From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 EFD95C3567B for ; Thu, 27 Feb 2020 14:55:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C5EB42468A for ; Thu, 27 Feb 2020 14:55:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732471AbgB0Ozx (ORCPT ); Thu, 27 Feb 2020 09:55:53 -0500 Received: from bhuna.collabora.co.uk ([46.235.227.227]:38194 "EHLO bhuna.collabora.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729417AbgB0Ozw (ORCPT ); Thu, 27 Feb 2020 09:55:52 -0500 Received: from localhost.localdomain (p200300CB87166A00F93543D7CC014A8D.dip0.t-ipconnect.de [IPv6:2003:cb:8716:6a00:f935:43d7:cc01:4a8d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: dafna) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id C72D729625B; Thu, 27 Feb 2020 14:55:49 +0000 (GMT) From: Dafna Hirschfeld To: devicetree@vger.kernel.org Cc: robh+dt@kernel.org, mark.rutland@arm.com, bleung@chromium.org, enric.balletbo@collabora.com, groeck@chromium.org, dafna.hirschfeld@collabora.com, linux-kernel@vger.kernel.org, helen.koike@collabora.com, ezequiel@collabora.com, kernel@collabora.com, dafna3@gmail.com, sebastian.reichel@collabora.com Subject: [PATCH v5 1/2] dt-bindings: i2c: cros-ec-tunnel: convert i2c-cros-ec-tunnel.txt to yaml Date: Thu, 27 Feb 2020 15:55:27 +0100 Message-Id: <20200227145528.8940-1-dafna.hirschfeld@collabora.com> X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Convert the binding file i2c-cros-ec-tunnel.txt to yaml format. This was tested and verified on ARM and ARM64 with: make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/i2c/google,cros-ec-i2c-tunnel.yaml make dtbs_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/i2c/google,cros-ec-i2c-tunnel.yaml Signed-off-by: Dafna Hirschfeld --- Changes since v1: - changing the subject to start with "dt-bindings: i2c: cros-ec-tunnel:" - changing the license to (GPL-2.0-only OR BSD-2-Clause) - removing "Guenter Roeck " from the maintainers list - adding ref: /schemas/i2c/i2c-controller.yaml Changes since v2: - adding another patch that fixes a warning found by this patch Changes since v3: - In the example, change sbs-battery@b to battery@b Changes since v4: - change the name of the yaml file to google,cros-ec-i2c-tunnel.yaml - make the example more complete by adding spi0 as parent and other properties. .../i2c/google,cros-ec-i2c-tunnel.yaml | 69 +++++++++++++++++++ .../bindings/i2c/i2c-cros-ec-tunnel.txt | 39 ----------- 2 files changed, 69 insertions(+), 39 deletions(-) create mode 100644 Documentation/devicetree/bindings/i2c/google,cros-ec-i2c-tunnel.yaml delete mode 100644 Documentation/devicetree/bindings/i2c/i2c-cros-ec-tunnel.txt diff --git a/Documentation/devicetree/bindings/i2c/google,cros-ec-i2c-tunnel.yaml b/Documentation/devicetree/bindings/i2c/google,cros-ec-i2c-tunnel.yaml new file mode 100644 index 000000000000..e26c9fc3e33f --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/google,cros-ec-i2c-tunnel.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/google,cros-ec-i2c-tunnel.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: I2C bus that tunnels through the ChromeOS EC (cros-ec) + +maintainers: + - Benson Leung + - Enric Balletbo i Serra + +description: | + On some ChromeOS board designs we've got a connection to the EC (embedded + controller) but no direct connection to some devices on the other side of + the EC (like a battery and PMIC). To get access to those devices we need + to tunnel our i2c commands through the EC. + The node for this device should be under a cros-ec node like google,cros-ec-spi + or google,cros-ec-i2c. + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + const: + google,cros-ec-i2c-tunnel + + google,remote-bus: + $ref: "/schemas/types.yaml#/definitions/uint32" + description: The EC bus we'd like to talk to. + + "#address-cells": true + "#size-cells": true + +patternProperties: + "^.*@[0-9a-f]+$": + type: object + description: One node per I2C device connected to the tunnelled I2C bus. + +additionalProperties: false + +required: + - compatible + - google,remote-bus + +examples: + - | + spi0 { + #address-cells = <1>; + #size-cells = <0>; + cros-ec@0 { + compatible = "google,cros-ec-spi"; + reg = <0>; + + i2c-tunnel { + compatible = "google,cros-ec-i2c-tunnel"; + #address-cells = <1>; + #size-cells = <0>; + google,remote-bus = <0>; + + battery: battery@b { + compatible = "sbs,sbs-battery"; + reg = <0xb>; + sbs,poll-retry-count = <1>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/i2c/i2c-cros-ec-tunnel.txt b/Documentation/devicetree/bindings/i2c/i2c-cros-ec-tunnel.txt deleted file mode 100644 index 898f030eba62..000000000000 --- a/Documentation/devicetree/bindings/i2c/i2c-cros-ec-tunnel.txt +++ /dev/null @@ -1,39 +0,0 @@ -I2C bus that tunnels through the ChromeOS EC (cros-ec) -====================================================== -On some ChromeOS board designs we've got a connection to the EC (embedded -controller) but no direct connection to some devices on the other side of -the EC (like a battery and PMIC). To get access to those devices we need -to tunnel our i2c commands through the EC. - -The node for this device should be under a cros-ec node like google,cros-ec-spi -or google,cros-ec-i2c. - - -Required properties: -- compatible: google,cros-ec-i2c-tunnel -- google,remote-bus: The EC bus we'd like to talk to. - -Optional child nodes: -- One node per I2C device connected to the tunnelled I2C bus. - - -Example: - cros-ec@0 { - compatible = "google,cros-ec-spi"; - - ... - - i2c-tunnel { - compatible = "google,cros-ec-i2c-tunnel"; - #address-cells = <1>; - #size-cells = <0>; - - google,remote-bus = <0>; - - battery: sbs-battery@b { - compatible = "sbs,sbs-battery"; - reg = <0xb>; - sbs,poll-retry-count = <1>; - }; - }; - } -- 2.17.1