From patchwork Mon Jul 12 15:02:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sebastian Reichel X-Patchwork-Id: 12371337 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 8C1A4C07E9C for ; Mon, 12 Jul 2021 15:02:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 75A6B61004 for ; Mon, 12 Jul 2021 15:02:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235310AbhGLPFg (ORCPT ); Mon, 12 Jul 2021 11:05:36 -0400 Received: from bhuna.collabora.co.uk ([46.235.227.227]:54220 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235302AbhGLPFg (ORCPT ); Mon, 12 Jul 2021 11:05:36 -0400 Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: sre) with ESMTPSA id 7E8A11F425C8 Received: by jupiter.universe (Postfix, from userid 1000) id 4300A4800C7; Mon, 12 Jul 2021 17:02:44 +0200 (CEST) From: Sebastian Reichel To: Greg Kroah-Hartman Cc: Mark Brown , Rob Herring , Arnd Bergmann , Shawn Guo , Sascha Hauer , Fabio Estevam , Ian Ray , linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, kernel@collabora.com, Sebastian Reichel , Rob Herring Subject: [PATCHv6 1/3] dt-bindings: misc: ge-achc: Convert to DT schema format Date: Mon, 12 Jul 2021 17:02:40 +0200 Message-Id: <20210712150242.146545-2-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210712150242.146545-1-sebastian.reichel@collabora.com> References: <20210712150242.146545-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Convert the binding to DT schema format. Also update the binding to fix shortcomings * Add "nxp,kinetis-k20" fallback compatible * add programming SPI interface and reset GPIO * add main clock * add voltage supplies * drop spi-max-frequency from required properties, driver will setup max. frequency Reviewed-by: Rob Herring Signed-off-by: Sebastian Reichel --- .../devicetree/bindings/misc/ge-achc.txt | 26 -------- .../devicetree/bindings/misc/ge-achc.yaml | 65 +++++++++++++++++++ 2 files changed, 65 insertions(+), 26 deletions(-) delete mode 100644 Documentation/devicetree/bindings/misc/ge-achc.txt create mode 100644 Documentation/devicetree/bindings/misc/ge-achc.yaml diff --git a/Documentation/devicetree/bindings/misc/ge-achc.txt b/Documentation/devicetree/bindings/misc/ge-achc.txt deleted file mode 100644 index 77df94d7a32f..000000000000 --- a/Documentation/devicetree/bindings/misc/ge-achc.txt +++ /dev/null @@ -1,26 +0,0 @@ -* GE Healthcare USB Management Controller - -A device which handles data aquisition from compatible USB based peripherals. -SPI is used for device management. - -Note: This device does not expose the peripherals as USB devices. - -Required properties: - -- compatible : Should be "ge,achc" - -Required SPI properties: - -- reg : Should be address of the device chip select within - the controller. - -- spi-max-frequency : Maximum SPI clocking speed of device in Hz, should be - 1MHz for the GE ACHC. - -Example: - -spidev0: spi@0 { - compatible = "ge,achc"; - reg = <0>; - spi-max-frequency = <1000000>; -}; diff --git a/Documentation/devicetree/bindings/misc/ge-achc.yaml b/Documentation/devicetree/bindings/misc/ge-achc.yaml new file mode 100644 index 000000000000..ff07aa62ed57 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/ge-achc.yaml @@ -0,0 +1,65 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +# Copyright (C) 2021 GE Inc. +# Copyright (C) 2021 Collabora Ltd. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/misc/ge-achc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: GE Healthcare USB Management Controller + +description: | + A device which handles data acquisition from compatible USB based peripherals. + SPI is used for device management. + + Note: This device does not expose the peripherals as USB devices. + +maintainers: + - Sebastian Reichel + +properties: + compatible: + items: + - const: ge,achc + - const: nxp,kinetis-k20 + + clocks: + maxItems: 1 + + vdd-supply: + description: Digital power supply regulator on VDD pin + + vdda-supply: + description: Analog power supply regulator on VDDA pin + + reg: + items: + - description: Control interface + - description: Firmware programming interface + + reset-gpios: + description: GPIO used for hardware reset. + maxItems: 1 + +required: + - compatible + - clocks + - reg + - reset-gpios + +additionalProperties: false + +examples: + - | + #include + spi { + #address-cells = <1>; + #size-cells = <0>; + + spi@1 { + compatible = "ge,achc", "nxp,kinetis-k20"; + reg = <1>, <0>; + clocks = <&achc_24M>; + reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>; + }; + };