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[1/2] dt: bindings: fpga: add lattice machxo2 slave spi binding description

Message ID 1521215669-23874-2-git-send-email-p.pisati@gmail.com (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Paolo Pisati March 16, 2018, 3:54 p.m. UTC
Add dt binding documentation details for Lattice MachXO2 FPGA configuration
over Slave SPI interface.

Signed-off-by: Paolo Pisati <p.pisati@gmail.com>
Acked-by: Rob Herring <robh@kernel.org>
---
 .../bindings/fpga/lattice-machxo2-spi.txt          | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt

Comments

Moritz Fischer March 16, 2018, 4:31 p.m. UTC | #1
On Fri, Mar 16, 2018 at 04:54:28PM +0100, Paolo Pisati wrote:
> Add dt binding documentation details for Lattice MachXO2 FPGA configuration
> over Slave SPI interface.
> 
> Signed-off-by: Paolo Pisati <p.pisati@gmail.com>
> Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Moritz Fischer <mdf@kernel.org>
> ---
>  .../bindings/fpga/lattice-machxo2-spi.txt          | 29 ++++++++++++++++++++++
>  1 file changed, 29 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt
> 
> diff --git a/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt b/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt
> new file mode 100644
> index 0000000..a8c362e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt
> @@ -0,0 +1,29 @@
> +Lattice MachXO2 Slave SPI FPGA Manager
> +
> +Lattice MachXO2 FPGAs support a method of loading the bitstream over
> +'slave SPI' interface.
Nit: a 'slave SPI'
> +
> +See 'MachXO2ProgrammingandConfigurationUsageGuide.pdf' on www.latticesemi.com
> +
> +Required properties:
> +- compatible: should contain "lattice,machxo2-slave-spi"
> +- reg: spi chip select of the FPGA
> +
> +Example for full FPGA configuration:
> +
> +	fpga-region0 {
> +		compatible = "fpga-region";
> +		fpga-mgr = <&fpga_mgr_spi>;
> +		#address-cells = <0x1>;
> +		#size-cells = <0x1>;
> +	};
> +
> +	spi1: spi@2000 {
> +        ...
> +
> +		fpga_mgr_spi: fpga-mgr@0 {
> +			compatible = "lattice,machxo2-slave-spi";
> +			spi-max-frequency = <8000000>;
> +			reg = <0>;
> +		};
> +	};
> -- 
> 2.7.4
> 

Thanks,

Moritz
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Alan Tull March 19, 2018, 3:42 p.m. UTC | #2
On Fri, Mar 16, 2018 at 11:31 AM, Moritz Fischer <mdf@kernel.org> wrote:
> On Fri, Mar 16, 2018 at 04:54:28PM +0100, Paolo Pisati wrote:
>> Add dt binding documentation details for Lattice MachXO2 FPGA configuration
>> over Slave SPI interface.
>>
>> Signed-off-by: Paolo Pisati <p.pisati@gmail.com>
>> Acked-by: Rob Herring <robh@kernel.org>
> Acked-by: Moritz Fischer <mdf@kernel.org>
Acked-by: Alan Tull <atull@kernel.org>

Thanks,
Alan

>> ---
>>  .../bindings/fpga/lattice-machxo2-spi.txt          | 29 ++++++++++++++++++++++
>>  1 file changed, 29 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt
>>
>> diff --git a/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt b/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt
>> new file mode 100644
>> index 0000000..a8c362e
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt
>> @@ -0,0 +1,29 @@
>> +Lattice MachXO2 Slave SPI FPGA Manager
>> +
>> +Lattice MachXO2 FPGAs support a method of loading the bitstream over
>> +'slave SPI' interface.
> Nit: a 'slave SPI'
>> +
>> +See 'MachXO2ProgrammingandConfigurationUsageGuide.pdf' on www.latticesemi.com
>> +
>> +Required properties:
>> +- compatible: should contain "lattice,machxo2-slave-spi"
>> +- reg: spi chip select of the FPGA
>> +
>> +Example for full FPGA configuration:
>> +
>> +     fpga-region0 {
>> +             compatible = "fpga-region";
>> +             fpga-mgr = <&fpga_mgr_spi>;
>> +             #address-cells = <0x1>;
>> +             #size-cells = <0x1>;
>> +     };
>> +
>> +     spi1: spi@2000 {
>> +        ...
>> +
>> +             fpga_mgr_spi: fpga-mgr@0 {
>> +                     compatible = "lattice,machxo2-slave-spi";
>> +                     spi-max-frequency = <8000000>;
>> +                     reg = <0>;
>> +             };
>> +     };
>> --
>> 2.7.4
>>
>
> Thanks,
>
> Moritz
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diff mbox

Patch

diff --git a/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt b/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt
new file mode 100644
index 0000000..a8c362e
--- /dev/null
+++ b/Documentation/devicetree/bindings/fpga/lattice-machxo2-spi.txt
@@ -0,0 +1,29 @@ 
+Lattice MachXO2 Slave SPI FPGA Manager
+
+Lattice MachXO2 FPGAs support a method of loading the bitstream over
+'slave SPI' interface.
+
+See 'MachXO2ProgrammingandConfigurationUsageGuide.pdf' on www.latticesemi.com
+
+Required properties:
+- compatible: should contain "lattice,machxo2-slave-spi"
+- reg: spi chip select of the FPGA
+
+Example for full FPGA configuration:
+
+	fpga-region0 {
+		compatible = "fpga-region";
+		fpga-mgr = <&fpga_mgr_spi>;
+		#address-cells = <0x1>;
+		#size-cells = <0x1>;
+	};
+
+	spi1: spi@2000 {
+        ...
+
+		fpga_mgr_spi: fpga-mgr@0 {
+			compatible = "lattice,machxo2-slave-spi";
+			spi-max-frequency = <8000000>;
+			reg = <0>;
+		};
+	};