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[83.23.177.239]) by smtp.gmail.com with ESMTPSA id k128sm12271795wmd.37.2018.12.09.05.54.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 09 Dec 2018 05:54:29 -0800 (PST) From: cezary.gapinski@gmail.com To: Mark Brown , linux-spi@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Rob Herring , devicetree@vger.kernel.org Cc: Maxime Coquelin , Alexandre Torgue , Amelie Delaunay , Mark Rutland , Cezary Gapinski Subject: [PATCH 5/5] spi: stm32: add description about STM32F4 bindings Date: Sun, 9 Dec 2018 14:53:56 +0100 Message-Id: <1544363636-12161-6-git-send-email-cezary.gapinski@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1544363636-12161-1-git-send-email-cezary.gapinski@gmail.com> References: <1544363636-12161-1-git-send-email-cezary.gapinski@gmail.com> Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Cezary Gapinski Add description that STM32F4 can be used in compatible property. Master Inter-Data Idleness optional property cannot be used in STM32F4. Signed-off-by: Cezary Gapinski Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/spi/spi-stm32.txt | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/Documentation/devicetree/bindings/spi/spi-stm32.txt b/Documentation/devicetree/bindings/spi/spi-stm32.txt index 1b3fa2c1..d82755c 100644 --- a/Documentation/devicetree/bindings/spi/spi-stm32.txt +++ b/Documentation/devicetree/bindings/spi/spi-stm32.txt @@ -7,7 +7,9 @@ from 4 to 32-bit data size. Although it can be configured as master or slave, only master is supported by the driver. Required properties: -- compatible: Must be "st,stm32h7-spi". +- compatible: Should be one of: + "st,stm32h7-spi" + "st,stm32f4-spi" - reg: Offset and length of the device's register set. - interrupts: Must contain the interrupt id. - clocks: Must contain an entry for spiclk (which feeds the internal clock @@ -30,8 +32,9 @@ Child nodes represent devices on the SPI bus See ../spi/spi-bus.txt Optional properties: -- st,spi-midi-ns: (Master Inter-Data Idleness) minimum time delay in - nanoseconds inserted between two consecutive data frames. +- st,spi-midi-ns: Only for STM32H7, (Master Inter-Data Idleness) minimum time + delay in nanoseconds inserted between two consecutive data + frames. Example: