[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20220114151727.2319915-5-conor.dooley@microchip.com>
Date: Fri, 14 Jan 2022 15:17:16 +0000
From: <conor.dooley@...rochip.com>
To: <linus.walleij@...aro.org>, <bgolaszewski@...libre.com>,
<robh+dt@...nel.org>, <jassisinghbrar@...il.com>,
<paul.walmsley@...ive.com>, <palmer@...belt.com>,
<aou@...s.berkeley.edu>, <a.zummo@...ertech.it>,
<alexandre.belloni@...tlin.com>, <broonie@...nel.org>,
<gregkh@...uxfoundation.org>, <thierry.reding@...il.com>,
<u.kleine-koenig@...gutronix.de>, <lee.jones@...aro.org>,
<linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
<linux-pwm@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
<linux-crypto@...r.kernel.org>, <linux-rtc@...r.kernel.org>,
<linux-spi@...r.kernel.org>, <linux-usb@...r.kernel.org>
CC: <krzysztof.kozlowski@...onical.com>, <geert@...ux-m68k.org>,
<bin.meng@...driver.com>, <heiko@...ech.de>,
<lewis.hanly@...rochip.com>, <conor.dooley@...rochip.com>,
<daire.mcnamara@...rochip.com>, <ivan.griffin@...rochip.com>,
<atishp@...osinc.com>
Subject: [PATCH v3 04/15] dt-bindings: i2c: add bindings for microchip mpfs i2c
From: Conor Dooley <conor.dooley@...rochip.com>
Add device tree bindings for the i2c controller on
the Microchip PolarFire SoC.
Signed-off-by: Daire McNamara <daire.mcnamara@...rochip.com>
Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
---
.../bindings/i2c/microchip,mpfs-i2c.yaml | 55 +++++++++++++++++++
1 file changed, 55 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..ced843e78844
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/microchip,mpfs-i2c.yaml
@@ -0,0 +1,55 @@
+# 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@...rochip.com>
+
+allOf:
+ - $ref: /schemas/i2c/i2c-controller.yaml#
+
+properties:
+ compatible:
+ enum:
+ - microchip,mpfs-i2c # Microchip PolarFire SoC compatible SoCs
+ - 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:
+ - |
+ #include <dt-bindings/clock/microchip,mpfs-clock.h>
+ i2c@...0a000 {
+ compatible = "microchip,mpfs-i2c";
+ reg = <0x2010a000 0x1000>;
+ clocks = <&clkcfg CLK_I2C0>;
+ interrupt-parent = <&plic>;
+ interrupts = <58>;
+ clock-frequency = <100000>;
+ };
+...
--
2.32.0
Powered by blists - more mailing lists