 16:50:53 -0400 Received: from apollo.fritz.box (unknown [IPv6:2a02:810c:c200:2e91:6257:18ff:fec4:ca34]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id A696D23E57; Tue, 17 Mar 2020 21:50:49 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1584478250; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=pnvrMHq4df7PzQAC7TxqlEV1vqqRU/yK9xcpXwNVrAk=; b=jGR32UkzFLXyXtavF5314t9FNqbgpQUuNIGQd7EMFzYI52w+yrSo0qjpNZxXtFLPoqpn6f 8/qSs9/b7EE68cQvsCR9zAZvq6qXV3mbMdftT3LDRPefa3oYZ8I+2VFnIGuiUTxk34heY7 +sH/kROcX7Xm1z5qyHxJXifGrw5dVvo= From: Michael Walle To: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-pwm@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Linus Walleij , Bartosz Golaszewski , Rob Herring , Jean Delvare , Guenter Roeck , Lee Jones , Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Wim Van Sebroeck , Shawn Guo , Li Yang , Thomas Gleixner , Jason Cooper , Marc Zyngier , Michael Walle Subject: [PATCH 04/18] dt-bindings: mfd: Add bindings for sl28cpld Date: Tue, 17 Mar 2020 21:50:03 +0100 Message-Id: <20200317205017.28280-5-michael@walle.cc> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200317205017.28280-1-michael@walle.cc> References: <20200317205017.28280-1-michael@walle.cc> MIME-Version: 1.0 X-Spamd-Bar: ++++++ X-Spam-Level: ****** X-Rspamd-Server: web X-Spam-Status: Yes, score=6.40 X-Spam-Score: 6.40 X-Rspamd-Queue-Id: A696D23E57 X-Spamd-Result: default: False [6.40 / 15.00]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_MISSING_CHARSET(2.50)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; TAGGED_RCPT(0.00)[dt]; MIME_GOOD(-0.10)[text/plain]; BROKEN_CONTENT_TYPE(1.50)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_SPAM(0.00)[0.606]; DKIM_SIGNED(0.00)[]; DBL_PROHIBIT(0.00)[0.0.0.1:email,0.0.0.0:email]; RCPT_COUNT_TWELVE(0.00)[22]; MID_CONTAINS_FROM(1.00)[]; RCVD_COUNT_ZERO(0.00)[0]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:31334, ipnet:2a02:810c:8000::/33, country:DE]; FREEMAIL_CC(0.00)[linaro.org,baylibre.com,kernel.org,suse.com,roeck-us.net,gmail.com,pengutronix.de,linux-watchdog.org,nxp.com,linutronix.de,lakedaemon.net,walle.cc]; SUSPICIOUS_RECIPS(1.50)[] X-Spam: Yes Sender: linux-hwmon-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org This adds device tree bindings for the board management controller found on the Kontron SMARC-sAL28 board. Signed-off-by: Michael Walle --- .../bindings/mfd/kontron,sl28cpld.yaml | 143 ++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml diff --git a/Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml b/Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml new file mode 100644 index 000000000000..3b9cca49d2d6 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/kontron,sl28cpld.yaml @@ -0,0 +1,143 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/kontron,sl28cpld.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Kontron's sl28cpld board management controller + +maintainers: + - Michael Walle + +description: | + The board management controller may contain different IP blocks like + watchdog, fan monitoring, PWM controller, interrupt controller and a + GPIO controller. + +properties: + compatible: + const: kontron,sl28cpld + + reg: + description: + I2C device address. + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + "#interrupt-cells": + const: 2 + + interrupts: + maxItems: 1 + + interrupt-controller: true + +patternProperties: + "^gp(io|i|o)(@[0-9]+)?$": + $ref: ../gpio/kontron,sl28cpld-gpio.yaml + + "^hwmon(@[0-9]+)?$": + $ref: ../hwmon/kontron,sl28cpld-hwmon.yaml + + "^pwm(@[0-9]+)?$": + $ref: ../pwm/kontron,sl28cpld-pwm.yaml + + "^watchdog(@[0-9]+)?$": + $ref: ../watchdog/kontron,sl28cpld-wdt.yaml + +required: + - "#address-cells" + - "#size-cells" + - compatible + - reg + - "#interrupt-cells" + - interrupt-controller + +oneOf: + - required: + - interrupts + - required: + - interrupts-extended + +additionalProperties: false + +examples: + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + sl28cpld@4a { + #address-cells = <1>; + #size-cells = <0>; + compatible = "kontron,sl28cpld"; + reg = <0x4a>; + interrupts-extended = <&gpio2 6 IRQ_TYPE_EDGE_FALLING>; + + #interrupt-cells = <2>; + interrupt-controller; + + gpio@0 { + compatible = "kontron,sl28cpld-gpio"; + reg = <0>; + + gpio-controller; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio@1 { + compatible = "kontron,sl28cpld-gpio"; + reg = <1>; + + gpio-controller; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpo { + compatible = "kontron,sl28cpld-gpo"; + + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "a", "b", "c"; + }; + + gpi { + compatible = "kontron,sl28cpld-gpi"; + + gpio-controller; + #gpio-cells = <2>; + }; + + hwmon { + compatible = "kontron,sl28cpld-fan"; + }; + + pwm@0 { + compatible = "kontron,sl28cpld-pwm"; + reg = <0>; + #pwm-cells = <2>; + }; + + pwm@1 { + compatible = "kontron,sl28cpld-pwm"; + reg = <1>; + #pwm-cells = <2>; + }; + + watchdog { + compatible = "kontron,sl28cpld-wdt"; + }; + }; + };