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Date: Wed, 29 Mar 2017 12:43:29 -0500 From: Christopher Bostic <cbostic@...ux.vnet.ibm.com> To: robh+dt@...nel.org, mark.rutland@....com, linux@...linux.org.uk, rostedt@...dmis.org, mingo@...hat.com, gregkh@...uxfoundation.org, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Cc: Chris Bostic <cbostic@...ux.vnet.ibm.com>, joel@....id.au, linux-kernel@...r.kernel.org, andrew@...id.au, alistair@...ple.id.au, benh@...nel.crashing.org Subject: [PATCH v4 12/23] drivers/fsi: Add documentation for GPIO bindings From: Chris Bostic <cbostic@...ux.vnet.ibm.com> Add fsi master gpio device tree binding documentation Signed-off-by: Chris Bostic <cbostic@...ux.vnet.ibm.com> Signed-off-by: Joel Stanley <joel@....id.au> --- .../devicetree/bindings/fsi/fsi-master-gpio.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt diff --git a/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt b/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt new file mode 100644 index 0000000..a767259 --- /dev/null +++ b/Documentation/devicetree/bindings/fsi/fsi-master-gpio.txt @@ -0,0 +1,24 @@ +Device-tree bindings for gpio-based FSI master driver +----------------------------------------------------- + +Required properties: + - compatible = "fsi-master-gpio"; + - clock-gpios = <gpio-descriptor>; : GPIO for FSI clock + - data-gpios = <gpio-descriptor>; : GPIO for FSI data signal + +Optional properties: + - enable-gpios = <gpio-descriptor>; : GPIO for enable signal + - trans-gpios = <gpio-descriptor>; : GPIO for voltage translator enable + - mux-gpios = <gpio-descriptor>; : GPIO for pin multiplexing with other + functions (eg, external FSI masters) + +Examples: + + fsi-master { + compatible = "fsi-master-gpio", "fsi-master"; + clock-gpios = <&gpio 0>; + data-gpios = <&gpio 1>; + enable-gpios = <&gpio 2>; + trans-gpios = <&gpio 3>; + mux-gpios = <&gpio 4>; + } -- 1.8.2.2
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