From mboxrd@z Thu Jan 1 00:00:00 1970 From: Heiko Schocher Subject: [PATCH 1/2] misc: add cc1101 devicetree binding Date: Sun, 22 Sep 2019 08:03:55 +0200 Message-ID: <20190922060356.58763-2-hs@denx.de> References: <20190922060356.58763-1-hs@denx.de> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: In-Reply-To: <20190922060356.58763-1-hs@denx.de> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: Heiko Schocher , Mark Rutland , Rob Herring , devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org add devicetree binding for cc1101 misc driver. Signed-off-by: Heiko Schocher --- .../devicetree/bindings/misc/cc1101.txt | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/cc1101.txt diff --git a/Documentation/devicetree/bindings/misc/cc1101.txt b/Documentation/devicetree/bindings/misc/cc1101.txt new file mode 100644 index 0000000000000..afea6acf4a9c5 --- /dev/null +++ b/Documentation/devicetree/bindings/misc/cc1101.txt @@ -0,0 +1,27 @@ +driver cc1101 Low-Power Sub-1 GHz RF Transceiver chip from Texas +Instruments. + +Requires node properties: +- compatible : should be "ti,cc1101"; +- reg : Chip select address of device, see: + Documentation/devicetree/bindings/spi/spi-bus.txt +- gpios : list of 2 gpios, first gpio is for GDO0 pin + second for GDO2 pin, see more: + Documentation/devicetree/bindings/gpio/gpio.txt + +Recommended properties: + - spi-max-frequency: Definition as per + Documentation/devicetree/bindings/spi/spi-bus.txt + - freq : used spi frequency for communication with cc1101 chip + +example: + +&ecspi4 { + cc1101@0 { + compatible = "ti,cc1101"; + spi-max-frequency = <10000000>; + reg = <0>; + freq = <5000000>; + gpios = <&gpio2 11 GPIO_ACTIVE_HIGH &gpio5 8 GPIO_ACTIVE_HIGH>; + }; +}; -- 2.21.0