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[2.15.94.169]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-381c113e694sm1187547f8f.86.2024.10.31.00.17.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 31 Oct 2024 00:17:50 -0700 (PDT) From: ahaslam@baylibre.com To: lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, nuno.sa@analog.com, dlechner@baylibre.com Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Axel Haslam , Krzysztof Kozlowski Subject: [PATCH v3 1/6] dt-bindings: iio: dac: ad5791: Add optional reset, clr and ldac gpios Date: Thu, 31 Oct 2024 08:17:41 +0100 Message-Id: <20241031071746.848694-2-ahaslam@baylibre.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241031071746.848694-1-ahaslam@baylibre.com> References: <20241031071746.848694-1-ahaslam@baylibre.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Axel Haslam Depending on board layout, the ad57xx may need control of reset, clear, and ldac pins by the host driver. Add optional bindings for these gpios. Reviewed-by: David Lechner Reviewed-by: Krzysztof Kozlowski Signed-off-by: Axel Haslam --- .../devicetree/bindings/iio/dac/adi,ad5791.yaml | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml b/Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml index c81285d84db7..fe664378c966 100644 --- a/Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml +++ b/Documentation/devicetree/bindings/iio/dac/adi,ad5791.yaml @@ -31,6 +31,17 @@ properties: gain of two configuration. type: boolean + reset-gpios: + maxItems: 1 + + clear-gpios: + maxItems: 1 + + ldac-gpios: + description: + LDAC pin to be used as a hardware trigger to update the DAC channels. + maxItems: 1 + required: - compatible - reg @@ -44,6 +55,7 @@ unevaluatedProperties: false examples: - | + #include spi { #address-cells = <1>; #size-cells = <0>; @@ -53,6 +65,9 @@ examples: reg = <0>; vss-supply = <&dac_vss>; vdd-supply = <&dac_vdd>; + reset-gpios = <&gpio_bd 16 GPIO_ACTIVE_LOW>; + clear-gpios = <&gpio_bd 17 GPIO_ACTIVE_LOW>; + ldac-gpios = <&gpio_bd 18 GPIO_ACTIVE_HIGH>; }; }; ...