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Fri, 16 May 2025 04:26:49 -0400 From: Antoniu Miclaus To: , , , , , CC: Antoniu Miclaus , =?UTF-8?q?Nuno=20S=C3=A1?= Subject: [PATCH v6 07/10] iio: adc: adi-axi-adc: add num lanes support Date: Fri, 16 May 2025 11:26:27 +0300 Message-ID: <20250516082630.8236-8-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250516082630.8236-1-antoniu.miclaus@analog.com> References: <20250516082630.8236-1-antoniu.miclaus@analog.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: -_uAEg0jDYyWMf0mK5ot8Os2je2MZczU X-Authority-Analysis: v=2.4 cv=MvdS63ae c=1 sm=1 tr=0 ts=6826f6d0 cx=c_pps a=PpDZqlmH/M8setHirZLBMw==:117 a=PpDZqlmH/M8setHirZLBMw==:17 a=IkcTkHD0fZMA:10 a=dt9VzEwgFbYA:10 a=gAnH3GRIAAAA:8 a=MtuLGBRfhagEvKnVNLsA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-ORIG-GUID: -_uAEg0jDYyWMf0mK5ot8Os2je2MZczU X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNTE2MDA3OSBTYWx0ZWRfX7MgyCAw8iGrO GGtUJk8h1o6rBN95xdd3Io1oIQvoiYTTKdQcaBlbun+PykJeS1X6zljJePsk+1uYJij9YyiLCs7 CmAr18qRiQtHVldVRiHJhKYe/Fz7bxo+bRs+BTR03bXHi9UZW7u2EmZq8q6cDRfxjXAeK29Y2rO lCnzgucLvQw4rlchUtF4sSFfiTfymMgI0Ud7bqrgSY/N65wVSjHRFzSCilNzfhAxjadIhDhjxTa lzE+e4QAMDROLWK/gvJlWqWpJM/kIe6T2tEn3lOFecBLXBBsMO3yi87pWmZjIjmOq0D16+BnE/z EFGJ4XhM2pwNg4ohRK2ioAp0CgdDQSiSODxmRdbrxC+eyuyysNOyr8TkpjOeU+y3V/rE0f+QC+v lCn2OKSGT9ddlXDdjZ/rDjoHvVppBis8APFqWyRDGmE3ZaRSxDiFM5S+Y6D1bTZvv+TRmsYU X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-05-16_03,2025-05-15_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 impostorscore=0 adultscore=0 malwarescore=0 mlxlogscore=999 suspectscore=0 bulkscore=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 phishscore=0 clxscore=1015 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505070000 definitions=main-2505160079 Add support for setting the number of lanes enabled. Reviewed-by: Nuno Sá Signed-off-by: Antoniu Miclaus --- no changes in v6. drivers/iio/adc/adi-axi-adc.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index f9c4018e3b41..d9a14fb6b8e8 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -44,6 +44,7 @@ #define ADI_AXI_ADC_REG_CONFIG_CMOS_OR_LVDS_N BIT(7) #define ADI_AXI_ADC_REG_CTRL 0x0044 +#define ADI_AXI_ADC_CTRL_NUM_LANES_MSK GENMASK(12, 8) #define ADI_AXI_ADC_CTRL_SYNC_MSK BIT(3) #define ADI_AXI_ADC_CTRL_DDR_EDGESEL_MASK BIT(1) @@ -439,6 +440,19 @@ static int axi_adc_ad408x_interface_data_align(struct iio_backend *back, 1, timeout_us); } +static int axi_adc_num_lanes_set(struct iio_backend *back, + unsigned int num_lanes) +{ + struct adi_axi_adc_state *st = iio_backend_get_priv(back); + + if (!num_lanes) + return -EINVAL; + + return regmap_update_bits(st->regmap, ADI_AXI_ADC_REG_CTRL, + ADI_AXI_ADC_CTRL_NUM_LANES_MSK, + FIELD_PREP(ADI_AXI_ADC_CTRL_NUM_LANES_MSK, num_lanes)); +} + static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back, struct iio_dev *indio_dev) { @@ -629,6 +643,7 @@ static const struct iio_backend_ops adi_ad408x_ops = { .data_sample_trigger = axi_adc_data_sample_trigger, .filter_type_set = axi_adc_ad408x_filter_type_set, .interface_data_align = axi_adc_ad408x_interface_data_align, + .num_lanes_set = axi_adc_num_lanes_set, .debugfs_reg_access = iio_backend_debugfs_ptr(axi_adc_reg_access), .debugfs_print_chan_status = iio_backend_debugfs_ptr(axi_adc_debugfs_print_chan_status), }; -- 2.49.0