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Wed, 27 Sep 2023 13:33:04 -0400 Received: from mail.andi.de1.cc (mail.andi.de1.cc [IPv6:2a02:c205:3004:2154::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8741F5; Wed, 27 Sep 2023 10:33:00 -0700 (PDT) Received: from p200300ccff4287001a3da2fffebfd33a.dip0.t-ipconnect.de ([2003:cc:ff42:8700:1a3d:a2ff:febf:d33a] helo=aktux) by mail.andi.de1.cc with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qlYP1-004Exw-P3; Wed, 27 Sep 2023 19:32:47 +0200 Received: from andi by aktux with local (Exim 4.96) (envelope-from ) id 1qlYP1-0091bG-07; Wed, 27 Sep 2023 19:32:47 +0200 From: Andreas Kemnade To: jic23@kernel.org, lars@metafoo.de, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, bcousson@baylibre.com, tony@atomide.com, andreas@kemnade.info, chenhuiz@axis.com, jean-baptiste.maneyrol@tdk.com, andy.shevchenko@gmail.com, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH v3 1/3] dt-bindings: iio: imu: mpu6050: Add level shifter Date: Wed, 27 Sep 2023 19:32:43 +0200 Message-Id: <20230927173245.2151083-2-andreas@kemnade.info> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230927173245.2151083-1-andreas@kemnade.info> References: <20230927173245.2151083-1-andreas@kemnade.info> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Wed, 27 Sep 2023 10:33:28 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778217410401268617 X-GMAIL-MSGID: 1778217410401268617 Add a level shifter flag as found in ancient platform data struct: level_shifter: 0: VLogic, 1: VDD Signed-off-by: Andreas Kemnade Acked-by: Jean-Baptiste Maneyrol Signed-off-by: Andreas Kemnade Acked-by: Rob Herring --- .../devicetree/bindings/iio/imu/invensense,mpu6050.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/imu/invensense,mpu6050.yaml b/Documentation/devicetree/bindings/iio/imu/invensense,mpu6050.yaml index 1db6952ddca5e..297b8a1a7ffbc 100644 --- a/Documentation/devicetree/bindings/iio/imu/invensense,mpu6050.yaml +++ b/Documentation/devicetree/bindings/iio/imu/invensense,mpu6050.yaml @@ -48,6 +48,11 @@ properties: mount-matrix: true + invensense,level-shifter: + type: boolean + description: | + From ancient platform data struct: false: VLogic, true: VDD + i2c-gate: $ref: /schemas/i2c/i2c-controller.yaml unevaluatedProperties: false From patchwork Wed Sep 27 17:32:44 2023 Content-Type: text/plain; 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[2620:137:e000::3:7]) by mx.google.com with ESMTPS id 132-20020a63018a000000b0055fce913d52si15648087pgb.761.2023.09.27.11.44.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Sep 2023 11:44:21 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) client-ip=2620:137:e000::3:7; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by snail.vger.email (Postfix) with ESMTP id 0C4DF8218E53; Wed, 27 Sep 2023 10:33:15 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at snail.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229561AbjI0RdF (ORCPT + 20 others); Wed, 27 Sep 2023 13:33:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55334 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229460AbjI0RdD (ORCPT ); Wed, 27 Sep 2023 13:33:03 -0400 Received: from mail.andi.de1.cc (mail.andi.de1.cc [IPv6:2a02:c205:3004:2154::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 76B2EEB; Wed, 27 Sep 2023 10:33:00 -0700 (PDT) Received: from p200300ccff4287001a3da2fffebfd33a.dip0.t-ipconnect.de ([2003:cc:ff42:8700:1a3d:a2ff:febf:d33a] helo=aktux) by mail.andi.de1.cc with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qlYP2-004Exz-51; Wed, 27 Sep 2023 19:32:47 +0200 Received: from andi by aktux with local (Exim 4.96) (envelope-from ) id 1qlYP1-0091bM-1L; Wed, 27 Sep 2023 19:32:47 +0200 From: Andreas Kemnade To: jic23@kernel.org, lars@metafoo.de, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, bcousson@baylibre.com, tony@atomide.com, andreas@kemnade.info, chenhuiz@axis.com, jean-baptiste.maneyrol@tdk.com, andy.shevchenko@gmail.com, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH v3 2/3] iio: imu: mpu6050: add level shifter flag Date: Wed, 27 Sep 2023 19:32:44 +0200 Message-Id: <20230927173245.2151083-3-andreas@kemnade.info> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230927173245.2151083-1-andreas@kemnade.info> References: <20230927173245.2151083-1-andreas@kemnade.info> MIME-Version: 1.0 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Wed, 27 Sep 2023 10:33:15 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778217397686720222 X-GMAIL-MSGID: 1778217397686720222 Some boards fail in magnetometer probe if level shifter flag is not set, definition was found in the vendor Linux kernel v3.0. Signed-off-by: Andreas Kemnade Reviewed-by: Andy Shevchenko Acked-by: Jean-Baptiste Maneyrol Signed-off-by: Andreas Kemnade Reviewed-by: Andy Shevchenko --- drivers/iio/imu/inv_mpu6050/inv_mpu_aux.c | 13 +++++++++++++ drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 3 +++ drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h | 1 + 3 files changed, 17 insertions(+) diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_aux.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_aux.c index 7327e5723f961..8a7f2911905af 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_aux.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_aux.c @@ -71,6 +71,19 @@ int inv_mpu_aux_init(const struct inv_mpu6050_state *st) unsigned int val; int ret; + /* + * Code based on the vendor Linux kernel v3.0, + * the exact meaning is unknown. + */ + if (st->chip_type == INV_MPU9150) { + unsigned int mask = BIT(7); + + val = st->level_shifter ? mask : 0; + ret = regmap_update_bits(st->map, 0x1, mask, val); + if (ret) + return ret; + } + /* configure i2c master */ val = INV_MPU6050_BITS_I2C_MST_CLK_400KHZ | INV_MPU6050_BIT_WAIT_FOR_ES; diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c index 29f906c884bd8..3fbeef1a70186 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include @@ -1495,6 +1496,8 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name, st->irq = irq; st->map = regmap; + st->level_shifter = device_property_read_bool(dev, + "invensense,level-shifter"); pdata = dev_get_platdata(dev); if (!pdata) { result = iio_read_mount_matrix(dev, &st->orientation); diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h index ed5a96e78df05..7eba1439c8093 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h @@ -203,6 +203,7 @@ struct inv_mpu6050_state { s32 magn_raw_to_gauss[3]; struct iio_mount_matrix magn_orient; unsigned int suspended_sensors; + bool level_shifter; u8 *data; }; From patchwork Wed Sep 27 17:32:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Kemnade X-Patchwork-Id: 145493 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:cae8:0:b0:403:3b70:6f57 with SMTP id r8csp2789983vqu; Wed, 27 Sep 2023 10:37:06 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFP2pb0aXE7LUUnCQ4LTYrQ5qoymUA84UsvuUms/h2bidqSV/9bkfvNDbH4Zg105P+ZXcnV X-Received: by 2002:a17:903:110e:b0:1bd:d911:2a85 with SMTP id n14-20020a170903110e00b001bdd9112a85mr2950175plh.12.1695836226726; Wed, 27 Sep 2023 10:37:06 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1695836226; cv=none; d=google.com; s=arc-20160816; b=K6TYhSMTLxh8jPLIJS/TiQfJrdXJmy6osW9x3EpDS0vi0kugD+aru3nxUPpqrl6SNB A3QKF9sduDHMwaeDCcKmsGvBk9ipnrGY4K1SNAeXEfjj060DtF2xFBzAkmOWfZu8Nr+p bU21Oehh8sBZcjGlDFVdodiap91mGnwTIRBEnbMNHayTRU5DyXZdIigv+j/fPXbTP+Ke p3bPgdrmOcLrBxmatltdEDTlxRT8mqvroFK4/WtwnkP9GcFA+66BO53XxKNm7WUc2UOX j2DjYcZL++uQG7HEXynBPmfZn79dJCXgqerOx9i65aXuCnyfEmcnP6lvkwQJooSfUUqW /XXQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:to:from; bh=DZtiuiAu2NHAU0Fk/ZmZ4wEe9j+erBR99fvh+tyApQI=; fh=uVMhKb/P8+EizzubcPWcViM8LxVsgVlwKzTll1iXK0Y=; b=Ct8tIkgURQyMIfGmrsZ7qBWu6WtrAH9v28us07JLzs81iB1bkRbbRrI8unfMHgof0q QxfJyJFPlpnlSfiN/64OTNFAant8NFUbFC+dxlxY5cPt6Ko7IW7NB8ZUL7uF3Xz4PFYi 6W1vZpm97UOHvLuYEVl4txRaqOaO7uE6VKWRqXf5kVDmY+yrzegzCHcuFvDjeSLT2+Z/ uE7jKr+36CALfvlr9BSKq/Hsrsh6rnqcEG3bWvZuJUUyc4xeO2tzJujruTK3LdDMXMBZ r1mgFT2qvfA5nnFfedletwi2MxuZ9DYD1Z3aM1fkxzHVuttTuqcbI5Z9s/v6AWU+pSvF 5fzg== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from agentk.vger.email (agentk.vger.email. [2620:137:e000::3:2]) by mx.google.com with ESMTPS id n9-20020a170902d2c900b001c60783985esi11796014plc.93.2023.09.27.10.37.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Sep 2023 10:37:06 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) client-ip=2620:137:e000::3:2; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:2 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by agentk.vger.email (Postfix) with ESMTP id 430388218869; Wed, 27 Sep 2023 10:33:29 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at agentk.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229623AbjI0RdI (ORCPT + 20 others); Wed, 27 Sep 2023 13:33:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55356 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229476AbjI0RdD (ORCPT ); Wed, 27 Sep 2023 13:33:03 -0400 Received: from mail.andi.de1.cc (mail.andi.de1.cc [IPv6:2a02:c205:3004:2154::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 76A79E5; Wed, 27 Sep 2023 10:32:59 -0700 (PDT) Received: from p200300ccff4287001a3da2fffebfd33a.dip0.t-ipconnect.de ([2003:cc:ff42:8700:1a3d:a2ff:febf:d33a] helo=aktux) by mail.andi.de1.cc with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qlYP2-004Ey1-FE; Wed, 27 Sep 2023 19:32:48 +0200 Received: from andi by aktux with local (Exim 4.96) (envelope-from ) id 1qlYP1-0091bQ-2R; Wed, 27 Sep 2023 19:32:47 +0200 From: Andreas Kemnade To: jic23@kernel.org, lars@metafoo.de, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, bcousson@baylibre.com, tony@atomide.com, andreas@kemnade.info, chenhuiz@axis.com, jean-baptiste.maneyrol@tdk.com, andy.shevchenko@gmail.com, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org Subject: [PATCH v3 3/3] ARM: dts: omap: omap4-embt2ws: Add IMU at control unit Date: Wed, 27 Sep 2023 19:32:45 +0200 Message-Id: <20230927173245.2151083-4-andreas@kemnade.info> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230927173245.2151083-1-andreas@kemnade.info> References: <20230927173245.2151083-1-andreas@kemnade.info> MIME-Version: 1.0 X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Wed, 27 Sep 2023 10:33:29 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778213167337411173 X-GMAIL-MSGID: 1778213167337411173 Add also the level-shifter flag to avoid probe failure in magnetometer probe. Signed-off-by: Andreas Kemnade --- .../boot/dts/ti/omap/omap4-epson-embt2ws.dts | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts index cd4f858d846ab..284a438fc5dcf 100644 --- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts +++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts @@ -391,7 +391,16 @@ tlv320aic3x: codec@18 { reset-gpios = <&gpio2 23 GPIO_ACTIVE_LOW>; }; - /* TODO: mpu9150 at control unit, seems to require quirks */ + mpu9150: imu@68 { + compatible = "invensense,mpu9150"; + reg = <0x68>; + + pinctrl-names = "default"; + pinctrl-0 = <&mpu9150_pins>; + interrupt-parent = <&gpio2>; + interrupt = <7 IRQ_TYPE_LEVEL_HIGH>; + invensense,level-shifter; + }; }; &keypad { @@ -530,6 +539,12 @@ OMAP4_IOPAD(0x0fc, PIN_INPUT | MUX_MODE0) /* abe_mcbsp2_fsx */ >; }; + mpu9150_pins: pinmux-mpu9150-pins { + pinctrl-single,pins = < + OMAP4_IOPAD(0x5e, PIN_INPUT_PULLUP | MUX_MODE3) + >; + }; + mpu9150h_pins: pinmux-mpu9150h-pins { pinctrl-single,pins = < OMAP4_IOPAD(0x76, PIN_INPUT_PULLUP | MUX_MODE3)