From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) (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 1036D3D5255 for ; Tue, 10 Mar 2026 17:48:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.49 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773164939; cv=none; b=JdumxRDnlX8qzIBi6R+JPEskkbuBAVov2zFVruGAa3cysjKAZ9zNcAOiWeESMHT/JERU1GfDsmf9vj8+Csx15D7CKcGR+AYxU9Xf0NL29cvePT1MZcPlUWqV5rqUDueY5AUqLYZkMP59ioqDa/lEbcwLl557mqsI7GNNP21FU9k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773164939; c=relaxed/simple; bh=RwbHXRCoVmTWoeGYZD5/ykMLkxfjTwmcVo/8jjaLucI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bV2FW4OXm2MJydt/bJSbHd9KCKyMvvEXzRNL0EF4odbIKLiFfOid3Pu4G6oKvq/EOUMa+9d7EpVIi6HMq7yplbP3jk8Dd2Mj1ind5QXNqR3DgOGZPoH1xXHYtPYY4AbE48rUNLdq4zNYsEpvFrrWrN3GX5lN/gsjEfBOexlhUkA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=MP1ZjwMk; arc=none smtp.client-ip=209.85.128.49 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="MP1ZjwMk" Received: by mail-wm1-f49.google.com with SMTP id 5b1f17b1804b1-4852afd42ceso38756425e9.2 for ; Tue, 10 Mar 2026 10:48:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1773164934; x=1773769734; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=q3ExWVYtTjOCeiXkdLArD0AHGSvrIoXmw1MBLiE6OHE=; b=MP1ZjwMkLhpKIMrUsE5TyKhpzwzbxU83503eEVGKSuaap6BuyNhsKSkK8dwQlSf9lz DI3unISjDRHmXaBp0HqSDvM7Jdp7QG3zCXDD4331upsEMQcp1PoNbXof1yXVao80p7o1 970IiIfiwxxoYHvCCTJG/67NySbpAB45ZwHljGoaT72BM7ZLiPlsJe9tdlO4LbAIOsiT jDQUNPf695acW8LLfE79z/6JKYO5rFKpPvJVbC0t55aRqBytMmiBTM/c0TW6IoBRBAJO 5ROKZ481TRJ8+5K7eerHRgZCUJ30C8MZKICIxYD5xoBeoT82SkVHKaPx1nksXe54diTa dvng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773164934; x=1773769734; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=q3ExWVYtTjOCeiXkdLArD0AHGSvrIoXmw1MBLiE6OHE=; b=g7P8Ia8xb2Jqe+VJFXNBr5bx6+bp+C4BCvFT6BHYJ06oqS4vld+wmYYJ94jaK2zeP4 QjT2p6h60g9Ptmy9qZPrAeLBM8Dqm5zCjt1D6Yc8fuY1Bmq+QLO6FgJrJKb6Z6H30Cb3 7+YMan1ikQRGBsNSfYoBndwxXtmjmlWOCmWPyA/DlOX6w5S1GOqzr0ROb2c2FRoIXjfm Dc4jTD8wnDqXlj1ctJ5YYRtd9qV3S49TX6smsmv1IoJy20y0Mb+AnQQr06BleQPiuLCY pG3+fM7ZxVtFqhQLzUXO9aHSFASSl8Wcd00QBJKZrrPONpcCoYBgInlxT15xczYGxfhS Vizw== X-Forwarded-Encrypted: i=1; AJvYcCVeu8SvB+XoB4XjsCW4gqy15RaWwl2ZGtzKyThNp1/UGoLzqOQN65NRk897pC8FDbmT5w+UY6xabmY=@vger.kernel.org X-Gm-Message-State: AOJu0YyQqRwJsiTKY4Cy6NwmNhJQH+aEPkY0NEBGroF3kJr3raLXa46C gkdi+/Z6+R3BOIxJGC657K5xmXkBHO+jF7b1jICnQZ9OJ7VmWpZCVYyi X-Gm-Gg: ATEYQzzEA1ESkK/eUOPr49XoH6ymQn7d+sUyxkVLapE8HDYnGFWZXBCYDeru74qzlGd VBqG6VYORJJMm3ckEvkHR8bCBK7IO4tlM7inVEy6e4S/oV+XJq88RWAP5S007WF//32LU2tXKWV 2PRYnB1z4BLXXEL7Hy39t7sYOyiijSFTrlC5O/ctBAS28hVOSHfAzR2OiwgFoYQWG0vRJo2nTn+ ZWoZ1iwyYA6M6cvztHCyEWpegyOvySJLqCl6q7T30s+IMLMC4w2EX1aNVKmrjk2BrOvzY3DOQXn 7SyttVIzNA1H5NRnZdVvmKvE0hICl42S260qM/XScm3JOM4MH3ZvN2jWAQ+Cbr6NgtAcFLwOI2D jT/s7SxSlY/2h21zMLChyJR3RP3XRPmCahOZhgxQajUO3htYnzhDzmQTnGRRfAOREqOqjl7BjuJ yHZ9dR9JvuUx5s86OZKR/kmoP0pifyhck2+y2bsBnYy7d3Pro28gVigU9akA== X-Received: by 2002:a05:6000:2881:b0:437:711c:8754 with SMTP id ffacd0b85a97d-439da55541cmr29415959f8f.7.1773164933500; Tue, 10 Mar 2026 10:48:53 -0700 (PDT) Received: from db07.1337.ma ([197.230.240.146]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-439dae45786sm42986166f8f.32.2026.03.10.10.48.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Mar 2026 10:48:52 -0700 (PDT) From: Taha Ed-Dafili <0rayn.dev@gmail.com> To: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, skhan@linuxfoundation.org, me@brighamcampbell.com, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Taha Ed-Dafili <0rayn.dev@gmail.com> Subject: [PATCH v2 5/5] iio: dac: ad5504: add optional GPIO control for CLR and LDAC Date: Tue, 10 Mar 2026 17:48:35 +0000 Message-ID: <20260310174835.24209-6-0rayn.dev@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260310174835.24209-1-0rayn.dev@gmail.com> References: <20260310174835.24209-1-0rayn.dev@gmail.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add support for the optional 'clear-gpios' and 'ldac-gpios' properties defined in the device tree bindings. Use devm_gpiod_get_optional() with GPIOD_OUT_LOW to ensure the pins are initialized to their inactive state. Signed-off-by: Taha Ed-Dafili <0rayn.dev@gmail.com> --- drivers/iio/dac/ad5504.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c index cd563460fc0a..58538f5263fc 100644 --- a/drivers/iio/dac/ad5504.c +++ b/drivers/iio/dac/ad5504.c @@ -7,7 +7,9 @@ #include #include +#include #include +#include #include #include #include @@ -48,6 +50,8 @@ * @vref_mv: actual reference voltage used * @pwr_down_mask: power down mask * @pwr_down_mode: current power down mode + * @gpio_clear: GPIO descriptor for the /CLR pin + * @gpio_ldac: GPIO descriptor for the /LDAC pin * @data: transfer buffer */ struct ad5504_state { @@ -56,6 +60,8 @@ struct ad5504_state { unsigned short vref_mv; unsigned pwr_down_mask; unsigned pwr_down_mode; + struct gpio_desc *gpio_clear; + struct gpio_desc *gpio_ldac; __be16 data[2] __aligned(IIO_DMA_MINALIGN); }; @@ -299,6 +305,14 @@ static int ad5504_probe(struct spi_device *spi) if (pdata && pdata->vref_mv) st->vref_mv = pdata->vref_mv; + st->gpio_clear = devm_gpiod_get_optional(dev, "clear", GPIOD_OUT_LOW); + if (IS_ERR(st->gpio_clear)) + return PTR_ERR(st->gpio_clear); + + st->gpio_ldac = devm_gpiod_get_optional(dev, "ldac", GPIOD_OUT_LOW); + if (IS_ERR(st->gpio_ldac)) + return PTR_ERR(st->gpio_ldac); + st->spi = spi; indio_dev->name = spi_get_device_id(st->spi)->name; indio_dev->info = &ad5504_info; -- 2.47.3