From: <daire.mcnamara@microchip.com>
To: <wsa@kernel.org>, <linux-i2c@vger.kernel.org>,
<robh+dt@kernel.org>, <devicetree@vger.kernel.org>
Cc: <palmer@dabbelt.com>, <cyril.jean@microchip.com>,
<padmarao.begari@microchip.com>, <lewis.hanly@microchip.com>,
<conor.dooley@microchip.com>, <david.abdurachmanov@gmail.com>,
Daire McNamara <daire.mcnamara@microchip.com>
Subject: [PATCH v1 1/2] dt-bindings: i2c: microchip: Add Microchip PolarFire host binding
Date: Wed, 12 May 2021 12:20:23 +0100 [thread overview]
Message-ID: <20210512112024.1651757-2-daire.mcnamara@microchip.com> (raw)
In-Reply-To: <20210512112024.1651757-1-daire.mcnamara@microchip.com>
From: Daire McNamara <daire.mcnamara@microchip.com>
Add device tree bindings for the Microchip PolarFire I2C controller
Signed-off-by: Daire McNamara <daire.mcnamara@microchip.com>
---
.../bindings/i2c/microchip,mpfs-i2c.yaml | 74 +++++++++++++++++++
1 file changed, 74 insertions(+)
create mode 100644 Documentation/devicetree/bindings/i2c/microchip,mpfs-i2c.yaml
diff --git a/Documentation/devicetree/bindings/i2c/microchip,mpfs-i2c.yaml b/Documentation/devicetree/bindings/i2c/microchip,mpfs-i2c.yaml
new file mode 100644
index 000000000000..bc4ea4498d35
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/microchip,mpfs-i2c.yaml
@@ -0,0 +1,74 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i2c/microchip,mpfs-i2c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip MPFS I2C Controller Device Tree Bindings
+
+maintainers:
+ - Daire McNamara <daire.mcnamara@microchip.com>
+
+description: |
+ This I2C controller is found on the Microchip PolarFire SoC.
+
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+
+properties:
+ compatible:
+ enum:
+ - microchip,mpfs-i2c # Microchip PolarFire SoC compatible SoCs
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ description: Phandle of the clock feeding the I2C controller.
+ minItems: 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:
+ - |
+ #include <dt-bindings/clock/microchip,mpfs-clock.h>
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ i2c@2010a000 {
+ compatible = "microchip,mpfs-i2c";
+ reg = <0 0x2010a000 0 0x1000>;
+ interrupts = <58>;
+ clock-frequency = <100000>;
+ clocks = <&clkcfg CLK_I2C0>;
+ };
+ };
+ - |
+ #include <dt-bindings/clock/microchip,mpfs-clock.h>
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ i2c@2010b000 {
+ compatible = "microchip,mpfs-i2c";
+ reg = <0 0x2010b000 0 0x1000>;
+ interrupts = <61>;
+ clock-frequency = <100000>;
+ clocks = <&clkcfg CLK_I2C1>;
+ };
+ };
+...
--
2.25.1
next prev parent reply other threads:[~2021-05-12 11:20 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-12 11:20 [PATCH v1 0/2] i2c: microchip: Add driver for PolarFire SoC daire.mcnamara
2021-05-12 11:20 ` daire.mcnamara [this message]
2021-05-12 18:35 ` [PATCH v1 1/2] dt-bindings: i2c: microchip: Add Microchip PolarFire host binding Rob Herring
2021-06-25 14:37 ` Wolfram Sang
2021-05-12 11:20 ` [PATCH v1 2/2] i2c: microchip: Add driver for Microchip PolarFire SoC daire.mcnamara
2021-06-25 14:36 ` Wolfram Sang
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