[PATCH v2 10/17] dt-bindings: spi: add bindings for microchip mpfs spi
From: <conor.dooley@microchip.com>
Date: 2021-12-17 09:33:26
Also in:
linux-crypto, linux-gpio, linux-i2c, linux-pwm, linux-riscv, linux-rtc, linux-spi, linux-usb, lkml
Subsystem:
open firmware and flattened device tree bindings, risc-v microchip support, spi subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Daire McNamara, Mark Brown, Linus Torvalds
From: Conor Dooley <conor.dooley@microchip.com>
Add device tree bindings for the {q,}spi controller on
the Microchip PolarFire SoC.
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
---
.../bindings/spi/microchip,mpfs-spi.yaml | 61 +++++++++++++++++++
1 file changed, 61 insertions(+)
create mode 100644 Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml
diff --git a/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml b/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml
new file mode 100644
index 000000000000..fe257b3384a9
--- /dev/null
+++ b/Documentation/devicetree/bindings/spi/microchip,mpfs-spi.yaml@@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/microchip,mpfs-spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip MPFS {Q,}SPI Controller Device Tree Bindings + +maintainers: + - Conor Dooley <conor.dooley@microchip.com> + +allOf: + - $ref: spi-controller.yaml# + +properties: + compatible: + enum: + - microchip,mpfs-spi + - microchip,mpfs-qspi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clock-names: + maxItems: 1 + + clocks: + maxItems: 1 + + num-cs: + description: | + Number of chip selects used. + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 1 + maximum: 8 + default: 8 + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + #include "dt-bindings/clock/microchip,mpfs-clock.h" + spi0: spi@20108000 { + compatible = "microchip,mpfs-spi"; + reg = <0x20108000 0x1000>; + clocks = <&clkcfg CLK_SPI0>; + interrupt-parent = <&plic>; + interrupts = <54>; + spi-max-frequency = <25000000>; + num-cs = <8>; + }; +...
--
2.33.1