This patch adds YAML based device tree binding document for Tegra QSPI driver. Signed-off-by: Sowjanya Komatineni <skomatineni@xxxxxxxxxx> --- .../devicetree/bindings/spi/nvidia,tegra-qspi.yaml | 77 ++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 Documentation/devicetree/bindings/spi/nvidia,tegra-qspi.yaml diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra-qspi.yaml b/Documentation/devicetree/bindings/spi/nvidia,tegra-qspi.yaml new file mode 100644 index 0000000..038a085 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/nvidia,tegra-qspi.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/nvidia,tegra-qspi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Tegra Quad SPI Controller + +maintainers: + - Thierry Reding <thierry.reding@xxxxxxxxx> + - Jonathan Hunter <jonathanh@xxxxxxxxxx> + +properties: + compatible: + enum: + - nvidia,tegra210-qspi + - nvidia,tegra186-qspi + - nvidia,tegra194-qspi + + reg: + items: + - description: QSPI registers + + interrupts: + maxItems: 1 + + clock-names: + items: + - const: qspi + + clocks: + maxItems: 1 + + reset-names: + minItems: 1 + items: + - const: qspi + + resets: + maxItems: 1 + + dmas: + maxItems: 2 + + dma-names: + items: + - const: rx + - const: tx + +required: + - compatible + - reg + - interrupts + - clock-names + - clocks + - reset-names + - resets + +additionalProperties: true + +examples: + - | + #include <dt-bindings/clock/tegra210-car.h> + #include <dt-bindings/reset/tegra210-car.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + spi@70410000 { + compatible = "nvidia,tegra210-qspi"; + reg = <0x70410000 0x1000>; + interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&tegra_car TEGRA210_CLK_QSPI>; + clock-names = "qspi"; + resets = <&tegra_car 211>; + reset-names = "qspi"; + dmas = <&apbdma 5>, <&apbdma 5>; + dma-names = "rx", "tx"; + }; -- 2.7.4
