From mboxrd@z Thu Jan 1 00:00:00 1970 From: thesven73@gmail.com Subject: [PATCH anybus v3 5/6] dt-bindings: anybuss-host: document devicetree binding Date: Sun, 4 Nov 2018 10:55:00 -0500 Message-ID: <20181104155501.14767-6-TheSven73@googlemail.com> References: <20181104155501.14767-1-TheSven73@googlemail.com> Return-path: In-Reply-To: <20181104155501.14767-1-TheSven73@googlemail.com> Sender: linux-kernel-owner@vger.kernel.org To: svendev@arcx.com, robh+dt@kernel.org, linus.walleij@linaro.org Cc: lee.jones@linaro.org, mark.rutland@arm.com, afaerber@suse.de, treding@nvidia.com, david@lechnology.com, noralf@tronnes.org, johan@kernel.org, monstr@monstr.eu, michal.vokac@ysoft.com, arnd@arndb.de, gregkh@linuxfoundation.org, john.garry@huawei.com, geert+renesas@glider.be, robin.murphy@arm.com, paul.gortmaker@windriver.com, sebastien.bourdelin@savoirfairelinux.com, icenowy@aosc.io, stuyoder@gmail.com, maxime.ripard@bootlin.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org From: Sven Van Asbroeck This patch adds devicetree binding documentation for the Arcx Anybus-S host. Signed-off-by: Sven Van Asbroeck --- .../bindings/bus/arcx,anybuss-host.txt | 36 +++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/bus/arcx,anybuss-host.txt diff --git a/Documentation/devicetree/bindings/bus/arcx,anybuss-host.txt b/Documentation/devicetree/bindings/bus/arcx,anybuss-host.txt new file mode 100644 index 000000000000..5c28e4e09bb2 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/arcx,anybuss-host.txt @@ -0,0 +1,36 @@ +* Arcx Anybus-S host + +This host communicates with the SoC over a parallel bus. It is +expected that its Device Tree node is specified as the child of a node +corresponding to the parallel bus used for communication. + +Required properties: + + - compatible : The following string: + "arcx,anybuss-host" + + - reg : bus memory area where the Anybus-S host dpram is located. + + - interrupts : interrupt connected to the Anybus-S host interrupt line. + Generic interrupt client node bindings are described in + interrupt-controller/interrupts.txt + + - resets : the reset line associated with the Anybus-S host. + +Example of usage: + +This example places the Anybus-S host on top of the i.MX WEIM parallel bus, see: +Documentation/devicetree/bindings/bus/imx-weim.txt + +&weim { + anybus-host@0 { + compatible = "arcx,anybuss-host"; + reg = <0 0x400000 0x800>; + interrupt-parent = <&gpio1>; + interrupts = <1 IRQ_TYPE_LEVEL_LOW>; + resets = <&anybus_bridge 0>; + /* fsl,weim-cs-timing is a i.MX WEIM bus specific property */ + fsl,weim-cs-timing = <0x024400b1 0x00001010 0x20081100 + 0x00000000 0xa0000240 0x00000000>; + }; +}; -- 2.17.1