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=-14.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, 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 5B947C433E0 for ; Wed, 10 Feb 2021 02:52:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E3C364E05 for ; Wed, 10 Feb 2021 02:52:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233394AbhBJCwf (ORCPT ); Tue, 9 Feb 2021 21:52:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33116 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230520AbhBJCwZ (ORCPT ); Tue, 9 Feb 2021 21:52:25 -0500 Received: from mail-pg1-x52a.google.com (mail-pg1-x52a.google.com [IPv6:2607:f8b0:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 48B68C061786 for ; Tue, 9 Feb 2021 18:51:45 -0800 (PST) Received: by mail-pg1-x52a.google.com with SMTP id n10so264744pgl.10 for ; Tue, 09 Feb 2021 18:51:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=jwl4AIvKpyIFMLBw7LDOeCksDs1vdX1B/QNTm5+YpAI=; b=iAe7aowfXV35hNjR6SBxn+JgXoLuvo2nMCriAfF5K2UqJgw747/Qb8uUQKU86MhLRj sxDbhbnEK3+IsgFUyjsCC+AO424MeJ6OZ3i+peWHP6t/TugXIyZrP1YxYceRAw4U4m3p 1GmQHtxq02l8PardyRJqgUTyOP3XXSe9cxpcQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=jwl4AIvKpyIFMLBw7LDOeCksDs1vdX1B/QNTm5+YpAI=; b=aL7Io3MGRWPvkXuEcQuVqhoUZ1e01Q+KaqE9mU9RsvHkFvv6Uu8RzPpRn/MwAzQclM AyXMydYkbwFqSaPzk4z29hV3XX2H8N2xIax9QdEvLH6/ARAyzAfHjM+l6To/eCodWKeY XUxxHssyoSqF5OdJJrRiJgwert3VRjTgkNXD2gq8W20XOtwW/fARmbXo/IVbW416Nuq+ k+RnmTFV/dEXWGZjUCU6KPG2AgQncehVdGFcicrYekDyI+KiPdcrIMSkHYlU4H2VnSUA B45NWQRdCHuYuXdJVB7ybkvky8mnWKRwLSuYUZ7cpmSsfihhwpbdtbk3vEWRVAcYOGPh gfMQ== X-Gm-Message-State: AOAM530RP7TP//bsnsUvI9cz0nFHdBMMFA1lEMwrdBWlEKVEP5vcT6J8 AEYBrfV4hIyhS3yB1TpHBIX8PQ== X-Google-Smtp-Source: ABdhPJyBVGEtnQ1qiHz2bQggXgYt7eHaM/a/x47kAS2J8CwUf9814cQLT4Jt5GPKW6LFPRVcQydCqQ== X-Received: by 2002:a63:4521:: with SMTP id s33mr1037741pga.16.1612925504585; Tue, 09 Feb 2021 18:51:44 -0800 (PST) Received: from smtp.gmail.com ([2620:15c:202:201:58e2:748e:a316:9823]) by smtp.gmail.com with ESMTPSA id r13sm139420pfc.198.2021.02.09.18.51.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Feb 2021 18:51:44 -0800 (PST) From: Stephen Boyd To: Jonathan Cameron Cc: linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, Dmitry Torokhov , Benson Leung , Guenter Roeck , Douglas Anderson , Gwendal Grignou , devicetree@vger.kernel.org, Rob Herring , Enric Balletbo i Serra Subject: [PATCHv5 0/3] iio: Add a ChromeOS EC MKBP proximity driver Date: Tue, 9 Feb 2021 18:51:39 -0800 Message-Id: <20210210025142.3609708-1-swboyd@chromium.org> X-Mailer: git-send-email 2.30.0.478.g8a0d178c01-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is a different approach to [1] where I tried to add this proximity sensor logic to the input subsystem. Instead, we'll take the approach of making a small IIO proximity driver that parses the EC switch bitmap to find out if the front proximity sensor is detecting something or not. This allows us to treat proximity sensors as IIO devices all the time in userspace instead of handling this switch on the EC via the input subsystem and then other proximity sensors via IIO. I propose this is all merged through IIO subsystem. Please ack the first patch so it can be merged that way. Changes from v4: * Reduced binding and moved proximity node to mfd spi example * Dropped of_match_ptr() Changes from v3: * Added SPI and cros-ec wrapper nodes to yaml example * Ignore notifier registration return code that is always zero Changes from v2: * Check iio clock and use IIO time if not boottime Changes from v1: * Driver moved location * Put mkbp everywhere * Fixed up DT binding to not fail and make sure is a child of cros-ec * Simplified logic for sending a message * Dropped CONFIG_OF usage * Sorted includes [1] https://lore.kernel.org/r/20201205004709.3126266-1-swboyd@chromium.org Cc: Dmitry Torokhov Cc: Benson Leung Cc: Guenter Roeck Cc: Douglas Anderson Cc: Gwendal Grignou Cc: Cc: Rob Herring Cc: Enric Balletbo i Serra Stephen Boyd (3): platform/chrome: cros_ec: Add SW_FRONT_PROXIMITY MKBP define dt-bindings: iio: Add cros ec proximity yaml doc iio: proximity: Add a ChromeOS EC MKBP proximity driver .../google,cros-ec-mkbp-proximity.yaml | 37 +++ .../bindings/mfd/google,cros-ec.yaml | 7 + drivers/iio/proximity/Kconfig | 11 + drivers/iio/proximity/Makefile | 1 + .../iio/proximity/cros_ec_mkbp_proximity.c | 242 ++++++++++++++++++ .../linux/platform_data/cros_ec_commands.h | 1 + 6 files changed, 299 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/proximity/google,cros-ec-mkbp-proximity.yaml create mode 100644 drivers/iio/proximity/cros_ec_mkbp_proximity.c base-commit: 19c329f6808995b142b3966301f217c831e7cf31 -- https://chromeos.dev