lkml.org 
[lkml]   [2020]   [Dec]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v1 2/7] dt-bindings: spi: Add Tegra QSPI device tree binding
Date
This patch adds YAML based device tree binding document for Tegra
QSPI driver.

Signed-off-by: Sowjanya Komatineni <skomatineni@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.reding@gmail.com>
+ - Jonathan Hunter <jonathanh@nvidia.com>
+
+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
\
 
 \ /
  Last update: 2020-12-01 22:15    [W:0.253 / U:2.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site