summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml')
-rw-r--r--Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml98
1 files changed, 98 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml b/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml
new file mode 100644
index 000000000..6b733e5c1
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spi/nvidia,tegra210-quad.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Tegra Quad SPI Controller
+
+maintainers:
+ - Thierry Reding <thierry.reding@gmail.com>
+ - Jonathan Hunter <jonathanh@nvidia.com>
+
+allOf:
+ - $ref: "spi-controller.yaml#"
+
+properties:
+ compatible:
+ enum:
+ - nvidia,tegra210-qspi
+ - nvidia,tegra186-qspi
+ - nvidia,tegra194-qspi
+ - nvidia,tegra234-qspi
+ - nvidia,tegra241-qspi
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: qspi
+ - const: qspi_out
+
+ clocks:
+ maxItems: 2
+
+ resets:
+ maxItems: 1
+
+ dmas:
+ maxItems: 2
+
+ dma-names:
+ items:
+ - const: rx
+ - const: tx
+
+patternProperties:
+ "@[0-9a-f]+":
+ type: object
+
+ properties:
+ spi-rx-bus-width:
+ enum: [1, 2, 4]
+
+ spi-tx-bus-width:
+ enum: [1, 2, 4]
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clock-names
+ - clocks
+ - resets
+
+unevaluatedProperties: false
+
+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>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&tegra_car TEGRA210_CLK_QSPI>,
+ <&tegra_car TEGRA210_CLK_QSPI_PM>;
+ clock-names = "qspi", "qspi_out";
+ resets = <&tegra_car 211>;
+ dmas = <&apbdma 5>, <&apbdma 5>;
+ dma-names = "rx", "tx";
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <104000000>;
+ spi-tx-bus-width = <2>;
+ spi-rx-bus-width = <2>;
+ nvidia,tx-clk-tap-delay = <0>;
+ nvidia,rx-clk-tap-delay = <0>;
+ };
+ };