[PATCH v6 03/12] dt-bindings: i2c: add bindings for microchip mpfs i2c
STALE1693d
REVIEWED: 7 (6M)
From: <conor.dooley@microchip.com>
Date: 2022-02-07 16:31:03
Also in:
linux-gpio, linux-i2c, linux-pwm, linux-riscv, linux-rtc, lkml
Subsystem:
i2c subsystem host drivers, open firmware and flattened device tree bindings, risc-v microchip support, the rest · Maintainers:
Andi Shyti, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Conor Dooley, Daire McNamara, Linus Torvalds
Revision v6 of 7 in this series; 2 review trailers (1 from subsystem maintainers).
Revisions (7)
From: Conor Dooley <conor.dooley@microchip.com> Add device tree bindings for the i2c controller on the Microchip PolarFire SoC. Signed-off-by: Daire McNamara <daire.mcnamara@microchip.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Conor Dooley <conor.dooley@microchip.com> Acked-by: Palmer Dabbelt <redacted> --- .../bindings/i2c/microchip,corei2c.yaml | 56 +++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml
diff --git a/Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml b/Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml
new file mode 100644
index 000000000000..c8e605fbb8a6
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml@@ -0,0 +1,56 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/microchip,corei2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip MPFS I2C Controller Device Tree Bindings + +maintainers: + - Daire McNamara <daire.mcnamara@microchip.com> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + oneOf: + - items: + - const: microchip,mpfs-i2c # Microchip PolarFire SoC compatible SoCs + - const: microchip,corei2c-rtl-v7 # Microchip Fabric based i2c IP core + - const: microchip,corei2c-rtl-v7 # Microchip Fabric based i2c IP core + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-frequency: + description: | + Desired I2C bus clock frequency in Hz. As only Standard and Fast + modes are supported, possible values are 100000 and 400000. + enum: [100000, 400000] + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + i2c@2010a000 { + compatible = "microchip,mpfs-i2c", "microchip,corei2c-rtl-v7"; + reg = <0x2010a000 0x1000>; + clocks = <&clkcfg 15>; + interrupt-parent = <&plic>; + interrupts = <58>; + clock-frequency = <100000>; + }; +...
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2.35.1