From: Stefan Wahren Date: Mon, 29 May 2017 11:57:22 +0000 (+0200) Subject: dt-bindings: qca7000: rename binding X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=4aab28ca446f39ded6fb60c2344d349fd1771d5e;p=openwrt%2Fstaging%2Fblogic.git dt-bindings: qca7000: rename binding Before we can merge the QCA7000 UART binding the document needs to be renamed. Signed-off-by: Stefan Wahren Signed-off-by: David S. Miller --- diff --git a/Documentation/devicetree/bindings/net/qca,qca7000.txt b/Documentation/devicetree/bindings/net/qca,qca7000.txt new file mode 100644 index 000000000000..a37f65678399 --- /dev/null +++ b/Documentation/devicetree/bindings/net/qca,qca7000.txt @@ -0,0 +1,56 @@ +* Qualcomm QCA7000 + +The QCA7000 is a serial-to-powerline bridge with a host interface which could +be configured either as SPI or UART slave. This configuration is done by +the QCA7000 firmware. + +(a) Ethernet over SPI + +In order to use the QCA7000 as SPI device it must be defined as a child of a +SPI master in the device tree. + +Required properties: +- compatible : Should be "qca,qca7000" +- reg : Should specify the SPI chip select +- interrupts : The first cell should specify the index of the source + interrupt and the second cell should specify the trigger + type as rising edge +- spi-cpha : Must be set +- spi-cpol : Must be set + +Optional properties: +- interrupt-parent : Specify the pHandle of the source interrupt +- spi-max-frequency : Maximum frequency of the SPI bus the chip can operate at. + Numbers smaller than 1000000 or greater than 16000000 + are invalid. Missing the property will set the SPI + frequency to 8000000 Hertz. +- local-mac-address : see ./ethernet.txt +- qca,legacy-mode : Set the SPI data transfer of the QCA7000 to legacy mode. + In this mode the SPI master must toggle the chip select + between each data word. In burst mode these gaps aren't + necessary, which is faster. This setting depends on how + the QCA7000 is setup via GPIO pin strapping. If the + property is missing the driver defaults to burst mode. + +SPI Example: + +/* Freescale i.MX28 SPI master*/ +ssp2: spi@80014000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx28-spi"; + pinctrl-names = "default"; + pinctrl-0 = <&spi2_pins_a>; + status = "okay"; + + qca7000: ethernet@0 { + compatible = "qca,qca7000"; + reg = <0x0>; + interrupt-parent = <&gpio3>; /* GPIO Bank 3 */ + interrupts = <25 0x1>; /* Index: 25, rising edge */ + spi-cpha; /* SPI mode: CPHA=1 */ + spi-cpol; /* SPI mode: CPOL=1 */ + spi-max-frequency = <8000000>; /* freq: 8 MHz */ + local-mac-address = [ A0 B0 C0 D0 E0 F0 ]; + }; +}; diff --git a/Documentation/devicetree/bindings/net/qca-qca7000-spi.txt b/Documentation/devicetree/bindings/net/qca-qca7000-spi.txt deleted file mode 100644 index a37f65678399..000000000000 --- a/Documentation/devicetree/bindings/net/qca-qca7000-spi.txt +++ /dev/null @@ -1,56 +0,0 @@ -* Qualcomm QCA7000 - -The QCA7000 is a serial-to-powerline bridge with a host interface which could -be configured either as SPI or UART slave. This configuration is done by -the QCA7000 firmware. - -(a) Ethernet over SPI - -In order to use the QCA7000 as SPI device it must be defined as a child of a -SPI master in the device tree. - -Required properties: -- compatible : Should be "qca,qca7000" -- reg : Should specify the SPI chip select -- interrupts : The first cell should specify the index of the source - interrupt and the second cell should specify the trigger - type as rising edge -- spi-cpha : Must be set -- spi-cpol : Must be set - -Optional properties: -- interrupt-parent : Specify the pHandle of the source interrupt -- spi-max-frequency : Maximum frequency of the SPI bus the chip can operate at. - Numbers smaller than 1000000 or greater than 16000000 - are invalid. Missing the property will set the SPI - frequency to 8000000 Hertz. -- local-mac-address : see ./ethernet.txt -- qca,legacy-mode : Set the SPI data transfer of the QCA7000 to legacy mode. - In this mode the SPI master must toggle the chip select - between each data word. In burst mode these gaps aren't - necessary, which is faster. This setting depends on how - the QCA7000 is setup via GPIO pin strapping. If the - property is missing the driver defaults to burst mode. - -SPI Example: - -/* Freescale i.MX28 SPI master*/ -ssp2: spi@80014000 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "fsl,imx28-spi"; - pinctrl-names = "default"; - pinctrl-0 = <&spi2_pins_a>; - status = "okay"; - - qca7000: ethernet@0 { - compatible = "qca,qca7000"; - reg = <0x0>; - interrupt-parent = <&gpio3>; /* GPIO Bank 3 */ - interrupts = <25 0x1>; /* Index: 25, rising edge */ - spi-cpha; /* SPI mode: CPHA=1 */ - spi-cpol; /* SPI mode: CPOL=1 */ - spi-max-frequency = <8000000>; /* freq: 8 MHz */ - local-mac-address = [ A0 B0 C0 D0 E0 F0 ]; - }; -};