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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi, Kavya, On 2/10/22 09:45, Kavyasree Kotagiri wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > This adds LAN966 SoC DT bindings documentation for Flexcom > Shared and chip-select configurations. > > Signed-off-by: Kavyasree Kotagiri > --- > .../devicetree/bindings/mfd/atmel-flexcom.txt | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > Would you please convert the bindings file to yaml before adding new properties? You can find some guidelines at: https://www.kernel.org/doc/html/latest/devicetree/bindings/writing-schema.html Cheers, ta > diff --git a/Documentation/devicetree/bindings/mfd/atmel-flexcom.txt b/Documentation/devicetree/bindings/mfd/atmel-flexcom.txt > index 692300117c64..a76622082228 100644 > --- a/Documentation/devicetree/bindings/mfd/atmel-flexcom.txt > +++ b/Documentation/devicetree/bindings/mfd/atmel-flexcom.txt > @@ -18,6 +18,15 @@ Required properties: > - <2> for SPI > - <3> for I2C > > +Optional properties: > +- Flexcom shared configurations: Each flexcom of lan966 SoC has 2 chip selects. > + For each chip select, there is a pin configuration register. > + The width of the configuration register is 21 because there are 21 shared > + pins on each of which the chip select can be mapped. Each bit of the > + configuration register represents a different FLEXCOM_SHARED pin. > + - lan966x-ss-pin: Should be a flexcom shared pin. > + - lan966x-cs: Should be chip select 0 or 1. > + > Required child: > A single available child device of type matching the "atmel,flexcom-mode" > property. > @@ -41,6 +50,9 @@ flexcom@f8034000 { > #size-cells = <1>; > ranges = <0x0 0xf8034000 0x800>; > atmel,flexcom-mode = <2>; > + /* Map chip-select index 0 of the flexcom to FLEXCOM_SHARED 9 */ > + lan966x-ss-pin = <9>; > + lan966x-cs = <0>; > > spi@400 { > compatible = "atmel,at91rm9200-spi"; > -- > 2.17.1 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel