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Date: Tue, 9 Dec 2014 20:21:31 +0000 From: Lee Jones <lee.jones@...aro.org> To: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Cc: lee.jones@...aro.org, kernel@...inux.com, broonie@...nel.org, linux-spi@...r.kernel.org, devicetree@...r.kernel.org Subject: [PATCH v4 2/2] spi: st: Provide Device Tree binding documentation This patch adds DT documentation for the SPI portion of ST's SSC device. Signed-off-by: Lee Jones <lee.jones@...aro.org> --- Documentation/devicetree/bindings/spi/spi-st.txt | 40 ++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/spi-st.txt diff --git a/Documentation/devicetree/bindings/spi/spi-st.txt b/Documentation/devicetree/bindings/spi/spi-st.txt new file mode 100644 index 0000000..fe54959 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-st.txt @@ -0,0 +1,40 @@ +STMicroelectronics SSC (SPI) Controller +--------------------------------------- + +Required properties: +- compatible : "st,comms-ssc4-spi" +- reg : Offset and length of the device's register set +- interrupts : The interrupt specifier +- clock-names : Must contain "ssc" +- clocks : Must contain an entry for each name in clock-names + See ../clk/* +- pinctrl-names : Uses "default", can use "sleep" if provided + See ../pinctrl/pinctrl-binding.txt + +Optional properties: +- cs-gpios : List of GPIO chip selects + See ../spi/spi-bus.txt + +Child nodes represent devices on the SPI bus + See ../spi/spi-bus.txt + +Example: + spi@...0000 { + compatible = "st,comms-ssc4-spi"; + reg = <0x9840000 0x110>; + interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk_s_c0_flexgen CLK_EXT2F_A9>; + clock-names = "ssc"; + pinctrl-0 = <&pinctrl_spi0_default>; + pinctrl-names = "default"; + cs-gpios = <&pio17 5 0>; + #address-cells = <1>; + #size-cells = <0>; + + st95hf@0{ + compatible = "st,st95hf"; + reg = <0>; + spi-max-frequency = <1000000>; + interrupts = <2 IRQ_TYPE_EDGE_FALLING>; + }; + }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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