On Tue, Dec 01, 2020 at 01:12:43PM -0800, Sowjanya Komatineni wrote:
> This patch adds YAML based device tree binding document for Tegra
> QSPI driver.
>
> Signed-off-by: Sowjanya Komatineni <skomatin...@nvidia.com>
> ---
> .../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.red...@gmail.com>
> + - Jonathan Hunter <jonath...@nvidia.com>
> +
> +properties:
> + compatible:
> + enum:
> + - nvidia,tegra210-qspi
> + - nvidia,tegra186-qspi
> + - nvidia,tegra194-qspi
> +
> + reg:
> + items:
> + - description: QSPI registers
Just 'maxItems: 1'
> +
> + interrupts:
> + maxItems: 1
> +
> + clock-names:
> + items:
> + - const: qspi
Kind of a pointless name.
> +
> + clocks:
> + maxItems: 1
> +
> + reset-names:
> + minItems: 1
> + items:
> + - const: qspi
Same here.
> +
> + 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
>
