From patchwork Wed Sep 11 06:50:03 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 11140407 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0113914DB for ; Wed, 11 Sep 2019 06:50:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D496721D7D for ; Wed, 11 Sep 2019 06:50:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1568184634; bh=N1XEaQNzfvx6K7xwaJxikVXHz/mtYudkHdSG6tSbo+M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=IPoJCErPXQcV2OrXypTN5ubx+025BAuiPnxIqyvG1g5VIV8bVrgva+C9U3F1BUbln qLCJh0tbbx1USzVUB5YgXlzaVhBwSkkRULV6xI2BJfNSImEW9lDGlc3btbffqMkTPU nUUzsVA/3aALJAiAv+FAxPqzqsri1VuW2BZwMQGY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726965AbfIKGue (ORCPT ); Wed, 11 Sep 2019 02:50:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:43124 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726952AbfIKGue (ORCPT ); Wed, 11 Sep 2019 02:50:34 -0400 Received: from localhost.localdomain.com (nat-pool-mxp-t.redhat.com [149.6.153.186]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id C795721D79; Wed, 11 Sep 2019 06:50:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1568184633; bh=N1XEaQNzfvx6K7xwaJxikVXHz/mtYudkHdSG6tSbo+M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UtHVYoZiUeOC0ptLogm5IW1ebH3dHDO3sWOD7bL9RxP3UDf6/WqAam91N3589I3Ib ANyRy3DozHKj8evVGdIQ28BbbB2NJvXu0dlpmJmF8Xa4m31gOU9URoxm23led2IPZ0 1Hjlrskjdee5xv5zFVyp850zZh8SLqD7TA68Yqug= From: Lorenzo Bianconi To: jic23@kernel.org Cc: sean@geanix.com, lorenzo.bianconi@redhat.com, linux-iio@vger.kernel.org, mario.tesi@st.com, armando.visconti@st.com, denis.ciocca@st.com Subject: [PATCH 1/2] iio: imu: st_lsm6dsx: enable LIR for sensor events Date: Wed, 11 Sep 2019 08:50:03 +0200 Message-Id: <376b8e64aa95f686e46aa760934cd25d9f47833f.1568184231.git.lorenzo@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Enable Latched interrupt by default for sensor events Signed-off-by: Lorenzo Bianconi Tested-by: Sean Nyekjaer --- drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h | 2 ++ drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c | 35 ++++++++++++++++++++ 2 files changed, 37 insertions(+) diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h index 5e3cd96b0059..3ea0dc13d101 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx.h @@ -215,6 +215,7 @@ struct st_lsm6dsx_ext_dev_settings { * @fs_table: Hw sensors gain table (gain + val). * @decimator: List of decimator register info (addr + mask). * @batch: List of FIFO batching register info (addr + mask). + * @lir: Latched interrupt register info (addr + mask). * @fifo_ops: Sensor hw FIFO parameters. * @ts_settings: Hw timer related settings. * @shub_settings: i2c controller related settings. @@ -237,6 +238,7 @@ struct st_lsm6dsx_settings { struct st_lsm6dsx_fs_table_entry fs_table[2]; struct st_lsm6dsx_reg decimator[ST_LSM6DSX_MAX_ID]; struct st_lsm6dsx_reg batch[ST_LSM6DSX_MAX_ID]; + struct st_lsm6dsx_reg lir; struct st_lsm6dsx_fifo_ops fifo_ops; struct st_lsm6dsx_hw_ts_settings ts_settings; struct st_lsm6dsx_shub_settings shub_settings; diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c index 2d3495560136..a208da865efe 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c @@ -237,6 +237,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .mask = GENMASK(5, 3), }, }, + .lir = { + .addr = 0x58, + .mask = BIT(0), + }, .fifo_ops = { .update_fifo = st_lsm6dsx_update_fifo, .read_fifo = st_lsm6dsx_read_fifo, @@ -349,6 +353,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .mask = GENMASK(5, 3), }, }, + .lir = { + .addr = 0x58, + .mask = BIT(0), + }, .fifo_ops = { .update_fifo = st_lsm6dsx_update_fifo, .read_fifo = st_lsm6dsx_read_fifo, @@ -470,6 +478,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .mask = GENMASK(5, 3), }, }, + .lir = { + .addr = 0x58, + .mask = BIT(0), + }, .fifo_ops = { .update_fifo = st_lsm6dsx_update_fifo, .read_fifo = st_lsm6dsx_read_fifo, @@ -585,6 +597,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .mask = GENMASK(7, 4), }, }, + .lir = { + .addr = 0x56, + .mask = BIT(0), + }, .fifo_ops = { .update_fifo = st_lsm6dsx_update_fifo, .read_fifo = st_lsm6dsx_read_tagged_fifo, @@ -715,6 +731,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .mask = GENMASK(7, 4), }, }, + .lir = { + .addr = 0x56, + .mask = BIT(0), + }, .fifo_ops = { .update_fifo = st_lsm6dsx_update_fifo, .read_fifo = st_lsm6dsx_read_tagged_fifo, @@ -822,6 +842,10 @@ static const struct st_lsm6dsx_settings st_lsm6dsx_sensor_settings[] = { .mask = GENMASK(7, 4), }, }, + .lir = { + .addr = 0x56, + .mask = BIT(0), + }, .fifo_ops = { .update_fifo = st_lsm6dsx_update_fifo, .read_fifo = st_lsm6dsx_read_tagged_fifo, @@ -1416,6 +1440,17 @@ static int st_lsm6dsx_init_device(struct st_lsm6dsx_hw *hw) if (err < 0) return err; + /* enable Latched interrupts for device events */ + if (hw->settings->lir.addr) { + unsigned int data; + + data = ST_LSM6DSX_SHIFT_VAL(1, hw->settings->lir.mask); + err = regmap_update_bits(hw->regmap, hw->settings->lir.addr, + hw->settings->lir.mask, data); + if (err < 0) + return err; + } + err = st_lsm6dsx_init_shub(hw); if (err < 0) return err;