From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- .../devicetree/bindings/spi/spi-ath79.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-ath79.txt (limited to 'Documentation/devicetree/bindings/spi/spi-ath79.txt') diff --git a/Documentation/devicetree/bindings/spi/spi-ath79.txt b/Documentation/devicetree/bindings/spi/spi-ath79.txt new file mode 100644 index 000000000..9c696fa66 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-ath79.txt @@ -0,0 +1,24 @@ +Binding for Qualcomm Atheros AR7xxx/AR9xxx SPI controller + +Required properties: +- compatible: has to be "qca,-spi", "qca,ar7100-spi" as fallback. +- reg: Base address and size of the controllers memory area +- clocks: phandle of the AHB clock. +- clock-names: has to be "ahb". +- #address-cells: <1>, as required by generic SPI binding. +- #size-cells: <0>, also as required by generic SPI binding. + +Child nodes as per the generic SPI binding. + +Example: + + spi@1f000000 { + compatible = "qca,ar9132-spi", "qca,ar7100-spi"; + reg = <0x1f000000 0x10>; + + clocks = <&pll 2>; + clock-names = "ahb"; + + #address-cells = <1>; + #size-cells = <0>; + }; -- cgit v1.2.3