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[87.8.62.49]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3997f9955c0sm3258380f8f.3.2025.03.21.13.30.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Mar 2025 13:30:03 -0700 (PDT) From: Angelo Dureghello X-Google-Original-From: Angelo Dureghello Subject: [PATCH 0/4] iio: ad3552r-hs: add support for internal ramp generator Date: Fri, 21 Mar 2025 21:28:47 +0100 Message-Id: <20250321-wip-bl-ad3552r-fixes-v1-0-3c1aa249d163@baylibre.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAP/L3WcC/x3LSQqAMAxA0atI1gY6Ol1FXFQbNSAqLahQvLvF5 ePzE0QKTBG6IkGgiyMfe4YsC5hWty+E7LNBCWWFVhJvPnHc0HltrQo480MRjdNN1RozyVpAXs9 Af8hnP7zvB2PT81VmAAAA X-Change-ID: 20250321-wip-bl-ad3552r-fixes-4a386944c170 To: =?utf-8?q?Nuno_S=C3=A1?= , Jonathan Cameron , Lars-Peter Clausen , Jonathan Corbet , Olivier Moysan , Michael Hennerich Cc: linux-iio@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Angelo Dureghello X-Mailer: b4 0.14.2 Add support to enable the HDL IP core internal ramp generator, actually managed by the adi-axi-dac backend. It works this way: /sys/bus/iio/devices/iio:device0# echo 1 > buffer0/out_voltage0_en /sys/bus/iio/devices/iio:device0# echo 1 > buffer0/out_voltage1_en /sys/bus/iio/devices/iio:device0# echo 1 > buffer0/enable Activating ramp generator: /sys/kernel/debug/iio/iio:device0# echo -n backend-ramp-generator > data_source Deactivating: /sys/kernel/debug/iio/iio:device0# echo -n iio-buffer > data_source Signed-off-by: Angelo Dureghello --- Angelo Dureghello (4): docs: iio: add documentation for ad3552r driver iio: backend: add support for data source get iio: dac: adi-axi-dac: add data source get iio: dac: ad3552r-hs: add support for internal ramp Documentation/iio/ad3552r.rst | 65 +++++++++++++++++++++++ Documentation/iio/index.rst | 1 + MAINTAINERS | 1 + drivers/iio/dac/ad3552r-hs.c | 106 ++++++++++++++++++++++++++++++++++--- drivers/iio/dac/adi-axi-dac.c | 27 ++++++++++ drivers/iio/industrialio-backend.c | 28 ++++++++++ include/linux/iio/backend.h | 5 ++ 7 files changed, 227 insertions(+), 6 deletions(-) --- base-commit: eb870a5af7db1e5ca59330875125230b28e630f9 change-id: 20250321-wip-bl-ad3552r-fixes-4a386944c170 Best regards,