From patchwork Sun Sep 24 22:25:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Kemnade X-Patchwork-Id: 725903 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 99912FC0F for ; Sun, 24 Sep 2023 22:26:22 +0000 (UTC) Received: from mail.andi.de1.cc (mail.andi.de1.cc [IPv6:2a02:c205:3004:2154::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E83D9FC; Sun, 24 Sep 2023 15:26:19 -0700 (PDT) Received: from p200300ccff1ebc001a3da2fffebfd33a.dip0.t-ipconnect.de ([2003:cc:ff1e:bc00:1a3d: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 1qkXYA-00492D-TR; Mon, 25 Sep 2023 00:26:02 +0200 Received: from andi by aktux with local (Exim 4.96) (envelope-from ) id 1qkXYA-008YN2-0Q; Mon, 25 Sep 2023 00:26:02 +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, jean-baptiste.maneyrol@tdk.com, chenhuiz@axis.com, andreas@kemnade.info, 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 2/3] iio: imu: mpu6050: add level shifter flag Date: Mon, 25 Sep 2023 00:25:58 +0200 Message-Id: <20230924222559.2038721-3-andreas@kemnade.info> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230924222559.2038721-1-andreas@kemnade.info> References: <20230924222559.2038721-1-andreas@kemnade.info> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 Some boards fail in magnetometer probe if flag is not set. Signed-off-by: Andreas Kemnade --- drivers/iio/imu/inv_mpu6050/inv_mpu_aux.c | 5 +++++ drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 3 +++ drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h | 1 + 3 files changed, 9 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..15dbe88ff8c43 100644 --- a/drivers/iio/imu/inv_mpu6050/inv_mpu_aux.c +++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_aux.c @@ -71,6 +71,11 @@ int inv_mpu_aux_init(const struct inv_mpu6050_state *st) unsigned int val; int ret; + ret = regmap_update_bits(st->map, 0x1, 0x80, + st->level_shifter ? 0x80 : 0); + 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..21cf794a41561 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_present(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 Sun Sep 24 22:25:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Kemnade X-Patchwork-Id: 725904 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D952EDF61 for ; Sun, 24 Sep 2023 22:26:21 +0000 (UTC) Received: from mail.andi.de1.cc (mail.andi.de1.cc [IPv6:2a02:c205:3004:2154::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D40AD83; Sun, 24 Sep 2023 15:26:19 -0700 (PDT) Received: from p200300ccff1ebc001a3da2fffebfd33a.dip0.t-ipconnect.de ([2003:cc:ff1e:bc00:1a3d: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 1qkXYB-00492H-83; Mon, 25 Sep 2023 00:26:02 +0200 Received: from andi by aktux with local (Exim 4.96) (envelope-from ) id 1qkXYA-008YN6-1b; Mon, 25 Sep 2023 00:26:02 +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, jean-baptiste.maneyrol@tdk.com, chenhuiz@axis.com, andreas@kemnade.info, 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 3/3] ARM: dts: omap: omap4-embt2ws: Add IMU at control unit Date: Mon, 25 Sep 2023 00:25:59 +0200 Message-Id: <20230924222559.2038721-4-andreas@kemnade.info> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230924222559.2038721-1-andreas@kemnade.info> References: <20230924222559.2038721-1-andreas@kemnade.info> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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 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..0e6b050d588ac 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)