From: cezary.gapinski@gmail.com
To: Mark Brown <broonie@kernel.org>,
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 <robh+dt@kernel.org>,
devicetree@vger.kernel.org
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
Amelie Delaunay <amelie.delaunay@st.com>,
Mark Rutland <mark.rutland@arm.com>,
Cezary Gapinski <cezary.gapinski@gmail.com>
Subject: [PATCH 5/5] spi: stm32: add description about STM32F4 bindings
Date: Sun, 9 Dec 2018 14:53:56 +0100 [thread overview]
Message-ID: <1544363636-12161-6-git-send-email-cezary.gapinski@gmail.com> (raw)
In-Reply-To: <1544363636-12161-1-git-send-email-cezary.gapinski@gmail.com>
From: Cezary Gapinski <cezary.gapinski@gmail.com>
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 <cezary.gapinski@gmail.com>
---
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:
--
2.7.4
next prev parent reply other threads:[~2018-12-09 13:54 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-09 13:53 [PATCH 0/5] Add support for STM32F4 SPI cezary.gapinski
2018-12-09 13:53 ` [PATCH 1/5] spi: stm32: rename STM32 SPI registers and functions to STM32H7 cezary.gapinski
2018-12-09 13:53 ` [PATCH 2/5] spi: stm32: rename spi-stm32 to spi-stm32h7 cezary.gapinski
2018-12-09 13:53 ` [PATCH 3/5] spi: stm32: add driver for STM32F4 controller cezary.gapinski
2018-12-09 13:53 ` [PATCH 4/5] ARM: dts: stm32: add SPI support on STM32F429 SoC cezary.gapinski
2019-02-04 8:23 ` Alexandre Torgue
2018-12-09 13:53 ` cezary.gapinski [this message]
2018-12-14 22:48 ` [PATCH 5/5] spi: stm32: add description about STM32F4 bindings kbuild test robot
2018-12-20 19:49 ` Rob Herring
2018-12-10 12:37 ` [PATCH 0/5] Add support for STM32F4 SPI Amelie DELAUNAY
2018-12-10 19:05 ` Cezary Gapiński
2018-12-17 12:51 ` Amelie DELAUNAY
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