From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ot1-f54.google.com (mail-ot1-f54.google.com [209.85.210.54]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CC10E1D0157 for ; Fri, 1 Nov 2024 19:26:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.54 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730489188; cv=none; b=Cbc0Zi9GyEBELjtXQHZg9ZFEoxu0IK3t9mqeexItFywm0V8lWxI+5TjNZDNGfIcSojpoJoVJfSfHXiVwK+wq0KmU5GddetYLQv71Kmm7WGsepwSm7Eb+rmpZQD47ueSUPiJRhfXOkpLVTUCBHJvPR3kd5JAA9ODppLCebaMja7A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730489188; c=relaxed/simple; bh=5YQIiDu0dUlJHULMrj11OKIb/F1m9NxdbYFo8bpLXbI=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=fonvWpz2R/ZILXXdzUgYbLTTw1+uqDoaRjAHL0Tkc1uLjw6VPi3SQeIq3/kAlP+bntwCTEtxhEQTpn4VsOzQgMUGqpL+2vHfVNmuYLiA2SpbYO0KcQJijmD7UNYVLAGWlbDYlts3kAbC3sZd9VeIY1V7zl/4mgePU/iI8bz1h1Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=LwSQ9dA8; arc=none smtp.client-ip=209.85.210.54 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="LwSQ9dA8" Received: by mail-ot1-f54.google.com with SMTP id 46e09a7af769-7180a5ba498so1008300a34.2 for ; Fri, 01 Nov 2024 12:26:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1730489185; x=1731093985; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id:from :to:cc:subject:date:message-id:reply-to; bh=OSXJbaaZjYaOy9jDlQqwtzCh35NpZ0KX5EKFSupi5Yw=; b=LwSQ9dA8reOOTsnRVD+Qk8RQHjAwDXy250S81qKE0tVH9VNlQpvwGI/aFPo/4US2gx Sc+EFiLoAyXIZsaaJUEjktSitacecrfX47p2kKl1+pNG0CB6RMcVAVsmIcAX+ZQu8Ayh MO4JjKpOy4nYV2P+G4wA7kH6nVBFsHIQ1C7e3m//6rdVbG3Nrqu6F8pS+OOKyuommSHe BZqGk9kvXkVfZMhzFfIalDToVUYajVz8FbS6PrT5eIqwj6XcfQ1OaLs+sT/gnx0Kvjvc gPXwuS0E1cdBo/uu3M/Pu3bcUDP+aMfOTTE0LRZIQpYZpsoUqq3dlfRiPtjz4qDvhMY5 ivNQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730489185; x=1731093985; h=content-transfer-encoding:in-reply-to:from:content-language :references:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=OSXJbaaZjYaOy9jDlQqwtzCh35NpZ0KX5EKFSupi5Yw=; b=cQ1vC+Yt97ub55CxeAdfXLkQX5+ZJNFYkcFr6uUtPtXH0RB815IEfraoJMRCCt+CX8 iKEr3fLNi2m1KWQ03eRx5EcYv6BjgvBJrxy807H4qGfGjIano/l8SYxRZqEp+JkPxiAk MBQeCQUaB2SVjnBCqL/lt4TMXSZCuaRCpiWYK62/d8lL5lekk8qIS7rmeL3iPpunEWDb e+36HFz/JWly8yldcQqmq/mWCny5CzNcSZ0r8hLmL9WSYwKk24xNPrCrDoeTAa0DvFRr 1zZM0UNxSLNqRWfFjIa9GCcI3jWeUGIvmlHmgEXsKV9I1/JTeNJT5nbXQQe52a42Uh9W GWkQ== X-Forwarded-Encrypted: i=1; AJvYcCW2CMmvDfqYLTzmTq/9kq8MMv55zwK3j9TgkM5NMH6o0vDdDhuxeV2nZ/uAfRnGPvd4mDdkeo3ybfcp@vger.kernel.org X-Gm-Message-State: AOJu0YzHArA1R/+i36bMNyuo9GCO6Ji/xNy7iDgIJZlzftbJjavznd60 0m7GBA+JlZcCHf2/6svjYvUO2a+OttQpoNFTvCCR81M50IqWnex72MGTkZKez9Q= X-Google-Smtp-Source: AGHT+IFn0omlwGkmEwEHPxzlpz5Xt8pkBY2VI53QJJufULOaAOfpzCfWQfonqed9e6SbxptQhnksgQ== X-Received: by 2002:a05:6870:ab8d:b0:278:222c:98c4 with SMTP id 586e51a60fabf-294647c553fmr10961567fac.21.1730489184823; Fri, 01 Nov 2024 12:26:24 -0700 (PDT) Received: from [192.168.0.142] (ip98-183-112-25.ok.ok.cox.net. [98.183.112.25]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-29487485e8csm1249796fac.17.2024.11.01.12.26.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 01 Nov 2024 12:26:23 -0700 (PDT) Message-ID: Date: Fri, 1 Nov 2024 14:26:21 -0500 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 3/6] iio: adc: adi-axi-adc: add interface type To: Antoniu Miclaus , jic23@kernel.org, conor+dt@kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pwm@vger.kernel.org References: <20241101112358.22996-1-antoniu.miclaus@analog.com> <20241101112358.22996-4-antoniu.miclaus@analog.com> Content-Language: en-US From: David Lechner In-Reply-To: <20241101112358.22996-4-antoniu.miclaus@analog.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/1/24 6:23 AM, Antoniu Miclaus wrote: > Add support for getting the interface (CMOS or LVDS) used by the AXI ADC > IP. > > Signed-off-by: Antoniu Miclaus > --- Reviewed-by: David Lechner > changes in v5: > - use IIO_BACKEND_INTERFACE_SERIAL_CMOS and IIO_BACKEND_INTERFACE_SERIAL_LVDS > drivers/iio/adc/adi-axi-adc.c | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c > index 5c8c87eb36d1..f6475bc93796 100644 > --- a/drivers/iio/adc/adi-axi-adc.c > +++ b/drivers/iio/adc/adi-axi-adc.c > @@ -39,6 +39,9 @@ > #define ADI_AXI_REG_RSTN_MMCM_RSTN BIT(1) > #define ADI_AXI_REG_RSTN_RSTN BIT(0) > > +#define ADI_AXI_ADC_REG_CONFIG 0x000c > +#define ADI_AXI_ADC_REG_CONFIG_CMOS_OR_LVDS_N BIT(7) > + > #define ADI_AXI_ADC_REG_CTRL 0x0044 > #define ADI_AXI_ADC_CTRL_DDR_EDGESEL_MASK BIT(1) > > @@ -290,6 +293,25 @@ static int axi_adc_chan_disable(struct iio_backend *back, unsigned int chan) > ADI_AXI_REG_CHAN_CTRL_ENABLE); > } > > +static int axi_adc_interface_type_get(struct iio_backend *back, > + enum iio_backend_interface_type *type) > +{ > + struct adi_axi_adc_state *st = iio_backend_get_priv(back); > + unsigned int val; > + int ret; > + > + ret = regmap_read(st->regmap, ADI_AXI_ADC_REG_CONFIG, &val); > + if (ret) > + return ret; > + > + if (val & ADI_AXI_ADC_REG_CONFIG_CMOS_OR_LVDS_N) FIELD_GET() also works here. > + *type = IIO_BACKEND_INTERFACE_SERIAL_CMOS; > + else > + *type = IIO_BACKEND_INTERFACE_SERIAL_LVDS; > + > + return 0; > +} > + > static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back, > struct iio_dev *indio_dev) > { > @@ -337,6 +359,7 @@ static const struct iio_backend_ops adi_axi_adc_ops = { > .iodelay_set = axi_adc_iodelays_set, > .test_pattern_set = axi_adc_test_pattern_set, > .chan_status = axi_adc_chan_status, > + .interface_type_get = axi_adc_interface_type_get, > .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), > };