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Fri, 13 May 2022 12:41:39 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 193.8.40.94) smtp.mailfrom=leica-geosystems.com.cn; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=leica-geosystems.com.cn; Received-SPF: Pass (protection.outlook.com: domain of leica-geosystems.com.cn designates 193.8.40.94 as permitted sender) receiver=protection.outlook.com; client-ip=193.8.40.94; helo=aherlnxbspsrv01.lgs-net.com; Received: from aherlnxbspsrv01.lgs-net.com (193.8.40.94) by VE1EUR02FT036.mail.protection.outlook.com (10.152.13.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5250.13 via Frontend Transport; Fri, 13 May 2022 12:41:38 +0000 From: LI Qingwu To: jic23@kernel.org, lars@metafoo.de, robh+dt@kernel.org, tomas.melin@vaisala.com, andy.shevchenko@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Qing-wu.Li@leica-geosystems.com.cn Cc: linux-iio@vger.kernel.org, Rob Herring Subject: [PATCH V6 1/5] dt-bindings: iio: accel: sca3300: Document murata,scl3300 Date: Fri, 13 May 2022 12:41:31 +0000 Message-Id: <20220513124135.1295822-2-Qing-wu.Li@leica-geosystems.com.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220513124135.1295822-1-Qing-wu.Li@leica-geosystems.com.cn> References: <20220513124135.1295822-1-Qing-wu.Li@leica-geosystems.com.cn> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: db6415f9-1225-41a1-d92b-08da34ddecc9 X-MS-TrafficTypeDiagnostic: AS8PR06MB8120:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1102; X-OriginatorOrg: leica-geosystems.com.cn X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 May 2022 12:41:38.9070 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: db6415f9-1225-41a1-d92b-08da34ddecc9 X-MS-Exchange-CrossTenant-Id: 1b16ab3e-b8f6-4fe3-9f3e-2db7fe549f6a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=1b16ab3e-b8f6-4fe3-9f3e-2db7fe549f6a; Ip=[193.8.40.94]; Helo=[aherlnxbspsrv01.lgs-net.com] X-MS-Exchange-CrossTenant-AuthSource: VE1EUR02FT036.eop-EUR02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR06MB8120 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add DT bindings for Murata scl3300 inclinometer. Reviewed-by: Rob Herring Signed-off-by: LI Qingwu --- Documentation/devicetree/bindings/iio/accel/murata,sca3300.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/iio/accel/murata,sca3300.yaml b/Documentation/devicetree/bindings/iio/accel/murata,sca3300.yaml index 55fd3548e3b6..f6e2a16a710b 100644 --- a/Documentation/devicetree/bindings/iio/accel/murata,sca3300.yaml +++ b/Documentation/devicetree/bindings/iio/accel/murata,sca3300.yaml @@ -17,6 +17,7 @@ properties: compatible: enum: - murata,sca3300 + - murata,scl3300 reg: maxItems: 1 From patchwork Fri May 13 12:41:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LI Qingwu X-Patchwork-Id: 572282 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B7346C4332F for ; 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dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=leica-geosystems.com.cn; Received-SPF: Pass (protection.outlook.com: domain of leica-geosystems.com.cn designates 193.8.40.94 as permitted sender) receiver=protection.outlook.com; client-ip=193.8.40.94; helo=aherlnxbspsrv01.lgs-net.com; Received: from aherlnxbspsrv01.lgs-net.com (193.8.40.94) by VE1EUR02FT036.mail.protection.outlook.com (10.152.13.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5250.13 via Frontend Transport; Fri, 13 May 2022 12:41:39 +0000 From: LI Qingwu To: jic23@kernel.org, lars@metafoo.de, robh+dt@kernel.org, tomas.melin@vaisala.com, andy.shevchenko@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Qing-wu.Li@leica-geosystems.com.cn Cc: linux-iio@vger.kernel.org Subject: [PATCH V6 2/5] iio: accel: sca3300: add define for temp channel for reuse. 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Signed-off-by: LI Qingwu --- drivers/iio/accel/sca3300.c | 26 ++++++++++++++------------ 1 file changed, 14 insertions(+), 12 deletions(-) diff --git a/drivers/iio/accel/sca3300.c b/drivers/iio/accel/sca3300.c index f7ef8ecfd34a..ff16d2cc8c70 100644 --- a/drivers/iio/accel/sca3300.c +++ b/drivers/iio/accel/sca3300.c @@ -72,22 +72,24 @@ enum sca3300_scan_indexes { }, \ } +#define SCA3300_TEMP_CHANNEL(index, reg) { \ + .type = IIO_TEMP, \ + .address = reg, \ + .scan_index = index, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .scan_type = { \ + .sign = 's', \ + .realbits = 16, \ + .storagebits = 16, \ + .endianness = IIO_CPU, \ + }, \ +} + static const struct iio_chan_spec sca3300_channels[] = { SCA3300_ACCEL_CHANNEL(SCA3300_ACC_X, 0x1, X), SCA3300_ACCEL_CHANNEL(SCA3300_ACC_Y, 0x2, Y), SCA3300_ACCEL_CHANNEL(SCA3300_ACC_Z, 0x3, Z), - { - .type = IIO_TEMP, - .address = 0x5, - .scan_index = SCA3300_TEMP, - .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), - .scan_type = { - .sign = 's', - .realbits = 16, - .storagebits = 16, - .endianness = IIO_CPU, - }, - }, + SCA3300_TEMP_CHANNEL(SCA3300_TEMP, 0x05), IIO_CHAN_SOFT_TIMESTAMP(4), }; 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Fri, 13 May 2022 12:41:42 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 193.8.40.94) smtp.mailfrom=leica-geosystems.com.cn; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=leica-geosystems.com.cn; Received-SPF: Pass (protection.outlook.com: domain of leica-geosystems.com.cn designates 193.8.40.94 as permitted sender) receiver=protection.outlook.com; client-ip=193.8.40.94; helo=aherlnxbspsrv01.lgs-net.com; Received: from aherlnxbspsrv01.lgs-net.com (193.8.40.94) by VE1EUR02FT036.mail.protection.outlook.com (10.152.13.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5250.13 via Frontend Transport; Fri, 13 May 2022 12:41:42 +0000 From: LI Qingwu To: jic23@kernel.org, lars@metafoo.de, robh+dt@kernel.org, tomas.melin@vaisala.com, andy.shevchenko@gmail.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Qing-wu.Li@leica-geosystems.com.cn Cc: linux-iio@vger.kernel.org Subject: [PATCH V6 5/5] iio: accel: sca3300: Add inclination channels Date: Fri, 13 May 2022 12:41:35 +0000 Message-Id: <20220513124135.1295822-6-Qing-wu.Li@leica-geosystems.com.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220513124135.1295822-1-Qing-wu.Li@leica-geosystems.com.cn> References: <20220513124135.1295822-1-Qing-wu.Li@leica-geosystems.com.cn> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 06101efc-3151-4c3f-e3cf-08da34ddeea1 X-MS-TrafficTypeDiagnostic: HE1PR0601MB2698:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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DIR:OUT; SFP:1102; X-OriginatorOrg: leica-geosystems.com.cn X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 May 2022 12:41:42.0319 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 06101efc-3151-4c3f-e3cf-08da34ddeea1 X-MS-Exchange-CrossTenant-Id: 1b16ab3e-b8f6-4fe3-9f3e-2db7fe549f6a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=1b16ab3e-b8f6-4fe3-9f3e-2db7fe549f6a; Ip=[193.8.40.94]; Helo=[aherlnxbspsrv01.lgs-net.com] X-MS-Exchange-CrossTenant-AuthSource: VE1EUR02FT036.eop-EUR02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0601MB2698 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Different from SCA3300, SCL3300 can output inclination angles. Angles are formed from acceleration with following equations: ANG_X = atan2(accx , sqrt(pow(accy , 2) + pow(accz , 2))) ANG_Y = atan2(accy , sqrt(pow(accx , 2) + pow(accz , 2))) ANG_Z = atan2(accz , sqrt(pow(accx , 2) + pow(accy , 2))) The commit adds the output of the raw value, scale and scale_available of angles. New interfaces: in_incli_scale in_incli_scale_available in_incli_x_raw in_incli_y_raw in_incli_z_raw Data converted by application of scale to degrees. Signed-off-by: LI Qingwu --- drivers/iio/accel/sca3300.c | 82 +++++++++++++++++++++++++++++++++++-- 1 file changed, 79 insertions(+), 3 deletions(-) diff --git a/drivers/iio/accel/sca3300.c b/drivers/iio/accel/sca3300.c index 3dcb4296fad2..7060eba360ae 100644 --- a/drivers/iio/accel/sca3300.c +++ b/drivers/iio/accel/sca3300.c @@ -44,12 +44,18 @@ #define SCA3300_VALUE_RS_ERROR 0x3 #define SCA3300_MASK_RS_STATUS GENMASK(1, 0) +#define SCA3300_REG_ANG_CTRL 0x0C +#define SCA3300_ANG_ENABLE 0x1F + enum sca3300_scan_indexes { SCA3300_ACC_X = 0, SCA3300_ACC_Y, SCA3300_ACC_Z, SCA3300_TEMP, SCA3300_TIMESTAMP, + SCA3300_INCLI_X, + SCA3300_INCLI_Y, + SCA3300_INCLI_Z, }; #define SCA3300_ACCEL_CHANNEL(index, reg, axis) { \ @@ -73,6 +79,24 @@ enum sca3300_scan_indexes { }, \ } +#define SCA3300_INCLI_CHANNEL(index, reg, axis) { \ + .type = IIO_INCLI, \ + .address = reg, \ + .modified = 1, \ + .channel2 = IIO_MOD_##axis, \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type_available = \ + BIT(IIO_CHAN_INFO_SCALE), \ + .scan_index = index, \ + .scan_type = { \ + .sign = 's', \ + .realbits = 16, \ + .storagebits = 16, \ + .endianness = IIO_CPU, \ + }, \ +} + #define SCA3300_TEMP_CHANNEL(index, reg) { \ .type = IIO_TEMP, \ .address = reg, \ @@ -106,15 +130,36 @@ static const int sca3300_accel_scale_map[] = {0, 1, 2, 2}; static const int scl3300_accel_scale[][2] = {{0, 167}, {0, 333}, {0, 83}}; static const int scl3300_accel_scale_map[] = {0, 1, 2}; +static const int scl3300_incli_scale[][2] = {{0, 5495}}; +static const int scl3300_incli_scale_map[] = {0, 0, 0}; + static const int sca3300_avail_modes_map[] = {0, 1, 2, 3}; static const int scl3300_avail_modes_map[] = {0, 1, 3}; +static const struct iio_chan_spec scl3300_channels[] = { + SCA3300_ACCEL_CHANNEL(SCA3300_ACC_X, 0x1, X), + SCA3300_ACCEL_CHANNEL(SCA3300_ACC_Y, 0x2, Y), + SCA3300_ACCEL_CHANNEL(SCA3300_ACC_Z, 0x3, Z), + SCA3300_TEMP_CHANNEL(SCA3300_TEMP, 0x05), + IIO_CHAN_SOFT_TIMESTAMP(SCA3300_TIMESTAMP), + SCA3300_INCLI_CHANNEL(SCA3300_INCLI_X, 0x09, X), + SCA3300_INCLI_CHANNEL(SCA3300_INCLI_Y, 0x0A, Y), + SCA3300_INCLI_CHANNEL(SCA3300_INCLI_Z, 0x0B, Z), +}; + static const unsigned long sca3300_scan_masks[] = { BIT(SCA3300_ACC_X) | BIT(SCA3300_ACC_Y) | BIT(SCA3300_ACC_Z) | BIT(SCA3300_TEMP), 0 }; +static const unsigned long scl3300_scan_masks[] = { + BIT(SCA3300_ACC_X) | BIT(SCA3300_ACC_Y) | BIT(SCA3300_ACC_Z) | + BIT(SCA3300_TEMP) | + BIT(SCA3300_INCLI_X) | BIT(SCA3300_INCLI_Y) | BIT(SCA3300_INCLI_Z), + 0 +}; + struct sca3300_chip_info { const char *name; const unsigned long *scan_masks; @@ -123,14 +168,19 @@ struct sca3300_chip_info { u8 num_accel_scales; const int (*accel_scale)[2]; const int *accel_scale_map; + const int (*incli_scale)[2]; + const int *incli_scale_map; + u8 num_incli_scales; u8 num_freqs; const int *freq_table; const int *freq_map; const int *avail_modes_table; u8 num_avail_modes; u8 chip_id; + bool angle; }; + /** * struct sca3300_data - device data * @spi: SPI device structure @@ -160,19 +210,27 @@ static const struct sca3300_chip_info sca3300_chip_tbl[] = { .num_accel_scales = ARRAY_SIZE(sca3300_accel_scale)*2, .accel_scale = sca3300_accel_scale, .accel_scale_map = sca3300_accel_scale_map, + .incli_scale = NULL, + .incli_scale_map = NULL, + .num_incli_scales = 0, .num_freqs = ARRAY_SIZE(sca3300_lp_freq), .freq_table = sca3300_lp_freq, .freq_map = sca3300_lp_freq_map, .avail_modes_table = sca3300_avail_modes_map, .num_avail_modes = 4, .chip_id = SCA3300_WHOAMI_ID, + .angle = false, }, - { .scan_masks = sca3300_scan_masks, - .channels = sca3300_channels, - .num_channels = ARRAY_SIZE(sca3300_channels), + { + .scan_masks = scl3300_scan_masks, + .channels = scl3300_channels, + .num_channels = ARRAY_SIZE(scl3300_channels), .num_accel_scales = ARRAY_SIZE(scl3300_accel_scale)*2, .accel_scale = scl3300_accel_scale, .accel_scale_map = scl3300_accel_scale_map, + .incli_scale = scl3300_incli_scale, + .incli_scale_map = scl3300_incli_scale_map, + .num_incli_scales = ARRAY_SIZE(scl3300_incli_scale)*2, .num_freqs = ARRAY_SIZE(scl3300_lp_freq), .freq_table = scl3300_lp_freq, .freq_map = scl3300_lp_freq_map, @@ -180,6 +238,7 @@ static const struct sca3300_chip_info sca3300_chip_tbl[] = { .avail_modes_table = scl3300_avail_modes_map, .num_avail_modes = 3, .chip_id = SCL3300_WHOAMI_ID, + .angle = true, }, }; @@ -387,6 +446,11 @@ static int sca3300_read_raw(struct iio_dev *indio_dev, if (ret) return ret; switch (chan->type) { + case IIO_INCLI: + index = data->chip->incli_scale_map[index]; + *val = data->chip->incli_scale[index][0]; + *val2 = data->chip->incli_scale[index][1]; + return IIO_VAL_INT_PLUS_MICRO; case IIO_ACCEL: index = data->chip->accel_scale_map[index]; *val = data->chip->accel_scale[index][0]; @@ -473,6 +537,13 @@ static int sca3300_init(struct sca3300_data *sca_data, sca_data->chip = &sca3300_chip_tbl[i]; + if (sca_data->chip->angle) { + ret = sca3300_write_reg(sca_data, SCA3300_REG_ANG_CTRL, + SCA3300_ANG_ENABLE); + if (ret) + return ret; + } + return 0; } @@ -508,6 +579,11 @@ static int sca3300_read_avail(struct iio_dev *indio_dev, switch (mask) { case IIO_CHAN_INFO_SCALE: switch (chan->type) { + case IIO_INCLI: + *vals = (const int *)data->chip->incli_scale; + *length = data->chip->num_incli_scales; + *type = IIO_VAL_INT_PLUS_MICRO; + return IIO_AVAIL_LIST; case IIO_ACCEL: *vals = (const int *)data->chip->accel_scale; *length = data->chip->num_accel_scales;