diff mbox series

[v6,03/12] dt-bindings: i2c: add bindings for microchip mpfs i2c

Message ID 20220207162637.1658677-4-conor.dooley@microchip.com
State Accepted
Commit f1bd6661946b20d1ea07de84a3c9a550e0367476
Headers show
Series Update the Icicle Kit device tree | expand

Commit Message

Conor Dooley Feb. 7, 2022, 4:26 p.m. UTC
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 <palmer@rivosinc.com>
---
 .../bindings/i2c/microchip,corei2c.yaml       | 56 +++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml

Comments

Wolfram Sang Feb. 8, 2022, 12:18 p.m. UTC | #1
On Mon, Feb 07, 2022 at 04:26:29PM +0000, conor.dooley@microchip.com wrote:
> 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 <palmer@rivosinc.com>

Shall this go via DT (Rob) or I2C (me) or some riscv tree?
Conor Dooley Feb. 8, 2022, 12:32 p.m. UTC | #2
On 08/02/2022 12:18, Wolfram Sang wrote:
> On Mon, Feb 07, 2022 at 04:26:29PM +0000, conor.dooley@microchip.com wrote:
>> 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 <palmer@rivosinc.com>
> 
> Shall this go via DT (Rob) or I2C (me) or some riscv tree?
If you could take it, that'd be great. Rob had said via subsystems was 
his preference for the bindings in this series.

Thanks,
Conor.
Wolfram Sang Feb. 11, 2022, 5:53 p.m. UTC | #3
On Mon, Feb 07, 2022 at 04:26:29PM +0000, conor.dooley@microchip.com wrote:
> 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 <palmer@rivosinc.com>

Applied to for-next, thanks!
diff mbox series

Patch

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>;
+    };
+...