From patchwork Fri May 21 22:32:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Grygorii Strashko X-Patchwork-Id: 445012 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B1423C4707F for ; Fri, 21 May 2021 22:33:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 965F1613AF for ; Fri, 21 May 2021 22:33:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230235AbhEUWeb (ORCPT ); Fri, 21 May 2021 18:34:31 -0400 Received: from fllv0015.ext.ti.com ([198.47.19.141]:39268 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230137AbhEUWeS (ORCPT ); Fri, 21 May 2021 18:34:18 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 14LMWrxo125706; Fri, 21 May 2021 17:32:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1621636373; bh=P0uN7MmZ9ueAxD4Ft4U0SxHkdiO5DIvjcLI0TK12KlY=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=EiaR6CwfVTWuwdpDYXMwcKBsfS1DseMYNbGDdumQ/9s1Ol9ohZ+lO7hYGehFJZLyv w7f+ZLdu2NO8f3dx7WSwn8gJqylxFEPbB5ikQgXuUvHERbirVI5ZagJoHwqYkXPBl/ 3MjzrQgiMrKCvw0vStjTSz0petwc+kvGH1xkQ30k= Received: from DFLE113.ent.ti.com (dfle113.ent.ti.com [10.64.6.34]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 14LMWrrE062974 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 21 May 2021 17:32:53 -0500 Received: from DFLE110.ent.ti.com (10.64.6.31) by DFLE113.ent.ti.com (10.64.6.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Fri, 21 May 2021 17:32:52 -0500 Received: from lelv0326.itg.ti.com (10.180.67.84) by DFLE110.ent.ti.com (10.64.6.31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via Frontend Transport; Fri, 21 May 2021 17:32:52 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id 14LMWpDb067569; Fri, 21 May 2021 17:32:52 -0500 From: Grygorii Strashko To: Linus Walleij , Bartosz Golaszewski , Santosh Shilimkar , Tony Lindgren , CC: , , , Aswath Govindraju , Grygorii Strashko Subject: [PATCH 5/5] dt-bindings: gpio: omap: Convert to json-schema Date: Sat, 22 May 2021 01:32:36 +0300 Message-ID: <20210521223236.18324-6-grygorii.strashko@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210521223236.18324-1-grygorii.strashko@ti.com> References: <20210521223236.18324-1-grygorii.strashko@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Convert the OMAP GPIO Device Tree binding documentation to json-schema. The GPIO hogs node names defined to end with a 'hog' suffix. Signed-off-by: Grygorii Strashko Reviewed-by: Rob Herring --- .../devicetree/bindings/gpio/gpio-omap.txt | 45 -------- .../bindings/gpio/ti,omap-gpio.yaml | 108 ++++++++++++++++++ 2 files changed, 108 insertions(+), 45 deletions(-) delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-omap.txt create mode 100644 Documentation/devicetree/bindings/gpio/ti,omap-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/gpio-omap.txt b/Documentation/devicetree/bindings/gpio/gpio-omap.txt deleted file mode 100644 index e57b2cb28f6c..000000000000 --- a/Documentation/devicetree/bindings/gpio/gpio-omap.txt +++ /dev/null @@ -1,45 +0,0 @@ -OMAP GPIO controller bindings - -Required properties: -- compatible: - - "ti,omap2-gpio" for OMAP2 controllers - - "ti,omap3-gpio" for OMAP3 controllers - - "ti,omap4-gpio" for OMAP4 controllers -- reg : Physical base address of the controller and length of memory mapped - region. -- gpio-controller : Marks the device node as a GPIO controller. -- #gpio-cells : Should be two. - - first cell is the pin number - - second cell is used to specify optional parameters (unused) -- interrupt-controller: Mark the device node as an interrupt controller. -- #interrupt-cells : Should be 2. - The first cell is the GPIO number. - The second cell is used to specify flags: - bits[3:0] trigger type and level flags: - 1 = low-to-high edge triggered. - 2 = high-to-low edge triggered. - 4 = active high level-sensitive. - 8 = active low level-sensitive. -- interrupts : The interrupt the controller is rising as output when an - interrupt occures - -OMAP specific properties: -- ti,hwmods: Name of the hwmod associated to the GPIO: - "gpio", being the 1-based instance number - from the HW spec. -- ti,gpio-always-on: Indicates if a GPIO bank is always powered and - so will never lose its logic state. - - -Example: - -gpio0: gpio@44e07000 { - compatible = "ti,omap4-gpio"; - reg = <0x44e07000 0x1000>; - ti,hwmods = "gpio1"; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = <96>; -}; diff --git a/Documentation/devicetree/bindings/gpio/ti,omap-gpio.yaml b/Documentation/devicetree/bindings/gpio/ti,omap-gpio.yaml new file mode 100644 index 000000000000..ecefeb49f3f3 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/ti,omap-gpio.yaml @@ -0,0 +1,108 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/ti,omap-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: OMAP GPIO controller bindings + +maintainers: + - Grygorii Strashko + +description: | + The general-purpose interface combines general-purpose input/output (GPIO) banks. + Each GPIO banks provides up to 32 dedicated general-purpose pins with input + and output capabilities; interrupt generation in active mode and wake-up + request generation in idle mode upon the detection of external events. + +properties: + compatible: + oneOf: + - enum: + - ti,omap2-gpio + - ti,omap3-gpio + - ti,omap4-gpio + - items: + - const: ti,am4372-gpio + - const: ti,omap4-gpio + + reg: + maxItems: 1 + + gpio-controller: true + + '#gpio-cells': + const: 2 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + + interrupts: + maxItems: 1 + + gpio-ranges: true + + gpio-line-names: + minItems: 1 + maxItems: 32 + + ti,gpio-always-on: + $ref: /schemas/types.yaml#/definitions/flag + description: + Indicates if a GPIO bank is always powered and will never lose its logic state. + + ti,hwmods: + $ref: /schemas/types.yaml#/definitions/string + deprecated: true + description: + Name of the hwmod associated with the GPIO. Needed on some legacy OMAP + SoCs which have not been converted to the ti,sysc interconnect hierarachy. + + ti,no-reset-on-init: + $ref: /schemas/types.yaml#/definitions/flag + deprecated: true + description: + Do not reset on init. Used with ti,hwmods on some legacy OMAP SoCs which + have not been converted to the ti,sysc interconnect hierarachy. + +patternProperties: + "^(.+-hog(-[0-9]+)?)$": + type: object + + required: + - gpio-hog + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + - interrupt-controller + - "#interrupt-cells" + - interrupts + +additionalProperties: false + +examples: + - | + #include + + gpio0: gpio@0 { + compatible = "ti,omap4-gpio"; + reg = <0x0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <96>; + ti,gpio-always-on; + + ls-buf-en-hog { + gpio-hog; + gpios = <10 GPIO_ACTIVE_HIGH>; + output-high; + line-name = "LS_BUF_EN"; + }; + };